Permanent Magnets TRIZ Cases

Variable compression shoes and alignment guides keep lamination stacks precise while adhesive stays in retention slots to cut eddy current losses.

A core-shell sintered magnet uses a diffusion-driven coercivity gradient to resist high-temperature demagnetization while reducing rare earth use.

Multiple magnets collect wear debris in a flow space without blocking the camera view, enabling clearer deterioration assessment of mechanical parts.

A geared rotating permanent magnet lets a magnetic tool foot switch holding force in tight spaces while avoiding power-loss detachment risk.

A decoupled VCM and magnetic sensing layout extends optical path folding element pitch-yaw motion for wider view and better stabilization.

A spaced hall sensor and magnet layout identifies fold states accurately while limiting magnetic interference on cameras and antenna contacts.

Multipole magnets create stable multi-point earphone alignment, enabling oblique placement, reliable charging, and a smaller carrying case.

A slotted cover or magnet diverts foreign objects from the guide rail gap, keeping the elevator safety brake actuator reliable in emergencies.

Tongue-and-groove magnetic tool holders create modular layouts that improve tool visibility, identification, and retrieval in drawers.

A spheroid-pore resin coating helps permanent magnets keep strength and corrosion resistance at 170°C under motor operating stress.

Adjacent magnets are arranged to repel rather than attract, redirecting fields outward to widen magnetic exposure in a wearable loop.

Elastic-mounted actuators tilt an optical plate on two axes to adjust light paths while cutting size, weight, and component count.

A ferromagnetic rubber membrane with magnetic joints enables extreme double-curved moulding while preserving grip, sliding, and surface quality.

A movable tablet magnet shifts toward the stylus for strong holding force, then retracts to limit stray magnetic flux and interference.

A sliding lid uses magnetic attraction and a ferritic element to lift an inhalation device for easier removal without complex case mechanics.

Thin Nd-Fe-B layers are oriented and sintered without cutting, lowering eddy current loss while preserving magnetic uniformity and coercive force.

A magnet or barrier diverts debris from the actuator-guide rail gap, preserving emergency brake engagement reliability in elevators.

A cap-and-bolt release path lets the magnetic pad assembly peel off easily, simplifying sealed magnetic clamp maintenance.

A trilayer light-driven platform moves, merges, dispenses, and splits low-surface-tension liquids without residue or contamination.

Opposed magnetic strips create a bias field across alternating target regions to cut sensor jitter and improve speed and position detection.

By rotating a second permanent magnet, this clamping approach tunes holding force reproducibly while avoiding workpiece deformation and thermal load.

Passive magnetic pole spacing and alignment provide adjustable constant counterbalance force for vertical linear stages with low complexity.

A pivoting magnet assembly adjusts holding force for secure, reusable attachment on ferromagnetic surfaces while reducing torque during release.

Asymmetric non-magnetic layer thickness enables easier Halbach array assembly while maintaining a high front-to-back magnetic flux ratio.

Magnetic fixing members clamp the carrier in the base plate groove to limit vibration, prevent scattering, and protect fragile items in transport.

A preloaded spring keeps the solenoid pin biased at an intermediate stop, enabling gear engagement without continuous coil energization.

Movable second magnets realign poles and redirect flux through ferrous members, enabling controllable magnetic on-off switching.

Cu-rich grain boundary phases in a Sm-Co sintered magnet improve coercive force and squareness while balancing compositional control.

Ferromagnetic pins create flux paths between adjacent Halbach magnets, cutting repulsion and removing the need for adhesives.

Alternating magnet pieces with different magnetization directions and residual ratios ease positioning while boosting front-to-back flux density.

Selective demagnetization tunes laptop magnetic latch force despite magnet variation, delivering more consistent opening feel and kinematics.

A V-shaped permanent magnet arrangement with shimming creates a homogeneous low-field region outside the magnet for organ NMR with less size and weight.

Discrete magnet rings with azimuthal and longitudinal-radial magnetization improve field uniformity while cutting array weight and fringe fields.

A non-magnetic encapsulating body protects elevator safety actuator coils, connectors, and flanges from fatigue during repeated actuations.

Opposed magnetic halves clamp across screens and other non-metallic surfaces, enabling removable decoration, privacy, or signage without damage.

A magnetic wallet uses a shunt, spring tab, and extraction passage to attach securely, protect stored card data, and ease item removal.

A 2-axis actuator with voice coil motors and magnetic sensing extends folded-camera mirror rotation without increasing module height.

A magnetic drive and tuned spring boost toothbrush shaft oscillation while reducing the noise and vibration of mechanical drive trains.

Magnetic flux piping redirects a rotary magnet field to Hall sensors, enabling wireless toggle-switch retrofits without rewiring.

Segmented pole pieces fit around the permanent magnet to ease assembly while minimizing gaps, flux leakage, and magnetic resistance.

Offset opposing magnet arrays convert attraction into shear, enabling local force cancellation and strong gap fields without heavy supports.

Nano-milled fluoride is uniformly deposited on samarium-cobalt powder to raise resistivity while preserving magnetic properties.

Controlling iron nitride grain size to 20-100 nm boosts coercivity and energy product, enabling rare-earth-free bulk permanent magnets.

A curved bobbin opening lets the moving magnet keep its air gap, reducing interference and enabling faster mirror tilt with wider travel.

An electromagnetic unit switches ratchet direction remotely, avoiding manual reversal in tight spaces and reducing foreign matter intrusion.

Ga/Al/C grain-boundary tuning helps R-T-B magnets keep high remanence while lowering magnetizing field and improving motor efficiency.

Magnetic attraction between a shaft and sheath replaces exposed gears, enabling multi-stage hinge rotation with fewer parts and steadier positioning.

A layered permanent magnet layout switches directional flux on and off while limiting stray fields and avoiding bulky power-hungry coils.

Embedded HRE reservoir zones diffuse to grain boundaries during annealing, raising coercivity while preserving remanence in thicker sintered magnets.