Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2019/069703
Kind Code:
A1
Abstract:
A tube plate (20) of a heat exchanger (100) has: a tube plate base material (22) to which the ends of a plurality of heat transfer tubes (30) are fixed; a first backplate (23) covering the first tube chamber (15a)-side surface (22a) of the tube plate base material (22); and a fastener having at least a shaft part, the fastener fixing the first backplate (23) to the tube plate base material (22). The first backplate (23) has heat transfer tube insertion holes through which the plurality of heat transfer tubes (30) are inserted, and an insertion hole into which the shaft part is loosely inserted. The first backplate (23) is joined to the first end-side (D1) end part of a second partition wall (60). The second partition wall (60), the first backplate (23), and the fastener are formed from a material that has a higher corrosion resistance than the tube plate base material (22).

Inventors:
NAKAMURA Taichi (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
YANO Hiroshi (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
FUKUMA Shungo (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
HIRAOKA Satoshi (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
TAGASHIRA Masanori (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
KIRIHARA Kenji (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
Application Number:
JP2018/034901
Publication Date:
April 11, 2019
Filing Date:
September 20, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI HITACHI POWER SYSTEMS, LTD. (3-1 Minatomirai 3-Chome, Nishi-ku Yokohama-sh, Kanagawa 01, 〒2208401, JP)
International Classes:
F28D7/16; F28F9/02; F28F19/06
Foreign References:
JPS5082058U1975-07-15
JPS57132990U1982-08-19
US7185698B12007-03-06
JPS59130990U1984-09-03
KR101689109B12016-12-22
US20170211895A12017-07-27
JP2004069102A2004-03-04
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
Download PDF: