Title:
VALVE SEAT BODY AND VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/032713
Kind Code:
A1
Abstract:
Disclosed is a valve device (20) provided with a valve body (4) and a valve seat body (5). The valve seat body (5) has a thick cylindrical shape extending in the axial direction (Z), wherein the valve seat body comprises, on its outer peripheral surface, a sealing groove(59) continuing in the peripheral direction, comprises, on its inner peripheral surface, a large diameter portion (51) and a small diameter portion (52) continuing in the axial direction (Z), and comprises a valve seat portion (54) where the valve body (4) is seated, between the large diameter portion (51) and the small diameter portion (52). The position of the sealing groove (59) in the axial direction (Z) is the same as or on the high pressure side of the position of the valve seat portion (54) in the axial direction (Z).
Inventors:
SUZUKI YUTAKA
NOMICHI KAORU
NINOMIYA MAKOTO
NOMICHI KAORU
NINOMIYA MAKOTO
Application Number:
PCT/JP2011/004547
Publication Date:
March 15, 2012
Filing Date:
August 11, 2011
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
SUZUKI YUTAKA
NOMICHI KAORU
NINOMIYA MAKOTO
SUZUKI YUTAKA
NOMICHI KAORU
NINOMIYA MAKOTO
International Classes:
F16K1/38; F16K1/42
Foreign References:
| JPH0378011A | 1991-04-03 | |||
| JPH07190007A | 1995-07-28 | |||
| JPH04103423A | 1992-04-06 | |||
| JP2005307972A | 2005-11-04 | |||
| JP2006002861A | 2006-01-05 |
Other References:
See also references of EP 2615339A4
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
Patent business corporation Owner old patent firm (JP)
Patent business corporation Owner old patent firm (JP)
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Claims:
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