US PATENT SUBCLASS 123 / 25 R
WATER AND HYDROCARBON

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

25 RWATER AND HYDROCARBON {15}
25 A  DF  .~> Water in charge
25 B  DF  .~> Water plus heat into charge
25 C  DF  .~> Water into cylinder
25 D  DF  .~> Water plus heat into charge
25 E  DF  .~> Water introduced by mixing with other materials
25 F  DF  .~> Water plus heat by mixing with other materials
25 G  DF  .~> Washers and cleaners
25 H  DF  .~> Washers and cleaners with heat
25 J  DF  .~> Automatic water control
25 K  DF  .~> Automatic water control; thermostatic
25 L  DF  .~> Automatic water control; suction
25 M  DF  .~> Automatic water control; speed
25 N  DF  .~> Automatic water control interconnected with throttle
25 P  DF  .~> Steam injection
25 Q  DF  .~> Cooling regulation

Unofficial Alpha Subclasses: R A B C D E F G H J K L M N P Q

DEFINITION

Classification: 123/25

Internal-combustion engines having a cylinder and a working piston reciprocating therein, but irrespective of other structural features, cycle, or mode of operation, in which the combustible mixture supplied to and burned within the working cylinder contains a quantity of aqueous vapor or in which water in any form is supplied to the working cylinder after a charge has been ignited therein. The water may be supplied to the air and hydrocarbon before the charge is ignited in which case the combustible charge is made up of air, hydrocarbon, and aqueous vapor, or a combustible mixture of air and hydrocarbon may be ignited in the working cylinder, the water being supplied to the expanding gases therein during the working stroke. In cases where water in the form of steam is supplied to the combustible mixture, as above, the steam is frequently generated by means of heat ordinarily lost in the operation of the engine, as by the heat of the exhaust-gases, or the cooling-jacket may be utilized as a steam-generator to supply water to the combustible charge.

SEE OR SEARCH THIS CLASS, SUBCLASS:

41.22, for similar devices designed primarily to reduce the pressure of the cooling system and thus reduce the boiling point of the liquid coolant.

SEE OR SEARCH CLASS

60, Power Plants,

39.05, and 39.54 for a motor operated by externally generated combustion products in which water or steam is introduced into the power cylinder; and subclass 712 for an engine operated selectively or simultaneously by internal combustion of fuel and by expansion of motive fluid.