Multiple spark ignition internal combustion engine with exhaust gas recirculation
US4459804A · kind A · utility
4Cited by
10References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1981 |
| Grant date | Jul 17, 1984 |
| Priority date | — |
| Expiry date | Aug 3, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A spark-ignition internal combustion engine with multiple plugs is operated at an air-fuel ratio around the stoichometric under a high EGR rate higher than EGR limits for stable operation in a single spark plug ignition engine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.