Device for conveying fuel out of a tank and to a combustion engine
US7278402B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 5, 2004 |
| Grant date | Oct 9, 2007 |
| Priority date | — |
| Expiry date | Aug 5, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/2607
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A diaphragm valve having a first chamber and a second chamber, which is separated from the first chamber by means of a valve member which cooperates with a valve seat. A first connecting conduit situated in the vicinity of the valve seat feeds into the first chamber. To enable the diaphragm valve to be used as a pressure control valve, the valve member has a through conduit that connects the first connecting conduit to the second chamber of the pressure control valve when the pressure control valve is closed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.