Solenoid fuel drain valve
US6974120B2 · kind B2 · utility
7Cited by
13References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 9, 2003 |
| Grant date | Dec 13, 2005 |
| Priority date | — |
| Expiry date | Jan 14, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/88038
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A solenoid fuel drain valve (2) comprising a valve body (4), having a drain hole (20) and an air inlet opening (22), a solenoid coil (10) and a piston, the drain hole (20) having a drain inlet (20) and a drain outlet (15); and the piston being arranged within the valve body (4) to be moveable between a closed condition, wherein the drain hole (20) and the air inlet opening (22) are sealed, and an open condition, wherein the drain hole (20) and the air inlet opening (22) are open, movement of the piston being controlled by the solenoid (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.