Warming-up system for internal combustion engines
US4079715A · kind A · utility
20Cited by
3References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1976 |
| Grant date | Mar 21, 1978 |
| Priority date | — |
| Expiry date | Sep 29, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A combustible mixture fed into the engine is heated by engine exhaust gases, the throttle valve is forcefully opened, ignition timing of the engine is retarded, cooling of the engine coolant and circulation thereof through the cooling circuit is interrupted and intake air is heated by exhaust gases during cold engine operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.