Automatic tank closure for a fuel tank

US7096899B2 · kind B2 · utility

Assignee

• Alfmeier Prazision AG Baugruppen · DE

Inventors

• Siegfried Vetter · Treuchtlingen, DE
• Markus Stephan · Wien, AT

Key dates

• Filing date: Oct 4, 2004
• Grant date: Aug 29, 2006
• Expiry date: Oct 4, 2024

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60K2015/0451
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

An automatic tank closure for a motor vehicle tank with a housing having a penetrating input opening and having an opening and closing closure flap with pivotal bearings, which is subjected to spring loading in the closing direction is provided. The closure flap is located within the input opening for the closing of the same and whereby in the closed position between the closure flap and the housing is placed a sealing surface with a sealing seat, which conically widens itself toward the interior of the tank and coacts with a sealing ring. The sealing ring is designed with at least one lip seal and sealingly coacts with the sealing surface.