Patents by Inventor Karl Austin

Karl Austin 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).

  • PNEUMATIC MOTOR IMPROVEMENTS AND PNEUMATIC TOOLS INCORPORATING SAME
    Publication number: 20070137873
    Abstract: A pneumatic motor having a motor chamber having an inner surface with an eccentric longitudinal axis, a motive gas fluid inlet, and at least one end wall located transversely to the longitudinal axis with an exhaust aperture located therethrough. A rotor is rotatably disposed in the motor chamber on the eccentric longitudinal axis and having a plurality of radial slots, the rotor defining a first rotational position with respect to the longitudinal axis at which the distance between the rotor and the motor chamber is a minimum. A plurality of vanes is slidably carried within the plurality of radial slots and rotationally moving between the fluid inlet and the exhaust aperture during rotation of the rotor.
    Type: Application
    Filed: February 20, 2007
    Publication date: June 21, 2007
    Applicant: INGERSOLL-RAND COMPANY
    Inventors: Patrick Livingston, Karl Austin
  • Pneumatic motor improvements and pneumatic tools incorporating same
    Publication number: 20060113099
    Abstract: A pneumatic motor having a motor chamber having an inner surface with an eccentric longitudinal axis, a motive gas fluid inlet, and at least one end wall located transversely to the longitudinal axis with an exhaust aperture located therethrough. A rotor is rotatably disposed in the motor chamber on the eccentric longitudinal axis and having a plurality of radial slots, the rotor defining a first rotational position with respect to the longitudinal axis at which the distance between the rotor and the motor chamber is a minimum. A plurality of vanes is slidably carried within the plurality of radial slots and rotationally moving between the fluid inlet and the exhaust aperture during rotation of the rotor.
    Type: Application
    Filed: December 1, 2004
    Publication date: June 1, 2006
    Applicant: Ingersoll-Rand Company
    Inventors: Patrick Livingston, Karl Austin