Patent · US Expired

Brazing sheet and method

US6911267B1 · kind B1 · utility

2Cited by
1References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 10, 2003
Grant dateJun 28, 2005
Priority date
Expiry dateSep 10, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12764
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

The present invention is directed to a brazing sheet comprising an aluminum 3xxx series core alloy wherein at least one side thereof is provided with an aluminum clad material comprising from 0.7-2.0% Mn and 0.7-3.0.0% Zn, wherein the clad is capable of being used as an Inner-liner of a heat exchange product. In one embodiment one side of the core alloy is provided a material that comprises from 0.7-2.0% Mn and 0.7-3.0% Zn and the other side of the core is provided with an aluminum alloy comprising at least 5.5% Si. Thee are further provided methods for preparing brazing sheets as described herein as well as methods for use of brazing sheet materials including as tube stock and as heat exchangers, as well as other applications.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.