Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoon-Chul Kim0
Date of Patent
January 8, 2013
0Patent Application Number
128474250
Date Filed
July 30, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A butterfly valve comprises a valve body, a seat ring mounted on a flow passage of the valve body, a disc rotatably mounted to the valve body and configured to open and close the flow passage by being attached to the seat ring; and a driving device configured to linearly move and rotate the disc so as to prevent interference between the disc and the seat ring when the flow passage of the valve body is open and closed.
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