Electromagnet and reed-type valve assembly

A valving assembly for variably restricting fluid flow, comprising housing means, electrical field coil means for creating a magnetic field flux, wherein said field coil means comprises a cross-sectional longitudinal axis, pole piece means, a valve seat, fluid flow passage means formed through said valve seat, a movable valve, armature means, said resilient means normally operatively resiliently urging said valve toward operative seating engagement with said valve seat as to thereby terminate flow of said fluid through said fluid flow passage means, wherein said electrical field coil means upon being energized is effective to create said magnetic field flux and cause said armature means to move said valve in a direction away from said valve seat to thereby permit flow of said fluid through said fluid flow passage means, and wherein as said valve moves in said direction away from said valve seat said valve is moving in a direction generally transverse to said cross-sectional longitudinal axis, and further comprising fluid swirl chamber means communicating with said fluid flow passage means downstream thereof, wherein said swirl chamber means comprises an axis extending generally in the direction of flow of said fluid through said swirl chamber means, and wherein said fluid flow passage means is formed as to have an axis of flow therethrough skew to said axis of said swirl chamber.

A valving assembly for variably restricting fluid flow, comprising housing means, electrical field coil means for creating a magnetic field flux, wherein said field coil means comprises a cross-sectional longitudinal axis, pole piece means, a valve seat, fluid flow passage means formed through said valve seat, a movable valve, armature means, and resilient means normally operatively resiliently urging said valve toward operative seating engagement with said valve seat as to thereby terminate flow of said fluid through said fluid flow passage means, wherein said electrical field coil means upon being energized is effective to create said magnetic field flux and cause said armature means to move said valve in a direction away from said valve seat to thereby permit flow of said fluid through said fluid flow passage means, and wherein as said valve moves in said direction away from said valve seat said valve is moving in a direction generally transverse to said cross-sectional longitudinal axis, wherein said field coil means is of a ring-like configuration having a central axis, wherein said central axis comprises said longitudinal axis, and further comprising a second valve seat, wherein said fluid flow passage means comprises first and second fluid flow passages, wherein said first fluid flow passage is formed through the first mentioned valve seat, wherein said second fluid flow passage is formed through said second valve seat, a second movable valve, wherein said armature means comprises first and second armatures, wherein said first armature is effective to move the first mentioned valve in said direction away from said first mentioned valve seat, wherein said resilient means comprises first and second resilient members, wherein said first resilient member is effective for normally operatively resiliently urging said first mentioned valve toward seating engagement with said first mentioned valve seat, wherein said second resilient member is effective for normally urging said second valve toward operative seating engagement with said second valve seat as to thereby terminate flow of said fluid through said second fluid flow passage, wherein said electrical field coil means upon being energized is effective to create said magnetic field flux and cause said second armature to move said second valve in a direction away from said second valve seat to thereby permit flow of said fluid through said second fluid flow passage, and wherein as said second valve moves in said direction away from said second valve seat said second valve is moving in a direction generally transverse to said cross-sectional longitudinal axis.

A valving assembly for variably restricting fluid flow, comprising housing means, electrical field coil means for creating a magnetic field flux, wherein said field coil means comprises a cross-sectional longitudinal axis, pole piece means, a valve seat, fluid flow passage means formed through said valve seat, a movable valve, armature means, said resilient means normally operatively resiliently urging said valve toward operative seating engagement with said valve seat as to thereby terminate flow of said fluid through said fluid flow passage means, wherein said electrical field coil means upon being energized is effective to create said magnetic field flux and cause said armature means to move said valve in a direction away from said valve seat to thereby permit flow of said fluid through said fluid flow passage means, and wherein as said valve moves in said direction away from said valve seat said valve is moving in a direction generally transverse to said cross-sectional longitudinal axis, wherein said armature means is secured to and carried by said resilient means, wherein said housing means comprises a chamber, wherein said resilient means comprises spring means having first and second spring ends, wherein said armature means is secured to and carried along said first spring end, and further comprising spring holder means, said spring holder means being formed to locate and position said spring means relative thereto, and said spring holder means and said spring means being received within said chamber whereby said spring means is retained in operating position by virtue of being contained between a portion of a wall defining said chamber and said spring holder means, wherein said spring holder means comprises conduit means for receiving said fluid from an associated source of said fluid and directing said fluid to areas within said housing means for subsequent flow through said fluid passage means.

A valving assembly for variably restricting fluid flow, comprising housing means, electrical field coil means for creating a magnetic field flux, wherein said field coil means comprises a cross-sectional longitudinal axis, pole piece means, a valve seat, fluid flow passage means formed through said valve seat, a movable valve, armature means, and resilient means normally operatively resiliently urging said valve toward operative seating engagement with said valve seat as to thereby terminate flow of said fluid through said fluid flow passage means, wherein said electrical field coil means upon being energized is effective to create said magnetic field flux and cause said armature means to move said valve in a direction away from said valve seat to thereby permit flow of said fluid through said fluid flow passage means, and wherein as said valve moves in said direction away from said valve seat said valve is moving in a direction generally transverse to said cross-sectional longitudinal axis, wherein said field coil means is of a ring-like configuration having a central axis, wherein said central axis comprises said longitudinal axis, wherein said resilient means comprises a cantilever-like spring arm, wherein said armature means is operatively connected to said spring arm as to have a swingable end, and wherein said movable valve is operatively connected to said armature means at an area thereof which is at least closely situated to said swingable end of said armature means, wherein said movable valve is operatively connected to said armature means by retainer means, wherein said retainer means comprises a retainer body separate from and carried by said armature means, wherein said retainer body is provided with a void-like chamber formed therein, and wherein said movable valve is at least in most part contained in said chamber as to be situated between said armature means and said valve means.

A valving assembly for variably restricting fluid flow, comprising housing means, electrical field coil means for creating a magnetic field flux, a plurality of cantilever valving members, a valve holder for positioning and holding said valving members, and a valve seat member, wherein said housing means comprises inlet conduit means for connection to a source of said fluid, chamber means formed in said housing means and in general communication with said inlet conduit means, wherein said housing means comprises bobbin means, wherein said field coil means is carried by said bobbin means in a manner generally circumscribing said chamber means, first and second pole piece means at least partly situated in said chamber means, wherein said valve holder and said cantilever valving members are received by said chamber means, wherein said valve holder comprises first and second holder ends, second conduit means formed through said valve holder and opening through said first holder end, said first holder end being situated as to place said second conduit means in communication with said inlet conduit means, said valve seat member comprising outlet conduit means formed therein, a plurality of valve seat surfaces, a plurality of fluid metering passages formed through said valve seat surfaces and communicating with said outlet conduit means, wherein said plurality of valving members are effective for opening and closing flow of said fluid through said plurality of fluid metering passages, wherein said valve seat member is operatively connected to said second holder end, wherein said valve seat member is situated between s id first and second pole piece means, and wherein said plurality of valving members are each situated between said valve holder and said electrical field coil means and between said valve seat member and said pole piece means.

A valving assembly for variably restricting fluid flow, comprising housing means, electrical field coil means for creating a magnetic field flux, wherein said field coil means comprises a cross-sectional longitudinal axis, pole piece means, a valve seat, fluid flow passage means formed through said valve seat, a movable valve, armature means, and resilient means normally operatively resiliently urging said valve toward operative seating engagement with said valve seat as to thereby terminate flow of said fluid through said fluid flow passage means, wherein said electrical field coil means upon being energized is effective to create said magnetic field flux and cause said armature means to move said valve in a direction away from said valve seat to thereby permit flow of said fluid through said fluid flow passage means, and wherein as said valve moves in said direction away from said valve seat said valve is moving in a direction generally transverse to said cross-sectional longitudinal axis, wherein said field coil means is of a ring-like configuration having a central axis, wherein said central axis comprises said longitudinal axis, wherein said resilient means comprises a cantilever-like spring arm, wherein said armature means is operatively connected to said spring arm as to have a swingable end, and wherein said movable valve is operatively connected to said armature means at an area thereof which is at least closely situated to said swingable end of said armature means, and further comprising fluid swirl chamber means communicating with said fluid flow passage means downstream thereof, wherein said swirl chamber means comprises an axis extending generally in the direction of flow of said fluid through said swirl chamber means, and wherein said fluid flow passage means is formed as to have an axis of flow therethrough skew to said axis of said swirl chamber.

A valving assembly for variably restricting fluid flow;

• comprising housing means, electrical field coil means for creating a magnetic fluid flux, wherein said field coil means comprises a cross-sectional longitudinal axis, pole piece means, a valve seat, fluid flow passage means formed through said valve seat, a movable valve, armature means, and resilient means normally operatively resiliently urging said valve toward operative seating engagement with said valve seat as to thereby terminate flow of said fluid through said fluid flow passage means, wherein said electrical field coil means upon being energized is effective to create said magnetic field flux and cause said armature means to move said valve in a direction away from said valve seat to thereby permit flow of said fluid through said fluid flow passage means, and wherein as said valve moves in said direction away from said valve seat said valve is moving in a direction generally transverse to said cross-sectional longitudinal axis, wherein said armature means is secured to and carried by said resilient means, wherein said housing means comprises a chamber, wherein said resilient means comprise spring means having first and second spring ends, wherein said armature means is secured to and carried along said first spring end, and further comprising spring holder means, said spring holder means being formed to locate and position said spring means relative thereto, and said spring holder means and said spring means being received within said chamber whereby said spring means is retained in operating position by virtue of being contained between a portion of a wall defining said chamber and said spring holder means, wherein said spring means comprises a spring member formed of flat spring stock and having a swingably deflectable end, wherein said armature means is secured to said spring member as to move in swingable unison with said swingably deflectable end, wherein said spring holder means comprises conduit means for receiving said fluid from an associated source of said fluid and directing said fluid to areas within said housing means for subsequent flow through said fluid flow passage means.