Title:
VALVE BLOCK FOR HYDROGEN GAS, AND METHOD FOR PRODUCTION THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/140877
Kind Code:
A1
Abstract:
Disclosed is a valve block for hydrogen gas comprising: a valve block body, the outer surface thereof being treated with aluminum anodization; and a flow path for hydrogen gas formed in the valve block body. The flow path has a sealing surface on the inner surface thereof, and the sealing surface is a machined surface.
Inventors:
SUZUKI YUTAKA
NINOMIYA MAKOTO
OKAMOTO MASAYOSHI
YAMASHITA HIROSHI
INOUE MASAAKI
NINOMIYA MAKOTO
OKAMOTO MASAYOSHI
YAMASHITA HIROSHI
INOUE MASAAKI
Application Number:
PCT/JP2020/047486
Publication Date:
July 15, 2021
Filing Date:
December 18, 2020
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
F16K27/00; C25D11/00; C25D11/04; C25D11/16
Foreign References:
| JP2015102111A | 2015-06-04 | |||
| JP2001023908A | 2001-01-26 | |||
| JP2007278460A | 2007-10-25 | |||
| JP6258016B2 | 2018-01-10 |
Other References:
See also references of EP 4089305A4
Attorney, Agent or Firm:
ISHIDA, Shoji (JP)
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