Programmed spark scatter for idle speed control
US5113827A · kind A · utility
15Cited by
11References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 14, 1990 |
| Grant date | May 19, 1992 |
| Priority date | — |
| Expiry date | May 14, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In an idle speed control system for an engine of an automotive vehicle, a method of controlling the idle speed within an engine speed envelope of acceptable values by inversely varying the spark advance setting with respect to the closed loop fuel control system modulations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.