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Class Information
Number: 137/115.25
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Bypass or relief controlled by main line fluid condition > Pressure responsive > Electrical control
Description: Subject matter comprising an electrical element and wherein the sensor controls the bypass or relief by means of the electrical element.










Patents under this class:

Patent Number Title Of Patent Date Issued
8578958 Leak mitigation for pressurized bi-directional systems Nov. 12, 2013
8544491 Compressed air supply system for a commercial vehicle, and method for operating a compressed air supply system Oct. 1, 2013
8490641 Compressed air supply system for a commercial vehicle and method for operating said compressed air supply system Jul. 23, 2013
8297297 Compressed air supply system for a commercial vehicle and method for operating a compressed air supply system Oct. 30, 2012
6932102 Device for regulating the flow rate and/or the pressure of a fluid Aug. 23, 2005
6694859 Variable pressure relief valve Feb. 24, 2004
6629411 Dual displacement motor control Oct. 7, 2003
6595757 Air compressor control system Jul. 22, 2003
6209566 Hydraulic control systems Apr. 3, 2001
6079436 Energy supply device for a compressed air brake system for commercial vehicles Jun. 27, 2000
6041808 Compressed air control device for a source of compressed air on motor vehicles Mar. 28, 2000
5997693 Stock liquor pressure pulsation absorbing apparatus and method Dec. 7, 1999
5836347 Fluid pressure supply system Nov. 17, 1998
5184773 Pressure regulating heater control valve Feb. 9, 1993
5035255 Device for changing the pressure in a tire of a motor vehicle Jul. 30, 1991
4893646 Fluid pressure regulator Jan. 16, 1990
4890636 Fluid pressure control for use in transmission Jan. 2, 1990
4830581 Apparatus for dispensing measured quantities of a liquid material May. 16, 1989
4733684 Means and method for testing the homogeneity of a solution Mar. 29, 1988
4674527 Pressure relieving linear motion valve Jun. 23, 1987
4589436 Oxygen partial pressure controller for a pressure swing adsorption system May. 20, 1986
4585168 High pressure liquid installation Apr. 29, 1986
4546791 Safety valve Oct. 15, 1985
4466759 Method and apparatus for sequence control of vertical movements of slurried particulates Aug. 21, 1984
4446882 Solenoid-operated valve means for hydraulic systems May. 8, 1984
4434110 Carburetor, control apparatus and method for internal combustion engines Feb. 28, 1984
4394871 Programmable pressure regulator for titanium superplastic forming apparatus Jul. 26, 1983
4346727 Apparatus for measuring the amount of fluid supplied by a fluid supply device Aug. 31, 1982
3958466 Electro-hydraulic gear shifting control for vehicle gears May. 25, 1976











 
 
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