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Class Information
Number: 251/251
Name: Valves and valve actuation > Mechanical movement actuator > Cam
Description: Subject matter wherein the mechanical movement actuator comprises an eccentrically mounted rotating or swinging member, the varying radii of which produce varying positions of the valve.










Sub-classes under this class:

Class Number Class Name Patents
251/262 Biased 17
251/252 Co-axial or parallel axes 74
251/257 Encased with seal 24


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8701603 Control valve unit for a liquid circuit Apr. 22, 2014
8651455 Device for converting a pivoting movement of a pinion into a translational movement of a slide, and valve comprising such a device Feb. 18, 2014
8567751 Inline aseptic valve Oct. 29, 2013
8551329 Dosing chamber Oct. 8, 2013
8544815 Flow controller Oct. 1, 2013
8474479 Multifunction relief valve and airplane emergency hydraulic power source unit having the same Jul. 2, 2013
8424842 Rotationally-actuated flapper valve and method Apr. 23, 2013
8327880 Sensor replacement valve Dec. 11, 2012
8322365 Implantable adjustable valve Dec. 4, 2012
8262061 Ball valve Sep. 11, 2012
8256461 Distribution valve and cam mechanism Sep. 4, 2012
8215330 Adjustable recirculating valve Jul. 10, 2012
8210498 Gate valve for a system for circulating cooling air through a turbomachine Jul. 3, 2012
8191859 Water flow control valve Jun. 5, 2012
8123196 Integrated valve system Feb. 28, 2012
RE42633 Spool valve for fluid control Aug. 23, 2011
7967025 Overfill protection device (OPD) Jun. 28, 2011
7950624 Water valve apparatus May. 31, 2011
7922151 Valve actuator Apr. 12, 2011
7918436 Valve element opening/closing device Apr. 5, 2011
7802424 Exhaust device in combustion engine, and motorcycle therewith Sep. 28, 2010
7793913 Valve element opening/closing device Sep. 14, 2010
7677268 Fluid distribution system for a swimming pool cleaning apparatus Mar. 16, 2010
7610932 Fluidic cartridges and end pieces thereof Nov. 3, 2009
7540303 Adjustable sealing means Jun. 2, 2009
7448357 Air induction system and assembly method for an intake manifold with a single shaft and sensor for activating air control valves Nov. 11, 2008
7418976 Method and apparatus for pneumatic regulation including a high-pressure reserve Sep. 2, 2008
7318448 Swimming pool cleaning apparatus and parts therefor Jan. 15, 2008
7306202 Apparatus for an internal combustion engine Dec. 11, 2007
7302930 Air induction system and assembly method for an intake manifold with a single shaft and sensor for activating air control valves Dec. 4, 2007
7302809 Refrigerator Dec. 4, 2007
7284742 Flow control valve Oct. 23, 2007
7278444 Valve assembly having improved pump-down performance Oct. 9, 2007
7255324 Quarter-turn diaphragm valve Aug. 14, 2007
7178699 Pinch faucet Feb. 20, 2007
7174918 Air flow control valve for vehicle air conditioning module Feb. 13, 2007
7159612 Method and apparatus for pneumatic regulation a high-pressure reserve Jan. 9, 2007
7143995 Motorized cam actuator Dec. 5, 2006
7140593 Bi-directional air flow damper having uni-directional synchronous motor Nov. 28, 2006
7077088 Desmodromic valve retrofit system with replaceable cam lobes for adjusting duration and hydraulic lifters for reliability Jul. 18, 2006
7051757 Flow system with high resolution proportional valve with customizable performance May. 30, 2006
7051691 Desmodromic valve drive May. 30, 2006
6994318 Faucet spout attachment Feb. 7, 2006
6971628 Direct-acting electric operated valve Dec. 6, 2005
6962322 Waste water valve system Nov. 8, 2005
6962319 Safety switch for a water dispenser Nov. 8, 2005
6904882 Valve mechanism, in particular for internal combustion engines of motor vehicles Jun. 14, 2005
6899171 Actuating device May. 31, 2005
6886546 Rotary-actuator EGR valve having compliant seal/bushing May. 3, 2005
6860295 Variable rate dispensing apparatus Mar. 1, 2005

1 2 3 4 5










 
 
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