Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shawn T. Wilson0
Date of Patent
November 16, 2010
0Patent Application Number
117675520
Date Filed
June 25, 2007
0Patent Primary Examiner
Patent abstract
A bi-directional flow control device utilizes a single moveable restrictor housed within a cartridge, the piston having a first position wherein the piston orifice provides a smallest diameter flow path through the cartridge, and a second position wherein a cartridge orifice provides a smallest diameter flow path through the cartridge. In one embodiment the device utilizes an anti-rattle mechanism for reducing rattle of the piston within the internal chamber of the cartridge.
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