Brake disk

US9394955B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Wolfgang Huschenhoefer · Aßlar, DE
• Georg Ketteler · Bamberg, DE
• Roland Raab · Wiesloch, DE
• Vincent Dupuis · Issy-les-Moulineaux, FR
• Olivier Bugada · Esslingen am Neckar, DE
• Hagen Kuckert · Bietigheim-Bissingen, DE
• Andreas Mayer · Linz, AT

Key dates

• Filing date: Dec 12, 2012
• Grant date: Jul 19, 2016
• Expiry date: Jun 19, 2033

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16D2250/0046
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A gray cast iron brake disk has a thermally applied wear-reducing surface coating containing chromium and/or tungsten carbides. The surface coating has a roughness reduced to about 0.5 to 1 μm to shorten a wearing-in period.