Title:
PLATE TYPE HEAT EXCHANGER AND METHOD FOR MANUFACTURE THEREOF
Document Type and Number:
WIPO Patent Application WO/2002/053318
Kind Code:
A1
Abstract:
A plate type heat exchanger wherein contacting portions of laminated plural plates and fins or contacting portions of laminated plural plates are brazed to form a heat exchange area, characterized in that at least the surface of a plate or fin contacting with a fluid is covered with an alloy having a chemical composition in wt %: chromium: 25 to 35 %, phsphorus: 5 to 7 %, silicon: 3 to 5 %, at least one selected from the group consisting of aluminum, calcium, yttrium and mish metal: 0.001 to 0.1 %, and balance: mainly nickel. The alloy may contain 15 % or less of iron and/or 10 % or less of molybdenum. The plate type heat exchanger exhibits enhanced compressive strength and is excellent in corrosion resistance.
Inventors:
TADA KAORU (JP)
Application Number:
PCT/JP2001/010707
Publication Date:
July 11, 2002
Filing Date:
December 06, 2001
Export Citation:
Assignee:
BRAZING CO LTD (JP)
TADA KAORU (JP)
TADA KAORU (JP)
International Classes:
B23K35/30; F28D9/00; F28F21/08; (IPC1-7): B23K35/30; F28F3/08
Foreign References:
| GB2347939A | 2000-09-20 | |||
| JPH09225679A | 1997-09-02 | |||
| JP2000171188A | 2000-06-23 | |||
| JP2000190069A | 2000-07-11 |
Other References:
See also references of EP 1364740A1
Attorney, Agent or Firm:
Takeishi, Yasuhiko (Takamiya-cho Oike-dori Takakura Nishi-iru Nakagyo-ku, JP)
Download PDF:
Previous Patent: WELDING ASSEMBLY WITH NESTABLE CONDUCTIVE ENDS
Next Patent: ROTATIONAL POWER TRANSFER DEVICE
Next Patent: ROTATIONAL POWER TRANSFER DEVICE