Engine coolant flush-filtering using external gas pressure
US4809769A · kind A · utility
17Cited by
17References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 1988 |
| Grant date | Mar 7, 1989 |
| Priority date | — |
| Expiry date | Jun 27, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01P2011/065
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method for rapid cleaning of an internal combustion engine cooling system includes: PA1 forcing the coolant liquid from the cooling system to the exterior of that system, PA1 treating the coolant liquid in a zone or zones outside the cooling system, said treating including removing contaminant from the coolant liquid, and PA1 returning the treated coolant liquid to the cooling system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.