US PATENT SUBCLASS 60 / 468
.~.~ Of by-pass of motor, pump or flow control element


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

Internet Version by PATENTEC © 1999      Terms of Use



60 /   HD   POWER PLANTS

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
459  DF  .~ Condition responsive control of motive fluid flow {8}
468.~.~ Of by-pass of motor, pump or flow control element


DEFINITION

Classification: 60/468

(under subclass 459) Apparatus in which the flow of motive fluid through a passage by-passing a motor, pump or restriction in a motor feed or discharge line is controlled by a condition responsive means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

424, for serially connected motors one of which has an automatically controlled bypass; and

456, for a bypass arrangement including cooling structure.

SEE OR SEARCH CLASS

91, Motors: Expansible Chamber Type,

399, 400+, and 407 for motors having bypasses responsive to the position of the working member. 137, Fluid Handling,

108+, for a self controlled branched flow system.

417, Pumps,

307+, for a pump having a pressure responsive relief or by pass valve.