Patents by Inventor Erwin Sinni

Erwin Sinni 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: 8513852
    Abstract: The invention relates to a commutation device (1) having a rotatable commutator (2) and at least one grinding element (16, 17, 18, 19) contacting the commutator (2). According to the invention, means (21) for removing abrasion debris (20) occurring during commutation are provided. The invention further relates to an electric machine having a commutation device (1) of said kind.
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: August 20, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Daniel Klumpp, Erwin Sinni, Anita Seebacher
  • Publication number: 20100244620
    Abstract: The invention relates to a commutation device (1) having a rotatable commutator (2) and at least one grinding element (16, 17, 18, 19) contacting the commutator (2). According to the invention, means (21) for removing abrasion debris (20) occurring during commutation are provided. The invention further relates to an electric machine having a commutation device (1) of said kind.
    Type: Application
    Filed: July 22, 2008
    Publication date: September 30, 2010
    Applicant: Robert Bosch GMBH
    Inventors: Daniel Klumpp, Erwin Sinni, Anita Seebacher