Method of operating a single spot fuel injected internal combustion engine and apparatus for same
US4485791A · kind A · utility
10Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 1980 |
| Grant date | Dec 4, 1984 |
| Priority date | — |
| Expiry date | Sep 24, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A single spot fuel injector is energized only twice per revolution of the crankshaft of the engine so that under given operating conditions the injections coincide with the TDC and BDC positions of a piston of a selected cylinder of the engine. Under higher engine speed operation, the injection timing is advanced to improve the fuel distribution to the cylinders. When the engine operates at an engine speed below a predetermined level it is possible for the injector to be energized three times per revolution of the crankshaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.