Patents by Inventor Maarten Ottevanger

Maarten Ottevanger 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).

  • Inner shaft machining tool
    Publication number: 20210205896
    Abstract: Machining tool for internal machining of a shaft (2) with an inner bore (3), such as an aircraft engine turbine shaft (fan mid shaft). The machining tool has an external boring bar (6) support device (5), and a boring bar (6) having a diameter smaller than a smallest opening on one side (4) of the inner bore (3) of the shaft (2). The boring bar (6) has a radially extensible cutting insert (7), and an end part (6b) of the boring bar (6) is rotatably connected to a main part (6a) of the boring bar (6). The end part (6b) is provided with one or more radially moveable guiding pads (8).
    Type: Application
    Filed: May 24, 2019
    Publication date: July 8, 2021
    Applicant: Koninklijke Luchtvaart Maatschappij N.V.
    Inventors: Mario Cornelis van Es, Maarten Ottevanger