To provide a drainage structure for a vehicular air conditioning apparatus capable of surely preventing an occurrence of abnormal sound due to blowout of air bubbles.SOLUTION: A drainage structure for a vehicular air conditioning apparatus includes: a casing 3 provided with air inlet passage 2 and a drain part 26 that has a drain hole 25 opened in the air inlet passage; a cooling heat exchanger 4 disposed in the air inlet passage; a drain hose 32 which is connected to the drain part and which discharges condensed water produced at the cooling heat exchanger to the exterior of the casing; and a drain passage (27) which is formed in an internal surface of an inner wall of the casing and which guides the condensed water to the drain hole. The drain passage is formed as a first drain passage 27a in communication with the drain hole 25 through a single water passage. Moreover, a second drain passage 27b that guides water different from the condensed water to the drain hole is provided. A first rib 29 and a second rib 30 are provided which merge the flowing direction of the water in the first drain passage 27a with the flowing direction of the water in the second drain passage 27b at the upstream side of the drain hole.SELECTED DRAWING: Figure 5

    【課題】気泡の破裂による異音の発生を確実に防ぐことができる車両用空調装置の排水構造を提供すること。【解決手段】空気流路2と空気流路に開口する排水孔25を有するドレン排水部26とが形成されたケース3と、空気流路に配置された冷却用熱交換器4と、ドレン排水部に接続されて冷却用熱交換器において発生した凝縮水をケースの外部へと排出するドレンホース32と、ケースの内壁内面に形成され凝縮水を排水孔へと導く排水路(27)と、を備えた車両用空調装置の排水構造において、排水路を、排水孔25と1本の水路により連通する第1排水路27aとして構成した。更に、凝縮水と異なる水を排水孔へと導く第2排水路27bを設け、第1排水路27aの水の流れ方向と第2排水路27bの水の流れ方向とを排水孔の上流で合流させる第1リブ29と第2リブ30とを設ける。【選択図】図5


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    Titel :

    DRAINAGE STRUCTURE FOR VEHICULAR AIR CONDITIONING APPARATUS


    Weitere Titelangaben:

    車両用空調装置の排水構造


    Beteiligte:
    SATO MICHITO (Autor:in)

    Erscheinungsdatum :

    2019-07-04


    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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