Overpressure shutoff and relief valve assembly
US8336571B2 · kind B2 · utility
0Cited by
12References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 2009 |
| Grant date | Dec 25, 2012 |
| Priority date | — |
| Expiry date | Aug 15, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87965
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve assembly is provided. The valve assembly comprises a housing having an inlet, a first outlet, and a passageway extending therebetween, the passageway having a first inner diameter at the inlet and a second inner diameter at the first outlet, a first poppet valve disposed in, and adapted to selectively seal, the inlet, a second poppet valve disposed in, and adapted to selectively seal, the first outlet, the second poppet valve coupled to the first poppet valve, and a biasing member coupled to the second poppet valve, the biasing member adapted to exert a force sealing the second poppet valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.