US2005092376A1PendingUtilityA1

Three port -two way solenoid valve

Assignee: DELPHI TECH INCPriority: Apr 25, 2003Filed: Dec 3, 2004Published: May 5, 2005
Est. expiryApr 25, 2023(expired)· nominal 20-yr term from priority
Inventors:Alexis C. Weber
F16K 31/0665Y10T137/87217
40
PatentIndex Score
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Cited by
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References
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Claims

Abstract

A valve assembly for use with a solenoid having a plunger being actuatable from a first position to a second position, comprising: a housing, comprising a first port, a second port and a third port and a central opening being defined by a plurality of first channels, a plurality of second channels and a reduced opening disposed between the plurality of first channels and the plurality of second channels; a movable element disposed within the central opening, the movable element being moved when the plunger moves from the first position to the second position; wherein the first port is in fluid communication with the second port via the plurality of first channels when the plunger is in the first position; and wherein the first port is in fluid communication with the third port via the plurality of second channels, the reduced opening and the plurality of first channels when the plunger is in the second position.

Claims

exact text as granted — not AI-modified
1 . A valve assembly for use with a solenoid having a plunger being actuatable from a first position to a second position, comprising: 
 a housing, comprising a first port, a second port and a third port and a central opening being defined by a plurality of first channels, a plurality of second channels and a reduced opening disposed between said plurality of first channels and said plurality of second channels;    a movable element disposed within said central opening, said movable element being moved when the plunger moves from the first position to the second position;    wherein said plurality of first channels are disposed on either said housing or a portion of said movable element,    wherein an axis of said central opening is aligned with an axis of said movable element and an axis upon which the plunger moves,    wherein said first port is in fluid communication with said second port via said plurality of first channels when the plunger is in the first position; and    wherein said first port is in fluid communication with said third port via said plurality of second channels, said reduced opening and said plurality of first channels when the plunger is in the second position.    
   
   
       2 . The valve assembly as in  claim 1 , wherein said movable element comprises a head portion, a main body portion and an actuating tip, wherein said head portion seals said plurality of first channels from said second port when the plunger is in the second position and said actuating tip enables fluid communication between said plurality of first channels and said plurality of second channels.  
   
   
       3 . The valve assembly as in  claim 1 , wherein said first port comprises a pair of control ports, and said second port comprises a pair of exhaust ports, and said third port is a supply port.  
   
   
       4 . (canceled)  
   
   
       5 . The valve assembly as in  claim 1 , wherein said first port comprises a pair of control ports orthogonally positioned with respect to said central opening and said second port comprises a pair of exhaust ports orthogonally positioned with respect to said pair of control ports, and said third port is a supply port.  
   
   
       6 . (canceled)

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