Automotive rail/frame energy management system
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United States of America Patent
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-
Apr 11, 2006
Issued Date -
N/A
app pub date -
Aug 25, 2004
filing date -
Nov 14, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An energy management system and device for use in an automotive frame, rail, or other structural component of an automotive vehicle. The frame or rail having a cavity or exposed surface capable of supporting at least one member. The member having an interior portion and an exterior portion with the interior portion being defined by at least one trigger or step change to the geometry of the inner portion to target and direct axial bending of the system. A reinforcing material, such as a polymer-based expandable material, is disposed along the exterior portion of a member prior to final assembly of the vehicle by the vehicle manufacturer. The system is activated as the vehicle undergoes the final vehicle assembly process and paint operation which activates and transforms the reinforcing material to expand, bond and structurally adhere the frame rail to mange, direct, and/or absorb energy in the event of an impact to the vehicle from an applied load or an external force.
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