Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/140566
Kind Code:
A1
Abstract:
The purpose of the present disclosure is to provide a refrigeration cycle device with which it is possible to control the amount of oil injected into a compression chamber. A refrigeration cycle device comprising: a main circuit in which a scroll compressor, an oil separator, a first heat exchanger, a decompression device, and a second heat exchanger are sequentially connected by piping, the main circuit being such that a refrigerant circulates therein; an oil injection circuit that branches from the oil separator and is connected to injection piping of the scroll compressor; and a control device for controlling the operation of the refrigeration cycle device. The oil injection circuit is provided with a first control valve that is controlled by the control device and that adjusts the flow rate of the oil flowing through the oil injection circuit.
Inventors:
MORISHITA TAKUMI (JP)
MIZOBATA JUMPEI (JP)
MIZOBATA JUMPEI (JP)
Application Number:
PCT/JP2020/000169
Publication Date:
July 15, 2021
Filing Date:
January 07, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B1/00; F25B1/04
Domestic Patent References:
| WO2019021360A1 | 2019-01-31 | |||
| WO2019026270A1 | 2019-02-07 |
Foreign References:
| JP2019039620A | 2019-03-14 | |||
| JP2008170118A | 2008-07-24 | |||
| JP2003148814A | 2003-05-21 | |||
| JPH0178863U | 1989-05-26 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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