Double check valve for a fuel system
US8091583B2 · kind B2 · utility
9Cited by
14References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2006 |
| Grant date | Jan 10, 2012 |
| Priority date | — |
| Expiry date | Jul 31, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7837
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a valve having a housing formed with a downstream port and an upstream port, with an axially displaceable plunger biased into sealing engagement of a major flow path extending between the downstream port and the upstream port for admitting flow only in the upstream direction, with the plunger formed having a normally closed minor flow path for admitting flow only in a downstream direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.