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Class Information
Number: 251/77
Name: Valves and valve actuation > Lost motion between actuator and valve
Description: Subject matter wherein the connection between the actuator and valve is such that during part of its valve- actuating travel the actuator or a part thereof may move without producing any movement of the valve.










Sub-classes under this class:

Class Number Class Name Patents
251/82 Check valve with external opening and closing means 127
251/78 Lever 35
251/79 Overload release 16


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8690121 Differential screw assembly for varying torque for valve Apr. 8, 2014
8616521 Fail safe retaining plug assembly for a slam-shut safety device Dec. 31, 2013
8602383 Suck-back valve Dec. 10, 2013
8523140 Handwheel torque limitor Sep. 3, 2013
8499794 Liquid channel device and production method therefor Aug. 6, 2013
8480054 Tortionally stiff, thermally isolating shaft coupling with multiple degrees of freedom to accommodate misalignment Jul. 9, 2013
8474786 Valve stem and valve plug apparatus for use with fluid regulators Jul. 2, 2013
8403293 Axially energisable ball valve Mar. 26, 2013
8308129 Coupling Nov. 13, 2012
8262059 Handwheel torque limitor Sep. 11, 2012
8215611 Solenoid valve having a two piece moving valve element Jul. 10, 2012
8210494 Method and apparatus for manually opening a valve with a tolerance compensating stem Jul. 3, 2012
8146883 Apparatus to connect a valve stem to a valve member Apr. 3, 2012
8066026 Diaphragm controlled bypass valve Nov. 29, 2011
8028712 Diaphragm controlled bypass valve Oct. 4, 2011
7921870 Slurry valve clutch mechanism Apr. 12, 2011
7918435 Combination gravimetric and volumetric dispenser for multiple fluids Apr. 5, 2011
7905249 Proportional pressure control valve comprising a pressure jump in the characteristic p/l curve thereof Mar. 15, 2011
7882836 Diaphragm valve for a respirator Feb. 8, 2011
7878480 System and method for controlling a solenoid valve, particularly for a system for variable actuation of the valves of an internal combustion engine according to a multi-lift mode Feb. 1, 2011
7819378 Floating plug gate valve Oct. 26, 2010
7762523 Miniaturized double latching solenoid valve Jul. 27, 2010
7740228 Valve assembly including a torsion spring coupling a valve shaft and actuator shaft Jun. 22, 2010
7735802 Damper device Jun. 15, 2010
7730906 Solenoid with path converter Jun. 8, 2010
7726626 Damper device Jun. 1, 2010
7726627 Damper device Jun. 1, 2010
7677529 Electromechanical oxygen valve and regulator Mar. 16, 2010
7584936 Torque limiting hand wheel Sep. 8, 2009
7584938 Side loaded valve assembly Sep. 8, 2009
7581710 Thermally isolated actuator with temporary contacting linkage for an exhaust valve Sep. 1, 2009
7537194 Flow control valve May. 26, 2009
7487789 Gaseous fluid metering valve Feb. 10, 2009
7445137 Dispenser for refrigerator Nov. 4, 2008
7401760 Vacuum regulating valve Jul. 22, 2008
7290753 Torque sensitive diaphragm valve Nov. 6, 2007
7163193 Water flow-controlling device for a cooling system of a vehicle Jan. 16, 2007
7143993 Exhaust gas recirculation valve having a rotary motor Dec. 5, 2006
7086636 Gaseous fluid metering valve Aug. 8, 2006
7032877 Actuator for reversibly displacing a valve flap of a valve Apr. 25, 2006
7028705 High torque failsafe valve operator Apr. 18, 2006
7017882 Valve assembly Mar. 28, 2006
7004445 Mechanical override for a valve actuator Feb. 28, 2006
6991218 Control valve with retained pin for easy valve trim maintenance Jan. 31, 2006
6953184 Rotary damper assembly Oct. 11, 2005
6953158 Fuel injection valve Oct. 11, 2005
6938597 Variable spring force intake valve assembly Sep. 6, 2005
6923427 Motor-operated valve Aug. 2, 2005
6837266 Remotely actuated multiple pressure direct acting relief valve Jan. 4, 2005
6736092 Internal-combustion engine with an electronically controlled hydraulic system for actuation of the valves and means for compensating changes in the operating conditions of the hydraulic May. 18, 2004

1 2 3 4 5










 
 
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