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Title:
METAL BASE PLATE MATERIAL FOR USE IN HEAT EXCHANGE PLATE
Document Type and Number:
WIPO Patent Application WO/2019/073807
Kind Code:
A1
Abstract:
A metal base plate material for use in a heat exchange plate built into a plate-type heat exchanger, wherein the surface of the base plate material is provided with a plurality of strip-shaped first regions and a plurality of strip-shaped second regions, which are provided alternately and in parallel, the strips-shaped first regions have a plurality of first protrusions arranged substantially parallel to each other and at substantially equal intervals such that an angle of intersection with the longitudinal direction is between 10 and 25 degrees, the strip-shaped second regions have a plurality of second protrusions arranged substantially parallel to each other and at substantially equal intervals, at an angle allowing the plurality of second protrusions to face the plurality of first protrusions in the transverse direction, the first regions and the second regions are separated from each other at substantially equal intervals with a gap region therebetween, and when one direction in the longitudinal direction of the first regions and the second regions is defined as the downstream direction a first end on the downstream side of the plurality of first protrusions and a second end on the downstream side of the plurality of second protrusions are offset from each other in the longitudinal direction.

Inventors:
TAMURA Keitaro
ITSUMI Yoshio
FUKUTANI Kazuhisa
OKAMOTO Akio
Application Number:
JP2018/035935
Publication Date:
April 18, 2019
Filing Date:
September 27, 2018
Export Citation:
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Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) (2-4 Wakinohama-Kaigandori 2-chome, Chuo-ku Kobe-sh, Hyogo 85, 〒6518585, JP)
International Classes:
F28F3/04; F28D9/00; F28F13/04
Foreign References:
JP2015161449A2015-09-07
JP2007510122A2007-04-19
US20160021784A12016-01-21
JP2007333254A2007-12-27
US20120024510A12012-02-02
US6938685B22005-09-06
US20050081379A12005-04-21
JPH01184399A1989-07-24
Attorney, Agent or Firm:
AMANO Kazunori (6th Floor Fujikogyo Building, 1-18, Aioi-cho 1-chome, Chuo-ku, Kobe-sh, Hyogo 25, 〒6500025, JP)
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