Title:
HEAT EXCHANGER
Document Type and Number:
Japanese Patent JP2018048781
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve drain performance of condensate water in a heat exchanger which has a plurality of flat tubes arranged along the vertical direction in a state where a flat surface faces the vertical direction, and a plurality of heat transfer fins each of which is formed so that a cutout part in which the flat tube is inserted extends along a ventilation direction from the leeward side to the windward side, and in which a fin windward part is formed extending continued to a plurality of fin main parts sandwiched between vertically adjacent cutout parts on the further windward side in the ventilation direction than the cutout part.SOLUTION: A heat transfer fin (66) includes a fin collar part (83) extending toward one direction side in a fin lamination direction from a peripheral edge part of a cutout part (67). Between an upper part (83a) of the fin collar part and a flat surface (64a) on the upper side of a flat tube (63), a gap (C) extending along a ventilation direction is formed, and at the fin collar upper part (83a), a window part (90) is formed for communicating a space (S) on the upper side of the fin collar upper part (83a) and the gap (C).SELECTED DRAWING: Figure 8
Inventors:
SATO TAKESHI
SHINDO MASANORI
YAMADA KOKI
SHINDO MASANORI
YAMADA KOKI
Application Number:
JP2016185285A
Publication Date:
March 29, 2018
Filing Date:
September 23, 2016
Export Citation:
Assignee:
DAIKIN IND LTD
International Classes:
F28F1/30; F25B39/02; F28D1/053; F28F1/02; F28F1/32
Domestic Patent References:
| JP2011064403A | 2011-03-31 | |||
| JP2003262485A | 2003-09-19 | |||
| JP2006010288A | 2006-01-12 |
Foreign References:
| WO2013105133A1 | 2013-07-18 | |||
| WO2016038652A1 | 2016-03-17 |
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation