Magnetic Circuit TRIZ Cases

Honeycomb core enhances rigidity and reduces weight of linear drive motor assembly, enabling self-supporting configurations with reduced deflections.

Differentiated space factors isolate link portion deformation from straight portions, enhancing cooling efficiency and overall machine performance.

Segmented annular drive magnets with deviated polarization lines eliminate complex skew magnetization, enabling mass production while reducing cogging torque.

Relocating coils to the stationary core eliminates heat generation on the movable mirror, enabling high-amplitude scanning without thermal distortion.

Non-parallel U and V shaped housing rows orient permanent magnets to increase torque density without adding magnet volume.

A separate drive mechanism uses a magnetic yoke and reversal coil to generate large forces for XY-table direction changes without adding moving mass.

A metal ring fitted to a plastic portion prevents cooling oil from entering the air gap while a dedicated channel cools coil ends.

Centering devices align bearing openings with honed stator openings to minimize air gaps and prevent rotor rubbing.

An electromagnetic surface motor system moves pallets via magnetic fields.

Different magnet angles in two-layer rotors reduce saturation and boost reluctance torque at high speeds.

Shaped rotor contours generate trapezoidal electromagnetic force to reduce quadrature inductance and torque fluctuations.

Press molded metal housings with outward protruding surfaces absorb press fitting stress to maintain dimensional accuracy despite large diameter differences.

Offset magnetic segments generate starting torque without capacitors, while dual-sided magnet placement increases power density.

A ceiling fan motor uses a rotor unit with inner and outer tubular walls connected to casing parts.

Pressurized gas lifts a wafer stage to enable manual movement without damaging stator microchannels.

A linear rotary mechanism integrates a rotary motor with a shaft-shaped secondary side to enable synchronized motion along guide rails.

Oblique elongate protrusions overlap annular coolant passages to enhance torsional rigidity, reducing noise and vibration under high load.

Calibrated Hall sensors maintain stage control when interferometer signals are lost, ensuring reliable positioning.

Integrating lightweight inner parts via injection molding reduces total weight while stabilizing sirocco fan rotation to minimize vibration and noise.

Segmented wire bending reduces insulation stress and manufacturing costs for variable-size stator coils.

Circular magnetic track and coil forcers generate levitation and drive forces, replacing complex mechanical bearings to enable vacuum-compatible positioning.

Nested multi-layer conductors increase the space ratio in a displacement device, boosting motor force and positioning accuracy for lithography stages.

An actuator uses an angular ball bearing and small balls to stabilize mirror tilt around a fixed rotational fulcrum.

Variable thickness in the motor rotor outer sleeve distributes circumferential stress uniformly, preventing plastic deformation at high rotational speeds.

Pre-formed bent portions allow weaving at smaller angles, reducing device size and coil deformation during rotary machine production.

Flux barriers and retaining webs guide opposing fields around permanent magnets, preventing irreversible demagnetization during sudden short circuits.

Bearing holder separates stator core from sleeve using elastic members, reducing noise and enabling component recycling.