Patent · US Active

Magnetically soft powder composite material, method for manufacturing same, and its use

US7686894B2 · kind B2 · utility

0Cited by

3References

19Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Adnan Okumus · Kornwestheim, DE
Waldemar Draxler · Markgröningen, DE

Key dates

Filing date	Jan 27, 2003
Grant date	Mar 30, 2010
Priority date	—
Expiry date	Oct 6, 2026

Classification

Technology area (CPC H)Electricity
CPC primaryH01F1/33
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A magnetically soft powder composite material is described, which is composed of at least 99.4 wt. % of a pure iron powder, a phosphatized iron powder, or an iron alloy powder and 0.05 wt. % to 0.6 wt. % of a soft ferrite powder and which is primarily suited for use in rapidly switching solenoid valves in motor vehicle engines. Furthermore, a method for manufacturing such a magnetically soft powder composite material includes the following method steps:

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