Internal combustion engine with multiple spark plugs per cylinder and ion current sensing
US7677230B2 · kind B2 · utility
7Cited by
24References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2007 |
| Grant date | Mar 16, 2010 |
| Priority date | — |
| Expiry date | Apr 3, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02P2017/128
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A system and method for operating a multiple cylinder internal combustion engine having at least two spark plugs per cylinder include selectively isolating all but one spark plug associated with the cylinder at least during an ionization current sensing period to reduce or eliminate interference among ionization current signals flowing through more than one spark plug.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.