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Class Information
Number: 251/58
Name: Valves and valve actuation > Fluid actuated or retarded > With mechanical movement between actuator and valve
Description: Subject matter wherein a mechanical movement is interposed between the fluid pressure actuator and the valve.










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

Patent Number Title Of Patent Date Issued
8667887 Actuator for a closing element of a valve Mar. 11, 2014
8662469 Power assisted on/off valve Mar. 4, 2014
8613198 Method and apparatus for controlling compressor bleed airflow of a gas turbine engine using a butterfly valve assembly Dec. 24, 2013
8534317 Hydraulically controlled barrier valve equalizing system Sep. 17, 2013
8523139 Selector valve operating mechanism for working vehicle Sep. 3, 2013
8517333 Fluid actuated valve with hall position sensor Aug. 27, 2013
8464999 Service regulator vent Jun. 18, 2013
8376311 Valve adjustment assembly Feb. 19, 2013
8322575 Device for dispensing a heated liquid Dec. 4, 2012
8322685 Non-collinear valve actuator Dec. 4, 2012
8281803 Balanced port housing with integrated flow conditioning Oct. 9, 2012
8262057 Flow controlled actuator apparatus for use with self-closing stop valves Sep. 11, 2012
8256452 Gas regulator flow boost cartridge Sep. 4, 2012
8201716 Dispenser with replaceable actuators and related methods Jun. 19, 2012
8157241 Methods and apparatus for regulating gas turbine engine fluid flow Apr. 17, 2012
8136741 Fuel injection device for an internal combustion engine using direct fuel injection Mar. 20, 2012
8128057 Methods and apparatus for regulating gas turbine engine fluid flow Mar. 6, 2012
8104649 Device for dispensing a heated liquid Jan. 31, 2012
8091858 Shut-off system for large conduit cross-sections, having a swing flap Jan. 10, 2012
8074684 Seat height control system Dec. 13, 2011
8056466 Pneumatic actuator, in particular for valves Nov. 15, 2011
8047226 Pressure relief valves and pneumatic control systems Nov. 1, 2011
7934694 Actuator with spring return piston May. 3, 2011
7856333 Method for commissioning actuators Dec. 21, 2010
7823752 Device for dispensing a heated liquid Nov. 2, 2010
7712723 Lever positioning device for valve actuator May. 11, 2010
7694855 Dispenser having a pivoting actuator assembly Apr. 13, 2010
7677528 Controller Mar. 16, 2010
7661650 Collet biasing device for valve actuator Feb. 16, 2010
7540467 Actuator assembly with rotational coupler in-line with rotational valve shaft Jun. 2, 2009
7506662 One-way fluid valve Mar. 24, 2009
7401759 Single-effect submarine actuator for operating valves Jul. 22, 2008
7390310 Shunt valve locking mechanism Jun. 24, 2008
7303176 Controller Dec. 4, 2007
7300035 Valve, actuator and control system therefor Nov. 27, 2007
7266891 Method for sealing a throttle valve housing Sep. 11, 2007
7163194 Actuator for rotor valve Jan. 16, 2007
7156364 Lever drive for a cryogenic valve Jan. 2, 2007
6986499 Valve, actuator and control system therefor Jan. 17, 2006
6929237 Valve actuation system and methods for pipeline valves Aug. 16, 2005
6892752 Pipeline isolating device May. 17, 2005
6883474 Electrohydraulic engine valve actuator assembly Apr. 26, 2005
6883320 Control system regulating air flow to engine intake Apr. 26, 2005
6880568 Pressure relief system with multi-port valve Apr. 19, 2005
6871833 Disc drive shocking station with high speed spool valve actuation Mar. 29, 2005
6854478 Fluid-controlled valve for pipeline pig Feb. 15, 2005
6840493 Valve actuator Jan. 11, 2005
6793194 Rotary valve actuator Sep. 21, 2004
6789561 Excess-flow valve Sep. 14, 2004
6783114 Cable assembly and air outflow valve incorporating the same Aug. 31, 2004

1 2 3 4 5 6 7 8










 
 
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