Idling engine speed controlling apparatus for an engine
US5057764A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1989 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | Sep 14, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/24
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An idling engine speed controlling apparatus for an engine having a generator driven by an engine to charge a battery, a switching means for controlling the supply and interruption of an exciting current to a field winding for the generator so that a voltage generated from the generator or a voltage of a battery becomes a predetermined level, a continuous detecting means for detecting a total excitation time of the field winding during each rotational time period, and a regulator means having a control unit responsive to an output of continuous detecting means for adjusting a quantity of intake air supplied to the engine by detecting an excitation time of the field winding for each time period of the engine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.