(under subclass 39.01) Plants including means whereby the plant may be selectively or automatically modified to operate on a different motive fluid or different cycle, or the function of the motor may be changed. Also, plants under subclass 39.01 in combination with features other than combustion products generators and motors, and not provided for in the preceding subclasses.
(1) Note. Combustion products generators and motors include means to supply fuel, steam and/or water, compressors, accumulators, cooling structure, and exhaust treatment devices.
SEE OR SEARCH THIS CLASS, SUBCLASS:
39.14, for plants operated by combustion products wherein the operation is changed for starting.
39.64, for plants operated by combustion products wherein the operation is automatically converted in a definite periodic cycle.
424, for plants using a motive fluid other than products of combustion having means for changing from series flow to parallel flow, or vice versa, in a multiple stage motor.
596, and 625+, for plants which are convertible from internal-combustion to fluid pressure motor operation. SEE OR SEARCH CLASS
91, Motors: Expansible Chamber Type,
11, for motors of the expansible chamber type connected for series flow of motive fluid, with means whereby the motors may be converted to operate with parallel flow of motive fluid.
