US PATENT SUBCLASS 60 / 650
.~.~ Producing power by heating and cooling a single phase fluid


Current as of: June, 1999
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60 /   HD   POWER PLANTS

643  DF  MOTIVE FLUID ENERGIZED BY EXTERNALLY APPLIED HEAT {11}
645  DF  .~ Process of power production or system operation {9}
650.~.~ Producing power by heating and cooling a single phase fluid


DEFINITION

Classification: 60/650

(under subclass 645) Process, in which a liquid or gas has its pressure or volume increased by the addition of heat and reduced by the removal of heat, the pressure or volume increment being used to produce mechanical work and the gas or liquid remaining as such throughout the procedure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

517+, for a motor operated by the expansion and contraction of a unit mass of gas; subclass 530, for a motor operated by the expansion and contraction of a unit mass of liquid; and subclasses 682+, for a power apparatus actuated by externally applied heat using a single state motive fluid.