Cast piston for an internal combustion engine, consisting of an iron-based material

US11686270B2 · kind B2 · utility

Assignee

• Federal-Mogul Nurnberg GmbH · DE

Inventors

• Christoffer Schmoll · Nuremberg, DE
• Rainer Weiss · Hattersheim, DE
• Michael Seiffert · Nuremberg, DE
• Mark Day · Houston, US
• Georg Hopp · Nuremberg, DE
• Florian Sigel · Erlangen, DE

Key dates

• Filing date: Jun 6, 2019
• Grant date: Jun 27, 2023
• Expiry date: Jun 6, 2039

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F05C2201/0448
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A cast piston for an internal combustion engine is made of an iron-based material and has windows in at least one side wall carrying a piston pin boss. The windows are asymmetric relative to one another on the side of the skirt walls.