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Class Information
Number: 137/625.65
Name: Fluid handling > Systems > Multi-way valve unit > Supply and exhaust > Motor-operated
Description: Device in which the valve unit is operated by a power driven actuating mechanism.










Sub-classes under this class:

Class Number Class Name Patents
137/625.66 Fluid motor 363


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Patent Number Title Of Patent Date Issued
8701707 Pressure control valve device Apr. 22, 2014
8678033 Proportional valve employing simultaneous and hybrid actuation Mar. 25, 2014
8678340 Hydraulic control valve apparatus for automatic transmission Mar. 25, 2014
8656948 Hydraulic valve with an annular filter element secured by a helical spring Feb. 25, 2014
8651141 Electromagnetic valve and relative assembly method Feb. 18, 2014
8631825 Piezo valve Jan. 21, 2014
8602060 Multiplexing control valve Dec. 10, 2013
8597849 Pressure activated shut-off valve Dec. 3, 2013
8578968 Electrical switching valve Nov. 12, 2013
8561644 Pulsator apparatus and method of operation Oct. 22, 2013
8556049 Damping force controlling valve assembly for shock absorber Oct. 15, 2013
8540208 Bistable valve Sep. 24, 2013
8534322 Hydraulic directional valve Sep. 17, 2013
8528599 Pulse width modulated solenoid Sep. 10, 2013
8523535 Adjusting valve for adjusting the delivery volume of a displacement pump Sep. 3, 2013
8517039 Fluid pressure control assembly Aug. 27, 2013
8505581 Pressure compensated electromagnetic proportional directional flow control valve Aug. 13, 2013
8459218 Adjustable-stroke solenoid valve Jun. 11, 2013
8443839 Fluid-biased hydraulic control valve with armature piston May. 21, 2013
8434514 Fluidic control element May. 7, 2013
8430185 Impact torque adjusting device of hydraulic torque wrench Apr. 30, 2013
8418723 Electromagnetic proportional flow rate control valve Apr. 16, 2013
8403002 Directional control fluid valve Mar. 26, 2013
8393345 Oil pressure control device Mar. 12, 2013
8393346 Solenoid valve and method of assembly thereof Mar. 12, 2013
8347918 Solenoid valve apparatus Jan. 8, 2013
8322376 Solenoid valve Dec. 4, 2012
8316885 Fluid supply system, especially for delivering liquid hydrocarbon to a fuel-operated vehicle heater or to a reformer Nov. 27, 2012
8316888 Fluid-biased hydraulic control valve Nov. 27, 2012
8272402 Sequential stepped directional control valve Sep. 25, 2012
8251673 Displacement control valve of a variable displacement compressor Aug. 28, 2012
8220604 Damping force variable valve and shock absorber including the same Jul. 17, 2012
8220491 Piezoelectric valve Jul. 17, 2012
8210206 Dual redundant servovalve Jul. 3, 2012
8210208 Electrically operated hydraulic valve Jul. 3, 2012
8210207 Directly piloted valve assembly Jul. 3, 2012
8205857 Pressure regulating valve Jun. 26, 2012
8205634 Hydraulic block Jun. 26, 2012
8151824 Balanced solenoid valve Apr. 10, 2012
8132594 Hydraulic valve actuated by piezoelectric effect Mar. 13, 2012
8127790 Hydraulic valve with a filter and check valve band Mar. 6, 2012
8118058 Variable frequency and amplitude dither for electronically controlled valves Feb. 21, 2012
8113482 Microvalve device with improved fluid routing Feb. 14, 2012
8104511 Sequential stepped directional control valve Jan. 31, 2012
8096321 Redundant electrohydraulic valve system Jan. 17, 2012
8082953 Solenoid valve assembly Dec. 27, 2011
8042568 Fluid controller and a method of detecting an error in a fluid controller Oct. 25, 2011
8011388 Thermally actuated microvalve with multiple fluid ports Sep. 6, 2011
8006718 Electric spool valve Aug. 30, 2011
8001993 Dead band reduction in electronically controlled valves Aug. 23, 2011

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15










 
 
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