US PATENT SUBCLASS 91 / 372
.~.~.~ Spring-loaded valve

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

Internet Version by PATENTEC © 1999      Terms of Use


91 /   HD   MOTORS: EXPANSIBLE CHAMBER TYPE

358 R  DF  WORKING MEMBER POSITION FEEDBACK TO MOTIVE FLUID CONTROL {12}
368  DF  .~ Follower type {9}
370  DF  .~.~ With motor chamber pressure reaction on valve {2}
372.~.~.~ Spring-loaded valve {1}
373  DF  .~.~.~.~> With lost motion between input and reaction member

DEFINITION

Classification: 91/372

(under subclass 370) Apparatus in which the valve means has a mechanical spring acting on a movable valve part in such a manner that a given minimum force must be exerted on the valve part to cause its movement.