US PATENT SUBCLASS 60 / 526
.~.~ Motor having regenerator for mass

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

516  DF  MOTOR OPERATED BY EXPANSION AND/OR CONTRACTION OF A UNIT OF MASS OF MOTIVATING MEDIUM {3}
517  DF  .~ Unit of mass is a gas which is heated or cooled in one of a plurality of constantly communicating expansible chambers and freely transferable therebetween {9}
526.~.~ Motor having regenerator for mass

DEFINITION

Classification: 60/526

(under subclass 517) Apparatus having means in the path of flow of said working gas as it passes back and forth from a cooling chamber to a heating chamber whereby heat is removed from said gas as it passes therethrough in one direction and then returns said heat to said gas as it passes back through said means in the opposite direction.

SEE OR SEARCH CLASS

62, Refrigeration,

115+, for processes for compressing, condensing and evaporating a refrigerant.

165, Heat Exchange,

4+, for regeneration, per se.