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. 20, 2011
Filed:
Feb. 27, 2007
Dirk Becker, Alchwald, DE;
Marcus Brand, Karlsruhe, DE;
Patrick Izquierdo, Ulm, DE;
Wolfgang Pellkofer, Ulm, DE;
Christian Russer, Ulm, DE;
Dirk Becker, Alchwald, DE;
Marcus Brand, Karlsruhe, DE;
Patrick Izquierdo, Ulm, DE;
Wolfgang Pellkofer, Ulm, DE;
Christian Russer, Ulm, DE;
Daimler AG, Stuttgart, DE;
Abstract
Piston pin for a connecting rod in a reciprocating internal combustion engine, wherein the piston pin carries at least in the area of the running surface a thermal sprayed slide layer of a metallic bearing material or slide bearing material, as well as reciprocating internal combustion engine with a connecting rod with small and with large connecting rod eye, wherein at least the running surface of one of the piston pins is formed of a thermal sprayed slide layer of a metallic bearing material, which exhibits a lower hardness than the running surface of the corresponding connecting rod eye and process for manufacturing a described piston pin with the steps of a extrusion molding or machining a piston pin preform, introduction of a recess in the area which will later become the running surface, roughening the outer surface in the area of the recess, application of a coating of a bearing material by a thermal spray process.