US PATENT SUBCLASS 417 / 304
.~.~ Plural bypass or relief paths


Current as of: June, 1999
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417 /   HD   PUMPS

279  DF  WITH CONDITION RESPONSIVE PUMPED FLUID CONTROL {22}
302  DF  .~ Plural paths having individual condition responsive control means {2}
304.~.~ Plural bypass or relief paths


DEFINITION

Classification: 417/304

(under subclass 302) Apparatus in which the condition responsive fluid control means comprises means located in a plurality of separate bypass or relief passages.

SEE OR SEARCH THIS CLASS, SUBCLASS:

287, for plural diverse capacity pumps or chambers having sequentially controlled passages controlled by a single valve element.

288, for plural pumps or chambers having sequentially operated bypass or relief passages.

308, for plural relief or bypass valves having at least one responsive to pressure.