Multiple fill level vehicle fuel system
US4958655A · kind A · utility
19Cited by
8References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 20, 1990 |
| Grant date | Sep 25, 1990 |
| Priority date | — |
| Expiry date | Feb 20, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87265
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A two fill level system uses a valve within the tank interior having a pair of different height venting inlets to the vent pipe, with a fuel level responsive seal at one inlet and a temperature responsive seal at the other inlet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.