Synchronous Machines TRIZ Cases

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.

Uniform rigid bars enter slots without differentiation, then twist to connect ends while protecting enamel.

A generator uses a rotor with varying magnetic permeability to induce voltage in a stationary coil.

A stationary electromagnetic generator uses a magnetic shunt to modulate flux and induce current without rotating parts.

Integral yoke teeth in a small stepping motor casing use local quality to maintain torque while reducing outer diameter and part count.

A segmented stator assembly uses embedded structural plates and stabilizing connectors to join discrete portions.

Asymmetric stator tooth spacing with sixth-phase offset minimizes noise and vibration from cogging torque while improving back EMF sinusoidality.

Merging separate segments into a single continuous coil reduces manufacturing complexity and weight while maintaining electromagnetic performance.

Optimized phase inductance limits circulating currents to reduce iron and ohmic losses across operating speeds.

Stator core connecting portions with varying through-hole angles and lengths reduce cogging torque in permanent magnet rotary motors.

A stator front bun masks rotor fan blades to act as a sound shield for rotating electric machines.

Axial offset arrangement and sequential turning of coil wires prevent deformation during braiding, ensuring precise geometry for stator core insertion.

A dual redundant permanent magnet motor uses a flux throttle system to selectively disable one motor while the common drive shaft continues rotating.

Oblique wire connections establish uniform coolant flow across axial end faces, resolving uneven cooling caused by conventional triangular wave patterns.

Flux switching machine with double air gaps and Halbach arrays eliminates external bending moments while achieving 40% higher power-to-weight ratio.

Sub core sections with varying space factors balance voltages across strand conductors in rotary electro-dynamic machines.

Continuous winding around stator poles eliminates external connections, reducing stray fields and improving sensor resolution in power steering motors.

Replacing infrared emitters with magnetic sensing eliminates stray IR emissions and reduces device complexity in camera shutters.

Low permeability mounting structures isolate resolver rotors from steel hubs, reducing electromagnetic interference that degrades rotational position accuracy.

A stator recess with a soft magnetic segment adjusts air gap thickness to attenuate permanent magnet flux, extending operational speed beyond 20,000 r.p.m.

Alternating permeable and impermeable drum zones optimize flux distribution, reducing disk wobble and improving efficiency at low RPM.

A stator winding uses inward and outward bends on adjacent conductor segments to increase spacing between protrusive ends.

External sensors measure flux leakage to determine rotor position, eliminating internal rotating components that reduce power density.

Segmented flux plates move over fixed iron cores while switches control coil states, reducing opposing magnetic fields and design complexity.

Ferromagnetic shielding members between two magnets in a single housing prevent field interference, enabling simultaneous multi-control sensing.