US PATENT SUBCLASS 141 / 361
.~.~.~ Servo-system

Current as of: June, 1999
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141 /   HD   FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS

311 R  DF  FILLING MEANS WITH RECEIVER OR RECEIVER COACTING MEANS {20}
351  DF  .~ Receiver actuated discharge means {6}
360  DF  .~.~ Actuator juxtaposed outlet {2}
361.~.~.~ Servo-system

DEFINITION

Classification: 141/361

(under subclass 360) Filling apparatus in which there is included some motive means which becomes operative for assisting in the actuation of the supply means in accordance with the demands made thereon by the receiver and transmitted through a switch or pilot valve.

SEE OR SEARCH THIS CLASS, SUBCLASS:

46, for diverse fluid containing pressure systems in which system fluid is used to perform valving or lifting operations.

141, and 160, for filling systems involving successive receivers and no-can-no-fill means therefor which includes servo mechanisms.

219, for automatic control for cut-off means including electromagnetic trips.

SEE OR SEARCH CLASS

251, Valves and Valve Actuation, 25+, for valve operating servo systems generally.