Title:
車両用空調装置
Document Type and Number:
Japanese Patent JP6853138
Kind Code:
B2
Abstract:
To provide a vehicle air conditioner which can improve operation efficiency in a heating mode.SOLUTION: A vehicle air conditioner 11 is a heat pump type vehicle air conditioner which includes a cooling refrigerant circuit and a heating refrigerant circuit, and the cooling refrigerant circuit and the heating refrigerant circuit share a compressor 41 and an outdoor heat exchanger 47. A cooling refrigerant pipe 37 connected to the compressor 41 through a cooling pressure reducing valve 53 and an evaporator 25, and a heating refrigerant pipe 39 connected to the compressor 41 by bypassing the cooling pressure reducing valve 53 and the evaporator 25 are connected to a refrigerant outlet of the outdoor heat exchanger 47 so as to be switched selectively. An inner diameter of the heating refrigerant pipe 39 connected to the refrigerant outlet 48b of the outdoor heat exchanger 47 is set to have a dimension larger than an inner diameter of the cooling refrigerant pipe 37 connected to the refrigerant outlet 48a.SELECTED DRAWING: Figure 1
Inventors:
Isao Tsunoda
Application Number:
JP2017152344A
Publication Date:
March 31, 2021
Filing Date:
August 07, 2017
Export Citation:
Assignee:
Honda motor industry stock company
International Classes:
B60H1/22; B60H1/32; F25B1/00; F25B5/00; F25B39/00; F25B41/26
Domestic Patent References:
| JP2011140291A | ||||
| JP2014101019A | ||||
| JP6347111A | ||||
| JP2013180743A | ||||
| JP2014009868A | ||||
| JP2013121763A | ||||
| JP2017030724A |
Foreign References:
| US20150089967 |
Attorney, Agent or Firm:
Isono International Patent and Trademark Office