Patents by Inventor Ernest W. Kuppers

Ernest W. Kuppers 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).

  • Method and apparatus for braking a rotary component in a textile fiber processing machine
    Patent number: 5374885
    Abstract: An apparatus for braking a rotary component of a fiber processing machine includes an asynchronous motor having a stator winding and an output shaft connected to the rotary component; a direct current generating device having an output connectable to the stator winding for applying an electric braking torque to the motor; and a switching arrangement for selectively connecting the stator winding to an alternating current source for normally driving the motor or to the output of the direct current generating device for electrically braking the motor.
    Type: Grant
    Filed: March 21, 1991
    Date of Patent: December 20, 1994
    Assignee: Trutzschler GmbH & Co. KG
    Inventors: Ernest W. Kuppers, Fritz Hosel