US PATENT SUBCLASS 60 / 675
.~.~ Gravity motor actuated by weight of condensed vapor

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

643  DF  MOTIVE FLUID ENERGIZED BY EXTERNALLY APPLIED HEAT {11}
670  DF  .~ Power system involving change of state {6}
675.~.~ Gravity motor actuated by weight of condensed vapor

DEFINITION

Classification: 60/675

(under subclass 670) Apparatus, in which generated vapor is condensed and collected at an elevated location and a work output is obtained from the movement of the condensate collector, downwardly under the influence of gravity.

SEE OR SEARCH THIS CLASS, SUBCLASS:

639+, for a motor actuated by accumulating and dumping liquid or fluent material from a flouring stream of the material.