To provide a cooling circuit device for a vehicle capable of suppressing deterioration of cooling performance and improving a service life of an apparatus to be cooled.SOLUTION: A cooling circuit device for a vehicle includes: a pump 10 that sucks and discharges a refrigerant; a discharge passage 21 connected to a discharge side of the pump 10; a suction passage 22 connected to a suction side of the pump 10; a first passage 24 having one end connected to the discharge passage 21 and the other end connected to the suction passage 22; a second passage 25 having one end connected to the pump 10 side of a connection portion of the discharge passage 21 to the first passage 24 and the other end connected to a side away from the pump 10 of a connection portion of the suction passage 22 to the first passage 24; a first valve 24a provided at the other end of the first passage 24 and enabling switching of a flow passage between the suction passage 22 and the first passage 24; a second valve 25a provided at one end of the second passage 25 and enabling switching of a flow passage between the discharge passage 21 and the second passage 25; and a control section 30 that controls the first valve 24a and the second valve 25a.SELECTED DRAWING: Figure 1

    【課題】冷却性能の低下を抑制し、冷却対象機器の寿命を向上させることができる車両の冷却回路装置を提供すること。【解決手段】冷媒を吸入し、排出するポンプ10と、ポンプ10の排出側に接続される排出通路21と、ポンプ10の吸入側に接続される吸入通路22と、一端が排出通路21に接続され、他端が吸入通路22に接続される第1通路24と、一端が排出通路21の第1通路24との接続部分よりポンプ10側に接続され、他端が吸入通路22の第1通路24との接続部分よりポンプ10から離れる側に接続される第2通路25と、第1通路24の他端に設けられ、吸入通路22と第1通路24との流路を切替可能な第1バルブ24aと、第2通路25の一端に設けられ、排出通路21と第2通路25との流路を切替可能な第2バルブ25aと、第1バルブ24aと第2バルブ25aとを制御する制御部30とを備える。【選択図】図1


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    Titel :

    COOLING CIRCUIT DEVICE FOR VEHICLE


    Weitere Titelangaben:

    車両の冷却回路装置


    Beteiligte:

    Erscheinungsdatum :

    26.03.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    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



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