Patents by Inventor Jurgen Kieninger

Jurgen Kieninger 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).

  • Process for insulating the stator of an electronically switched D.C. motor
    Patent number: 5973424
    Abstract: The present invention is directed to a method of insulating the stator of an electronically commutated direct current motor, in order to also fulfill high insulation and protection requirements. This method comprises the following steps:the stator (1) is introduced into a closable form with laterally retractable jaws (21);the form is closed, wherein it encloses the outer contours of the stator (1) including the printed circuit board (11), with a spacing, at least in regions;a thermoplastic hot-melt adhesive based on polyamide is injected under pressure into the form;the form is opened and the extrusion-coated stator (1) is removed.
    Type: Grant
    Filed: June 24, 1998
    Date of Patent: October 26, 1999
    Assignee: Papst-Motoren GmbH & Co. KG
    Inventors: Reimund Engelberger, Jurgen Kieninger