Title:
FREEZING CYCLE AND REFRIGERATOR COMPRISING FREEZING CYCLE
Document Type and Number:
Japanese Patent JP2018155462
Kind Code:
A
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:
KONUMA TOMOHITO
KOIKE NOBUSHIRO
OKADOME SHINICHIRO
KOIKE NOBUSHIRO
OKADOME SHINICHIRO
Application Number:
JP2017053884A
Publication Date:
October 04, 2018
Filing Date:
March 21, 2017
Export Citation:
Assignee:
HITACHI APPLIANCES INC
International Classes:
F25D21/06; F04B41/00; F25B5/02; F25B41/04; F25B47/02; F25D11/00; F25D17/06; F25D19/00; F25D21/08
Domestic Patent References:
| JP2017116224A | 2017-06-29 | |||
| JPS5824773A | 1983-02-14 | |||
| JP2003139459A | 2003-05-14 |
Foreign References:
| EP3124900A1 | 2017-02-01 |
Attorney, Agent or Firm:
Yuji Toda