The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 10, 2004
Filed:
Jan. 09, 2001
David Earl Gay, Pendleton, IN (US);
Delphi Technologies, Inc., Troy, MI (US);
Abstract
A composition of metal powder for powder metallurgy applications comprising an iron-based powder metal admixed with a minority fraction of a ferrite powder having a lesser particle-size distribution. The ferrite particles are associated with an exterior surface of the iron-based particles and, after compression molding by a powder metallurgy technique, are incorporated into the microstructural pores between adjacent particles of iron-based powder. A composite structure formed from the composition of the present invention has an improved overall permeability and overall resistivity. A binder, such as a thermoplastic polyacrylate, may be added to the admixture of iron-based and ferrite powders for promoting the association of the ferrite powder with the iron-based powder.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile