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:
Sep. 12, 2023
Filed:
Jan. 07, 2019
Robert Bosch Gmbh, Stuttgart, DE;
Marcus Guenther, Gerlingen, DE;
Richard Braak, Stuttgart, DE;
Gerald Schuetze, Marbach, DE;
Michael Fraune, Stuttgart, DE;
Abstract
The invention relates to an antiwear-coated metal component (), in particular for a ball valve (), the tribosurface of which component is at least partially provided with a multi-layer antiwear coating (). The antiwear coating () has at least a metal adhesion layer (), an adhesion-promoting layer () and at least one first cover layer (). The adhesion-promoting layer () comprises a carbide-forming metal or a boride-forming metal. The at least first cover layer () comprises a hydrogen-free tetrahedral carbon. The invention further relates to a method for applying an antiwear coating () to a metal substrate () in order to produce an antiwear-coated metal component () of this type. The invention further relates to a ball valve, comprising an antiwear-coated metal component () of this type and an antiwear coating ().