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Patent Searching and Data


Title:
HEAT EXCHANGER AND REFRIGERATION DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2018/074344
Kind Code:
A1
Abstract:
In the present invention, a plurality of protrusions (12) are provided to a flowpath region (P) that connects the inlet side header flowpath (10) and the outlet side header flowpath (14) of the plate fins (2a), and the protrusions (12) come into contact with the surface of the adjoining plate fins, forming a raised shape and opening the direction of flow of a second fluid that flows between the layers of the plate fins (2a). As a result of this configuration, by means of the protrusions (12) it is possible to eliminate variation in the gaps between the layers of plate fins (2a), and it is possible to generate a leading edge effect at the raised edge part of the protrusions (12), thereby making it possible to improve heat exchange efficiency. Furthermore, the protrusions (12) eliminate the need to take thickness from the indented flat surfaces between flowpaths, making it possible to make the indented flat surfaces narrower, and to reduce the size of the heat exchanger by a corresponding amount.

Inventors:
NAGOSHI KENJI
YAMAMOTO NORIAKI
OSHIRO TAKAHIRO
OKUMURA TAKUYA
MARUMOTO KAZUHIKO
Application Number:
PCT/JP2017/037131
Publication Date:
April 26, 2018
Filing Date:
October 13, 2017
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F28F3/04; F25B39/00; F28D1/03
Domestic Patent References:
WO2014171095A12014-10-23
Foreign References:
JP2016151392A2016-08-22
JP2006322698A2006-11-30
JP2006084078A2006-03-30
JP2008122058A2008-05-29
JP2008190775A2008-08-21
US3380518A1968-04-30
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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