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Troy, MI, United States

Protean Electric is a technology company that has developed an in-wheel, electric-drive system for hybrid, plug-in hybrid, and battery electric light-duty vehicles. Their technology creates a permanent magnet e-machine with relatively high torque and power density with the power electronics and controls packaged within the motor itself. Their in-wheel motor product is intended to be produced in low volume by Protean Electric and licensed in high volume to global automotive and Tier 1 automotive supply companies. Protean Electric is a privately held company with approximately 65 employees. Protean Electric has operations in the United States, United Kingdom, Shanghai China and Hong Kong. Wikipedia.


Patent
Protean Electric | Date: 2013-10-15

A stator or rotor for an electric motor or generator comprising a circumferential support having a protrusion; a tooth arranged to receive coil windings, wherein the tooth includes a recess in which is housed the protrusion of the circumferential support, and the protrusion and the recess in the tooth are arranged to have a cavity or channel formed on an adjacent surface of the recess and the protrusion when the protrusion is housed in the recess, wherein a material is placed inside the cavities or channels formed by the adjacent surfaces of the recess and the protrusion for retaining the tooth to the support.


Patent
Protean Electric | Date: 2014-04-11

A control system for an electric motor, the control system comprising a first control device arranged to control an operation of a first component of the electric motor; a second control device arranged to control an operation of a second component of the electric motor, wherein the first control device is arranged to transmit to the second control device a first signal for indicating the transmission of data over a first communication link to the second control device, wherein the second control device is arranged to use the timing of the first signal to synchronise the operation of the second component with the operation of the first component.


Patent
Protean Electric | Date: 2014-04-27

An electric motor with a stator having two coil sets arranged to produce a magnetic field of the motor, each coil set having a plurality of coil sub-sets; and two control devices, wherein the first control device is coupled to the plurality of coil sub-sets for the first coil set and the second control device is coupled to the plurality of coil sub-sets for the second coil set and each control device is arranged to control current in the respective plurality of coil sub-sets to generate a magnetic field in each coil sub-set to have a substantially different magnetic phase to the other one or more coil sub-sets in the respective coil set; and wherein the first control device and the second control device are mounted adjacent to the stator.


Patent
Protean Electric | Date: 2013-09-09

A capacitor component comprising a first busbar, a first electrode and a second electrode separated by a dielectric film, wherein the first electrode, the second electrode and the dielectric film are arranged in a annular ring with the first busbar arranged around the outer circumference of the annular ring, wherein the first busbar is in electrical contact with the first electrode and the first busbar includes a gap in a circumferential portion of the first busbar.


Patent
Protean Electric | Date: 2013-04-15

An electric motor or generator system comprising a stator, a rotor, a first bearing, a first coupling device and a second coupling device, wherein the second coupling device includes a first coupling element arranged to be coupled to a vehicle and a second coupling element coupled to the rotor with a second bearing mounted between the first coupling element and the second coupling element to allow the rotor to rotate relative to the vehicle, wherein the first bearing is mounted between a surface of the stator and a surface of the rotor or the second coupling element to allow the rotor to rotate relative to the stator and the first coupling device is arranged to substantially preventing movement of the stator relative to the first coupling element in a first degree of freedom while allowing movement of the stator relative to the first coupling element in at least a second degree of freedom.

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