Title:
VEHICLE AIR CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/179595
Kind Code:
A1
Abstract:
Provided is a vehicle air conditioning device capable of suppressing the occurrence of noise and fluid return to a compressor caused by sudden boiling inside an accumulator. A heating mode is executed in which, after an electromagnetic valve 17 is closed, an electromagnetic valve 21 is opened, and refrigerant from the compressor 2 has heat dissipated therefrom by a radiator 4 and is decompressed by an outdoor expansion valve 6, the refrigerant is caused to absorb heat by an outdoor heat exchanger 7 and to flow to the accumulator 12. When the compressor 2 is started up in this heating mode, the valve opening of the outdoor expansion valve 6 is maintained at a prescribed large value during a prescribed period after starting up.
Inventors:
ISHIZEKI TETSUYA (JP)
TAKANO YASUNOBU (JP)
YAMASHITA KOHEI (JP)
MIYAKOSHI RYO (JP)
TAKANO YASUNOBU (JP)
YAMASHITA KOHEI (JP)
MIYAKOSHI RYO (JP)
Application Number:
PCT/JP2017/014888
Publication Date:
October 19, 2017
Filing Date:
April 05, 2017
Export Citation:
Assignee:
SANDEN AUTOMOTIVE CLIMATE SYSTEMS CORP (JP)
International Classes:
B60H1/22; B60H1/32
Foreign References:
| JP2014094671A | 2014-05-22 | |||
| JP2001027455A | 2001-01-30 | |||
| JP2001322421A | 2001-11-20 |
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