US PATENT SUBCLASS 60 / 682
.~ Single state motive fluid energized by indirect heat transfer

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

643  DF  MOTIVE FLUID ENERGIZED BY EXTERNALLY APPLIED HEAT {11}
682.~ Single state motive fluid energized by indirect heat transfer {2}
683  DF  .~.~> Motor exhaust fed into combustion device
684  DF  .~.~> Including interstage reheat means

DEFINITION

Classification: 60/682

(under subclass 643) Apparatus, in which a heat energized motive fluid used in a device producing mechanical output does not change state during the operation of the system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

517+, for a motor operated by expansion and contraction of a confined body of fluid (e.g., Stirling cycle); and subclasses 508+, for a motor operated by heating or cooling a fluid while within an expansible chamber.