US PATENT SUBCLASS 60 / 472
.~.~ Flow to opposed expansible chambers having a common output reversed

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

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
470  DF  .~ Externally operated multiway valve or interconnected control elements control motive fluid for a limited stroke to-and-fro device {2}
472.~.~ Flow to opposed expansible chambers having a common output reversed

DEFINITION

Classification: 60/472

(under subclass 470) Apparatus in which the output member is carried by two opposed expansible chamber devices mechanically connected thereto; the connection being such that an increase in pressure in one chamber moves the output member in the opposite direction from that caused by an increase of pressure in the other chamber and the control structure acting to select the chamber to which pressure fluid is supplied.

SEE OR SEARCH CLASS

91, Motors: Expansible Chamber Type,

462+, for a double acting motor with a motive fluid control valve arrangement.