Patents by Inventor Jean-Louis Chouffier

Jean-Louis Chouffier has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Control method for a start-up control unit and an apparatus to make use of this method
    Patent number: 5859514
    Abstract: A method for the control of a load, such as a motor, by means of a start-up controller (1) connected, on the one hand, to a fixed frequency alternating supply, and, on the other hand, to the motor, and including static switches associated with at least one phase of the motor and operated by a control circuit (2), characterized in that the electromagnetic torque (C.sub.m) of the motor is automatically controlled to a variable reference value (C.sub.cons) in the start-up or deceleration stage of the motor.
    Type: Grant
    Filed: May 2, 1996
    Date of Patent: January 12, 1999
    Assignee: Schneider Electric SA
    Inventors: Jean-Louis Chouffier, Hubert Cornilleau, Pascal Duclos