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Patent Searching and Data


Title:
VEHICLE AIR-CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/016221
Kind Code:
A1
Abstract:
Provided is a vehicle air-conditioning device such that tandem operation with a power source is appropriate, operation resumption on restarting of the power source is facilitated, and drive power for a compressor on restarting of the power source is reduced. The vehicle air-conditioning device (1) is provided with a refrigeration cycle (3). The refrigeration cycle (3) has a compressor (11) that is driven by a power source which may stop temporarily. The refrigeration cycle (3) provides a low temperature and/or a high temperature. A high-temperature system (4) and/or a low-temperature system (5) is provided as a thermal buffer. The refrigeration cycle (3) is provided with electric expansion valves (14), (15) which can be fully closed. The vehicle air-conditioning device (1) is also provided with a control device (41), which fully closes the electric expansion valves (14), (15) when the compressor (11) is temporarily stopped and which controls the electric expansion valves (14), (15) to the previous opening position when the compressor (11) is restarted.

Inventors:
MARASIGAN ARIEL (JP)
MIURA KOJI (JP)
KATO YOSHIKI (JP)
Application Number:
JP2017/021416
Publication Date:
January 25, 2018
Filing Date:
June 09, 2017
Export Citation:
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Assignee:
DENSO CORP (JP)
International Classes:
B60H1/32; B60H1/22; F25B1/00
Foreign References:
JP2012162125A2012-08-30
JP2003207219A2003-07-25
JPS6314047A1988-01-21
JP2006519133A2006-08-24
JP2001001750A2001-01-09
Attorney, Agent or Firm:
JIN SHUNJI (JP)
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