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Title:
HEAT EXCHANGER AND AIR CONDITIONER PROVIDED WITH SAID HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2014/024221
Kind Code:
A1
Abstract:
This heat exchanger (1) is provided with: a plurality of fins (12) stacked at a predetermined fin pitch; and a plurality of flat-cross-sectioned heat transmission tubes (10) that penetrate the fins (12) along the direction of stacking. In the fins (12), a plurality of notches (13) are formed at the ends in the lengthwise direction thereof and having a shape corresponding to the cross-sectional shape of the heat transmission tubes (10); a collar (14) is formed at the edge of the notches (13); the heat transmission tubes (10) are inserted into the notches (13); the fin pitch between a subset of the plurality of fins (12) is larger than the fin pitch between the remaining fins (12); and at least the larger fin pitch is greater than the height of the collars (14).

Inventors:
IKEDA RYOICHI (JP)
MURATA AKIO (JP)
MIYAKE NOBUAKI (JP)
OKAZAWA HIROKI (JP)
SUZUKI WATARU (JP)
MATSUDA TAKUYA (JP)
Application Number:
PCT/JP2012/005041
Publication Date:
February 13, 2014
Filing Date:
August 08, 2012
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
IKEDA RYOICHI (JP)
MURATA AKIO (JP)
MIYAKE NOBUAKI (JP)
OKAZAWA HIROKI (JP)
SUZUKI WATARU (JP)
MATSUDA TAKUYA (JP)
International Classes:
F28F1/32; F24F5/00; F28F1/18
Domestic Patent References:
WO2008146709A12008-12-04
WO2006068210A12006-06-29
Foreign References:
JP2011144998A2011-07-28
JP2006336935A2006-12-14
JP2008261611A2008-10-30
JPH07198167A1995-08-01
JPH09145097A1997-06-06
JP2007024426A2007-02-01
JP2010156525A2010-07-15
JPH08270985A1996-10-18
JP2006153332A2006-06-15
JP2008138939A2008-06-19
JPS5813249B21983-03-12
JPS589358B21983-02-21
JPH0380571B21991-12-25
JP4417620B22010-02-17
JPS63233296A1988-09-28
JP2004245531A2004-09-02
JP2008008541A2008-01-17
Other References:
See also references of EP 2884211A4
Attorney, Agent or Firm:
KOBAYASHI, Hisao et al. (JP)
Hisao Kobayashi (JP)
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