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Patent Searching and Data


Title:
AIR CONDITIONING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2017/208438
Kind Code:
A1
Abstract:
A first air conditioning device (1) has a first refrigerant circuit and supplies air to an indoor space. A second air conditioning device (2) has a second refrigerant circuit and supplies air to the indoor space. A control device (30) controls the first and the second air conditioning devices (1, 2). The first and the second refrigerant circuits each include a compressor, a condenser, an expansion valve, and an evaporator and each is configured so that a refrigerant is circulated, in order, through the compressor, the condenser, the expansion valve, and the evaporator. During cooling operation of the first and the second air conditioning devices (1, 2), when a first refrigerant evaporation temperature of the first refrigerant circuit is higher than a second refrigerant evaporation temperature of the second refrigerant circuit, the control device (30) decreases the difference between the first refrigerant evaporation temperature and the second refrigerant evaporation temperature by increasing the operating frequency of the compressor in the first refrigerant circuit and decreasing the operating frequency of the compressor in the second refrigerant circuit.

Inventors:
ITO, Shinichi (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
TOYOSHIMA, Masaki (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
HAMADA, Mamoru (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2016/066616
Publication Date:
December 07, 2017
Filing Date:
June 03, 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; F25B13/00
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (Nakanoshima Central Tower, 2-7 Nakanoshima 2-chome, Kita-ku, Osaka-sh, Osaka 05, 〒5300005, JP)
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