US PATENT SUBCLASS 60 / 411
.~.~.~ Suction pressure on motor regulated

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

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
407  DF  .~ Pneumatic motor with gas supply or removal device {3}
409  DF  .~.~ Having automatic control {2}
411.~.~.~ Suction pressure on motor regulated

DEFINITION

Classification: 60/411

(under subclass 409) Apparatus in which the suction on one side of a motor element having atmospheric pressure on the other is controlled in response to a sensed condition.