US PATENT SUBCLASS 60 / 463
.~.~.~ Sensor of external condition controls valve

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

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
459  DF  .~ Condition responsive control of motive fluid flow {8}
462  DF  .~.~ With externally operable multiwasy valve means directing flow to a stroke device {1}
463.~.~.~ Sensor of external condition controls valve

DEFINITION

Classification: 60/463

(under subclass 462) Apparatus in which the externally operated multiway valve is actuated by a means sensing a condition of a substance or structure that is not a part of the means supplying motive fluid of the motor, or of the interconnecting lines.