Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Indication or control of braking – acceleration – or deceleration
Reexamination Certificate
2008-12-01
2011-12-27
Ilan, Ruth (Department: 3616)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Indication or control of braking, acceleration, or deceleration
C701S048000, C701S079000, C180S197000
Reexamination Certificate
active
08086382
ABSTRACT:
A method for enhancing stability of a three wheel vehicle having a pair of front wheels and a single rear wheel, each of the wheels having a tire with a tire grip threshold. The method including deploying an electronic stability system (ESS) on the vehicle, providing the ESS with input from various vehicle sensors related to the longitudinal and lateral acceleration of the vehicle, causing the ESS to determine whether (i) a precursory condition indicative of a wheel lift exists and (ii) the tire grip threshold of any of the tires has been exceeded; and when a precursory condition indicative of a wheel lift exists and the tire grip threshold of none of the tires has been exceeded, causing the ESS to reduce the longitudinal acceleration of the vehicle by a first amount less than that which would cause the tire grip threshold of any of the tires to be exceeded.
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U.S. Appl. No. 12/745,424, filed May 28, 2010; Tilte: Three Wheel Vehicle Electronic stability System and Control Strategy Therefor.
International Search Report of PCT/US2008/085206; Mar. 13, 2009; Baeza Felez, Lluis.
Dagenais Mario
Mercier Daniel
Beck Karen A
Bombardier Recreational Products Inc.
Ilan Ruth
Osler Hoskin & Harcourt LLP
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