Title:
REFRIGERATOR, AND REFRIGERANT RECOVERING METHOD
Document Type and Number:
Japanese Patent JP2019138538
Kind Code:
A
Abstract:
To efficiently recover a refrigerant, in a refrigerator including an electronic expansion valve.SOLUTION: A refrigerator includes an electronic expansion valve (EEV) disposed between a condenser and an evaporator of a refrigerant circuit, an instruction portion producing an instruction signal instructing recovery of a refrigerant circulated in the refrigerant circuit by user' operation, a notification portion for notifying the user of completion of preparation for recovering the refrigerant, and a control portion for controlling an opening of the electronic expansion valve. The control portion executes a determination processing (S10) determining whether the instruction signal Sc is received from the instruction portion or not, a full-opening processing (S30) for fully opening the electronic expansion valve when the reception of the instruction signal is determined, a full-open determination processing (S40) for determining whether the electronic expansion valve is fully opened or not, and a notification processing (S50) for notifying a user of the completion of preparation for recovering the refrigerant through the notification portion in a case when the full-open of the electronic expansion valve is determined.SELECTED DRAWING: Figure 4
Inventors:
UKAI YOSHIYUKI
KADO SHUJI
HANAI TAKASHI
KADO SHUJI
HANAI TAKASHI
Application Number:
JP2018021706A
Publication Date:
August 22, 2019
Filing Date:
February 09, 2018
Export Citation:
Assignee:
HOSHIZAKI CORP
International Classes:
F25B45/00; F25B1/00
Domestic Patent References:
| JPH03225168A | 1991-10-04 | |||
| JP2012220117A | 2012-11-12 | |||
| JP2010091126A | 2010-04-22 | |||
| JP2003314878A | 2003-11-06 | |||
| JPH05164437A | 1993-06-29 | |||
| JPH04320773A | 1992-11-11 |
Attorney, Agent or Firm:
Akatsuki Joint Patent Office