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Class Information
Number: 137/625.66
Name: Fluid handling > Systems > Multi-way valve unit > Supply and exhaust > Motor-operated > Fluid motor
Description: Device in which the motor is actuated by a fluid.










Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8689832 Volume booster with reduced noise trim Apr. 8, 2014
8678033 Proportional valve employing simultaneous and hybrid actuation Mar. 25, 2014
8631826 Volume booster with stabilized trim Jan. 21, 2014
8590571 Latching valve Nov. 26, 2013
8528600 Hydraulic valve Sep. 10, 2013
8511346 Control valve for a camshaft adjuster Aug. 20, 2013
8490640 Latching pressure regulator Jul. 23, 2013
8474487 Latching valve Jul. 2, 2013
8464757 Hydraulic valve device Jun. 18, 2013
8453679 Hydraulic valve device Jun. 4, 2013
8418722 Pressure-regulator servovalve with reduced leakage rate Apr. 16, 2013
8327884 Regulator valve Dec. 11, 2012
8322375 Control device and hydraulic pilot control Dec. 4, 2012
8312895 Solenoid valve device Nov. 20, 2012
8267120 Control valve assembly for load carrying vehicles Sep. 18, 2012
8245729 Exhaust venting for a fluid control device Aug. 21, 2012
8215408 Actuation system for well tools Jul. 10, 2012
8205632 Fluid flow control device Jun. 26, 2012
8201580 High flow capacity positioner Jun. 19, 2012
8186158 Variable turbo supercharger and method of driving the same May. 29, 2012
8156962 Microvalve device Apr. 17, 2012
8069928 Percussion device, drilling machine including such a percussion device and method for controlling such a percussion device Dec. 6, 2011
8047222 Air valve for an air driven reciprocating device Nov. 1, 2011
8042568 Fluid controller and a method of detecting an error in a fluid controller Oct. 25, 2011
8011387 Pressure control device for heavy equipment Sep. 6, 2011
7980269 Control valve assembly for load carrying vehicles Jul. 19, 2011
7926512 Stepper motor driven proportional fuel metering valve Apr. 19, 2011
7726340 Flexible, hermetic pivot seal for torque motor Jun. 1, 2010
7721758 Valve with increased dynamic response May. 25, 2010
7713033 Double-acting, duplex pump controlled by two, two position spool valves May. 11, 2010
7686039 Cartridge valve assembly Mar. 30, 2010
7647940 Device and method for pneumatic valve control Jan. 19, 2010
7637280 Dual-inlet selective flow regulating valve Dec. 29, 2009
7637281 Pilot controlled pulse valve Dec. 29, 2009
7614529 Spool valve and valve seat assembly for an intermittently operable hot melt adhesive material control module Nov. 10, 2009
7540230 Three-way poppet valve for work exchanger Jun. 2, 2009
7458396 Method and device for flow switchover Dec. 2, 2008
7455074 Latchable electrohydraulic servovalve Nov. 25, 2008
7389795 Valve assembly Jun. 24, 2008
7380571 Directional control valve Jun. 3, 2008
7367785 Reduced icing valves and gas-driven motor and reciprocating pump incorporating same May. 6, 2008
7337806 Stepper motor driven proportional fuel metering valve Mar. 4, 2008
7337807 Hydraulic control valve with regeneration function Mar. 4, 2008
7306009 Hydraulic control valve Dec. 11, 2007
7225719 Speed governor and distributing valve for hydraulic turbines Jun. 5, 2007
7210502 Microvalve device suitable for controlling a variable displacement compressor May. 1, 2007
7124778 Valve having junction type housing Oct. 24, 2006
7125229 Reciprocating air distribution system Oct. 24, 2006
7080663 Valve assembly Jul. 25, 2006
7063517 Valve apparatus and pneumatically driven diaphragm pump incorporating same Jun. 20, 2006

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