Engine idle stability control system using alternator feedback
US8515645B2 · kind B2 · utility
3Cited by
18References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2011 |
| Grant date | Aug 20, 2013 |
| Priority date | — |
| Expiry date | Nov 25, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D2041/1412
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An engine idle stability control method and system using feedback from alternator of a motor vehicle is described. An excitation current of the alternator is detected and used to predict an alternator torque value. The predicted alternator torque is used to determine an adjustment to engine torque output. Engine torque output is adjusted to compensate for the predicted alternator torque and engine idle stability is maintained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.