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United States of America Patent
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Issued Date -
Mar 25, 2010
app pub date -
Jul 24, 2007
filing date -
Jul 24, 2006
priority date (Note) -
Abandoned
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Abstract
A transverse two-wheeled vehicle has an increased turning limit value. A turning limit estimation system obtains a turning limit value and a center-of-gravity position adjustment system improves the obtained turning limit value. The turning limit estimation system obtains values for turning limit and turning stability by estimating a center-of-gravity position and a lateral acceleration. In the center-of-gravity position adjustment system, the turning limit value is increased by causing the estimated center-of-gravity position to move toward a centripetal direction. The mechanism for moving the center of gravity to is one or more of i) a vehicle body tilt mechanism, ii) a weight movement mechanism, and iii) a seat parallel movement mechanism. Accordingly, particularly a vehicle with two wheels narrowly spaced and a high center of gravity, can make a faster and smaller turn, and driving performance, stability, and security of the turning operation are improved.
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