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:
Dec. 22, 2020
Filed:
Jan. 24, 2018
KS Gleitlager Gmbh, St. Leon-Rot, DE;
Werner Schubert, Wiesloch, DE;
KS Gleitlager GmbH, St. Leon-Rot, DE;
Abstract
The invention relates to a plain bearing composite material () having a metallic support layer () and a metallic bearing metal layer (), wherein the bearing metal layer () is a sinter layer () made of a copper/tin-based bronze powder (), wherein the bronze powder () comprises a metallic solid lubricant () which is not soluble or barely soluble in copper, such as bismuth in particular, and is applied to the support layer () in a pulverulent state and then sintered onto the support layer (); according to the invention, it is proposed that the bronze powder () is formed from powder fractions having different proportions of this solid lubricant (), wherein the solid lubricant proportion of a first powder fraction is greater than the solid lubricant proportion of a second powder fraction at least by a factor of 2.