Title:
REFRIGERATING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/186647
Kind Code:
A1
Abstract:
Provided is a refrigerating apparatus comprising: a compression system (1) having a first compression device and a second compression device; a cooling circuit having a first heat exchanger (2), a second heat exchanger (3), a first decompression device (4), and a third heat exchanger (5); an intermediate injection circuit (60) that is branched from a downstream side of the second heat exchanger (3), extends through a second decompression device (6) and the second heat exchanger (3), and connected to a medium pressure portion between the first compression device and the second decompression device; and a first by-pass circuit (70) that has a first on-off valve (7), branched from a high-pressure side of the cooling circuit, and connected to an intake side of the compression system. The first on-off valve is opened when a pressure of a refrigerant on an upstream side of the first on-off valve exceeds a first pressure.
Inventors:
ISHIHARA NOBUYA (JP)
ARII YUSUKE (JP)
SAIKUSA TETSUJI (JP)
ARII YUSUKE (JP)
SAIKUSA TETSUJI (JP)
Application Number:
PCT/JP2018/012136
Publication Date:
October 03, 2019
Filing Date:
March 26, 2018
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B1/00; F25B1/10; F25B13/00; F25B43/00
Domestic Patent References:
| WO2009107617A1 | 2009-09-03 |
Foreign References:
| JP2010127531A | 2010-06-10 | |||
| JP5819000B2 | 2015-11-18 | |||
| JPH10176865A | 1998-06-30 | |||
| JPH085163A | 1996-01-12 | |||
| JP2004251513A | 2004-09-09 | |||
| JP2015055381A | 2015-03-23 | |||
| US20120011866A1 | 2012-01-19 | |||
| CN205561326U | 2016-09-07 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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