ENGINE COOLING APPARATUS

An engine cooling apparatus includes an engine for vehicle traveling, a pump driven by the engine, a heat exchanger, a circulation passage for circulating cooling liquid between the engine and the heat exchanger by driving the pump, a solenoid valve capable of opening/closing the circulation passage...

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Bibliographic Details
Main Authors TAKANO HIROHISA, MATSUSAKA MASANOBU, SATO TADAYOSHI
Format Patent
LanguageEnglish
Published 29.08.2013
Subjects
BLASTING
COOLING OF INTERNAL-COMBUSTION ENGINES
COOLING OF MACHINES OR ENGINES IN GENERAL
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ENGINES
WEAPONS
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Summary:An engine cooling apparatus includes an engine for vehicle traveling, a pump driven by the engine, a heat exchanger, a circulation passage for circulating cooling liquid between the engine and the heat exchanger by driving the pump, a solenoid valve capable of opening/closing the circulation passage, and a controller for controlling operations of the engine. The solenoid valve includes a valve body movable between a position away from a valve seat and a position contacting the valve seat and held to contact the valve seat and a solenoid capable of maintaining contact between the valve body and the valve seat in response to supply of power thereto. When driving of the pump under a non-energized state of the solenoid, the valve body is movable to the position away from the valve seat by the cooling liquid fluid pressure. Power supply to the solenoid is initiated before start-up of the engine.
Bibliography:Application Number: US201213883144