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Patent Searching and Data


Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2018/189942
Kind Code:
A1
Abstract:
In the present invention, first connection valves (82, 84, and 86) are provided respectively on refrigerant pipes connecting a refrigerant switching unit (20) with indoor heat exchangers (51, 52) and a hot-water supply heat exchanger (61), second connection valves (81, 83, and 85) are provided respectively on refrigerant pipes connecting an outdoor heat exchanger (30) with the indoor heat exchangers (51, 52) and the hot-water supply heat exchanger (61), and refrigerant on/off valves (71, 72, and 73) are provided respectively on the refrigerant pipes connecting the first connection valves (82, 84, and 86) with the indoor heat exchangers (51, 52) and the hot-water supply heat exchanger (61).

Inventors:
TAKAHASHI Norio (INC. 16-1, Kaigan 1-chome, Minato-k, Tokyo 22, 〒1050022, JP)
WATANABE Masahiko (INC. 16-1, Kaigan 1-chome, Minato-k, Tokyo 22, 〒1050022, JP)
TERAUCHI Hideki (INC. 16-1, Kaigan 1-chome, Minato-k, Tokyo 22, 〒1050022, JP)
MURAWAKA Masatoshi (INC. 16-1, Kaigan 1-chome, Minato-k, Tokyo 22, 〒1050022, JP)
WATANABE Tomonaga (INC. 16-1, Kaigan 1-chome, Minato-k, Tokyo 22, 〒1050022, JP)
Application Number:
JP2017/039185
Publication Date:
October 18, 2018
Filing Date:
October 30, 2017
Export Citation:
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Assignee:
HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC. (16-1, Kaigan 1-chome Minato-k, Tokyo 22, 〒1050022, JP)
International Classes:
F25B29/00; F24F1/32; F24H1/18; F24H4/02; F25B1/00; F25B6/02; F25B13/00
Foreign References:
JPH09126575A1997-05-16
JPH09101055A1997-04-15
JPH0333987B21991-05-21
JPS58219373A1983-12-20
JP2011163654A2011-08-25
JP2017067318A2017-04-06
JP2010255994A2010-11-11
EP1882888A12008-01-30
JP2011163654A2011-08-25
JP2013130344A2013-07-04
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (Hulic Toranomon Building, 1-18 Toranomon 1-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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