Magnetic Circuit TRIZ Cases

A magnet assembly with varying permanent magnet and ferromagnetic member thickness generates a spatially varying magnetic field distribution.

Extruding and compression molding segments with varying circumferential sections maintains high energy density while minimizing cogging torque.

Asymmetric 45-degree magnet arrays and 3:1 coil ratios cancel side forces, resolving efficiency trade-offs in compact lithography actuators.

Segmented cryostats with MgB2 coils eliminate single point failures and reduce weight for offshore wind turbines.

A linear and rotary cartridge system transfers pre-formed conductors into skewed stator slots for precise inside diameter winding placement.

A segmented actuator uses alternating magnetic polarizations to drive helical rotor movement.

A horizontal linear vibrator uses magnetic fields and springs to drive a weighted unit, enabling compact form factors.

Connecting armature windings to non-adjacent commutator segments maintains current balance and reduces vibrations in motor-driven power steering systems.

Elastic holding means secure magnets in carrier pockets, compensating for manufacturing tolerances while maintaining magnetic flux.

Merging segmented elastomer dampers into an integrated structure resolves interference during simultaneous installation while expanding damping volume.

Radial cuts in the stator support ring release hoop stress during heating and cold soak cycles, expanding operational thermal limits.

Integrating the rotor and spindle nut reduces external dimensions of drilling quill drives while eliminating complex hydraulic systems.

A rotation actuator uses a sliding ring as a thrust bearing to support the output plate while sealing grease within the reducer assembly.

Auxiliary cores positioned at specific distances from the center salient pole generate canceling cogging forces to smooth linear movement.

Holding member with opening allows orthogonal vibration of optical device, reducing interfering pattern generation without increasing projector size.

A double helix actuator uses a coil wound around a proof mass within alternating polarity magnets to generate linear force and torque.

Active current control stabilizes the rotor position in a rotational energy harvester, preventing co-rotation damage while maintaining high power output.

Symmetric magnet placement in a mass block ensures uniform distribution, reducing twisting and stabilizing vibration amplitude.

Non-magnetic fastening members secure magnetic components on a motor rotor turning axle, preventing detachment from environmental stress.

Oblique film removal surfaces on conductor segments allow radial welding, increasing turn density without expanding the stator axial height.

Gap portions around permanent magnets cause magnetic saturation at low currents to reduce iron losses while maintaining maximum torque at high currents.

Secondary magnetic bearing attracts rotor to minimize striking noise in small-diameter motors.

Non-uniform magnet thickness and curved boundaries reduce cogging torque by up to 60% while maintaining motor output.

A Bezier-shaped permanent magnet reduces cogging and ripple torque by optimizing magnetic flux density distribution across the air gap.