Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2023/119865
Kind Code:
A1
Abstract:
The present disclosure provides a hybrid air conditioner that, in situations in which the required load is medium, enables highly efficient operation regardless of the required load by rerouting some of engine cooling water. This air conditioner is configured by connecting in parallel a first compressor driven by a gas engine and a second compressor driven by an electric motor, and comprises: an exhaust heat recovery heat exchanger installed at an intermediate point in an exhaust heat recovery bypass pipe that connects the suction pipe of the second compressor and a liquid refrigerant pipe; a cooling water circuit that is configured by the gas engine, the exhaust heat recovery heat exchanger, and a pump being annularly connected in this order by piping and circulates cooling water in the piping to cool the gas engine; a cooling water bypass pipe that connects the cooling water outlet side and inlet side of the exhaust heat recovery heat exchanger; and a cooling water flow rate adjustment valve installed in the cooling water bypass pipe.
Inventors:
MAEKAWA NAOKI
MATSUI MASARU
KAWANO BUNKI
MASUDA TETSUYA
MATSUI MASARU
KAWANO BUNKI
MASUDA TETSUYA
Application Number:
PCT/JP2022/040188
Publication Date:
June 29, 2023
Filing Date:
October 27, 2022
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F25B1/00; F24F5/00; F25B27/00; F25B27/02
Foreign References:
| JP2021021509A | 2021-02-18 | |||
| JP2000283594A | 2000-10-13 | |||
| JPS63243668A | 1988-10-11 | |||
| JPS5797810U | 1982-06-16 | |||
| JP2021021508A | 2021-02-18 | |||
| JP2006234321A | 2006-09-07 |
Attorney, Agent or Firm:
KUSHIBUCHI & ASSOCIATES (JP)
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