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Title:
EXTRACTION DEVICE AND METHOD FOR REFRIGERATING MACHINE
Document Type and Number:
WIPO Patent Application WO/2012/140974
Kind Code:
A1
Abstract:
A extraction device (5) for a refrigerating machine (1) removes non-condensed gas (G) present in the refrigerating machine (1). The extraction device (5) is provided with: an extraction tank (61) used to circulate a refrigerant (A) within an evaporator (31); circulation piping (8) circulating through both the extraction tank (61) and the evaporator (31); an extraction pump (71) for delivering the refrigerant (A) from the evaporator (31) to the extraction tank (61); a shutoff valve (72) capable of blocking the flow of the refrigerant (A) from the extraction tank (61) to the evaporator (31); an extraction means (73) for extracting the non-condensed gas (G) present in the refrigerating machine (1) to the extraction tank (61); and an auxiliary tank (62) for allowing the refrigerant (A) saturated within the extraction tank (61) and spilling out of the extraction tank (61) to flow into the auxiliary tank (62).

Inventors:
YONEZAWA YASUO (JP)
SAWAI SHINGO (JP)
MURAKAMI TAKASHI (JP)
MURAI NORIMICHI (JP)
SHIMIZU TOSHIHARU (JP)
Application Number:
PCT/JP2012/055714
Publication Date:
October 18, 2012
Filing Date:
March 06, 2012
Export Citation:
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Assignee:
UNION INDUSTRY CO LTD (JP)
YONEZAWA YASUO (JP)
SAWAI SHINGO (JP)
MURAKAMI TAKASHI (JP)
MURAI NORIMICHI (JP)
SHIMIZU TOSHIHARU (JP)
International Classes:
F25B43/04
Foreign References:
JPH11257797A1999-09-24
JP2010065917A2010-03-25
JP2009511855A2009-03-19
JPH11118301A1999-04-30
JPH08313119A1996-11-29
Attorney, Agent or Firm:
AICHI, Takahashi, Iwakura & Associates (JP)
Patent business corporation あいち international patent firm (JP)
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Claims:



 
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