Vent and rollover valve and fuel pump module
US6634341B2 · kind B2 · utility
20Cited by
30References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 2001 |
| Grant date | Oct 21, 2003 |
| Priority date | — |
| Expiry date | Oct 12, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/0874
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A high flow rate fuel vapor vent and rollover valve assembly with a float valve that provides a progressive closing of a vapor outlet to control the venting of fuel vapors from a fuel tank and the addition of liquid fuel to the tank. The float closes a portion of the vapor outlet in response to liquid fuel at a first level in a vehicle fuel tank. A body completely closes the vapor outlet in response to rollover attitudes of the vehicle. One or more separate baffles are constructed and arranged to prevent the escape of liquid fuel through the vapor outlet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.