Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
REFRIGERATING DEVICE
Document Type and Number:
Japanese Patent JPH051868
Kind Code:
A
Abstract:

PURPOSE: To return oil in refrigerant, which is stagnated in the evaporator of a refrigerating device, into a compressor by supplying high-pressure liquid refrigerant.

CONSTITUTION: A refrigerating device is provided with a bypass circuit 7, bypassing a pressure reducing device 3, while the bypass circuit 7 is provided with a solenoid valve 8 which opens and/or closes the circuit 7. Upon operating the refrigerating device, the solenoid valve 8 is opened periodically to supply high-pressure liquid refrigerant from a condenser 2 into an evaporator 4 periodically while bypassing the pressure reducing device 3. Oil, stagnated in the evaporator 4, is returned forcibly into the compressor 1 by the high-pressure liquid refrigerant.


Inventors:
MURAKAMI SHINICHI
KISHITA KOJI
KAMATA MASAMI
MATSUNAGA HISATSUGU
Application Number:
JP1991000153178
Publication Date:
January 08, 1993
Filing Date:
June 25, 1991
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIPPON DENSO CO
International Classes:
F25B47/02; (IPC1-7): F25B47/02
Attorney, Agent or Firm:
碓氷 裕彦