To suppress adhesion of liquid to an internal component of an air blower and an electric component as a cooling object.SOLUTION: An on-vehicle electric component cooling structure includes: a ventilation part 1 having a vent hole 11 which penetrates a wall 10 forming a crew compartment S1 of a vehicle; an air blower 2 which is provided in a rear region of the vehicle, and generates an airflow for cooling a prescribed electric component P in the rear region; and a duct 3 which forms a flow channel extending from the ventilation part 1 to the air blower 2. In this on-vehicle electric component cooling structure, the air blower 2 has a cylindrical connection part 2b connected to the duct 3, and the duct 3 has a cylindrical part 32 which is cylindrically formed and into which the connection part 2b of the air blower 2 is inserted. An assembly 80 of the air blower 2 and the duct 3 includes a foam member 8 which surrounds end parts of the cylindrical part 32 over an inner peripheral surface, an end surface and an outer peripheral surface of the cylindrical part 32.SELECTED DRAWING: Figure 1

    【課題】液体が送風機の内部部品や冷却対象の電気部品に付着することを抑制する。【解決手段】車載電気部品冷却構造は、車両の乗員室S1を形成する壁10を貫通する通気孔11を有する通気部1と、車両の後部領域に設けられ且つ後部領域内の所定の電気部品Pを冷却するための空気の流れを発生させる送風機2と、通気部1から送風機2まで延びる流路を形成するダクト3と、を含む。この車載電気部品冷却構造において、送風機2はダクト3と接続する筒状の接続部2bを有し、ダクト3は筒状に形成されると共に送風機2の接続部2bが内部に挿入される筒部32を有し、送風機2とダクト3との組立体80は、筒部32の端部を筒部32の内周面、端面及び外周面に亘って取り囲む発泡部材8を含む。【選択図】図1


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    Title :

    ON-VEHICLE ELECTRIC COMPONENT COOLING STRUCTURE


    Additional title:

    車載電気部品冷却構造


    Contributors:

    Publication date :

    2023-08-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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