PROBLEM TO BE SOLVED: To provide an exhaust heat utilization system capable of improving reliability in a high load zone of a gear mechanism within a differential case without requiring a bypass passage and an exhaust switching valve.SOLUTION: The exhaust heat utilization system comprises: an exhaust heat recovery device (22) provided in an exhaust pipe (11) near a differential case (5A) in which a gear oil is encapsulated; a heat exchanger (31) provided in the differential case (5A); a heater core (43) capable of performing heat exchange between air and a refrigerant; a blower fan (46); refrigerant passages (61, 62 and 63); a pump (71); and a control part (81) for executing a first mode in which, when a temperature of the refrigerant is included in a temperature zone higher than a first predetermined value, the pump (71) and the blower fan (46) are driven, outside air is passed through the heater core (43), the heat exchange with the refrigerant is performed, and the heat exchanged outside air is emitted outdoors.SELECTED DRAWING: Figure 6

    【課題】バイパス通路と排気切換弁を必要とすることなく、デファレンシャルケース内部のギア機構の高負荷域における信頼性を向上し得る排熱利用システムを提供する。【解決手段】内部にギアオイルを封入したデファレンシャルケース(5A)の近傍の排気管(11)に設けられる排熱回収器(22)と、デファレンシャルケース(5A)に設けられる熱交換器(31)と、空気と冷媒との間で熱交換を行い得るヒーターコア(43)と、ブロアファン(46)と、冷媒通路(61,62,63)と、ポンプ(71)と、冷媒の温度が予め定めた第1所定値より高い温度域にあるときに、ポンプ(71)とブロアファン(46)を駆動すると共に、ヒーターコア43)に外気を通過させて冷媒との熱交換を行い、熱交換した後の外気を室外に放出する第1のモードを実行する制御部(81)と、を備えた。【選択図】図6


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    Title :

    EXHAUST HEAT UTILIZATION SYSTEM


    Additional title:

    排熱利用システム


    Contributors:

    Publication date :

    2017-02-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein / F16H Getriebe , GEARING / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht



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