Title:
HEAT EXCHANGER AND AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2013/046729
Kind Code:
A1
Abstract:
In an outdoor heat exchanger (23), a plurality of flat pipes (33) are divided in the direction of arrangement into a main heat exchange portion (34) and a supplemental heat exchange portion (35) so that the coolant flows from the main heat exchange portion (34) to the supplemental heat exchange portion (35) when functioning as a condenser, and from the supplemental heat exchange portion (35) to the main heat exchange portion (34) when functioning as an evaporator. The supplemental heat exchange proportion Y of the heat-transfer area of the supplemental heat exchange portion (35) of the flat pipes (33) relative to the overall heat-transfer area of the flat pipes (33) is established based on the supercooling proportion X of the degree of supercooling SC by the coolant flowing from the supplemental heat exchange portions (35) to the header collecting pipes (31, 32) relative to the difference in temperature ΔT between the condensing temperature of the coolant during functioning as a condenser and the air temperature before the heat exchange.
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Inventors:
JINDOU MASANORI
ORITANI YOSHIO
ORITANI YOSHIO
Application Number:
PCT/JP2012/006275
Publication Date:
April 04, 2013
Filing Date:
October 01, 2012
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F25B39/00; F24F1/0063; F25B39/02; F25B39/04; F28F9/02
Foreign References:
| JP2011102650A | 2011-05-26 | |||
| JP2010065914A | 2010-03-25 | |||
| JPH109713A | 1998-01-16 | |||
| JP2008281326A | 2008-11-20 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
Patent business corporation MAEDA PATENT OFFICE (JP)
Patent business corporation MAEDA PATENT OFFICE (JP)
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Claims: