To restrain a radiator from being damaged due to repeated heat distortion in the radiator in which an engine cooling radiator and an electric drive system cooling radiator are integrated side by side in the vertical direction.SOLUTION: A radiator comprises an engine cooling radiator and a HV unit cooling radiator, which are integrated side by side in the vertical direction. The engine cooling radiator includes an engine cooling upstream tank 13 and an engine cooling downstream tank, which are put in communication with each other by a plurality of vertically-juxtaposed engine cooling tubes 17. The HV unit cooling radiator includes a HV unit cooling upstream tank 23 and a HV unit cooling downstream tank, which are put in communication with each other by a plurality of vertically-juxtaposed HV unit cooling tubes 27. Among the plurality of engine cooling tubes 17, a flow rate of the lowermost end engine cooling tube 17a adjoining the HV unit cooling tube 27 is limited by a gasket 11 to be smaller than the flow rate of each of the other engine cooling tubes 17.SELECTED DRAWING: Figure 3

    【課題】エンジン冷却用ラジエータと電気駆動系冷却用ラジエータとが上下に並んで一体化されたラジエータにおいて、繰り返し熱歪によりラジエータが破損するのを抑える。【解決手段】エンジン冷却用上流側タンク13とエンジン冷却用下流側タンクとが、上下に並ぶ複数のエンジン冷却用チューブ17で連通されたエンジン冷却用ラジエータと、HVユニット冷却用上流側タンク23とHVユニット冷却用下流側タンクとが、上下に並ぶ複数のHVユニット冷却用チューブ27で連通されたHVユニット冷却用ラジエータとが、上下に並んで一体化されたラジエータである。複数のエンジン冷却用チューブ17のうちHVユニット冷却用チューブ27と隣り合うエンジン冷却用最下端チューブ17aの流量が、他の各エンジン冷却用チューブ17の流量よりも少なくなるようにガスケット11で制限されている。【選択図】図3


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    Title :

    RADIATOR


    Additional title:

    ラジエータ


    Contributors:

    Publication date :

    2019-06-06


    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 / F28F Einzelheiten von Wärmetauschern oder Wärmeübertragungsvorrichtungen für allgemeine Verwendung , DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F28D Wärmetauscher, soweit in keiner anderen Unterklasse vorgesehen, in denen die Wärmetauschmittel nicht in direkte Berührung miteinander kommen , HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT



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