Determining seat belt tension in a motorized seat belt...

Details Determining seat belt tension in a motorized seat belt... Determining seat belt tension in a motorized seat belt...

2008-10-16

2010-10-05

Noori, Max (Department: 2855)

Measuring and testing

Dynamometers

Responsive to force

C073S862381

Reexamination Certificate

active

07806007

ABSTRACT:
A method and apparatus is provided for determining seat belt tension in a seat belt system. The apparatus includes webbing and a motor coupled to the webbing for retracting the webbing and generating a seat belt tension. When the seat belt apparatus is deployed to restrain an occupant, the tension on the seatbelt is monitored by applying a voltage to the motor to retract the webbing, measuring an electrical current during the application of the voltage, determining a maximum value of the electrical current and determining the seat belt tension based upon the maximum value.

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