Patents by Inventor Mustapha Belhabib

Mustapha Belhabib 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).

  • Patent number: 6241474
    Abstract: An axial flow fan has a hub and plural blades. Each blade extends from hub to a blade support ring and has a pitch which decreases over a first inner part of the radial extent and increases over a second outer part of the radial extent. In a preferred embodiment, the trailing edge of the blade tip and the median point of the blade root are situated on a common radial line. In a further preferred embodiment, a median point on the tip chord of the blade is disposed angularly ahead of a median point of the root chord. The fan provides improved noise performance.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: June 5, 2001
    Assignee: Valeo Thermique Moteur
    Inventors: Ahmad Alizadeh, Mustapha Belhabib