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Title:
EJECTOR-TYPE REFRIGERATION CYCLE
Document Type and Number:
WIPO Patent Application WO/2015/029346
Kind Code:
A1
Abstract:
An ejector-type refrigeration cycle comprises: an upstream-side branching unit (13a) that branches the flow of refrigerant flowing from a radiator (12); an upstream-side ejector (14) having an upstream-side nozzle unit (14a) that decompresses one of the refrigerant streams branched by the upstream-side branching unit (13a); and a gas-liquid separator (15) that separates the gas and liquid in the refrigerant flowing from the upstream-side ejector (14). The liquid-phase refrigerant flowing from the gas-liquid separator (15) is decompressed in a low-pressure-side fixed throttle (16b) and evaporated in a first evaporator (17), and the other refrigerant stream branched by the upstream-side branching unit (13a) is decompressed in a high-pressure-side fixed throttle (16a) and evaporated in a second evaporator (18). Furthermore, the refrigerant flowing from the first evaporator (17) and the refrigerant flowing from the second evaporator converge in a convergence unit (13b) and are drawn in from an upstream-side refrigerant suction port (42) of the upstream-side ejector (14). Therefore, in an ejector-type refrigeration cycle equipped with multiple evaporators, the ability of each evaporator to cool a fluid to be cooled can be made comparable.

Inventors:
NAKAJIMA DAISUKE (JP)
TAKANO YOSHIAKI (JP)
NISHIJIMA HARUYUKI (JP)
YOKOYAMA YOSHIYUKI (JP)
Application Number:
PCT/JP2014/004114
Publication Date:
March 05, 2015
Filing Date:
August 06, 2014
Export Citation:
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Assignee:
DENSO CORP (JP)
International Classes:
F25B1/00; F25B5/02; F25B43/00
Foreign References:
JP2006125823A2006-05-18
JP2012021761A2012-02-02
CN102778076A2012-11-14
JP2012202653A2012-10-22
JP2010210111A2010-09-24
JP2010266198A2010-11-25
JP2008107055A2008-05-08
JP2012149790A2012-08-09
US20130111944A12013-05-09
JP2005308384A2005-11-04
JP2013108632A2013-06-06
JP2014115069A2014-06-26
Attorney, Agent or Firm:
KIN, Junhi (JP)
Gold Junki (JP)
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