Closed loop control of i.c. engine idling speed
US4328775A · kind A · utility
22Cited by
3References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 26, 1981 |
| Grant date | May 11, 1982 |
| Priority date | — |
| Expiry date | Jan 26, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A closed loop idling control for an i.c. engine includes a difference signal generator which produces an engine speed error signal. This signals directly controls the ignition timing to provide a fast loop control of speed, but also controls the throttle position via an integrator to provide a slow loop which cancels out the error with minimum exhaust contamination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.