The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 2010
Filed:
Feb. 02, 2007
Shuuichi Buma, Toyota, JP;
Shuuichi Buma, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
A stabilizer system for a vehicle, including: (a) a stabilizer bar () including (a-1) a torsion bar portion (), and (a-2) an arm portion () that extends from the torsion bar portion toward a wheel () of the vehicle; and (b) an actuator () including (b-1) a motor (), and (b-2) a speed reducer () that reduces a speed of the motor while transmitting a force of the motor to the torsion bar portion of the stabilizer bar. The stabilizer bar generates a stabilizing force which is dependent on a reaction generated as a result of torsion of the torsion bar portion, and which forces the wheel and the vehicle body in a direction toward each other or a direction away from each other. The actuator allows the stabilizer bar to generate the stabilizing force whose magnitude is dependent on a magnitude of the motor force and is changeable depending on an amount of rotation of the torsion bar portion. The actuator includes an actuator-efficiency changing mechanism changing a negative efficiency of the actuator, depending on a direction of the force of the motor.