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Class Information
Number: 137/115.22
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Bypass or relief controlled by main line fluid condition > Pressure responsive > Plural sensors for single bypass or relief valve > Sensors interconnected by timing or restrictive orifice
Description: Subject matter wherein the pressure sensors are connected to each other directly by means of a restrictive passage in order that all the sensors react to the same pressure, but with a different speed of response.










Patents under this class:

Patent Number Title Of Patent Date Issued
8662097 Flow control valve with damping chamber Mar. 4, 2014
8485212 Volume flow regulating valve for a hydraulic system for controlling a belt-driven conical-pulley transmission Jul. 16, 2013
8443827 Controlling device for hydraulic consumers May. 21, 2013
7809954 Biometric control of equipment Oct. 5, 2010
6994102 Pressure regulating valve Feb. 7, 2006
6425281 Pressure insensitive gas control system Jul. 30, 2002
6170508 Fluid flow regulating valve and method Jan. 9, 2001
5785075 Fluid-flow control valve Jul. 28, 1998
4840031 Control system for fluid pressure operated actuator Jun. 20, 1989
4428393 Quick vent response valve Jan. 31, 1984
4046160 Transmission clutches with sequence valve and piston-controlled pressure modulator Sep. 6, 1977
4040439 Cushion valve arrangement Aug. 9, 1977











 
 
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