Engine cooling water control system

Details Engine cooling water control system Engine cooling water control system

1999-01-14

2000-05-02

Wolfe, Willis R.

Internal-combustion engines

Cooling

Interrelated coolant flow and throttle control

123 4105, F01P 702

Patent

active

060559470

ABSTRACT:
The engine driving condition is separated into regions A, B and C. The region A is a region indicative of a high load condition. The region B is a region indicative of a low load condition. The region C is region indicative of an idle condition. Control objective temperatures in the respective driving conditions are set to 80, 110 and 95 degrees centigrade for the regions A, B and C, respectively. This enables control of cooling water temperature within the engine to be provided in a manner more adapted for the respective engine driving conditions.

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patent: 5390632 (1995-02-01), Ikebe et al.
patent: 5404842 (1995-04-01), Matsushiro et al.

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