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Patent Searching and Data


Title:
REFRIGERATING DEVICE
Document Type and Number:
Japanese Patent JP2011007351
Kind Code:
A
Abstract:

To provide a refrigerating device easily controlling an amount of oil in a case.

This refrigerating device includes a multistage compressor 11 having an intermediate pressure in the case 12, an oil separator 22 disposed on a high-pressure discharge pipe 21 of the compressor 11, an oil return pipe 28 for returning the oil captured by the oil separator 22 into the case 12, and an electric valve 30 disposed on the oil return pipe 28, and a valve opening of the electric valve 30 is adjusted according to an operation frequency of the compressor 11.


Inventors:
SASAKI HIDETAKA
KAWAKUBO KEN
OTAKE MASAHISA
HASEGAWA SETSU
Application Number:
JP2009148458A
Publication Date:
January 13, 2011
Filing Date:
June 23, 2009
Export Citation:
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Assignee:
SANYO ELECTRIC CO
International Classes:
F25B1/00; F25B1/10; F25B43/02
Domestic Patent References:
JPS63290351A1988-11-28
JP2009079820A2009-04-16
JP2003240311A2003-08-27
JP2002206814A2002-07-26
JP2006329568A2006-12-07
JPH01302072A1989-12-06
JP2006329567A2006-12-07
JP2001082815A2001-03-30
Attorney, Agent or Firm:
Masayuki Kushibuchi
Kushibuchi Kazue