Internal combustion engine ignition systems
US4625689A · kind A · utility
10Cited by
6References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 17, 1985 |
| Grant date | Dec 2, 1986 |
| Priority date | — |
| Expiry date | Jun 17, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02P9/005
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An r.p.m. limiter for an internal combustion engine operates by gradually reducing the output voltage of the ignition coil until it reaches a point where ignition fails until the r.p.m. is reduced to a predetermined value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.