Fuel control system for an internal combustion engine
US4552113A · kind A · utility
3Cited by
9References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 27, 1980 |
| Grant date | Nov 12, 1985 |
| Priority date | — |
| Expiry date | Feb 27, 2000 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D41/266
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An i.c. engine fuel control includes a main fuel control which controls fuel flow to the engine in accordance with one or more engine operating parameters. A roughness sensor provides an electrical signal varying with the magnitude of fluctuations in the engine speed and an integrator integrates the error between this signal and a reference signal. Two active clamp circuits operate to limit the excursion of the integrator output which provides a limited authority trim input to the fuel control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.