Patent · US Expired

Vacuum brazing sheet for use in aluminum heat exchanger

US4721653A · kind A · utility

25Cited by
6References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 25, 1986
Grant dateJan 26, 1988
Priority date
Expiry dateSep 25, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24421
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A vacuum brazing sheet for use in drawn-cup type heat exchanger made of aluminum with the degree of closure from 0.2 to 4.0 cm.sup.2 /l, wherein a brazing material containing: PA0 Si 11-14 wt. % PA0 Mg 1.0-2.0 wt. % and the balance of Al is clad on one or both surfaces of aluminum or aluminum alloy material. The brazing performance can be improved and stabilized, and higher yield can be obtained.

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