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Patent Searching and Data


Title:
AIR CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/145218
Kind Code:
A1
Abstract:
Provided is an air conditioning device provided with a function to detect strainer clogging. An air conditioning device comprises: a heat source device that has a compressor and a water heat exchanger; an indoor unit that has a throttling device and a load-side heat exchanger and that is connected to the heat source device by refrigerant piping; a pressure detection means that is installed inside the heat source device and that is for detecting refrigerant pressure; a temperature detection means for detecting the temperature of fluid in fluid piping on the inlet-side of the water heat exchanger; a strainer that is installed inside the fluid piping and that removes foreign bodies in the fluid; and a control device that determines that the strainer is clogged when the difference between a value that is the detection value detected by the pressure detection means converted to a saturation temperature and the detection value detected by the temperature detection means is equal to or greater than a reference value.

Inventors:
MATSUI, Ryosuke (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2016/054991
Publication Date:
August 31, 2017
Filing Date:
February 22, 2016
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; F24F11/02; F25B43/00; F25B49/02
Foreign References:
JPH0979712A1997-03-28
JP2007255818A2007-10-04
JPS5649858A1981-05-06
JP2013201304A2013-10-03
JP2003083587A2003-03-19
JP2011047537A2011-03-10
JP2015105803A2015-06-08
JPH05288440A1993-11-02
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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