Patents by Inventor Gabriel Chaigne

Gabriel Chaigne 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).

  • Electro-hydraulic power steering assist system for an automobile
    Patent number: 7303044
    Abstract: An electro-hydraulic power steering system for a vehicle includes a booster pump rotated by an electric motor, under control of a computer, as a function of a signal representing speed of the vehicle and a signal representing rate of steering wheel angle change. The computer generates the signal representing the rate of steering wheel angle change by computation from current supplied to the motor to control the booster pump.
    Type: Grant
    Filed: December 16, 2004
    Date of Patent: December 4, 2007
    Assignee: Hydroperfect International
    Inventors: Nicaïse Lesther, Francois Caresche, Gabriel Chaigne
  • Electro-hydraulic power steering assist system for an automobile
    Publication number: 20050183901
    Abstract: An electro-hydraulic power steering system for a vehicle includes a booster pump rotated by an electric motor, under control of a computer, as a function of a signal representing speed of the vehicle and a signal representing rate of steering wheel angle change. The computer generates the signal representing the rate of steering wheel angle change by computation from current supplied to the motor to control the booster pump.
    Type: Application
    Filed: December 16, 2004
    Publication date: August 25, 2005
    Applicant: Hydroperfect International HPI
    Inventors: Nicaise Lesther, Francois Caresche, Gabriel Chaigne