Title:
WELDING STRUCTURE AND WELDING METHOD FOR ALUMINUM ACCUMULATOR AND HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2005/123318
Kind Code:
A1
Abstract:
A welding structure and a welding method for an aluminum accumulator capable of reducing defective welding and smoothly flowing a refrigerating machine oil and a heat exchanger. The welding structure for the aluminum accumulator comprises an aluminum pipe having a beading processed part, the aluminum accumulator, and a stainless steel sleeve. The stainless steel sleeve is inserted into the end part of the aluminum pipe so that the end face of the stainless steel sleeve matches the end face of the aluminum pipe. The aluminum pipe is inserted into the aluminum accumulator up to the beading processed part, and the aluminum pipe and the aluminumaccumulator are welded to each other at a joint part where the aluminum pipe, the aluminum accumulator, and the stainless steel sleeve are overlapped with each other.
Inventors:
ITO KAZUHIKO
Application Number:
PCT/JP2005/011567
Publication Date:
December 29, 2005
Filing Date:
June 17, 2005
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
ITO KAZUHIKO
ITO KAZUHIKO
International Classes:
B23K9/00; B23K9/23; B23K31/02; F25B39/00; F25B39/02; F25B41/00; F25B43/00; F28F9/26; (IPC1-7): B23K9/00; B23K9/23; F25B39/02; F25B43/00
Foreign References:
| JP2510819Y2 | 1996-09-18 | |||
| JPH0611211A | 1994-01-21 | |||
| JPH0635773U | 1994-05-13 |
Attorney, Agent or Firm:
Iwahashi, Fumio c/o Matsushita Electric Industrial Co. Ltd. (1006, Oaza Kadoma, Kadoma-sh, Osaka 01, JP)
Download PDF: