Title:
HEAT EXCHANGER, AND REFRIGERATION CYCLE DEVICE WITH SAME
Document Type and Number:
WIPO Patent Application WO/2018/061565
Kind Code:
A1
Abstract:
This heat exchanger comprises a plurality of heat exchange units each provided with an inner pipe through which first fluid flows, an insertion body which is inserted in the inner pipe, and at least one or more outer pipes which are provided on the outer periphery of the inner pipe and through which second fluid flows; and joint sections mounted to the inner pipes. Each of the insertion body comprises a shaft section and a helical protrusion which is disposed on the outer surface of the shaft section. The first fluid flows through helical flow passages formed by the inner surfaces of the inner pipes, the shaft sections, and the helical protrusions. At least two or more of the plurality of heat exchange units are in communication with each other through the joint sections.
Inventors:
KOISHIHARA KAZUKI
MACHIDA KAZUHIKO
YAMAOKA YUUKI
NAKATANI KAZUHITO
MACHIDA KAZUHIKO
YAMAOKA YUUKI
NAKATANI KAZUHITO
Application Number:
PCT/JP2017/030645
Publication Date:
April 05, 2018
Filing Date:
August 28, 2017
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F28D7/02; F28F9/26
Foreign References:
| JP2010127610A | 2010-06-10 | |||
| JP2003028583A | 2003-01-29 | |||
| JP2010091128A | 2010-04-22 | |||
| JP2008292107A | 2008-12-04 | |||
| JP2015034664A | 2015-02-19 | |||
| JP2016102643A | 2016-06-02 | |||
| JP2008190777A | 2008-08-21 | |||
| JPS5254959U | 1977-04-20 |
Other References:
See also references of EP 3521741A4
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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