International Truck Intellectual Property Company, LLC

Thomas & Betts International LLC

Ronald A Vallette

Brian M Shaklik

Matthew D Cawood

James L Zahnen

Gary L Vandermolen

An airbag inflation system for a vehicle utilizes a truck's an ambient air compression system including a holding tank for providing compressed air to vehicle systems and an air pump. An outlet is added to the holding tank with a frangible seal closing the outlet until discharge of the air is required to inflate the airbag. An air line connecting the outlet to the airbag is filled upon activation of a squib for breaking the frangible seal upon detection of a rollover related event.

Rollover air bag system

The invention relates to a method of vehicle collision severity discrimination for actuating a safety device at an occupant location in the vehicle. The method provides steps for providing a plurality of velocity and load level trigger values, including velocity and load level pairs, indicating a plurality of threshold conditions for actuating the safety device at an occupant location. Vehicle velocity and load are monitored so that at the instant of a collision a severity evaluation may be made, particularly where the potential for vehicle crush ameliorates the potential danger to the occupants. Responsive to selected vehicle conditions, a collision indication signal is generated Responsive to generation of a collision indication signal, vehicle velocity, vehicle load, or both, are compared to threshold conditions for actuation of the safety device.

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Lakeland, FL, United States of America

Ronald A Vallette