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Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/212531
Kind Code:
A1
Abstract:
A liquid level detection device detects the level of liquid refrigerant (15b) in a refrigeration cycle device in which refrigerant (15) circulates through a compressor (1), a condenser (4), an expansion device (6), and an evaporator (7) in that order. The refrigeration cycle device is provided with a liquid storage container (30) which includes an upper surface and a lower surface, and which stores the liquid refrigerant. The liquid level detection device is provided with: a monitor container (10) for monitoring the liquid level inside the liquid storage container; a first communication pipe (11) which is connected between the upper surface of the liquid storage container and an upper part of the monitor container; a second communication pipe (12) which is connected between the lower surface of the liquid storage container and a lower part of the monitor container; and detectors (13, 14) which detect the liquid level inside the monitor container.

Inventors:
OCHIAI YASUTAKA (JP)
SAITO MAKOTO (JP)
TOYOSHIMA MASAKI (JP)
INOUE SEIJI (JP)
Application Number:
PCT/JP2016/066793
Publication Date:
December 14, 2017
Filing Date:
June 06, 2016
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B43/00; F25B1/00; F25B43/02; F25B49/02
Domestic Patent References:
WO2016059705A12016-04-21
WO2011136210A12011-11-03
Foreign References:
JP2003156271A2003-05-30
JP2009002317A2009-01-08
JP2006010175A2006-01-12
JPH03152349A1991-06-28
JP2001324247A2001-11-22
JP2003097443A2003-04-03
JPH10103820A1998-04-24
JPH07127927A1995-05-19
JP2003215040A2003-07-30
JPH11173686A1999-07-02
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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