Abnormality warning system for a direct fuel injection engine
US5241933A · kind A · utility
41Cited by
9References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 27, 1993 |
| Grant date | Sep 7, 1993 |
| Priority date | — |
| Expiry date | Jan 27, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In a fuel control system which has both high pressure fuel system and ordinary fuel control system operated in accordance with the operating conditions of the engine, highly pressurized fuel is regulated by a high pressure regulator in a high pressure fuel injection system for operating a direct fuel injection engine, and an abnormality deciding control system judges abnormality of the high pressure pump. The abnormality is indicated if the abnormality occurs. Thus, the driver can know the abnormality at an early stage and avoid various troubles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.