Patents by Inventor John Froeb

John Froeb 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).

  • Modular high-power drive stack system and method
    Patent number: 8094435
    Abstract: A power drive stack system comprises a series of power electronic modules, each one of the modules containing power components and module contacts electrically and mechanically aligned for building a portion of a complete AC/DC drive stack. The modules utilize a common set of circuit connection points that are matched to a common set of physical connection points. The modules can be plugged together like building blocks to form a large variety of AC/DC drive stacks that can be tailored to meet an exact system requirement. The drive stack may be used in conjunction with a controller to adjust the torque and speed of an AC/DC electric motor.
    Type: Grant
    Filed: May 3, 2007
    Date of Patent: January 10, 2012
    Assignee: Parker-Hannifin Corporation
    Inventors: Jeremy Howes, David Levett, John Froeb
  • MODULAR HIGH-POWER DRIVE STACK SYSTEM AND METHOD
    Publication number: 20070258219
    Abstract: A power drive stack system comprises a series of power electronic modules, each one of the modules containing power components and module contacts electrically and mechanically aligned for building a portion of a complete AC/DC drive stack. The modules utilize a common set of circuit connection points that are matched to a common set of physical connection points. The modules can be plugged together like building blocks to form a large variety of AC/DC drive stacks that can be tailored to meet an exact system requirement. The drive stack may be used in conjunction with a controller to adjust the torque and speed of an AC/DC electric motor.
    Type: Application
    Filed: May 3, 2007
    Publication date: November 8, 2007
    Applicant: PARKER-HANNIFIN CORPORATION
    Inventors: Jeremy Howes, David Levett, John Froeb