Stacked stator and rotor phases raise torque and power in a compact motor while keeping part count and modular scaling manageable.
Cryostat-cooled HTS coils let an axial flux brushless motor raise power density while limiting heat loss and bulk.
Rotatable magnets in a tunable Halbach array vary field strength to keep electric machines efficient across changing torque and speed.
Thermoelectric modules in the stator coolant path cool windings and recover waste heat, helping electric machines stay efficient across variable torque and speed.
A statorless coaxial ring layout places a copper winding in a magnetic corridor cavity to boost power generation with simpler motor structure.
Direct rotor temperature sensing with SAW elements and air-gap interrogation improves measurement accuracy and avoids conservative power buffers.
Cooling fluid passes thermoelectric modules in a sealed stator chamber to remove winding heat and recover part of that heat as electrical power.
Motor diameter and stator stack length are tuned to cut power loss in a battery hedge trimmer while extending runtime without added weight.
A continuous flat-wire coil and helical mandrel layout raise slot fill factor, magnetic coupling, and torque while simplifying winding.
A reconfigurable Halbach array and switchable stator windings help electric machines stay efficient under changing torque and speed.
An inner annular sleeve creates eddy-current drag so a steer-by-wire handwheel keeps steering resistance even when power is lost.
A segmented stator with inward magnets and wedges eases large-wire coil attachment while lowering magnetic resistance to improve torque and efficiency.
Secondary permanent magnets in U-shaped module housings redirect magnetic flux to cut leakage, raise force or torque density, and improve power factor.
A spiral ramp mandrel winds continuous rectangular wire coils to raise slot fill, boost magnetic flux, and simplify motor winding.
Radial secondary conductors guide magnetic flux from inner rotor magnets to the stator, limiting leakage and sustaining vehicle motor torque.
A helically wound insulated lamination stack simplifies ring casing production, cuts waste, and suppresses eddy currents in rotating machines.
A continuous quasi-helical hairpin winding boosts ironless motor power capability while simplifying stator manufacturing and avoiding electrical joins.
Axially separated magnet and coil units guide opposite magnetic flux paths to drive a rotary anode with lower losses and higher power density.
Rotatable magnets between fixed poles tune field strength and winding layout so electric machines stay efficient under changing torque and speed.
A Dy concentration gradient in the grain boundary phase improves coercivity while preserving remanence and orientation rate.
Bending L-shaped wire segments into S-shapes increases the slot-fill ratio and reduces phase resistance in electric machine windings.
A distributed armature winding connects coils in series to increase commutation events per pole-pair.
Angled coil wire sections guide impregnating material flow to secure innermost stator windings against electromagnetic vibration displacement.
A substage positioning system uses a passive magnetic force system to apply non-contact forces, reducing heat generation and structural deformations.
A magnetic coupling spinner arm uses a helical magnet array and tri-field boost elements to rotate the shaft.