Bumper system for a motor vehicle and method for energy dissipation in the event of a head-on collision

US8733823B2 · kind B2 · utility

Assignee

• BENTELER AUTOMOBILTECHNIK GMBH · DE

Inventors

• Franz-Ulrich Brockhoff · Bramsche, DE
• Stefan Grottke · Rheine, DE
• Stefan Schmitz · Stuttgart, DE
• Holger Diersmann · Westerkappeln, DE

Key dates

• Filing date: Aug 31, 2012
• Grant date: May 27, 2014
• Expiry date: Aug 31, 2032

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60R2019/264
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A bumper system for a motor vehicle includes a bumper cross member which is arranged transversely to a travel direction and has two attachment zones for connection to two side rails arranged in parallel relationship to the travel direction. The bumper cross member has a center portion extending between the attachment zones and two end zones to close off the bumper cross member to vehicle sides. A deformation element is arranged behind each of the end zones and constructed to support in the event of a head-on collision with slight overlap the end zone which undergoes a buckling as a result of the head-on collision. At least one belt element at least partly surrounds a circumference of the deformation element and is secured to at least one of the side rails.