CLASS 48, GAS: HEATING AND ILLUMINATING |
ACETYLENE |
This subclass has no definition. | |
1 | . Generation and liquefaction: |
Apparatus and processes for the combined generation and
liquefaction of acetylene gas.
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2 | . Generator and holder: |
Connected generators and gas-holders, the pressure in the
generator regulating the supply of water in a to-and-fro or ebb-and-flow
movement to the carbid.
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3R | . Generator and mixer: |
Apparatus and processes in which the acetylene gas is generated and combined with some aeriform or gaseous fluid. It includes those in which acetylene gas and another gas are simultaneously generated in the same or adjacent apparatus or gas is generated and passed over calcium carbid or mingled with acetylene gas. | |
3A | .. Special features |
This subclass has no definition. | |
This subclass has no definition. | |
4 | .. Water feed: |
Structures whereby water is fed to the carbid. The water is fed by gravity and controlled by the pressure of the gas in the generator or by the operation of the gas-holder. It also includes structures for feeding the water to the carbid by capillary attraction. This subclass includes generators in which water is fed by gravity to the top of the carbid and automatically regulated by the gas-pressure in the generator. A hand-valve is employed to turn on and off the water-feed. | |
5 | ... Holder operated: |
This subclass is indented under subclass 4. Generators in which the water-feed is regulated by the movement of the gas-holder. This subclass includes structures whereby the gas-holder operates a valve which feeds water to the top of the carbid in the generator. | |
6 | .... Series: |
This subclass is indented under subclass 5. Generators in series of two or more and in which the water-feed is controlled by the gas-holder. | |
7 | ..... Automatic switch: |
This subclass is indented under subclass 6. Generators in series of two or more in which the water-feed is controlled by the gas-holder and automatically directed from one generator to another. | |
8 | .... Cell series: |
This subclass is indented under subclass 5. Receptacles for carbid divided into communicating compartments
to which water, fed successively, is controlled by the holder.
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9 | .... Gasometer and high-pressure holder: |
This subclass is indented under subclass 5. Receivers to which the after-generation is conducted--that is, when the gasometer has been filled with gas. | |
10 | .... Interior valve: |
This subclass is indented under subclass 5. Structures feeding water from the gas-holder tank to the generator, the gas-holder operating a valve located within the tank. It also includes structures wherein a valved water-tank is located within or on the gas-holder bell. | |
11 | .... Rotary cylinder: |
This subclass is indented under subclass 5. Cylinders, slatted or otherwise, for carbid which are caused to rotate by the gas-holder and in which the water-feed is controlled by the action of the gas-holder. This subclass also includes cylinders rotated by gravity or hand in which the water-feed is operated by the gas-holder. | |
12 | .... Underfeed: |
This subclass is indented under subclass 5. Generators to which the water is supplied beneath the upper surface of the carbid and regulated by the movement of the gas-holder. | |
13 | .... Valveless: |
This subclass is indented under subclass 5. Apparatus in which no valve is employed to regulate the
feed of water to the generator. It includes means for displacing
water, a flexible tube, a siphon or tilting vessel operated by the gasholder.
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14 | ..... Displacer: |
This subclass is indented under subclass 13. Devices, such as a wedge, piston, bucket, float, etc., carried by the gas-holder for displacing water contained in a tank, causing it to overflow and pass to the generator. | |
15 | ..... Flexible tube: |
This subclass is indented under subclass 13. Flexible tubes for feeding water to the generator carried by the gas-holder connected to and elevated and depressed within or above and below the water-supply. | |
16 | ..... Generator supported: |
This subclass is indented under subclass 13. Generators directly connected to the interior of the gas-holder and caused to dip in and out of the water in the gasholder tank to feed water to the interior of the generator. | |
17 | ..... Siphon: |
This subclass is indented under subclass 13. Siphon-tubes carried by the gas-holder for making connections between the water-tank and the generator for feeding water. | |
18 | ..... Tilting: |
This subclass is indented under subclass 13. Trunnioned or pivoted vessels operated by the gas-holder so as to discharge water into a pipe leading to the generator. | |
19 | ... Ebb and flow: |
This subclass is indented under subclass 4. Generators containing carbid to which the water is admitted by an ebb-and-flow movement produced by the gas-pressure in the generator. | |
20 | .... Series: |
This subclass is indented under subclass 19. Two or more generators having means for supporting carbid to which a body of water is supplied from beneath in an ebb-and-flow movement produced by the pressure of the gas in the generator. | |
21 | .... Cell series: |
This subclass is indented under subclass 19. Receptacles for carbid divided into separate compartments or superposed and to which water fed successively from below in a body is controlled by the pressure of the gas in the generator. | |
22 | .... Concentric: |
This subclass is indented under subclass 19. Receptacles in the form of a bell and tank stationary one within the other, and means provided within the bell for supporting the carbid to which water is fed from beneath by a to-and-fro or ebb-and-flow motion controlled by the pressure of the gas in the bell. | |
23 | ... Series: |
This subclass is indented under subclass 4. Structures in which two or more generators are employed and which are used successively. | |
24 | ... Cell series: |
This subclass is indented under subclass 4. Receptacles for carbid divided into communicating compartments to which water is fed successively. The receptacles may be in series. In this subclass, the water is fed drop by drop to the top of each successive cell and controlled by the pressure of the gas in the generator. | |
25 | ... Capillary: |
This subclass is indented under subclass 4. Generators in which water is supplied to the carbid by capillary attraction. In this subclass, an absorbent is used to conduct the water. | |
26 | .... Adjustable: |
This subclass is indented under subclass 25. Structures whereby the absorbent, through which the water is fed by capillary attraction, may be adjusted to and from the carbid. | |
27 | ... Percolating: |
This subclass is indented under subclass 4. Generators wherein means and materials are employed, except
capillary feed, through which water seeps in its passage to the
carbid.
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28 | .... Pressure valves: |
This subclass is indented under subclass 27. Percolating water-feed generators having valves operated by the pressure of the gas in the generator to regulate the flow of water. | |
29 | ... Expansible carbide container: |
This subclass is indented under subclass 4. Cans or cases for carbid constructed of telescopic sections, each having a closed end, one of which sections may be spring-pressed or it may be an open-top can containing carbid in which is placed a follower which may be spring or weight-pressed. | |
30 | ... Expansible water holder: |
This subclass is indented under subclass 4. Vessels constructed of flexible elastic material for feeding water to the carbid, the pressure in the generator causing a to- and-fro movement. | |
31 | ... Inexpansible gas holder and water feed: |
This subclass is indented under subclass 4. Vessels divided by a partition-wall into two communicating compartments, one of the compartments connecting with the generator to supply water thereto and receive gas therefrom, the pressure of the gas in the generator and compartment regulating the water-feed to the generator and causing the water to flow to and from the second compartment. | |
32R | ... Oscillating: |
This subclass is indented under subclass 4. Trunnioned receptacles provided with a support for the carbid and means to oscillate the same, whereby water in the lower part of the receptacle may be intermittently brought in contact with the carbid. | |
32A | .... Floating generator or carbide container |
This subclass has no definition. | |
32B | .... With inversion to contact carbide |
This subclass has no definition. | |
33 | ... Rotary cylinder: |
This subclass is indented under subclass 4. Cylinders of or for containing carbid, caused to rotate
or oscillate, whereby the hydrate, due to decomposition of the carbid
and water, is removed by agitation. This subclass includes cylinders,
slatted or otherwise, rotated or oscillated by hand or gravity,
also cylinders composed of carbid, and cylindrical carriers for carbid-packages.
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34 | ... Rotary grate: |
This subclass is indented under subclass 4. Generators having a rotary grate for supporting the carbid and removing the hydrate. | |
35 | ... Underfeed: |
This subclass is indented under subclass 4. Generators to which the water is supplied within and beneath the upper surface of the carbid, drop by drop. | |
36 | ... Interlocking devices: |
This subclass is indented under subclass 4. Devices for preventing accidents in the handling of the
generator, including means for interlocking two or more valves or
means which extend over or secure the cover to the generator and
simultaneously operate either one or more of the following valves:
the gas-outlet valve, the water-inlet valve, or the sludge-valve;
or vent the generator.
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37 | ... Pressure valves: |
This subclass is indented under subclass 4. Means for operating the water-feed valve by gas-pressure
in the generator.
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38 | .. Carbide feed: |
Generators containing water into which the carbid is fed.
This subclass contains generators to which the carbid is fed not
otherwise classified under the various subclasses of "Carbid-feed".
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39 | ... Apron or belt: |
This subclass is indented under subclass 38. Generators in which an endless belt or an apron is employed
to feed the carbid to the water. It does not include aprons or belts
carrying buckets containing measured charges of carbid.
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40 | ... Cock: |
This subclass is indented under subclass 38. Generators containing water to which the feed or carbid is regulated by means of a cock. | |
41 | ... Dip: |
This subclass is indented under subclass 38. Generators in which the carbid is caused to dip in and out of the water. In this subclass the carbid may be suspended from or held in suitable means supported by the gas-holder or supported by a piston or supported by yielding means within the tank. | |
42 | .... Cell series: |
This subclass is indented under subclass 41. Dip carbid-feed generators wherein the carbid-receptacle is composed of a number of chambers or compartments which are successively brought in contact with the water. | |
43 | ... Flap valve: |
This subclass is indented under subclass 38. Carbid-feed generators having flap valves hinged at or near the mouth of the chute or hopper through which the carbid passes, automatically operated to feed the carbid. | |
44 | ... Hand: |
This subclass is indented under subclass 38. Generator-tanks to which the carbid is fed by hand. In this subclass, the carbid may be fed loosely or put in holders; does not include cartridges. | |
45 | .... Dip: |
This subclass is indented under subclass 44. Generators provided with suitable means for supporting carbid which is caused to dip in and out of the water, the carbid being fed through a hand-operated valve. | |
46 | ... Measured charges: |
This subclass is indented under subclass 38. Means for feeding definite charges of carbid. In this subclass will be found devices not otherwise classified under "Measured charges". This subclass includes those structures caused to reciprocate and discharge in the tank. | |
47 | .... Cartridges: |
This subclass is indented under subclass 46. Devices for feeding cartridges containing carbid.
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48 | .... Rotary carrier: |
This subclass is indented under subclass 46. Includes a series of receptacles arranged on the same horizontal
plane supported by means caused to rotate and discharge the receptacles successively.
The receptacles may be provided with hinged bottoms and means for
securing and releasing the same, or the receptacles may be trunnioned
and provided with means for dumping the same or an endless belt
provided with pockets.
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49 | ..... Vertical: |
This subclass is indented under subclass 48. Pocket-wheels arranged to rotate on a vertical plane and discharge successively. The pocket may be provided with lids and means for opening and closing the same. It also includes an endless belt having cups or carriers. | |
50 | .... Stationary: |
This subclass is indented under subclass 46. Receptacles for carbid which have a fixed relation with the generator. They may be hinged and caused to dump, or they may be receptacles provided with hinged or sliding bottoms with catches and releasing means or a receptacle divided by a series of hinged or sliding shelves with catches and releasing means. | |
51 | ... Piston: |
This subclass is indented under subclass 38. Generators where a piston is used to feed the carbid. | |
52 | ... Plate valve: |
This subclass is indented under subclass 38. Carbid feed generators having a plate arranged beneath the discharge-opening of the carbid-hopper with an intervening space, the carbid resting upon the plate. The plate may be in the form of a disk or curved. | |
53 | ... Pop valve: |
This subclass is indented under subclass 38. Carbid feed generators having valves caused to pass to and fro or through the discharge-opening of the carbid-hopper in a vertical plane. | |
53.1 | .... Bell operated: |
This subclass is indented under subclass 53. Carbid feed pop-valves operated by the rising and falling
movement of the bell.
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53.2 | ..... Bell and holder combined: |
This subclass is indented under subclass 53.1. Bell-operated carbid feed pop-valves in which the carbid holder is carried by the bell. | |
53.3 | .... Diaphragm operated: |
This subclass is indented under subclass 53. Carbid feed pop-valves operated by the movement of the diaphragm. | |
53.4 | .... Float operated: |
This subclass is indented under subclass 53. Carbid feed pop-valves operated by the movement of the float. | |
54 | ... Screw: |
This subclass is indented under subclass 38. Generators having a screw conveyer to feed the carbid thereto. | |
55 | ... Slide valve: |
This subclass is indented under subclass 38. Carbid feed generators in which the valve slides upon its seat distinguished from the structure in ... , in that there is no intervening space between the valve and the mouth of the hopper or seat. | |
58 | .. Valves, gas and water feed: |
Generators in which the valves controlling the water-feed
and the gas outlet are connected so as to open or close simultaneously.
It also includes the simultaneous venting of the generator.
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56 | .. Automatic safety escape: |
Structures used in connection with the generator whereby excess pressure in the generator permits gas to escape. | |
57 | .. Sludge remover: |
Means located in and attached to the generator for stirring
and removing the hydrate.
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59 | . Carbide cartridges: |
Structures such as cans or cases to be used in generators
and in which a small quantity of carbid is placed.
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60 | .. Conglomerate: |
This subclass is indented under subclass 59. Cartridges in which the carbid is combined with an agglutinating and protecting substance and formed into briquets, tablets, sticks, etc. | |
61 | GENERATORS: |
This subclass is indented under the class definition. Miscellaneous generators that are not otherwise classifiable.
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This subclass has no definition. | |
116 | .. Carburetor: |
Combined hydrogen-generators and means for carbureting the hydrogen by passing the same in contact with or through a hydrocarbon liquid. | |
117 | ... Air: |
This subclass is indented under subclass 116. Combined hydrogen-generators and means for carbureting air and mixing the two gases, which may further carburet the mixture. | |
118 | ... Floating oil: |
This subclass is indented under subclass 116. Generators in which a hydrocarbon oil floats on the surface of the acid solution and through which the generated hydrogen passes. | |
62R | . Cupola: |
This subclass is indented under subclass 61. Miscellaneous generators, having an upright, substantially
cylindrical body.
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71 | .. Coal, oil and water: |
This subclass is indented under subclass 62. Cupola structures in which coal is distilled or gasified and into which steam or water is injected and decomposed and into which oil or oil-vapor is also injected. The oil-vapor may be added to the coal and water gas outside of the distilling chamber. | |
72 | .. Coal and oil: |
This subclass is indented under subclass 62. Generators in the form of a cupola or shaft in which coal is distilled or gasified and into which oil or oil-vapor is introduced or oil-gas is added. | |
73 | .. Coal and water: |
This subclass is indented under subclass 62. Cupola structures in which coal is distilled or gasified and into which steam is injected and decomposed. Water-gas may be made separately and added to the coal-gas. | |
76 | .. Producers: |
This subclass is indented under subclass 62. Cupola structures wherein ignited fuel is subjected to an
air-blast.
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77 | .. Coal: |
This subclass is indented under subclass 62. Generators in the form of a cupola or shaft in which coal is distilled or gasified. | |
78 | .. Water: |
This subclass is indented under subclass 62. Cupola structures for containing a bed of incandescent fuel to which steam is admitted. This subclass includes the alternate process of first blasting with air and then decomposing steam. | |
79 | ... Carburetor: |
This subclass is indented under subclass 78. Cupola structures for producing water-gas by the alternate process by first blasting and then decomposing steam. The water-gas thus produced is then carbureted by the addition of a hydrocarbon fluid, oil vapor, or oil-gas. In this subclass, the water-gas is passed through an ordinary carbureting vessel containing oil. | |
80 | .... Fixer: |
This subclass is indented under subclass 79. Containing in addition to the cupola structure for the production of water-gas by the alternate process a chamber filled with refractory material to be highly heated and into which a hydrocarbon oil is admitted. Oil-gas may be admitted into this chamber, the oil or oil-gas combining with the water-gas. | |
81 | .... Retort: |
This subclass is indented under subclass 79. Combining with the well known cupola structure for the production of water-gas a retort to and through which the water-gas passes and to which a hydrocarbon oil or vapor is simultaneously admitted. | |
84 | ... Oil gas: |
This subclass is indented under subclass 78. Combined cupola structure for the production of water-gas and a means for producing oil-gas and combining the two gases. | |
82 | ... Up-and-down run: |
This subclass is indented under subclass 78. Cupola structures containing a body or bodies of incandescent fuel through which the steam is caused to pass first upwardly and then downwardly, or vice versa. | |
83 | .... Interlocking valves: |
This subclass is indented under subclass 82. Cupola structures for making water-gas by the up-and-down run provided with connected valves for changing the direction of the run. | |
85 | .. Carbon monoxide: |
This subclass is indented under subclass 62. Apparatus for making and carbureting and processes for carbureting
or making carbureted carbon monoxide.
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75 | .. Oil and steam injected: |
This subclass is indented under subclass 62. Cupola structures adapted for injection of oil or oil-vapor and steam into incandescent coal. | |
63 | .. Air and steam injected: |
This subclass is indented under subclass 62. Cupola structures wherein air and steam are simultaneously
injected for the continuous production of gas.
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64 | ... Superheated: |
This subclass is indented under subclass 63. Means for superheating the air or steam, or both, before entering the cupola. | |
65 | .. Electric: |
This subclass is indented under subclass 62. Structures of the cupola type in which an electric current
is used or produced for heating purposes.
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66 | .. Rotary bottom: |
This subclass is indented under subclass 62. Cupola structures provided with a bottom for supporting
the fuel, constructed to rotate or rock. Does not include rotary
grates.
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67 | .. Water jacket: |
This subclass is indented under subclass 62. Cupola structures having a water-jacket. | |
68 | ... Rotary bottom: |
This subclass is indented under subclass 67. Water-jacketed cupola structures having a rotary bottom for supporting the fuel. | |
69 | .. Water-seal pit: |
This subclass is indented under subclass 62. Cupola structures having an open bottom and a basin or trough for water, forming a seal for closing said open bottom and through which the ash is removed. | |
74 | .. Refractory filling: |
This subclass is indented under subclass 62. Cupola structures having a filling of refractory material,
such as brick, so as to be heated to a high temperature.
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This subclass has no definition. | |
85.1 | ... Movable wall: |
Cupola generators in which the cupola body or a section
thereof is movable for the purpose of agitating the fuel to prevent "scaffolding" and the
like.
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85.2 | ... Stirrer: |
Cupola generators having means within the cupola for stirring
the fuel.
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86R | .. Chargers: |
This subclass is indented under subclass 62. Miscellaneous means for feeding fuel to the cupola gas-generator.
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86A | ... Gas making underfeed |
This subclass has no definition. | |
87 | .. Accessories: |
This subclass is indented under subclass 62. Means applied to cupola structures, such as pressure-indicators,
means for distributing steam, means for switching the blast or run, removable
bottoms, fuel-rammers, poke-holes, peep-holes, oil-spraying devices,
etc.
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62A | .. Partial combustion carburetor |
This subclass has no definition. | |
89 | . Retort: |
This subclass is indented under subclass 61. Closed heated retorts for the gasification of carbonaceous material not otherwise classifiable. | |
98 | .. Coal, oil and water: |
This subclass is indented under subclass 89. Combined retorts for gasifying coal and means for introducing steam or water and oil. The water or steam may be converted into CO, H, and the oil gasified in separate retorts and combined with the coal-gas. | |
99 | .. Coal and water: |
This subclass is indented under subclass 89. Combined retorts for the gasification of coal and means for introducing water, steam, or water-gas. | |
100 | .. Coal and oil: |
This subclass is indented under subclass 89. Combined retorts for gasifying coal and means for introducing oil therein or for combining the coal and oil gas. | |
101 | .. Coal: |
This subclass is indented under subclass 89. Retorts for producing gas from coal. | |
102R | .. Oil: |
This subclass is indented under subclass 89. Retorts containing a body of oil or into which oil is injected.
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103 | ... Electric heater: |
This subclass is indented under subclass 102. Retorts in which is located an electric heater for gasifying
the oil.
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104 | ... Jet mixers: |
This subclass is indented under subclass 102. Retorts in which oil is gasified with the gas- pressure
being used to entrain air on its way to the gasometer. In this subclass,
the gas is purified or fixed on its way to the storage-gasometer.
The retort is heated by a portion of the gas generated.
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105 | ... Steam injected: |
This subclass is indented under subclass 102. Vessels containing a body of oil into which steam is injected; also includes devices feeding oil for gasification into a highly-superheated jet of steam for decomposition. | |
106 | ... Automatic feed: |
This subclass is indented under subclass 102. Devices whereby the oil fed to the retort is regulated by
the pressure of the gas either in the retort or gasometer.
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107 | ... Air injected: |
This subclass is indented under subclass 102. Combined retorts for gasifying oil and means for introducing
air or oxygen. The air or oxygen may be added to the oil-gas after
it leaves the retort or in the gasometer.
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102A | ... Utilizing heat from exhaust gases |
This subclass has no definition. | |
108 | .. Water: |
This subclass is indented under subclass 89. Retorts constructed to contain incandescent coal and into which steam is injected. | |
109 | ... Carburetor: |
This subclass is indented under subclass 108. Retorts constructed to contain incandescent coal for making water-gas, which is thereafter carbureted. | |
110 | ... Oil gas: |
This subclass is indented under subclass 108. Retorts for separately making water and oil gases, which may afterward be mixed. | |
111 | .. Wood: |
This subclass is indented under subclass 89. Retorts in which wood, peat, sawdust, or other vegetable
matter is distilled for making gas and to which steam may be added
and decomposed.
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112 | ... Oil: |
This subclass is indented under subclass 111. Retorts in which wood, etc., is distilled for making gas and into which oil is injected or separately gasified and added to the wood-gas. Steam may also be injected. | |
92 | .. Metal bath: |
This subclass is indented under subclass 89. Retorts containing heated molten metal into which materials
to be gasified are injected.
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93 | .. Oil and gas injected: |
This subclass is indented under subclass 89. Retorts into which oil and gas are injected. | |
94 | .. Oil and steam injected: |
This subclass is indented under subclass 89. Retorts into which oil and steam or water are injected. | |
95 | ... Air: |
This subclass is indented under subclass 94. Retorts into which oil, steam, or water and air are injected to be gasified. The air may be added to the gas produced from the oil and steam or water. | |
96 | ... Carburetor: |
This subclass is indented under subclass 94. Retorts into which oil and steam or water are injected and the resultant gas passed through a vessel containing hydrocarbon fluid. | |
90 | .. Domestic plants: |
This subclass is indented under subclass 89. Individual plants consisting of a retort, purifier, condenser, and holder. The retort may be placed in an ordinary cookstove. They may omit the purifier, condenser, or holder. | |
113 | .. Furnaces: |
This subclass is indented under subclass 89. Furnace structures to generate for producer-gas for heating benches of retorts. The furnace may have flues for the passage of air, and also flues for the passage of the products of combustion whereby the air is heated. This subclass includes settings for the retorts and processes for heating the retorts. | |
118.5 | . Portable: |
This subclass is indented under subclass 61. Generators constructed to be transported from place to place for the purpose of filling local gasometers. | |
119 | RETORTS: |
This subclass is indented under the class definition. Vessels constructed of metal, clay etc., for gasifying materials
by heat applied thereto. This subclass includes retorts of various designs
arranged on a horizontal plane.
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120 | . Compounds: |
This subclass is indented under subclass 119. Retorts divided or formed into two or more chambers. | |
122 | . Inclined: |
This subclass is indented under subclass 119. Retorts constructed to be placed in the furnace in an inclined position. | |
123 | . Vertical: |
This subclass is indented under subclass 119. Retorts vertically arranged within the furnace. | |
124 | . Lids: |
This subclass is indented under subclass 119. Doors for closing the mouth of retorts. Includes special
fastening means.
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126 | . Attachments: |
This subclass is indented under subclass 119. Auxiliary devices applied to retorts, such as mouthpieces, door-seats, stoppers, etc. | |
127.1 | CONVERSION OF HYDROCARBON GAS AND BLENDING OF PRODUCT WITH FURTHER HYDROCARBON GAS, PROCESS: |
This subclass is indented under the class definition. Process in which a normally gaseous hydrocarbon or gaseous
mixture containing predominantly such hydrocarbon is subjected to
a chemical reaction and a normally gaseous hydrocarbon or gaseous
mixture is mixed with the reaction product.
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127.3 | METHANE (NATURAL GAS)-CONTAINING PRODUCT, OR TREATMENT OR RECOVERY PROCESS: |
This subclass is indented under the class definition. Subject matter in which a gaseous product composition containing
methane is claimed or in which a process is claimed which results in
such a product.
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127.5 | . Process including chemical reaction: |
This subclass is indented under subclass 127.3. Process in which a compound included in the feedstock to
the process is changed to another compound.
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127.7 | .. Catalytic: |
This subclass is indented under subclass 127.5. Subject matter which employs an extraneous accelerator or
retarder for the reaction.
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127.9 | APPARATUS FOR CONVERTING OR TREATING HYDROCARBON GAS: |
This subclass is indented under the class definition. Apparatus which uses a hydrocarbon gas as a feedstock or
in which a hydrocarbon gas is an effluent.
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144 | CARBURETORS: |
This subclass is indented under the class definition. Vessels for containing liquid hydrocarbon through or over
which air or gas is passed.
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160 | . Gravity: |
This subclass is indented under subclass 144. Vessels constructed to contain hydrocarbon liquid, or to which the same is fed drop by drop, and to which air is admitted under atmospheric pressure, and from which the carbureted air passes by gravity. | |
128 | PURIFIERS: |
This subclass is indented under the class definition. Means not otherwise classifiable wherein gas is subjected to the action of a medium capable of removing impurities. | |
170 | CENTER AND BY-PASS VALVES: |
This subclass is indented under the class definition. Means for directing the passage of the gas through two or more purifiers and for by- passing one or more. | |
173 | EXHAUSTERS: |
This subclass is indented under the class definition. Means for drawing the gas from the generator, regulating the action of the same, and preventing the formation of a vacuum. | |
174 | HOLDERS: |
This subclass is indented under the class definition. Vessels for the storage of gas. This subclass includes stationary
vessels and independent parts to be used in the construction of
the holder.
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175 | . High-pressure safety escape: |
This subclass is indented under subclass 174. Means combined with the holder so related that on excessive pressure in the holder the gas escapes. | |
176 | . Bell and tank: |
This subclass is indented under subclass 174. Structures consisting of an open-top tank and an inverted
bell. The tank may be provided with a purifier through which the
gas passes on its way to the bell; or with a chamber for storing
oil or various utensils used around the works.
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177 | .. Sectional bell: |
This subclass is indented under subclass 176. Structures where the bell is divided horizontally into sections having water-seal joints and telescoping. | |
178 | . Collapsible: |
This subclass is indented under subclass 174. Holders comprising a plurality of sections of which one or more is flexible and so related that the holder may collapse. | |
179 | . Tank: |
This subclass is indented under subclass 174. Open-top chambers within which the bell moves.
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180.1 | MIXERS: |
This subclass is indented under the class definition. Processes and apparatus for mixing combustible gases or
a gas and a supporter of combustion.
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181 | . Bell and tank: |
This subclass is indented under subclass 180.1. Mixers comprising a bell and tank within which the gases are mixed, the movement of the bell controlling the supply of gases or air and gas. | |
182 | .. Anterior: |
This subclass is indented under subclass 181. Devices where the mixture of gases or gas and air takes place before entering the bell and is controlled thereby. | |
183 | .. Posterior: |
This subclass is indented under subclass 181. Devices where the mixture of gases or air and gas is made beyond the bell and controlled thereby. | |
184 | . Diaphragm: |
This subclass is indented under subclass 180.1. Devices where a diaphragm operates the valves controlling the supply of gases or gas and air, the pressure of the gas operating the diaphragm. | |
185 | . Gravity: |
This subclass is indented under subclass 180.1. Devices where a body connected to and operating the supply-valves for the gases or gas and air is made buoyant by the specific gravity of the gas. | |
186 | . Pump: |
This subclass is indented under subclass 180.1. Devices where pumps are employed to deliver the gases or air and gas to a mixing- chamber. | |
187 | . Rotary drum: |
This subclass is indented under subclass 180.1. Bladed rotary drums located within a casing for drawing in the gases or air and gas and mixing them. | |
188 | .. Anterior: |
This subclass is indented under subclass 187. Devices where the air and gas or gases are mixed before entering the drum. | |
189 | .. Posterior: |
This subclass is indented under subclass 187. Devices where the air and gas or gases are mixed beyond the drum, the drum being used to force one or both of the elements. | |
189.1 | . Three or more different fluids entering apparatus: |
This subclass is indented under subclass 180.1. Apparatus having provision for three or more different combustible
gases or gases which support combustion to separately enter the apparatus.
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189.2 | . With heating means: |
This subclass is indented under subclass 180.1. Apparatus additionally including means to heat the mixture produced or component thereof. | |
189.3 | . Auxiliary air inlet: |
This subclass is indented under subclass 180.1. Apparatus having means for adding air to an existing mixture of air and a combustible gas. | |
189.4 | . Mixer in flow path of existing mixture: |
This subclass is indented under subclass 180.1. Apparatus in the flow path of an existing mixture which
improves the extent of mixing.
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189.5 | .. Rotating mixer: |
This subclass is indented under subclass 189.4. Apparatus wherein an element rotates in the flow path of
the existing mixture.
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189.6 | .. Includes element made of engaged strands or fibers, e.g., screen, fabric, etc.: |
This subclass is indented under subclass 189.4. Apparatus which includes an element made of fibers or strands
which cross and touch each other, including a single strand which
loops and touches itself.
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190 | DISTRIBUTION: |
This subclass is indented under the class definition. Means and methods for the distribution of gas.
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191 | . Regulating pressure: |
This subclass is indented under subclass 190. Means for reducing and regulating the pressure of gas in
a distributing system.
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192 | . Safety devices: |
This subclass is indented under subclass 190. Means for preventing, also localizing and confining, explosions in a gas-distributing system. | |
193 | . Leakage: |
This subclass is indented under subclass 190. Means for detecting and providing for the escape of leakage
gas from mains.
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194 | .. Preventing: |
This subclass is indented under subclass 193. Means for preventing the leakage of gas from the mains at
their couplings.
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195 | .. Odorizers: |
This subclass is indented under subclass 193. Means for charging gas with an odorous substance. | |
197R | PROCESSES: |
This subclass is indented under the class definition. Processes not otherwise classifiable for the manufacture
and accessory treatment of gas.
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198.1 | . Manufacture from methane (natural gas): |
This subclass is indented under subclass 197. Subject matter in which the feedstock to the process includes
a significant amount of methane gas.
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198.2 | .. Employing carbon particles, porous barrier element or molten material: |
This subclass is indented under subclass 198.1. Subject matter in which the conversion process employs a
normally solid material in its liquid state or carbon particles
(which may be carbon particles produced in the same or a different stage
of the process) or self-sustaining element having pores which permit
the passage of some, but not all, components of a gaseous composition.
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198.3 | .. With specified treatment of converted product, e.g., purification, particular cooling, testing, etc.: |
This subclass is indented under subclass 198.1. Subject matter in which the gaseous product of the process
is subjected to a further treatment which does not change the chemical
nature of the finished desired product.
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198.5 | .. Employing oxygen donor particles or carbidable metal particles: |
This subclass is indented under subclass 198.1. Subject matter in which a feedstock or an intermediate mixture
contacts particles of a metal which can be converted to a carbide
of the metal or oxygen-containing particles which can give up their
oxygen to another gas used in the process.
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198.6 | .. Specified direction of gas travel through particle mass, e.g., fluidization, flow reversal, etc.: |
This subclass is indented under subclass 198.1. Subject matter in which a gas involved in the process is
described as traveling through a particle mass in a specified direction,
e.g., vertically, downwardly, etc., or in opposite directions through
the same particle mass at different stages of the process.
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198.7 | .. Employing catalytic particles: |
This subclass is indented under subclass 198.1. Subject matter in which a gas contacts a reaction accelerating
or retarding material in particle form.
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198.8 | .. With specified reactant velocity, angle of entry to reactor or mechanical energy production, e.g., use of internal combustion engine, etc.: |
This subclass is indented under subclass 198.1. Subject matter in which an internal combustion engine or other producer of mechanical energy is used as a reactor apparatus, or where the speed of gas flow to, through or from the reactor is specified or where the angle of the path of gas flowing into a reactor is specified. | |
This subclass has no definition. | |
199R | .. Carbureting: |
Processes wherein hydrogen gas is brought in contact with a liquid hydrocarbon. | |
199FM | ... Fuel mixtures |
This subclass has no definition. | |
200 | . Coal, oil and water: |
This subclass is indented under subclass 197. Processes for gasifying coal and oil and decomposing water and combining the resultant gases. These elements may be separately gasified and united or conjointly gasified. | |
201 | . Coal and oil: |
This subclass is indented under subclass 197. Processes for making and combining coal and olefiant gases. They may be made separately and united or made combined. | |
202 | . Coal and water: |
This subclass is indented under subclass 197. Processes for gasifying coal and combining therewith water-gas
or simultaneously gasifying coal and decomposing steam in the same retort.
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203 | . Producer: |
This subclass is indented under subclass 197. Processes for making the well-known Siemens producer gas, which consists in blasting with air an ignited bed of fuel. | |
204 | . Water: |
This subclass is indented under subclass 197. Processes whereby a body of fuel is first heated to incandescence
and then steam injected.
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205 | .. Carbureting: |
This subclass is indented under subclass 204. Processes whereby steam is decomposed by being passed through a body of incandescent fuel and then carbureted by means of a volatile hydrocarbon either in the form of a liquid, vapor, or gas. | |
206 | .. Continuous: |
This subclass is indented under subclass 204. Processes for the continuous manufacture of water-gas by bringing steam into contact with coal maintained at a decomposing temperature either by internal combustion or heat applied. | |
207 | .. Down run: |
This subclass is indented under subclass 204. Processes wherein steam is admitted to the top of a bed of incandescent fuel, passes through, and the resultant gas drawn off at the bottom. | |
208 | .. Up-and-down run: |
This subclass is indented under subclass 204. Processes in which steam is caused to pass upwardly and downwardly, or vice versa, through a body or separate bodies of incandescent fuel. | |
209 | . Wood: |
This subclass is indented under subclass 197. Processes for gasifying wood, sawdust, peat, or other vegetable
matter. The gas generated may be carbureted or have added to it
oil or oil gas or other gas.
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210 | . Coal: |
This subclass is indented under subclass 197. Methods for generating gas from coal. | |
211 | . Oil: |
This subclass is indented under subclass 197. Processes for gasifying oil.
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212 | .. Air injected: |
This subclass is indented under subclass 211. Processes where oil and air are injected into a heated retort. The air may be added to the gas produced from the oil. | |
213 | .. Gas injected: |
This subclass is indented under subclass 211. Processes wherein oil and gas are injected into a highly heated retort. | |
214R | . Oil and steam injected: |
This subclass is indented under subclass 197. Processes wherein oil and steam or water are injected into a highly heated retort. | |
215 | .. Air: |
This subclass is indented under subclass 214. Processes wherein oil, steam, and air are injected into a highly heated retort. The air may be added to and mixed with the gas resulting from the decomposition of the oil and steam or water. | |
214A | .. Catalytic processes |
This subclass has no definition. | |
216 | . Acetylene: |
Processes for generating acetylene gas by the mutual decomposition
of calcium carbid and water and for preparing calcium carbid for
such use. This subclass covers processes of the first type.
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217 | .. Slow: |
This subclass is indented under subclass 216. Processes in which a retarded generation of acetylene is
produced in contra-distinction to the usual rapid generation.
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219 | . Carbureting: |
This subclass is indented under subclass 197. Processes for carbureting air or gas generally by passing the same in contact with hydrocarbon liquid. | |
197FM | . Fuel mixtures |
This subclass has no definition. | |
197A | . Sewage treatment |
This subclass has no definition. | |
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
This subclass has no definition. | |
DIG1 | RECIRCULATION OF GASES PRODUCED TO LOWER PART OF FUEL BED |
This subclass has no definition. | |
DIG2 | SLAGGING PRODUCER |
This subclass has no definition. | |
DIG3 | HIGH PRESSURE |
This subclass has no definition. | |
DIG4 | POWDERED FUEL INJECTION |
This subclass has no definition. | |
DIG5 | DIFFUSION MEMBRANE FOR GAS REACTION OR SEPARATION |
This subclass has no definition. | |
DIG6 | UNDERGROUND GASIFICATION OF COAL |
This subclass has no definition. | |
DIG7 | SLURRY |
This subclass has no definition. | |
DIG8 | INTERNAL COMBUSTION ENGINE FOR GAS MAKING |
This subclass has no definition. | |
DIG9 | SOLAR GASIFICATION |
This subclass has no definition. | |
DIG10 | COMPUTER RESISTED CONTROL |
This subclass has no definition. | |