Title:
FREEZER
Document Type and Number:
Japanese Patent JP2016085001
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a COrefrigeration freezer in which pressure of each part in a refrigerant circuit of a freezer does not exceed a set pressure even when a safety valve is not mounted.SOLUTION: A freezer is provided with a freezing cycle to which a compressor 11, a gas cooler 14, an expansion mechanism and a steamer 41 are connected via a closed-loop piping and which is charged with COrefrigerant, a sensor which detects the pressure of the COrefrigerant in the closed loop piping when the freezing cycle is stopped, and an alarm part 150 outputting abnormal alarm when the pressure detected by the sensor exceeds a set pressure.SELECTED DRAWING: Figure 1
Inventors:
KIYA TOYOAKI
SAKAMOTO NAOKI
SAKAMOTO NAOKI
Application Number:
JP2014219246A
Publication Date:
May 19, 2016
Filing Date:
October 28, 2014
Export Citation:
Assignee:
PANASONIC IP MAN CORP
International Classes:
F25B49/02; F25B1/00; F25B13/00
Domestic Patent References:
| JP2002213847A | 2002-07-31 | |||
| JP2006329540A | 2006-12-07 | |||
| JP2013155972A | 2013-08-15 | |||
| JP2009159192A | 2009-07-16 | |||
| JPS52169869U | 1977-12-23 | |||
| JP2009174802A | 2009-08-06 | |||
| JP2006327569A | 2006-12-07 |
Foreign References:
| US20090093917A1 | 2009-04-09 |
Attorney, Agent or Firm:
Patent Business Corporation Kushibuchi International Patent Office
Previous Patent: A refrigerant distribution machine, its manufacturing method, and a metallic mold
Next Patent: Exterior unit
Next Patent: Exterior unit