Patents by Inventor Germain Errard

Germain Errard 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).

  • Bearing with three rows and more mobile bodies
    Patent number: 8764300
    Abstract: A wind turbine rotor hub bearing where the series of mobile members include more than two annular series of such members whereof at least two have different median diameters which are arranged in more than two rows scaled along the bearing rotational axis, with two end rows each comprising a series of roller bearings having individually a rotational axis transversal to the axis and at least an intermediary row of mobile members comprising balls.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: July 1, 2014
    Assignee: Defontaine
    Inventors: Germain Errard, Eric Jacquemont, Jean-Michel Delacou
  • BEARING WITH THREE ROWS AND MORE MOBILE BODIES
    Publication number: 20120243819
    Abstract: A wind turbine rotor hub bearing where the series of mobile members include more than two annular series of such members whereof at least two have different median diameters which are arranged in more than two rows scaled along the bearing rotational axis, with two end rows each comprising a series of roller bearings having individually a rotational axis transversal to the axis and at least an intermediary row of mobile members comprising balls.
    Type: Application
    Filed: March 21, 2012
    Publication date: September 27, 2012
    Applicant: DEFONTAINE
    Inventors: Germain Errard, Eric Jacquemont, Jean-Michel Delacou
  • Device for improving the lubrication of bearings, particularly in wind turbines
    Patent number: 6991378
    Abstract: For a bearing mounted between two concentric races rotating relative to each other, and forming an annular gap that accommodates the bearing and is closed by seals, at least one grease tube is provided between the periphery of one of the two races and the annular gap, and is connected to a corresponding grease reservoir. At least one main grease tube opens into the annular gap in an angular sector where an overpressure occurs, a corresponding main grease reservoir is adapted to collect grease flowing from the annular gap through the main grease tube due to the overpressure that may occur within the annular gap in the angular sector.
    Type: Grant
    Filed: July 2, 2002
    Date of Patent: January 31, 2006
    Assignee: S.A. Defontaine
    Inventors: Eric Jacquemont, Germain Errard
  • Device for improving the lubrication of bearings, particularly in wind turbines
    Publication number: 20030048963
    Abstract: For a bearing mounted between two concentric races rotating relative to each other, and forming an annular gap that accommodates the bearing and is closed by seals, at least one grease tube is provided between the periphery of one of the two races and said annular gap, and is connected to a corresponding grease reservoir. At least one main grease tube opens into the annular gap in an angular sector where an overpressure occurs, a corresponding main grease reservoir is adapted to collect grease flowing from the annular gap through said main grease tube due to the overpressure that may occur within the annular gap in said angular sector.
    Type: Application
    Filed: July 2, 2002
    Publication date: March 13, 2003
    Inventors: Eric Jacquemont, Germain Errard