Title:
VEHICULAR AIR CONDITIONER
Document Type and Number:
Japanese Patent JP2018171984
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an improved vehicular air conditioner using a common refrigerant during cooling and heating.SOLUTION: A vehicular air conditioner 1A includes: a first refrigerant circuit that has a refrigerant flow passage for circulating a refrigerant and forms a first heat pump cycle; a second refrigerant circuit that has a refrigerant flow passage for circulating the refrigerant, forms a second heat pump cycle different from the first heat pump cycle and shares a part of the refrigerant flow passage with the first refrigerant circuit; and a first expansion valve 16 that is provided in a portion excluding a part of the refrigerant flow passage from the second refrigerant circuit, senses pressure of the refrigerant and controls a flow rate of the refrigerant circulating in the second refrigerant circuit in accordance with a temperature and pressure. The first expansion valve 16 is provided in a part of the refrigerant flow passage, includes a temperature-sensitive portion 16A sensing a temperature of the refrigerant, and blocks the refrigerant circulating in the second refrigerant circuit in accordance with a temperature and pressure of the refrigerant when the refrigerant circulates the first refrigerant circuit.SELECTED DRAWING: Figure 1
More Like This:
| JP2010043537 | INTERNAL COMBUSTION ENGINE TEMPERATURE ADJUSTING DEVICE |
| JP2023505884 | Electric heating devices, especially for automobiles |
| WO/2005/073020 | VEHICLE SEAT |
Inventors:
TANIGUCHI KATSUSHI
NODA YOSHITOSHI
NODA YOSHITOSHI
Application Number:
JP2017070754A
Publication Date:
November 08, 2018
Filing Date:
March 31, 2017
Export Citation:
Assignee:
PANASONIC IP MAN CORP
International Classes:
B60H1/22; B60H1/32; F25B1/00; F25B5/00; F25B5/02; F25B6/02
Attorney, Agent or Firm:
Koichi Washida