PROBLEM TO BE SOLVED: To provide a hybrid electric vehicle cooling system capable of preventing an increase in the size of the cooling system and achieving a reduction in the size of a water pump cooling a rotating electric machine.SOLUTION: A cooling system 5 comprises: a motor water pump 10 circulating cooling water in a motor cooling-water passage portion 8; a motor cooling-water inlet pipe 8A introducing the cooling water into a motor 3 from an engine cooling-water passage portion 7; and a motor cooling-water outlet pipe 8B returning the cooling water cooling the motor 3 to the engine cooling-water passage portion 7, an upstream end 8a of the motor cooling-water inlet pipe 8A being connected to a lower tank 16, a downstream end 8d of the motor cooling-water outlet pipe 8B being connected to an engine cooling-water inlet pipe 7A, and the cooling water flowing in the motor cooling-water inlet pipe 8A and the motor cooling-water outlet pipe 8B being circulated via the lower tank 16 at a time of opening a thermostat 11.

    【課題】冷却装置が大型化することを防止できるとともに、回転電機を冷却するウォータポンプの小型化を図ることができるハイブリッド車両の冷却装置を提供すること。【解決手段】冷却装置5は、モータ用冷却水通路部8が、モータ用冷却水通路部8において冷却水を循環させるモータ用ウォータポンプ10と、機関用冷却水通路部7からモータ3に冷却水を導入するモータ用冷却水入口管8Aと、モータ3を冷却した冷却水を機関用冷却水通路部7に戻すモータ用冷却水出口管8Bとを含んで構成され、モータ用冷却水入口管8Aの上流端8aをロアタンク16に接続するとともに、モータ用冷却水出口管8Bの下流端8dを機関用冷却水入口管7Aに接続し、サーモスタット11の開弁時に、モータ用冷却水入口管8Aおよびモータ用冷却水出口管8Bを流れる冷却水を、ロアタンク16を通して循環させる。【選択図】図4


    Access

    Download


    Export, share and cite



    Title :

    HYBRID ELECTRIC VEHICLE COOLING SYSTEM


    Additional title:

    ハイブリッド車両の冷却装置


    Contributors:

    Publication date :

    2015-12-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F01P Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , COOLING OF MACHINES OR ENGINES IN GENERAL / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



    Cooling method and cooling system for hybrid electric vehicle and hybrid electric vehicle

    ZHAN LINGYUN / LIANG XIAOFENG / HUANG YINGMING | European Patent Office | 2023

    Free access

    ELECTRIC VEHICLE OR HYBRID ELECTRIC VEHICLE BATTERY COOLING SYSTEM

    CHRISTOPHE ROUSSEAU / BASTIEN JOVET / FREDERIC LADRECH | European Patent Office | 2015

    Free access

    COOLING SYSTEM OF HYBRID ELECTRIC VEHICLE

    European Patent Office | 2023

    Free access

    COOLING SYSTEM OF HYBRID ELECTRIC VEHICLE

    YANG IL SUK / WOO SOO HYUNG | European Patent Office | 2020

    Free access

    Cooling device of hybrid electric vehicle and hybrid electric vehicle

    ZHANG ZHIWEN / ZHANG PENGCHENG / YANG ZEGUANG | European Patent Office | 2021

    Free access