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Title:
COOLING DEVICE FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP3175506
Kind Code:
B2
Abstract:

PURPOSE: To surely carry out cooling control for expediting temperature rise in a block when an engine is warmed up, with a simple structure.
CONSTITUTION: The water jacket 2 of a head side is connected to the discharging side of a pump 5. A cooling water passage is provided, which is led from the water jacket 2 of the head side to the pump 5 bypassing a radiator 6 through a thermostant valve 9, and a cooling water passage is provided, which is led from the water jacket 2 of the head side to the water jacket 4 of a block side and then to the pump 5 through the radiator 6 and the thermostat valve 9. It is switched, so that the radiator 6 is bypassed by the thermostat valve 9 when an engine is warmed up, and cooling water is circulated only in the water jacket 2 of the head side. After warmining-up of the engine, cooling water is circulated through the water jacket 2, the water jacket 4, the radiator 6, and the pump 5 in order.


Inventors:
Yasushi Noda
Takeshi Masuda
Application Number:
JP28662094A
Publication Date:
June 11, 2001
Filing Date:
November 21, 1994
Export Citation:
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Assignee:
Nissan Motor Co., Ltd
International Classes:
F01P3/02; F01P7/16; (IPC1-7): F01P7/16; F01P3/02
Domestic Patent References:
JP7189691A
Attorney, Agent or Firm:
Fujio Sasashima