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:
Mar. 10, 2015
Filed:
Mar. 25, 2011
Pascal Febrer, Paris, FR;
Francois Foussard, Versailles, FR;
Stephane Guegan, Versailles, FR;
Alessandro Monti, La Garenne Colombes, FR;
Pascal Febrer, Paris, FR;
Francois Foussard, Versailles, FR;
Stephane Guegan, Versailles, FR;
Alessandro Monti, La Garenne Colombes, FR;
RENAULT s.a.s., Boulogne-Billancourt, FR;
Abstract
A method managing a device distributing engine torque between main and secondary wheel sets of a motor vehicle, the distributing device including an actuator distributing engine torque, a control unit exhibiting plural distribution modes of the engine torque and adopting one distribution mode as a function of a variable and a button selecting a distribution mode delivering an information item representative of the button position, the control unit determining, in regular operation, the variable, as a function of the information item; the method includes: detecting potential failure of the selection button, including verifying consistency of the information item; activation of degraded mode of operation, when a failure of the button is detected, in which a constant value is allocated to the variable; during degraded operation, monitoring end of failure, including verifying consistency of the information item; activation of regular mode of operation, when end of failure is detected.