Patents by Inventor Nihat Yildirim

Nihat Yildirim 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).

  • Aircraft with a modified gear, and method of producing the gear
    Patent number: 7581695
    Abstract: There is described a helicopter having a transmission for transmitting motion from a driving member to a driven member; the transmission has at least a first gear driven by the driving member, and a second gear meshing with the first gear and in turn driving the driven member; the first and second gear have teeth shaped so that the gears mesh with one another at at least two pairs of respective simultaneously meshing teeth; the teeth of at least one of the gears have a profile having an end portion relieved with respect to a starting theoretical involute; and the pattern of the distance between the points of the end portion and the starting involute along an axis of the tooth has at least a first and a second segment sloping with respect to each other.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: September 1, 2009
    Assignee: Agusta S.p.A.
    Inventors: Giuseppe Gasparini, Sergio Sartori, Nihat Yildirim
  • AIRCRAFT WITH A MODIFIED GEAR, AND METHOD OF PRODUCING THE GEAR
    Publication number: 20080173767
    Abstract: There is described a helicopter having a transmission for transmitting motion from a driving member to a driven member; the transmission has at least a first gear driven by the driving member, and a second gear meshing with the first gear and in turn driving the driven member; the first and second gear have teeth shaped so that the gears mesh with one another at at least two pairs of respective simultaneously meshing teeth; the teeth of at least one of the gears have a profile having an end portion relieved with respect to a starting theoretical involute; and the pattern of the distance between the points of the end portion and the starting involute along an axis of the tooth has at least a first and a second segment sloping with respect to each other.
    Type: Application
    Filed: December 27, 2007
    Publication date: July 24, 2008
    Inventors: Giuseppe Gasparini, Sergio Sartori, Nihat Yildirim