Patents by Inventor Eugen Fetsch

Eugen Fetsch 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).

  • Motor spindle
    Patent number: 11273528
    Abstract: A motor spindle having a first electromagnetic drive system including a stator unit and a rotor unit which can rotate about an axis of rotation and has at least one rotor shaft and a tool receiver for receiving a machining tool. At least one bearing unit provides rotationally mounting of the rotor unit in the stator unit. The tool receiver is arranged in an end region of the rotor unit. The stator unit has a stator housing with an end section arranged in the end region of the rotor unit. The stator unit comprises at least one motor, having a second electromagnetic drive system, with a stator and a rotational rotor, wherein the rotor has at least one rotational housing element of the end section of the stator unit.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: March 15, 2022
    Assignee: Franz Kessler GmbH
    Inventors: Joachim Van Sprang, Udo Tüllmann, Eugen Fetsch
  • MOTOR SPINDLE
    Publication number: 20190232445
    Abstract: A motor spindle having a first electromagnetic drive system including a stator unit and a rotor unit which can rotate about an axis of rotation and has at least one rotor shaft and a tool receiver for receiving a machining tool. At least one bearing unit provides rotationally mounting of the rotor unit in the stator unit. The tool receiver is arranged in an end region of the rotor unit. The stator unit has a stator housing with an end section arranged in the end region of the rotor unit. The stator unit comprises at least one motor, having a second electromagnetic drive system, with a stator and a rotational rotor, wherein the rotor has at least one rotational housing element of the end section of the stator unit.
    Type: Application
    Filed: April 8, 2019
    Publication date: August 1, 2019
    Applicant: FRANZ KESSLER GMBH
    Inventors: Joachim VAN SPRANG, Udo Tüllmann, Eugen Fetsch