Patents by Inventor Pierre Constancis

Pierre Constancis 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).

  • Method for correcting an internal combustion engine torque jerks
    Patent number: 6311670
    Abstract: A method for correcting fuel injection internal combustion engine torque jerks including an electronic engine control system which determines, according to engine operating conditions, engine control parameter values, and such that at least one control parameter value is corrected in response to the engine torque oscillations. The control parameter value is computed on the basis of an accelerator pedal position, and a correction is determined to be applied to the control parameter by filtering an engine shaft rotation speed.
    Type: Grant
    Filed: June 22, 2000
    Date of Patent: November 6, 2001
    Assignee: Renault
    Inventor: Pierre Constancis
  • Method for measuring the yaw velocity of a vehicle
    Patent number: 5930739
    Abstract: Method of measuring the yaw velocity of a vehicle. An estimate of the yaw velocity is made by either a gyrometer or a steering angle sensor. This estimate is selectively readjusted when a fixed obstacle is sensed using periodic updates of the longitudinal speed of the vehicle, the distance from the fixed obstacle and the relative transverse speed of the obstacle.
    Type: Grant
    Filed: December 29, 1997
    Date of Patent: July 27, 1999
    Assignee: Regie Nationale Des Usines Renault
    Inventor: Pierre Constancis