Patents by Inventor Allen Michel Ritter

Allen Michel Ritter 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).

  • Power converter methods and apparatus for variable speed high power machines
    Patent number: 7324360
    Abstract: Methods and apparatus for converting power from a power source are described. In one example embodiment, the method includes controlling multiple transformer and switchgear units coupled to a power source, and controlling multiple converter units connected in parallel. Each converter unit is coupled to a respective one of the transformer and switchgear units to form an individual thread. The transformer and switchgear unit and power converters are controlled so that the carrier waveforms for each individual thread are interleaved between each other over a carrier cycle.
    Type: Grant
    Filed: October 17, 2005
    Date of Patent: January 29, 2008
    Assignee: General Electric Company
    Inventors: Allen Michel Ritter, Richard S. Zhang, Luis Jose Garces, Rajib Datta, Ravisekhar Nadimpalli Raju, Mark E. Shepard