Fuel tank venting system with liquid collection and active purging
US11780323B1 · kind B1 · utility
0Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2022 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Jun 7, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60K2015/03514
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A fuel tank system includes a fuel tank and a fuel pump assembly arranged in the fuel tank and including a fuel pump and a vacuum source. A fuel tank venting system includes a first vent valve arranged in the fuel tank. A storage vessel is arranged in the fuel tank and in fluid communication with the first vent valve. A first fluid line arranged in the fuel tank connecting the storage vessel to the vacuum source of the fuel pump assembly. A second fluid line connects the storage vessel to an evaporative emission system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.