Ignition system for an internal combustion engine
US3938485A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 17, 1974 |
| Grant date | Feb 17, 1976 |
| Priority date | — |
| Expiry date | Apr 17, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Ignition system for an internal combustion engine including a pair of breaker contacts parallely connected with the primary coil of ignition coil means, one providing a normal ignition timing and the other a delayed timing, and a pair of time delay means, one having a normally closed contact and providing a predetermined time delay, and the other having a normally open contact and providing a longer predetermined time delay, said contacts in the time delay means being disposed in series between the primary coil and said other of the breaker points, whereby there is provided a normal ignition timing for a certain period after engine start, then a delayed ignition timing for a further certain period and thereafter again the normal ignition timing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.