Title:
DOUBLE PISTON EFFECT LIP SEAL SEATING ASSEMBLIES
Document Type and Number:
WIPO Patent Application WO/2016/109485
Kind Code:
A3
Abstract:
A valve including a double piston effect seat assembly with unidirectional lip seals is provided. In one embodiment, a valve includes a ball (20) disposed in a cavity (58, 98) of a hollow valve body (12). The ball includes a flow port (22) and is rotatable to control flow through the valve. The valve also includes a seat assembly (26, 34, 76) having a seat (38, 80) in contact with the ball, a ring (40, 82) positioned on an opposite side of the seat from the ball, and unidirectional lip seals (46, 48, 50, 90, 92, 94). The seat assembly is a double piston seat assembly, with the double piston effect provided by the arrangement of the seat, the ring, and the unidirectional lip seals. Additional valve systems, devices, and methods are also disclosed.
Inventors:
RICARD PHILIPPE ODE DANIEL (FR)
AVDJIAN CHRISTOPHE
AVDJIAN CHRISTOPHE
Application Number:
PCT/US2015/067792
Publication Date:
August 25, 2016
Filing Date:
December 29, 2015
Export Citation:
Assignee:
CAMERON INT CORP (US)
International Classes:
F16K5/20
Foreign References:
| US20140239212A1 | 2014-08-28 | |||
| US20030178595A1 | 2003-09-25 | |||
| US20140054483A1 | 2014-02-27 | |||
| US20120145938A1 | 2012-06-14 |
Attorney, Agent or Firm:
EUBANKS, L. Lee; IV. (9720 Cypresswood Dr.Suite 24, Houston Texas, US)
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