US PATENT SUBCLASS 251 / 32
.~.~ Latched pilot valve


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

Internet Version by PATENTEC © 1999      Terms of Use



251 /   HD   VALVES AND VALVE ACTUATION

12  DF  FLUID ACTUATED OR RETARDED {12}
25  DF  .~ Pilot or servo type motor {8}
32.~.~ Latched pilot valve


DEFINITION

Classification: 251/32

(under subclass 25) Subject matter in which the pilot valve is engaged in one position by a detent which retains the pilot valve in that position until released by the detent.

SEE OR SEARCH THIS CLASS, SUBCLASS:

66+, for biased trip valves, especially subclass 73 for fluid pressure trip actuation.

89+, for valve actuators associated with means for blocking or disabling the actuator.