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:
Dec. 13, 2011
Filed:
Apr. 27, 2007
Oussama Rouis, Levallois Perret, FR;
Oussama Rouis, Levallois Perret, FR;
Valeo Equipment Electriques Moteur, Creteil, FR;
Abstract
A method wherein the signals (SW, Sw, Sw) controlling the power supply () of the phase windings () of the motor consist of signals (So, So, So) that are out-of-phase by a phase angle (f) which is continuously variable in relation to synchronization signals (Si, Si, Si) generated by sensors () detecting the position of the rotor. According to the method, a processing unit () comprises inlets () for receiving the synchronization signals and outlets () for transmitting the out-of-phase signals. The synchronization signals are binary signals presenting synchronization fronts and the rising and falling fronts of the out-of-phase signals are generated, following a level switching time depending at least on the phase angle, from at least one reference front selected from the synchronization fronts such that the switching time is minimum.