To prevent a heating medium and a PTC heater from contacting each other using a liquid gasket.SOLUTION: A heating medium heater is housed in a housing space that is formed between a first heating medium channel 48 and a second heating medium channel 56 in a casing, and includes a PTC heater 33 that heats a heating medium. The casing has an inner joint part S1 that joins members adjacent in a thickness direction Z so as to separate the first heating medium channel 48 and the second heating medium channel 56, and, other spaces. The inner joint part S1 has a gap 100 that separates a heater periphery joint section J1 that has a liquid gasket 32A joining members adjacent in the thickness direction Z from a communication part periphery joint section J2 that is provided in a position away from the first heating medium channel 48 and the second heating medium channel 56 further than the heater periphery joint section J1 and has a liquid gasket 32B joining members adjacent in the thickness direction Z.SELECTED DRAWING: Figure 6
【課題】液状ガスケットによって熱媒体とPTCヒータとの接触を抑える。【解決手段】熱媒体加熱装置は、ケーシング内における第一熱媒体流路48と第二熱媒体流路56との間に形成された収容空間に収容され、熱媒体を加熱するPTCヒータ33を備える。前記ケーシングは、第一熱媒体流路48及び第二熱媒体流路56と、他の空間とを隔てるように、厚み方向Zに隣接する部材同士とを接合させる内側接合部S1を有する。内側接合部S1は、厚み方向Zに隣接する部材同士を接合させる液状ガスケット32Aを有するヒータ外周接合部J1と、ヒータ外周接合部J1よりも第一熱媒体流路48及び第二熱媒体流路56から離れた位置に設けられ、厚み方向Zに隣接する部材同士を接合させる液状ガスケット32Bを有する連通部外周接合部J2とを隔てる空隙部100を、有する。【選択図】図6
HEATING MEDIUM HEATER AND VEHICLE AIR CONDITIONER
熱媒体加熱装置及び車両用空調装置
2020-03-26
Patent
Electronic Resource
Japanese
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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