Front rail having controlled thickness for energy absorption

A frame rail for a vehicle that is provided between vehicle frame and the bumper of a vehicle that has a thickness that varies from the front end of the rail to the back end of the rail. The compressive strength of the rail increases from the front end of the rail to the back end of the rail. The ra...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NUSIER SAIED, BELWAFA JAMEL E, FILETA BAHIG B, MAHMOOD HIKMAT F
Format:	Patent
Sprache:	eng
Schlagworte:	LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES PERFORMING OPERATIONS REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES TRAILERS TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES
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Beschreibung
Zusammenfassung:	A frame rail for a vehicle that is provided between vehicle frame and the bumper of a vehicle that has a thickness that varies from the front end of the rail to the back end of the rail. The compressive strength of the rail increases from the front end of the rail to the back end of the rail. The rail is rectangular in shape and the thickness of the rail is continuously increased to improve progressive crush characteristics of the rail under an oblique loading. A rail may be provided by providing a tubular rail having a plurality of ring shaped segments that have incrementally increasing thickness. Alternatively, the rail may have a uniformly increasing thickness from the front end to the back end.