Tank cap

US6547089B2 · kind B2 · utility

Assignee

• Tesma Motoren-Und Getriebetechnik GmbH · AT

Inventors

• Gunther Pozgainer · Graz, AT
• Wolfgang Suppan · Studenzen, AT
• Gerald Lackner · Arnoldstein, AT
• Conrad Scharrer · Hilden, DE

Key dates

• Filing date: May 23, 2001
• Grant date: Apr 15, 2003
• Expiry date: May 23, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S220/33
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A tank cap has a cap part, a filler neck for receiving a refueling nozzle wherein the neck can be closed by the cap part via a rotary closure having at least two seals arranged on the cap part and active between the cap part and the neck. The sealing surfaces on the neck are provided behind a raised region of a protuberance and below at least one projection.