Title:
AIR CONDITIONING/HOT-WATER SUPPLY SYSTEM AND HEAT PUMP UNIT
Document Type and Number:
WIPO Patent Application WO/2011/036905
Kind Code:
A1
Abstract:
The hot and cold waste heat of a refrigerant circuit is effectively utilized and high energy efficiency is obtained. In particular, high energy efficiency is obtained by appropriately performing operation control during the simultaneous operation of a hot-water supply operation and an air cooling operation. When performing the air cooling operation by means of an air temperature adjusting refrigerant circuit (5) and performing the hot-water supply operation by means of a hot-water supplying refrigerant circuit (6), the aforementioned air temperature adjusting refrigerant circuit and hot-water supplying refrigerant circuit are controlled in a manner so as to reach the target evaporation temperature of the hot-water supplying refrigerant circuit (6) or the target condensation temperature of the air temperature adjusting refrigerant circuit (5), which are set on the basis of the air cooling capacity and evaporation temperature of the air temperature adjusting refrigerant circuit (5) and the hot-water supplying capacity and condensation temperature of the hot-water supplying refrigerant circuit (6).
Inventors:
ENDOH Kazuhiro (Hitachi Ltd., 832-2, Horiguchi, Hitachinaka-sh, Ibaraki 34, 〒3120034, JP)
遠藤 和広 (〒34 茨城県ひたちなか市堀口８３２番地２ 株式会社日立製作所 機械研究所内 Ibaraki, 〒3120034, JP)
遠藤 和広 (〒34 茨城県ひたちなか市堀口８３２番地２ 株式会社日立製作所 機械研究所内 Ibaraki, 〒3120034, JP)
Application Number:
JP2010/052985
Publication Date:
March 31, 2011
Filing Date:
February 25, 2010
Export Citation:
Assignee:
Hitachi, Ltd. (6-6 Marunouchi 1-chome, Chiyoda-ku Tokyo, 80, 〒1008280, JP)
株式会社 日立製作所 (〒80 東京都千代田区丸の内一丁目６番６号 Tokyo, 〒1008280, JP)
ENDOH Kazuhiro (Hitachi Ltd., 832-2, Horiguchi, Hitachinaka-sh, Ibaraki 34, 〒3120034, JP)
株式会社 日立製作所 (〒80 東京都千代田区丸の内一丁目６番６号 Tokyo, 〒1008280, JP)
ENDOH Kazuhiro (Hitachi Ltd., 832-2, Horiguchi, Hitachinaka-sh, Ibaraki 34, 〒3120034, JP)
International Classes:
F25B29/00; F24F11/02; F24H1/00; F25B7/00
Attorney, Agent or Firm:
The Patent Body Corporate TAKEWA INTERNATIONAL PATENT OFFICE (Kashiwaya Bldg, 6-13 Nishishinbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)
Download PDF:
Previous Patent: AGENT FOR PREVENTING ADVERSE SIDE EFFECTS OF CARCINOSTATIC AGENT
Next Patent: LUMBAR SUPPORT DEVICE
Next Patent: LUMBAR SUPPORT DEVICE