Coated valve for internal combustion engine

US4811701A · kind A · utility

Assignee

• Daimler-Benz AG · DE

Inventors

• Horst Buhl · Waiblingen, DE
• Wolfgang Kleinekathofer · Schwäbisch Gmünd, DE
• Eggert Tank · Wernau, DE

Key dates

• Filing date: Jun 3, 1988
• Grant date: Mar 14, 1989
• Expiry date: Jun 3, 2008

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F02B1/04
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A coated valve, in particular an inlet valve for internal combustion engines, is provided, which is provided with a deposit preventing layer containing cerium (IV) oxide. A process for coating a valve with the deposit preventing layer containing cerium (IV) oxide is also provided.