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Title:
AIR CONDITIONING DEVICE AND EXPANSION VALVE UNIT
Document Type and Number:
WIPO Patent Application WO/2019/038797
Kind Code:
A1
Abstract:
This air conditioning device comprises: a refrigerant circuit in which refrigerant circulates and in which a heat source-side unit that has a compressor and a heat source-side heat exchanger, an expansion valve unit that has an expansion valve, and a load-side unit that has a load-side heat exchanger and that air conditions a given space are connected with piping; and a refrigerant leak detection device that detects refrigerant leaks; wherein the expansion valve unit is outside of the space being air conditioned and is provided in piping in which flows refrigerant condensed by the heat source-side heat exchanger functioning as a condenser and flowing from the heat source-side unit, and the expansion valve assumes a closed state after the refrigerant leak detection device has detected a refrigerant leak.

Inventors:
MORISHITA YUYA (JP)
Application Number:
PCT/JP2017/029737
Publication Date:
February 28, 2019
Filing Date:
August 21, 2017
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B49/02
Domestic Patent References:
WO2017119105A12017-07-13
Foreign References:
JPS6280457A1987-04-13
JP2014224612A2014-12-04
JP2000179971A2000-06-30
US20130213068A12013-08-22
US20120090383A12012-04-19
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (JP)
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