US PATENT SUBCLASS 417 / 309
.~.~ Responsive to pump inlet condition

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


417 /   HD   PUMPS

279  DF  WITH CONDITION RESPONSIVE PUMPED FLUID CONTROL {22}
307  DF  .~ Pressure responsive relief or bypass valve {4}
309.~.~ Responsive to pump inlet condition

DEFINITION

Classification: 417/309

(under subclass 307) Apparatus in which the fluid flow control means is operated in response to a condition of the fluid in the intake or low pressure inlet of the pump.

SEE OR SEARCH THIS CLASS, SUBCLASS:

301, for an inlet pressure responsive bypass from the pump inlet to the pump discharge.