Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kermit L. Achterman0
Date of Patent
March 17, 2009
0Patent Application Number
121707210
Date Filed
July 10, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present flow shutoff valve comprises a flow metering sleeve positioned within a flow passage. The sleeve and a housing of the valve define an annular space. The sleeve includes a flow metering aperture downstream of the annular space. A valve member is slidably mounted within the sleeve. The valve member is movable between a no flow position, a normal flow position and a shutoff position. The valve is self cleaning, so that it reduces the buildup of sediment within the valve.
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