Title:
DOUBLE PIPE
Document Type and Number:
WIPO Patent Application WO/2017/159542
Kind Code:
A1
Abstract:
Provided is a double pipe (61) that has an inner pipe (63) in which a low-pressure gas refrigerant flows and an outer pipe (62) that has the inner pipe (63) inside and in which a high-pressure liquid refrigerant flows between same and the inner pipe (63), wherein the inner pipe (63) has a plate member (64) that divides the interior of the inner pipe (63) into a plurality of chambers (63a, 63b) and that extends in the longitudinal direction. The plate member (64) is helical in the longitudinal direction.
Inventors:
YOSHIDA HIROYUKI (JP)
HATAKEYAMA JUN (JP)
OONO HIROYUKI (JP)
HATAKEYAMA JUN (JP)
OONO HIROYUKI (JP)
Application Number:
PCT/JP2017/009548
Publication Date:
September 21, 2017
Filing Date:
March 09, 2017
Export Citation:
Assignee:
CALSONIC KANSEI CORP (JP)
International Classes:
F28D7/10; F16L9/18; F25B40/00; F28F1/40
Domestic Patent References:
| WO2014091558A1 | 2014-06-19 |
Foreign References:
| JP2003329376A | 2003-11-19 | |||
| JP2013002657A | 2013-01-07 | |||
| JP2013061138A | 2013-04-04 | |||
| JPS57190288U | 1982-12-02 | |||
| DE19729725A1 | 1999-01-14 | |||
| JP2008074388A | 2008-04-03 | |||
| JP2015128916A | 2015-07-16 | |||
| JP4350079B2 | 2009-10-21 |
Other References:
See also references of EP 3431912A4
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
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