Patents by Inventor Reiner Kristen

Reiner Kristen 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).

  • Patent number: 3942054
    Abstract: In a stator winding for a miniature brushless dc motor comprising a plurality of component windings designed as frame windings injection molded in plastic and nested together in such a manner that they form a cylinder surrounding the permanent magnet rotor of the motor and which can be inserted into a ring-shaped magnetic yoke without slots, the cylinder is formed, on at least one end, with a tubular extension having radial projections which are adapted to engage corresponding recesses at the housing or end bell of the motor for transmitting the reaction moment acting on the cylinder.
    Type: Grant
    Filed: November 14, 1974
    Date of Patent: March 2, 1976
    Assignee: Siemens Aktiengesellschaft
    Inventors: Reiner Kristen, Manfred Liska