Patents by Inventor Gunther Hofele

Gunther Hofele 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).

  • Collectorless direct-current motor
    Patent number: 4724347
    Abstract: A collectorless direct-current motor with a stator mounted on a motor flange and a rotor mounted so that it can rotate on a shaft, in which case power semiconductors for the purpose of commutating the currents of the stator are attached to parts of the motor for the purpose of dissipating the heat and a circuit board with electronic components is provided for the purpose of controlling the commutation, and the power semiconductors are electrically connected to the circuit board, in which case the power semiconductors (39) are attached to the motor flange (2), preferably the outside (29) thereof, in heat conducting contact.
    Type: Grant
    Filed: September 30, 1985
    Date of Patent: February 9, 1988
    Assignee: ebm Elektrobau Mulfingen GmbH & Co.
    Inventors: Wilhelm Reinhardt, Gunther Hofele