Patents by Inventor Alan E. La Fever

Alan E. La Fever 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).

  • Directional gear ratio transmissions
    Patent number: 4446757
    Abstract: A directional gear ratio transmission which transfers all clockwise inputs at a gear ratio different from all counter clockwise inputs. A transmission housing 10 encloses first and second epicyclic gear assemblies, 20 and 60, which are controlled by first and second undirectional clutches, 90 and 95, and has a first shaft 11 and a second shaft 12 extending therefrom. Within the first epicyclic gear assembly 20 is a first sun gear 21 connected to the first shaft 11. First planet gears, 24, 25 and 26, mesh with the first sun gear 21and are held symmetrically about the first sun gear by a first planet gear carrier 36. A first ring gear 33 surrounds, and is also in mesh with the first planet gears 24, 25 and 26. Within the second epicyclic gear assembly 60 is a second sun gear 61 interconnected with the first planet gear carrier 36, by a connecting shaft 50.
    Type: Grant
    Filed: June 11, 1982
    Date of Patent: May 8, 1984
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventor: Alan E. La Fever