Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Arthur R. Yeary0
Hans D. Baumann0
James P. Azzinaro0
Date of Patent
March 17, 2015
0Patent Application Number
133676470
Date Filed
February 7, 2012
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A differential pressure sealing device for use with ball valves that utilizes the pressure of the fluid being communicated in a piping system to increase the sealing force created by the sealing device. Fluid being communicated through a ball valve is provided to a sealing device that includes some type of element for creating a bias force. The pressure of the fluid being communicated increases the sealing pressure created by the sealing device. In this manner, the bias force created in the sealing device benefits from the pressure of the fluid being communicated to enhance the sealing when used with a ball valve or similar component.
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