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US 10,472,926 B2Granted
Pressurized seat check valve
AssigneeBaker Hughes, A Ge Company, LLC
InventorsDo Seo Park, Marc Samuelson, Zhi Yong He, Gregory Armstrong, Donavan Holland Brown
Life of this patent
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Abstract
A pressurized seat check valve including a flexible frustoconical seat having a back surface configured for exposure to upstream pressure, a closure member in sealable communication with the seat, the closure member being biased into contact with the seat and, in use, the seat being deflected toward the closure member by the exposure to upstream pressure.
Claims12
A pressurized seat check valve comprising:
- a flexible frustoconical seat having a back surface configured for exposure to upstream pressure;
- a closure member being biased into sealable contact with the seat and, in use, the seat being deflected toward the closure member by the exposure to upstream pressure, the closure member being pushed off the seat upon upstream pressure exceeding a cracking pressure of the valve.
Dependencies are inferred from the claim text.