Invention Grant
- Patent Title: Seal arrangement for valve
- Patent Title (中): 阀门密封装置
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Application No.: US14000474Application Date: 2012-07-04
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Publication No.: US09267606B2Publication Date: 2016-02-23
- Inventor: Terje Håland
- Applicant: Terje Håland
- Applicant Address: NO Randaberg
- Assignee: Terje Haland AS
- Current Assignee: Terje Haland AS
- Current Assignee Address: NO Randaberg
- Agency: Andrus Intellectual Property Law, LLP
- Priority: NO20111487 20111101
- International Application: PCT/NO2012/050131 WO 20120704
- International Announcement: WO2013/066187 WO 20130510
- Main IPC: F16K5/06
- IPC: F16K5/06 ; F16K5/20
Abstract:
A valve seat arrangement (4) in a hydraulic valve (1) provided with a bidirectional secondary barrier (5) including a first, upstream seal (51) and a second, downstream seal (52) and an intermediate, axially movable seal-supporting element (53), the seal-supporting element (53) including, at a first end, an annular first seal abutment (531) surrounded by a second supporting abutment surface (534) displaced in the axial direction towards a valve seat (42); and the seal-supporting element (53) including, at a second end, an annular second seal abutment (532) surrounding a first supporting abutment surface (532) displaced in the axial direction away from the valve seat (42).
Public/Granted literature
- US20140239212A1 Seal Arrangement For Valve Public/Granted day:2014-08-28
Information query
