Invention Grant
- Patent Title: Trunnion ball valve for high pressure, and hydrogen station
- Patent Title (中): 耳轴球阀用于高压,氢气站
-
Application No.: US14378722Application Date: 2013-02-28
-
Publication No.: US09546736B2Publication Date: 2017-01-17
- Inventor: Osamu Watanabe , Tetsuya Watanabe
- Applicant: KITZ CORPORATION
- Applicant Address: JP Chiba
- Assignee: KITZ CORPORATION
- Current Assignee: KITZ CORPORATION
- Current Assignee Address: JP Chiba
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2012-041912 20120228; JP2012-192124 20120831
- International Application: PCT/JP2013/055367 WO 20130228
- International Announcement: WO2013/129560 WO 20130906
- Main IPC: F16K5/06
- IPC: F16K5/06 ; F16K5/22 ; F16K27/06 ; F16K31/60 ; F16K5/20 ; F16K25/00

Abstract:
A trunnion ball valve includes a ball provided inside a body main unit in a freely rotatable manner; and a seal mechanism provided on positions on both sides of the ball so as to be in seal contact with the ball, the seal mechanism including: a seat retainer having a sealing surface that is to be in seal contact with a ball surface of the ball; a spring member provided for applying elastic force on a sealing surface side; and a sealing member provided on an outer surface of the seat retainer.
Public/Granted literature
- US20160025231A1 TRUNNION BALL VALVE FOR HIGH PRESSURE, AND HYDROGEN STATION Public/Granted day:2016-01-28
Information query