Patents by Inventor Shaun Steven Hayward

Shaun Steven Hayward 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).

  • Integrated motor driver/controller with sensorless or sensored commutation
    Patent number: 9748882
    Abstract: A motor controller configured to control different types of electronically commutated motors (ECMs) includes a range of different rotor orientation signal inputs to accommodate differences between ECM motor types. The motor controller includes a control unit that receives motor operation commands and controls operation of the ECM in accordance with the motor operation commands. The control unit receives and stores data designating ECM type and estimates rotor position based on the designated ECM type.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: August 29, 2017
    Assignee: Amazon Technologies, Inc.
    Inventors: Sean Hugh Breheny, Shaun Steven Hayward, Kevin John Trenholme, Sean Garcen, William Joseph Sullivan