High pressure valve for hydrogen gas and decompression device for hydrogen gas
US7730905B2 · kind B2 · utility
13Cited by
39References
4Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 23, 2008 |
| Grant date | Jun 8, 2010 |
| Priority date | — |
| Expiry date | Jan 23, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87917
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A high pressure valve for hydrogen gas includes a valve seat and a valve member, which is movable to selectively open and close the valve seat. One of the valve member and the valve seat is formed of austenitic stainless steel, and the other one of the valve member and the valve seat is formed of flexible synthetic resin or soft metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.