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Patent Searching and Data


Title:
OFFSET FIN AND HEAT EXCHANGER HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2015/170456
Kind Code:
A1
Abstract:
An offset fin used for a heat exchanger comprises a first wave-shaped structure and a second wave-shaped structure. The first wave-shaped structure has a plurality of first fin portions arranged in a first direction. The second wave-shaped structure has a plurality of second fin portions arranged in the first direction. The second wave-shaped structure is disposed on the first wave-shaped structure in a second direction perpendicular to the first direction. The first fin portions and the second fin portions each alternately protrude in a third direction perpendicular to the first and second directions and have a convex cross-sectional shape. The second fin portions are placed, in the first direction, at an offset with respect to the first fins. The first fin portions each have a first side wall inclined with respect to the second direction. The second fin portions each have a second side wall inclined with respect to the second direction, but the inclination is opposite to that of the first side wall.

Inventors:
TAKAMI FUMINORI
ASAIDA YASUHIRO
HOJO SATOAKI
SEGAWA TERUTSUGU
Application Number:
PCT/JP2015/002218
Publication Date:
November 12, 2015
Filing Date:
April 24, 2015
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F28F3/06; F28D9/02; F28F3/08; F28F13/12
Domestic Patent References:
WO2013153157A12013-10-17
Foreign References:
JPH01170881U1989-12-04
JPS5254957U1977-04-20
JPH0596773U1993-12-27
JP2009299968A2009-12-24
JP2007183071A2007-07-19
JPS6325494A1988-02-02
JP2010096456A2010-04-30
JP2005147572A2005-06-09
Attorney, Agent or Firm:
FUJII, Kentaro et al. (JP)
Fujii Kentaro (JP)
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