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Patent Searching and Data


Title:
AIR CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/021464
Kind Code:
A1
Abstract:
An air conditioning device 100 is provided with: a flow channel switching device 2, which constitutes a refrigerant circuit wherein a compressor 1, heat source-side heat exchanger 3, intermediate pressure adjustment electronic expansion valve 4, load-side electronic expansion valve 6, and load-side heat exchanger 7 are connected by means of a refrigerant pipe, and which is provided on the discharge side of the compressor 1, said flow channel switching device switching refrigerant circulation direction; a control device 10 that controls the apparatuses constituting the refrigerant circuit; and a refrigerant cooler 5, which is provided between the intermediate pressure adjustment electronic expansion valve 4 and the load-side electronic expansion valve 6, and which cools the control device 10 using a refrigerant. In cooling operation mode, the degree of opening of the intermediate pressure adjustment electronic expansion valve 4 is set to the maximum value.

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Inventors:
MIZUTANI, Shuhei (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2017/027465
Publication Date:
January 31, 2019
Filing Date:
July 28, 2017
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
F25B1/00; F24F1/24; F25B13/00
Domestic Patent References:
WO2013161323A12013-10-31
WO2008059803A12008-05-22
Foreign References:
JP2005133976A2005-05-26
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
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