Patents by Inventor Claudio Antonio Drozdek

Claudio Antonio Drozdek 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 the injection of an electric motor rotor
    Patent number: 6991021
    Abstract: A process for the injection of an electric motor rotor, said rotor comprising: a lamination stack (10) having a central axial bore (11) and a plurality of axial channels (12); and a cage (30) of aluminum, which is formed by an upper end ring (31) and a lower end ring (32), which are interconnected by a plurality of bars (33) molten in the axial channels (12).
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: January 31, 2006
    Assignee: Empresa Brasileira De Compressores S.A. -Embraco
    Inventors: Rivio Arturo Ramirez, Edison Krzeminski, Claudio Antonio Drozdek