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Title:
REFRIGERATION CYCLE APPARATUS
Document Type and Number:
WIPO Patent Application WO/2018/042495
Kind Code:
A1
Abstract:
This refrigeration cycle apparatus is provided with: a refrigerant circuit that is provided with a compressor, a condenser, a diaphragm device, and an evaporator; a light-emitting unit that emits light and that is provided to a flow passage leading to the evaporator, the compressor, and the condenser in the refrigerant circuit; a photodetection sensor that detects the light from the light-emitting unit and that is provided together with the light-emitting unit; a control device that determines whether freezer oil in the refrigerant circuit has degraded or whether the compressor has been damaged, on the basis of the detection result of the photodetection sensor; and a notification unit that notifies whether the freezer oil in the refrigerant circuit has degraded or whether the compressor has been damaged.

Inventors:
NAKAMURA, Takaharu (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
NAKAGAWA, Hiroyuki (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
SASAKI, Tatsuya (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2016/075219
Publication Date:
March 08, 2018
Filing Date:
August 29, 2016
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
F25B49/02
Domestic Patent References:
WO2013191273A12013-12-27
Foreign References:
JP2001305128A2001-10-31
JPH09152202A1997-06-10
JPS63279177A1988-11-16
JP2015049166A2015-03-16
JP2001227846A2001-08-24
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (East 8F, TORANOMON TWIN BLDG. 10-1 Toranomon 2-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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