To provide a vehicular air conditioner which achieves both the improvement of antifogging performance of vehicle window glass and the reduction of energy consumed for heating.SOLUTION: In an air-conditioning case 31, there are formed a first air passage 31a, a second air passage 31b, an upper layer-side air passage 31c, a lower layer-side air passage 31d, an external air bypass passage 31e, and an internal air bypass passage 31f. During a heating mode, internal air from which heat is absorbed by a refrigerant of a heat pump cycle 10 in a first heat exchange part 15a arranged in the first air passage 31a, and external air from which heat is absorbed by the refrigerant in a second heat exchange part 15b arranged in the second air passage 31b are caused to flow out of a cabin. Further, external air guided to the upper layer-side air passage 31c through the external air bypass passage 31e is caused to flow out to a vehicle window glass 51 side in the cabin. Internal air guided to the lower layer-side air passage 31d through the internal air bypass passage 31f is caused to flow out to an occupant side in the cabin.SELECTED DRAWING: Figure 7

    【課題】車両窓ガラスの防曇性能の向上および暖房のために消費されるエネルギの低減の両立を図った車両用空調装置を提供する。【解決手段】空調ケース31には、第1空気通路31a、第2空気通路31b、上層側空気通路31c、下層側空気通路31d、外気バイパス通路31e、内気バイパス通路31fが形成されている。暖房モード時に、第1空気通路31aに配置された第1熱交換部15aにてヒートポンプサイクル10の冷媒に吸熱された内気、および第2空気通路31bに配置された第2熱交換部15bにて冷媒に吸熱された外気を車室外側へ流出させる。そして、外気バイパス通路31eを介して上層側空気通路31cへ導いた外気を車室内の車両窓ガラス51側へ流出させる。内気バイパス通路31fを介して下層側空気通路31dへ導いた内気を車室内の乗員側へ流出させる。【選択図】図7


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    Titel :

    VEHICULAR AIR CONDITIONER


    Weitere Titelangaben:

    車両用空調装置


    Beteiligte:
    NISHIDA SHIN (Autor:in)

    Erscheinungsdatum :

    2022-11-10


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    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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