Jan H. Aase - Oakland Township MI, US Alan L. Browne - Grosse Pointe MI, US Nancy L. Johnson - Northville MI, US Gary L. Jones - Farmington Hills MI, US Peter J. Gareau - Warren MI, US Hanif Muhammad - Ann Arbor MI, US
Assignee:
GM Global Technology Operations LLC - Detroit MI
International Classification:
B60R 21/00
US Classification:
29618704
Abstract:
A system for and method of mitigating pedestrian impact utilizing an energy absorption member, such as an expandable honeycomb celled matrix, and at least one tether disposed within a recessed formation defined by the vehicle and interconnected to the member and a drive mechanism, wherein the member is selectively caused to extend and be spaced from an exterior surface.
Alan L. Browne - Grosse Pointe MI, US Nancy L. Johnson - Northville MI, US Nilesh D. Mankame - Ann Arbor MI, US Paul W. Alexander - Ypsilanti MI, US Hanif Muhammad - Ann Arbor MI, US Kenneth A. Strom - Washington MI, US James W. Wells - Rochester Hills MI, US
Assignee:
GM Global Technology Operations LLC - Detroit MI
International Classification:
F01B 29/10
US Classification:
60528, 248636, 267154
Abstract:
A tunable impedance load bearing structure includes a support comprising an active material configured for supporting a load, wherein the active material undergoes a change in a property upon exposure to an activating condition, wherein the change in the property is effective to change an impedance characteristic of the support.
Alan L. Browne - Grosse Pointe MI, US Nancy L. Johnson - Northville MI, US Nilesh D. Mankame - Ann Arbor MI, US Paul W. Alexander - Ypsilanti MI, US Hanif Muhammad - Ann Arbor MI, US Kenneth A. Strom - Washington MI, US James W. Wells - Rochester Hills MI, US
Assignee:
GM Global Technology Operations LLC - Detroit MI
International Classification:
F01B 29/10
US Classification:
60528, 248636, 267154
Abstract:
A tunable impedance load bearing structure includes a support comprising an active material configured for supporting a load, wherein the active material undergoes a change in a property upon exposure to an activating condition, wherein the change in the property is effective to change an impedance characteristic of the support.
Active Material Based Tunable Property Automotive Brackets
Paul Alexander - Ypsilanti MI, US Alan Browne - Grosse Pointe MI, US Nancy Johnson - Northville MI, US Nilesh Mankame - Ann Arbor MI, US Hanif Muhammad - Ann Arbor MI, US Thomas Wanke - Gau-Odernheim, DE
Assignee:
GM Global Technology Operations, Inc. - Detroit MI
International Classification:
B60R 27/00
US Classification:
296187010
Abstract:
A tunable property bracket for a vehicle body, includes a support member comprising a first active material configured to provide support for static and dynamic loads during normal operation of the vehicle body, wherein the first active material undergoes a change in a property upon exposure to an activating condition during a loading event or a sensed loading event, wherein the change in the property is effective to provide a load bearing capacity change to the support member.
Alan L. Browne - Grosse Pointe MI, US Nancy L. Johnson - Northville MI, US Nilesh D. Mankame - Ann Arbor MI, US Paul W. Alexander - Ypsilanti MI, US Hanif Muhammad - Ann Arbor MI, US Kenneth A. Strom - Washington MI, US James W. Wells - Rochester Hills MI, US
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS, INC. - DETROIT MI
International Classification:
E04H 14/00
US Classification:
52 1
Abstract:
A tunable impedance load bearing structure includes a support comprising an active material configured for supporting a load, wherein the active material undergoes a change in a property upon exposure to an activating condition, wherein the change in the property is effective to change an impedance characteristic of the support.
Methods Of Preventing Or Reducing The Affects Of Roof Impact In Automotive Applications
Alan L. Browne - Grosse Pointe MI, US Hanif Muhammad - Ann Arbor MI, US Nancy L. Johnson - Northville MI, US
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC - DETROIT MI
International Classification:
B60R 22/00 B60N 2/02
US Classification:
2808011, 296 681
Abstract:
A method of autonomously preventing or reducing the affects of roof impact in automotive applications, including the steps of determining a vehicle condition indicative of an imminent roof impact, and modifying a vehicular seat or roof structure, or deploying a netting as a result thereof, wherein active material actuation is preferably utilized to effect the same.
A cover covering an object includes an inner surface of the cover facing the object and spaced from the object, and an outer surface of the cover opposite the inner surface. A local energy absorber is operatively attached to the inner surface of the cover. The local energy absorber includes an energy absorbing core layer operatively attached to the inner surface of the cover and a frangible face sheet layer attached to the energy absorbing core layer facing the object. The frangible face sheet layer is to initiate fracture of the frangible face sheet layer during an impact applied to the outer surface defining an impact event having a duration of less than 20 milliseconds.
- Detroit MI, US Hanif MUHAMMAD - Ann Arbor MI, US Anil K. SACHDEV - Rochester Hills MI, US
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC - Detroit MI
International Classification:
B62D 25/12
Abstract:
A vehicle hood covering an underhood object includes an inner surface of the vehicle hood facing the underhood object and spaced from the underhood object, and an outer surface of the vehicle hood opposite the inner surface. A local energy absorber is operatively attached to the inner surface of the vehicle hood. The local energy absorber is a multiply-connected structure. The local energy absorber includes a wall defining an interior surface having symmetry about a central plane normal to the inner surface of the vehicle hood. A plurality of apertures is defined in the wall symmetrically about the central plane to initiate buckling and fracture in the wall during an impact applied to the outer surface defining an impact event having a duration of less than 20 milliseconds.