Title:
HEAT TRANSFER FIN, FIN-TUBE HEAT EXCHANGER, AND HEAT PUMP DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/069299
Kind Code:
A1
Abstract:
A heat transfer fin (3A) comprises: a base (4); a tube-shaped collar (5) which rises from the base (4); a protrusion (51) which is a part of the front end of the collar (5), the part protruding outward from the front end of the collar (5) in the radial direction of the collar (5); and a wall (52) which is formed at the front end of the collar (5) so as to extend to a region other than the protrusion (51). The height (B) of the wall (52) from the base (4) is greater than the height (A) of the protrusion (51) from the base (4).
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Inventors:
HASHIMOTO ATSUNORI
TANIGUCHI KAZUHIRO
YOKOYAMA SHOICHI
OZAKI MICHIHITO
HOSOKAWA KAORU
TANIGUCHI KAZUHIRO
YOKOYAMA SHOICHI
OZAKI MICHIHITO
HOSOKAWA KAORU
Application Number:
PCT/JP2012/007197
Publication Date:
May 16, 2013
Filing Date:
November 09, 2012
Export Citation:
Assignee:
PANASONIC CORP (JP)
International Classes:
F28F1/32; F25B39/00
Foreign References:
| JP2011064403A | 2011-03-31 | |||
| JPS58127092A | 1983-07-28 | |||
| US5706695A | 1998-01-13 | |||
| JP2010169344A | 2010-08-05 |
Other References:
See also references of EP 2778593A4
Attorney, Agent or Firm:
KAMADA, Koichi et al. (JP)
Koichi Kamata (JP)
Koichi Kamata (JP)
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Claims: