Water-cooled cylinder head for a multicylinder internal-combustion engine

US7128028B2 · kind B2 · utility

Assignee

• Dr. Ing. h.c. F. Porsche AG · DE

Inventors

• Michael Paul · Passau, DE
• Frank Ickinger · Pleidelsheim, DE

Key dates

• Filing date: Sep 26, 2005
• Grant date: Oct 31, 2006
• Expiry date: Sep 26, 2025

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F02F2007/0063
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A water-cooled cylinder head for a multicylinder internal-combustion engine, has a cylinder head housing which has charge cycle ducts, passage bores for receiving cylinder head screws, valve stem guides for inlet and outlet valves controlling the charge cycle ducts, and part-spherical combustion chamber caps which are bounded by a water cooling jacket on a side facing away from the combustion chamber. One spark plug dome respectively has an opening leading to the combustion chamber of the respective cylinder. For reinforcing the cylinder head housing and/or for supporting the part-spherical combustion chamber caps, a rib structure is integrated in the cylinder head housing.