Title:
AIR HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2014/038038
Kind Code:
A1
Abstract:
Provided is an air heat exchanger with which deviation in the distribution ratio between multiple refrigerant flow paths formed by means of a connecting region within flat tubes is suppressed, thereby improving the heat exchange efficiency. Multiple upstream refrigerant flow paths, a connecting region, and multiple downstream refrigerant flow paths are formed along the flow of the refrigerant within flat tubes, with at least one outlet of an upstream refrigerant flow path and an inlet of a downstream refrigerant flow path arranged shifted with respect to each other. Thus, because the outlet of the upstream refrigerant flow path and the inlet of the downstream refrigerant flow path are arranged shifted with respect to each other in the connecting region, the flow of the refrigerant is disturbed at the end surface of the inlet of the downstream refrigerant flow path, even if the refrigerant that has passed through the refrigerant flow path has a high flow speed, and thus the distribution ratio can be improved.
Inventors:
SATO WATARU (JP)
SASAKI SHIGEYUKI (JP)
SASAKI SHIGEYUKI (JP)
Application Number:
PCT/JP2012/072742
Publication Date:
March 13, 2014
Filing Date:
September 06, 2012
Export Citation:
Assignee:
HITACHI LTD (JP)
SATO WATARU (JP)
SASAKI SHIGEYUKI (JP)
SATO WATARU (JP)
SASAKI SHIGEYUKI (JP)
International Classes:
F28F1/02; F28F13/12
Foreign References:
| JPH1047883A | 1998-02-20 | |||
| JPH04332393A | 1992-11-19 | |||
| JP2002107082A | 2002-04-10 | |||
| JPH11223398A | 1999-08-17 | |||
| JPS5174857U | 1976-06-12 | |||
| JP2003042677A | 2003-02-13 | |||
| JP2004061065A | 2004-02-26 |
Attorney, Agent or Firm:
POLAIRE I. P. C. (JP)
Polaire Intellectual Property Corporation (JP)
Polaire Intellectual Property Corporation (JP)
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