Patents by Inventor Sean Hugh Breheny

Sean Hugh Breheny 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
  • Mobile drive unit charging
    Patent number: 9663296
    Abstract: Some examples include charging an onboard power source of a mobile drive unit (MDU) of an inventory system while the MDU is operating in the inventory system, rather than removing the MDU from service for recharging. As an example, the MDU may receive instructions to retrieve an inventory holder, and an onboard power source of the MDU may be charged while the MDU and the inventory holder are located at the charging station.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: May 30, 2017
    Assignee: Amazon Technologies, Inc.
    Inventors: Patrick Ryan Dingle, Matthew David Verminski, Peter K. Mansfield, Andrew Stubbs, Sean Hugh Breheny, Peter R. Wurman
  • Mobile drive unit charging
    Patent number: 9371184
    Abstract: Some examples include charging an onboard power source of a mobile drive unit (MDU) of an inventory system while the MDU is operating in the inventory system, rather than removing the MDU from service for recharging. As an example, the MDU may receive instructions to retrieve an inventory holder, and an onboard power source of the MDU may be charged while the MDU and the inventory holder are located at the charging station.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: June 21, 2016
    Assignee: Amazon Technologies, Inc.
    Inventors: Patrick Ryan Dingle, Matthew David Verminski, Peter K. Mansfield, Andrew Stubbs, Sean Hugh Breheny, Peter R. Wurman