US PATENT SUBCLASS 188 / 282.3
.~.~.~.~ System initiated by a pressure change or feedback

Current as of: June, 1999
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188 /   HD   BRAKES

266  DF  INTERNAL-RESISTANCE MOTION RETARDER {29}
281  DF  .~ Resistance alters relative to direction of thrust member (e.g., high resistance in one direction, low in the other) {1}
282.1  DF  .~.~ Via valved orifice in thrust member {4}
282.2  DF  .~.~.~ Valve actuated by electrical system {2}
282.3.~.~.~.~ System initiated by a pressure change or feedback

DEFINITION

Classification: 188/282.3

System initiated by a pressure change or feedback:

(under subclass 282.2) Electrically actuated valve in which the voltage and current are applied in response to a fluid force.