(under subclass 236) Apparatus in which a device is operable under one condition as a pump and as a result of the adjustment, rearrangement of parts or addition or omission of a part is operable as a motor.
SEE OR SEARCH THIS CLASS, SUBCLASS:
364, for a pump mechanically driven by an internal combustion engine including a pump mounted on an engine cylinder or head and mechanically driven by the piston of the engine.
380, for a pump having a motor driven by the products of combustion (or a component thereof) of an internal combustion engine including a pump mounted on an engine cylinder and operated by the pressure fluctuations in the cylinder.
SEE OR SEARCH CLASS
60, Power Plants, 408, and 629, for a convertible motor and pump with means for storing the fluid energized by the pump mechanism and utilizing such fluid as the motive fluid for the converted motor.
123, Internal-Combustion Engines,
319+, for internal combustion engines whose cycles are modified to produce a braking action by displacement of fluid and not being disclosed as capable of delivering fluid for a useful external purpose.
