Leak detection system
US12140503B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2020 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Aug 26, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60K2015/03552
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention relates to a leak detection system on board of a vehicle comprising a fuel tank (301, 401), a filler pipe (302, 402), a venting line (303, 403) for recirculating fuel vapors from the tank to the filler pipe, said system having a combination pressure and temperature sensor mounted in the vapor dome of the fuel tank, and a pressure sensor located in the recirculation line above the highest possible liquid level that could be present in the recirculation line and to methods to detect said leak.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.