Title:
HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2014/147977
Kind Code:
A1
Abstract:
In the present invention, at least two types of pathways through which a plurality of fluids flow weld together a plurality of cores (2a, 2b) that are disposed laminated in alternation. The entirety of the bottoms of the plurality of cores (2a, 2b) is covered by a bottom header tank (2), and a fluid is caused to flow through the plurality of cores (2a, 2b). A dummy layer (14) is provided through which the plurality of fluids do not flow at the sides at which the cores (2a, 2b) are welded together, and a welding spacer (18) is welded across the entire perimeter of the rim of a side plate (16) of the dummy layer (14). A through hole (16a) that discharges water within the dummy layer (14) is provided to the bottom end of the side plate of the dummy layer (14). Also, a fluid discharge hole (20) that discharges water is provided to the bottom corner of the welding spacer (18).
Inventors:
SHIGEMORI HIDEKI (JP)
KITAGISHI KOICHI (JP)
HOTTA SHOZO (JP)
KITAGISHI KOICHI (JP)
HOTTA SHOZO (JP)
Application Number:
PCT/JP2014/001128
Publication Date:
September 25, 2014
Filing Date:
March 03, 2014
Export Citation:
Assignee:
SUMITOMO PRECISION PROD CO (JP)
International Classes:
F28F3/00; F28D9/02
Foreign References:
| JP2010101617A | 2010-05-06 | |||
| JP2007163131A | 2007-06-28 | |||
| JP2006200864A | 2006-08-03 | |||
| US3517731A | 1970-06-30 | |||
| JP2010101617A | 2010-05-06 |
Other References:
See also references of EP 2950030A4
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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