Heat pump type air conditioner for vehicle

B - Operations – Transporting – 60 – H

Patent

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Details

B60H 1/22 (2006.01) B60H 1/00 (2006.01) B60H 1/32 (2006.01) F25B 13/00 (2006.01) F25B 27/02 (2006.01) F25B 47/02 (2006.01)

Patent

CA 2335369

A heat pump type air conditioner for vehicle capable of increasing a comfortableness in a cabin by minimizing a defrosting operation during a heating operation, comprising an indoor heat exchanger (10) performing a heat exchange between refrigerant and cabin air, outdoor heat exchangers (41, 42) performing a heat exchange between refrigerant and outside air, and a compressor unit (20) having a compressor (21), a restriction resistance (22), and a four-way valve (23), all connected to each other through a refrigerant flow path (60) to perform the cooling and heating operations by switching the flow direction of the refrigerant, characterized in that the plurality of outdoor heat exchangers (41, 42) are disposed on both sides of a radiator (30) in parallel with each other.

L'invention concerne un conditionneur d'air de type pompe à chaleur pour véhicule conçu pour accroître le confort dans une cabine en réduisant une opération de dégivrage pendant le chauffage, qui comprend un échangeur thermique intérieur (10) assurant un échange thermique entre un réfrigérant et l'air de la cabine, des échangeurs thermiques extérieurs (41, 42) assurant un échange thermique entre un réfrigérant et l'air extérieur, et une unité de compression (20) pourvue d'un compresseur (21), d'une résistance de restriction (22) et d'un robinet à quatre voies (23), tous reliés les uns autres par une voie d'écoulement (60) du réfrigérant pour assurer les opérations de refroidissement et de chauffage par commutation de la direction de l'écoulement du réfrigérant, la pluralité des échangeurs thermiques extérieurs (41, 42) étant placés sur les deux côtés d'un radiateur (30) disposés parallèlement les uns aux autres.

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