Magnetic Circuit TRIZ Cases

A holder with segmented leg portions and a press-fit rib reduces magnet cover load, avoids salient pole contact, and stabilizes rotor assembly.

Mechanical separation of two three-phase winding sets cuts mutual inductance and torque ripple in high-power six-phase PM machines.

A low-coercive magnet heated inside the motor enables easier flux adjustment, wider material choice, and efficient high-speed operation.

A rod-like guide lets sheets enter rotor magnet holes without catching on irregularities, preventing damage and improving magnet fixation.

Multiple leaf springs, including a non-planar spring at equilibrium, keep in-plane stiffness stable and prevent orthogonal motion during precision guiding.

Non-conducting slots cut through axial flux permanent magnets interrupt eddy currents, improving heat dissipation and machine efficiency.

Two polymer regions fix rotor magnets more precisely while improving heat dissipation and avoiding eddy-current issues in high-speed machines.

Thin radial isthmuses and paired internal magnets increase rotor magnet area while limiting short circuits and breakage under centrifugal force.

Wireless control removes wiring limits so a magnet-and-coil actuator can deliver linear motion with full 360-degree shaft rotation.

U-shaped winding loops move motor connections off the insulating end disc, saving space while improving mechanical robustness and contact reliability.

Electromagnetic coils and radially magnetized shaft magnets enable linear actuation with full rotation, avoiding wiring limits beyond 180°.

A magnetic coupling unit between adjacent electromagnets smooths thrust, cuts vibration, and stabilizes specimen transport.

A spring-loaded conical rotor interface maintains generator air gap during transport and installation while limiting friction, heat, and debris.

Detachable lids, carriers, and gap stoppers keep magnet-core spacing constant, simplifying multi-stage axial motor assembly and expansion.

Segmented yoke surfaces, elastic coil fixing, and recessed magnet grooves raise flux density while preventing deformation and easing magnet removal.

Side-by-side rotor magnet insertion holes and a convex magnetic slit increase torque while suppressing rotor core magnetic saturation.

Cushioning material at the rotor magnet gap absorbs startup impact, suppressing abnormal noise without heavier adhesive fixation.

Circumferentially offset rotor units and inward surface relief reduce cogging torque while maintaining torque output in magnet-embedded machines.

A coaxial electric ring motor on the rotor mast removes the central shaft, cutting rotorcraft drive complexity, space use, and maintenance.

Sequential perpendicular fields magnetize each leg of a V-shaped permanent magnet module, cutting energy use and avoiding incomplete magnetization.

Non-uniform slot pitch and wider outer teeth strengthen segmented stators, ease assembly, and cut cogging torque in electric machines.

Opposed corner slopes on row-arranged rotor magnets cut demagnetizing factor and eddy current while preventing chipping.

Layered split end rings with controlled gaps and soldered joints improve rotor bar contact, axial stability, vibration resistance, and cooling.

A rotating optical member redirects the light path to support long focal length imaging in thinner electronic devices.

Magnetic and nonmagnetic ring segments guide flux to rotor magnets and suppress short-circuiting in narrow stator-rotor gaps.

Shaping multi-layer rotor magnets along flux lines keeps d- and q-axis fluxes orthogonal, reducing interference while increasing torque.

A narrower central rib and wider inclined outer ribs help the rotor withstand centrifugal forces while limiting magnetic flux leakage.

Segmented magnet regions and dual coils boost vibration in two perpendicular directions while avoiding the large current draw of earlier layouts.

A single-body actuator combines iron cores, permanent magnets, and windings to stabilize multi-axis magnetic levitation with lower power and footprint.

Radial positioning between the stator housing and rotor magnet narrows the axial gap, enabling a thinner motor without center misalignment.

Bridge geometry with wider outer and longer inner magnet-hole spacing lowers rotor bridge bending stress while preserving torque.

Graphene layers on transformer and motor conductors cut high-frequency skin-effect resistance and heat, enabling higher power density.

Varying slit arc angles and row counts across stacked rotor units cuts torque ripple while preserving output torque in a permanent-magnet machine.

Labyrinth paths at the bearing holder and shaft-lid interfaces block dust ingress, extending motor life without added covers.

Magnetic excitation opens gaps between laminated electromagnetic steel plates, speeding adhesive application while preserving reliable core bonding.

Raised stator sections create a frictional clamp to hold the carrier unit without adhesive, simplifying motor assembly and reducing cost.

Magnetic coupling lets the outer rotor drive piston motion and flow distribution, cutting shaft wear and motor overheating at high speed.

Integrated spray, UV, and mechanical cleaning lets a levitating planar drive mover clean its shell during transport with less downtime.

Direct inner-diameter heating cures adhesive across the stacked core, improving concentricity, perpendicularity, and delamination resistance.

Sensors track local airgap thickness so winding currents can create radial magnetic force, avoiding stator-rotor contact without sacrificing torque.

A flexure-hinge actuator uses a coil, permanent magnet segments, and sensors to deliver precise low-energy adjustment with contactless holding.

Transverse flux and independently activated stator coils cut stray fields and inductance, enabling flexible multi-rotor linear motion.

A silicon-rubber dampener and microphone port layout cut motor resonance, vibration conduction, and acoustic noise in image stabilizers.

Bonding the shaft to the magnet’s outer surface instead of its ends suppresses rotor imbalance, vibration, and air gaps in brushless motors.

Flux guides and barriers reroute fault-induced magnetic flux in an electric machine rotor to protect permanent magnets from demagnetization.

Placing the caulking portion between magnet-flux boundary lines keeps laminated plate alignment precise without reducing motor torque or efficiency.

Post-assembly magnetization aligns magnet gaps with the connecting portion to contain flux, prevent leakage, and protect throttle motor sensing.

A suspended movable portion with elastic support, magnetic drive, and position sensing keeps compact camera optics stable and sharply focused.

A nested flywheel and hybrid magnetic bearing layout cuts axial space while improving stability, loss, and safety in EV energy storage.

Low-speed, small-angle rotor motion in a permanent magnet wave generator enables stable output under irregular, multi-directional waves.