Title:
COLD HEAT SOURCE UNIT AND REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/018803
Kind Code:
A1
Abstract:
A cold heat source unit (5) can be connected to a load device (3) equipped with an expansion valve (50) and an evaporator (60), and constitutes a refrigerant circuit (4) that is configured so as to circulate a refrigerant. The cold heat source unit (5) comprises at least one compressor (11), a condenser (20), and a control device (6) that controls the refrigerant circuit (4). The at least one compressor (11) comprises a high-pressure shell compressor (11). The control device (6) stops the compressor (11) when the compressor (11) is in operation and the pressure on the inlet port (111) side of the compressor (11) is negative.
Inventors:
ISHIKAWA TOMOTAKA (JP)
NOMOTO SO (JP)
NOMOTO SO (JP)
Application Number:
PCT/JP2020/028128
Publication Date:
January 27, 2022
Filing Date:
July 20, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B1/00; F25B31/00; F25B49/02
Foreign References:
| JP2003130473A | 2003-05-08 | |||
| JP2006105580A | 2006-04-20 | |||
| JP2019086260A | 2019-06-06 | |||
| JP2000251137A | 2000-09-14 | |||
| JPH0719680A | 1995-01-20 | |||
| JPS60149857A | 1985-08-07 | |||
| JP2003279176A | 2003-10-02 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
Download PDF: