HEAT EXCHANGER AND REFRIGERATION CYCLE DEVICE

Title:

HEAT EXCHANGER AND REFRIGERATION CYCLE DEVICE

Document Type and Number:

WIPO Patent Application WO/2018/225252

Kind Code:

A1

Abstract:

The heat exchanger relating to the present invention is provided with: a plurality of heat transfer pipes that are disposed in the vertical direction at predetermined intervals; a tubular header having, on a side surface portion thereof, a plurality of connection sections, to which the heat transfer pipes are connected, said tubular header being in communication with the heat transfer pipes; a refrigerant pipe in communication with the header at a header middle portion in the vertical direction; and a first bypass pipe having one end that is in communication with a lower portion of the header, and the other end that is in communication with a middle portion of the refrigerant pipe. The distance between an inner wall of the header, and the position where the first bypass pipe and the refrigerant pipe are in communication with each other is within double the inner diameter of the refrigerant pipe.

Inventors:

SUN FAMING (JP)
ONAKA YOJI (JP)
MATSUI SHIGEYOSHI (JP)
UEMURA TAKAMASA (JP)

Application Number:

PCT/JP2017/021493

Publication Date:

December 13, 2018

Filing Date:

June 09, 2017

Export Citation:

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Assignee:

MITSUBISHI ELECTRIC CORP (JP)

International Classes:

F25B39/00; F28F9/02; F25B39/02; F25B41/00; F28F9/26

Domestic Patent References:

WO2011135946A1

2011-11-03

Foreign References:

JPS5426762U	1979-02-21
JP2016084993A	2016-05-19
JPS5513350U	1980-01-28
JP2014122770A	2014-07-03
JP2012163310A	2012-08-30
JP2015017738A	2015-01-29
JP2001108331A	2001-04-20
JP2016148483A	2016-08-18

Other References: