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Title:
冷凍サイクル装置
Document Type and Number:
Japanese Patent JP4837150
Kind Code:
B2
Abstract:
A refrigeration cycle apparatus which is capable of performing matching of the volumetric flow rate without performing pre-expansion is disclosed. As described above, a refrigeration circuit (30) including a compression unit (a main compressor (5) and a second compressor (23)), a gas cooler (11), an expansion mechanism (2), and an evaporator (12) interconnected with pipes, and a sub-compression mechanism (3) driven by power recovered by the expansion mechanism (2) are provided, a suction side of the sub-compression mechanism (3) is connected to a compression process of the compression unit, a discharge side of the sub-compression mechanism (3) is connected to an inlet side of the gas cooler (11), and flow rate of refrigerant flowing into the sub-compression mechanism (3) is controlled.

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Inventors:
Masayuki Tsunoda
Fumihiko Ishizono
Hideaki Nagata
Naofumi Takenaka
Takashi Okazaki
Mihoko groundwork
Shin Sekiya
Toshihide Koda
Application Number:
JP2011518243A
Publication Date:
December 14, 2011
Filing Date:
May 28, 2010
Export Citation:
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Assignee:
Mitsubishi Electric Corporation
International Classes:
F25B1/10; F25B1/00; F25B11/02
Domestic Patent References:
JP2004028573A2004-01-29
JP2006527836A2006-12-07
JP2000329416A2000-11-30
JP2000234814A2000-08-29
JP2003279179A2003-10-02
Foreign References:
WO1997028354A11997-08-07
Attorney, Agent or Firm:
Hisao Kobayashi
Kiyoshi Yasushima
Takanashi Norio
Motoki Shandong
Taku Ogawa
Murata Kensei
Moto Otani



 
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