Title:
冷凍サイクル及び冷凍サイクルを有する冷蔵庫
Document Type and Number:
Japanese Patent JP6640778
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a freezing cycle and a refrigerator that improve energy saving performance.SOLUTION: A freezing cycle comprises a compressor 24, a refrigerating side cooler 50 that can supply cold air to a storage chamber in a refrigerating temperature zone, a freezing side cooler 14 that can supply cold air to a storage chamber in a freezing temperature zone, and a refrigerant switching valve 100 that can switch the distribution mode of a refrigerant, and comprises a defrosting pipe 65 provided around the freezing side cooler 14. The refrigerant switching valve 100 comprises an inflow port 100a into which the refrigerant discharged from the compressor 24 flows, a first reflux port 100d leading to one end of the defrosting pipe, a second reflux port 100e leading to another end of the defrosting pipe 65, a first feed port 100b leading to the refrigerating side cooler 50 and the suction side of the compressor 24, and a second feed port 100c leading to the freezing side cooler 14 and the suction side of the compressor 24.SELECTED DRAWING: Figure 5
Inventors:
Satoshi Onuma
Nobuhiro Koike
Shinichiro Okaru
Nobuhiro Koike
Shinichiro Okaru
Application Number:
JP2017053884A
Publication Date:
February 05, 2020
Filing Date:
March 21, 2017
Export Citation:
Assignee:
Hitachi Global Life Solutions, Inc.
International Classes:
F25D21/06; F04B41/00; F25B5/02; F25B41/04; F25B47/02; F25D11/00; F25D17/06; F25D19/00; F25D21/08
Domestic Patent References:
| JP58024773A | ||||
| JP2003139459A | ||||
| JP2017116224A |
Foreign References:
| EP3124900A1 |
Attorney, Agent or Firm:
Yuji Toda