US PATENT SUBCLASS 60 / 522
.~.~ Having means to control rate of flow of mass between chambers

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
522.~.~ Having means to control rate of flow of mass between chambers

DEFINITION

Classification: 60/522

(under subclass 517) Apparatus provided with means adapted to control the rate of flow of said gas from one to another of the expansible chambers.