Patents Assigned to HJamilton Sundstrand Corporation
  • Electric motor control with buck boost converter
    Patent number: 8217616
    Abstract: A power supply for an electric motor includes a converter that can increase and decrease a voltage supplied into an inverter and then into the stator windings of the motor. As a separate feature, the inverter includes a control coil which is positioned within a motor housing such that it may be cooled by a thermal management system for the motor.
    Type: Grant
    Filed: November 2, 2007
    Date of Patent: July 10, 2012
    Assignees: HJamilton Sundstrand Corporation, Pratt & Whitney Canada Corp.
    Inventors: Gregory I. Rozman, Kevin Dooley