Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Allan Bo Andersson0
Date of Patent
March 17, 2015
Patent Application Number
13608516
Date Filed
September 10, 2012
Patent Citations Received
Patent Primary Examiner
Patent abstract
A check valve is provided for use with variable frequency drives and other applications. In one aspect, the check valve provides a poppet guided by a poppet guide in at least two locations to ensure stability between fully open and fully closed positions. In another aspect, the check valve includes a poppet guide adapted to receive a poppet in a stem receiving channel, the stem receiving channel including guide vanes engaging the poppet and auxilliary channels for self cleaning.
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