Safety arrangement in a vehicle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 16, 2002
Issued Date -
N/A
app pub date -
Dec 11, 2000
filing date -
Mar 17, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A safety arrangement in a motor vehicle comprises a safety device (38) adapted to protect an occupant of the vehicle in the case of a roll-over accident, and a roll sensor arrangement to provide a signal (33) to trigger activation of the safety device. A sensor (30) senses an angular parameter such as angular speed about the longitudinal axis of the vehicle, or the actual angle of roll about the longitudinal axis of the vehicle. A further sensor (31) senses a velocity parameter relating to the vehicle speed, such as the total velocity of the vehicle, or the velocity of the vehicle in a predetermined direction. A processor (35) senses an angular speed in excess of a predetermined threshold, which activates a timing mechanism (36) which is associated with a processor (34) which compares angular velocity with a threshold, and provides a triggering signal if the threshold is exceeded. The threshold is a function of vehicle speed. The angular velocity is also compared with a further threshold in another processor (32), the threshold in this processor being a function of angle of roll. If this processor generates an output signal, the safety device (38) is activated.
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