Magnetic Circuit TRIZ Cases

See how asymmetric magnetic division regions in a magnet orientation device counterbalance asym

See how injection-molded BMC resin integrates motor housing and fixing bracket to eliminate ali

See how a planetary gear air-cooling flow path with sun gear and rotor holes reduces motor heig

See how arc-shaped polar regions with offset magnetic focus centers increase back electromotive

See how asymmetric non-magnetic regions in an arc magnet orientation device symmetrize magnetic

See how arc-shaped polar regions with offset magnetic focus centers reduce magnet cracks while

See how a dual-rotor motor drives two fans independently at variable speeds and directions to i

See how a dual-rotor motor drives two independent fans in outdoor units, preventing air volume

See how a rotor core with composite arc portions and curved sections maintains linear air gap g

See how misaligning inner and outer stator teeth by a predetermined angle reduces torque ripple

See how optimizing coil turns to 100-140 and wire diameter to 0.6-0.8mm increases motor torque

See how a plastic reinforcing cap isolates stator and drive hub components to prevent short cir

See how segmented permanent magnets with uniform dead zones and optimized pole arc ratios reduc

See how a pole sleeve with varying wall thickness and magnetic permeability achieves 15 bar pre

See how a dual-rotor motor with 48 outer and 42 inner magnets shares 36 stator cores to indepen

A stator locating pin aligns with the bearing retainer to shrink rotor-stator air gap, improving motor efficiency and reducing magnet material.

Arc-type magnets, cutouts, and bridge placement raise magnetic resistance to cut leakage flux while preserving rotor rigidity and output density.

A helical spring insert closes the external rotor magnetic circuit while absorbing magnet tolerances to simplify assembly and cut cost.

Interference-fit caps and foldable insulation sheets simplify stator assembly, improve paper positioning, and free more room for copper windings.

Using three or more pole-shape variants in a line-symmetric rotor cuts torque pulsation without adding rotation-direction dependency.

Transfer molding creates a gap-filled barrier that lets rotor balancing disks use cheaper materials and wider material removal without harming magnetic units.

Cryogenic cooling lets Litz armature windings exceed 25 A/mm² while cutting electrical losses in high-power electric machines.

An epicyclic gear train boosts HVAC actuator ratio and torque in a compact package, allowing smaller motors and easier vehicle integration.

Offset radial protrusions create a defined adhesive gap in the rotor, improving concentricity, strength, and manufacturing yield.

A double-layer coil array raises conductor fill in a planar motor, cutting current demand and amplifier cost while preserving precise motion.

A bridging portion in the rotor core redistributes centrifugal stress to limit bridge deformation while preserving magnetic flux density.

Specific core-to-pitch and armature ratios raise linear motor thrust with ferrite magnets, cutting rare-earth dependence and cost.

Bent outer magnet slots redirect demagnetization fields in a synchronous reluctance motor rotor, protecting magnets and preserving inductance.

Right-angle lamination changes guide flux along steel plate planes, cutting eddy currents, heat, and magnetic resistance in electromagnets.

Different rotor sectors distribute potting compound and add retaining strength, securing permanent magnets without slow high-temperature curing.

An elastic annular shield inside the rotor blocks metal particles from entering the bearing while preserving free rotation and low friction.

A non-magnetic magnet cover suppresses leakage flux in an inner rotor, improving stator flux interlinking and motor characteristics.

Outlet-end radial bearings and an axially movable brake raise spindle braking torque, shorten response time, and save installation space.

A stepped plunger fills rotor magnet slots while preserving plastic flowability and preventing breakage during die separation.

Localized magnetic resistance portions on the rotor surface cut electromagnetic vibration while avoiding added windage loss and torque drop.

Localized magnetic resistance portions cut electromagnetic vibration force while avoiding added windage loss and preserving rotor torque.

Axially stacked magnet and non-magnet laminations cut torque ripple and heat while maintaining synchronous machine torque.

A cooling wheel creates outer overpressure and inner suction to drive defined airflow through the stator, improving heat dissipation and power density.

By moving the coil into the fixed body, this actuator reduces mirror heating while enabling compact, stable high-amplitude reciprocating rotation.

Multiple coil groups and coolant channels enable precise multi-axis vacuum positioning while limiting vibration, heat buildup, and eddy-current effects.

Mixed laminated through-holes reinforce IPM rotor outer core portions against centrifugal force while limiting magnetic flux leakage.

Spring-biased magnet retention compensates for rotor pocket tolerance gaps, limiting magnet wobble and reducing motor noise and vibration.

A two-row U- and V-shaped magnet housing layout raises torque density and power while reducing leakage flux and assembly complexity.

Coaxially stacked rotor assemblies with boss-fitted magnet slots cut rotor process difficulty while reducing torque ripple and electromagnetic noise.

Concentric magnetic bodies and overlapping cores raise generator power output without increasing diameter or overall device volume.

A carbon- or aramid-fiber armature cover cuts eddy current heating while protecting linear drive magnets from dust and wear.

Inner and outer molds heat and restrain adhesive-bonded laminates to improve divided core and ring-shaped motor core accuracy.

Magnetic barriers beside rotor magnet slots suppress quadrature-axis saturation, preserving torque density and overload capacity with less rare earth material.

A two-stage mold movement pre-adjusts for rotor stack height variation, then applies precise clamping for automated, consistent molding.