Fuel fill vapor recovery system with vapor recirculation
US4762156A · kind A · utility
25Cited by
11References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 16, 1987 |
| Grant date | Aug 9, 1988 |
| Priority date | — |
| Expiry date | Jul 16, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60K15/03504
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An on board refueling vapor recovery system employs a recirculation line and a regulating valve to prevent the entrainment of atmospheric air into the fuel, without the use of a tight or rubbing seal around the fuel nozzle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.