Displacement on demand spark knock detection
US6763297B1 · kind B1 · utility
16Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2003 |
| Grant date | Jul 13, 2004 |
| Priority date | — |
| Expiry date | Jun 13, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
False spark knock detection is minimized for a displacement on demand engine having activated and deactivated modes. The engine is operated in the activated mode. Knock detection is performed on all cylinders of the engine during the activated mode. The engine is operated in the deactivated mode. Knock detection is performed on activated cylinders during the deactivated mode. Knock detection is disabled for deactivated cylinders during the deactivated mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.