Plastic oil pan

US4938314A · kind A · utility

Assignee

• Dr. Ing. h.c. F. Porsche AG · DE

Inventors

• Klaus Sitzler · Stuttgart, DE
• Herbert Ampferer · Sachsenheim, DE

Key dates

• Filing date: Nov 1, 1989
• Grant date: Jul 3, 1990
• Expiry date: Nov 1, 2009

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S277/91
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A plastic oil pan for internal-combustion engines is disclosed which includes an oil drain plug screwed into a threaded insert. This oil drain plug is braced with respect to the threaded insert. In order to avoid an undesirable discharge of oil when the oil drain plug is fixed, a radial seal is operative between the oil drain plug and a recess in a local thickening of the oil pan.