Fuel supply apparatus and control method for internal combustion engine
US7213584B2 · kind B2 · utility
7Cited by
9References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2004 |
| Grant date | May 8, 2007 |
| Priority date | — |
| Expiry date | Jul 7, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D2200/0602
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A canister, a cut valve which closes a fresh air intake of the canister, and a pressure sensor which detects a pressure in a fuel vapor path shut off by closing a purge control valve and the cut valve are disposed at the inside of a fuel tank, and a fuel supply control unit which controls the cut valve and the purge control valve, and which carries out a leak diagnosis on the basis of a detected result of the pressure sensor is disposed at the inside of the fuel tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.