Cooling system for an internal combustion engine
US5111776A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Sep 25, 1990 |
| Grant date | May 12, 1992 |
| Priority date | — |
| Expiry date | Sep 25, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01P7/16
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A sealed type engine cooling system having a reservoir tank connected to the engine recirculating water passageway by inlet pipes connected to the upper outlet of an engine cooling water passageway and to the upper inlet of a radiator. The bottom portion of the reservoir tank is connected to the bottom of the engine cooling water passageway, for supplementing the engine cooling water, and is provided with a cap with a relief valve, to thereby discharge vapor created in the cooling water passageway under a hot soak condition. The relationship between the inner diameter of the pipes is such that the effective cross sectional area of the inlet pipe means is 1.5 to 3 times larger than the effective cross sectional area of the outlet pipe means, or the inlet pipe is arranged so that a minimum distance is obtained between the engine upper portion and the radiator, or a check valve is arranged in the outlet pipe, or the space inside the reservoir tank is partitioned into chambers, and the inlet and outlet pipes are connected to separate chambers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.