Patent · US Active

Vehicle bumper system with energy absorber

US7806448B2 · kind B2 · utility

30Cited by

30References

31Claims

0Family size

Assignee

Sabic Innovative Plastics B.V. · NL

Inventors

Kent Allen · Royal Oak, US
Brian Joseph Czopek · St. Clair Shores, US
Eric D. Kowal · Chesterfield Township, US
Sandeep Chandrakant Kulkarni · Bengaluru, IN
Dhanendra Kumar Nagwanshi · Farmington Hills, US

Key dates

Filing date	Nov 4, 2008
Grant date	Oct 5, 2010
Priority date	—
Expiry date	Nov 4, 2028

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60R2019/188
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A vehicle bumper system includes a beam configured to attach to a vehicle and a thermoformed energy absorber positioned on the beam. The energy absorber comprises a frame and a crush lobe extending from the frame. The crush lobe comprises a lobe wall extending between the frame and an outer wall. The change in lobe wall thickness may be constant. The outer wall is curved away from the frame.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.