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Patent Searching and Data


Title:
VEHICULAR AIR-CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/065548
Kind Code:
A1
Abstract:
[Problem] To suppress power consumption in a heating mode. [Solution] This vehicular air-conditioning device is provided with: a refrigerant circuit provided with a compressor (18) which compresses a refrigerant, an outdoor heat exchanger (16) which exchanges heat between the refrigerant and the outside air, and at least one indoor heat exchanger (8, 10) which exchanges heat between the refrigerant and air delivered into a passenger compartment; and a plurality of electromotive automatic valves (20, 22, 28, 30, 32, 34) which are provided in the refrigerant circuit and which are for changing the flow path of the refrigerant in the refrigerant circuit in order to switch the operation mode of the vehicular air-conditioning device. The refrigerant circuit and a plurality of solenoid valves are configured so that when all the automatic valves are supplied with no power, a refrigerant flow path for the heating mode is formed.

Inventors:
ONODERA MUTSUHIRO (JP)
Application Number:
PCT/JP2018/035247
Publication Date:
April 04, 2019
Filing Date:
September 25, 2018
Export Citation:
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Assignee:
VALEO JAPAN CO LTD (JP)
International Classes:
B60H1/22; F25B41/04; F25B41/06
Foreign References:
JP2013180722A2013-09-12
JP2016095109A2016-05-26
JP2014013094A2014-01-23
JPS6024977U1985-02-20
JPH0891040A1996-04-09
US6089034A2000-07-18
JP2002162132A2002-06-07
JP5423181B22014-02-19
Other References:
See also references of EP 3689652A4
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