Engine cooling system
US5390632A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1993 |
| Grant date | Feb 21, 1995 |
| Priority date | — |
| Expiry date | Feb 19, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01P2060/08
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An engine cooling system comprises a cooling water circulation circuit interconnecting an engine body and a radiator, a bypass circuit connected to the cooling water circulation circuit to bypass the radiator, an electric-powered water pump disposed in the cooling water circulation circuit adjacent an engine inlet, a flow rate control valve for controlling the flow rate of cooling water flowing through the radiator, an outlet water temperature detector for detecting an engine outlet water temperature in the cooling water circulation circuit, an inlet water temperature detector for detecting an engine inlet water temperature in the cooling water circulation circuit, and a control means for controlling the operation of the water pump in accordance with at least the engine outlet water temperature and controlling the operation of the flow rate control valve in accordance with at least the engine inlet water temperature to thereby properly control the temperature of the cooling water in accordance with the operational condition of the engine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.