1
Patrick Ryan Dingle, Matthew David Verminski, Peter K Mansfield, Andrew Stubbs, Sean Hugh Breheny, Peter R Wurman: Mobile drive unit charging. Amazon Technologies, Lee & Hayes PLLC, May 30, 2017: US09663296 (6 worldwide citation)

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, an ...


2
Sean Hugh Breheny, Shaun Steven Hayward, Kevin John Trenholme, Sean Garcen, William Joseph Sullivan: Integrated motor driver/controller with sensorless or sensored commutation. Amazon Technologies, Kilpatrick Townsend & Stockton, August 29, 2017: US09748882

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 an ...


3
Patrick Ryan Dingle, Matthew David Verminski, Peter K Mansfield, Andrew Stubbs, Sean Hugh Breheny, Peter R Wurman: Mobile drive unit charging. Amazon Technologies, Lee & Hayes PLLC, June 21, 2016: US09371184

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, an ...