Permanent Magnets TRIZ Cases

Radial coercivity gradients in permanent magnets expand interior volume while maintaining field strength and demagnetization resistance.

A compact actuator mechanism uses a permanent magnet and coil to drive a rotating shutter blade.

A high-temperature superconducting maglev Dewar uses an electrically conductive outer container to induce eddy currents for enhanced vibration damping.

Segmented pole tips and metal epoxy secure 10 micron assembly precision, eliminating expensive high-precision machining costs.

Segmented alternating polarities in a flexible composite strand overcome limited magnetic penetration to enhance treatment effectiveness.

Segmenting the alloy into distinct magnetic and protective phases resolves the trade-off between coercivity and corrosion resistance.

Diffusing high coercive metal through surface grooves into permanent magnet matrices to strengthen division interfaces.

Segmenting the substrate and engaging elements resolves rigidity versus magnetism trade-offs while enabling co-extrusion molding.

A magnetic material with dual properties attracts both permanent and soft magnets using a single-layer composite structure.

Controlling iron nitride grain size eliminates rare earth dependence while maintaining high coercivity.

Vulcanizing the magnet ring to a support ring absorbs differential thermal expansion, preventing fractures and eliminating additional machining.

Segmented ferromagnetic sheets in a magnetic actuator guide flux along layers to decouple adjacent elements, resolving instability from varying air-gaps.

A magnet retention member secures a position sensor to a locking sleeve using magnetic attraction and mechanical arms.

Radial magnetization of isotropic material creates constant in-plane field gradients, reducing sensitivity to axial distance and radial offset errors.

An integrated chiral magneto-optical fiber eliminates complex alignment and bulk components by merging polarizers and rotators into one stable device.

A hybrid movable coil plate combines a spirally wound copper wire coil with a pattern-printed PCB coil to maximize inductive electromotive force.

Grain boundary diffusion of dysprosium in Nd-Fe-B magnets reduces heavy rare earth usage by up to 90% while maintaining high coercivity.

Binder-assisted molding aligns anisotropic alnico magnet particles via an external magnetic field, eliminating costly directional solidification processes.

A magnet assembly with orthogonal poles generates axial and transverse field gradients to decouple security devices.

Segmented magnetic units with opposite polarities resolve weak radial positioning by replacing mechanical buckles, reducing assembly thickness.

A magnet device with a groove in the magnetizing direction ensures equal magnetic field intensity components in the transverse direction.

Sm-Co magnet uses Zr-rich sub phase precipitation to resolve the trade-off between high magnetization and coercive force.

Segmented magnet modules with spring mechanisms traverse ferrous surface discontinuities without lifting treads, reducing energy consumption.

Ferromagnetic bodies shape the magnetic field within a die cavity to orient arcuate magnet powder.

A magnetic wristband secures an electronic device to a user's wrist using specific magnet polarity patterns.

Vulcanizing magnetic rubber composition in a field produces encoders with high coercivity despite shear forces during kneading.

A rotatable operation member integrates a magnet and magnetic members within an exterior enclosure to maintain operational feel.

An XZ phase with a face-centered cubic structure increases coercive force and residual magnetic flux density while improving strength.

A magnetic control tubing structure uses electromagnetic components to drive adjustable bending between connected units.

Pulsed current maintains residual magnetism in the armature, eliminating continuous power consumption while retaining engagement.

Mounting magnets on rack compartments fixes containers while eliminating magnetic interference with transported goods and retrieval systems.

An adjustable magnetic affecting element compensates for base orientation errors, maintaining stable levitation without electronic feedback.

Moving gate marks away from sensor-facing surfaces maintains magnetic field symmetry and prevents contamination in electric power steering angle detectors.

A ferrite sintered magnet composition containing specific chromium and silicon ratios.

An insulating housing connects directly to a permanent magnet in an arc driver, preventing arc flashing onto the magnet and eliminating combustion risks.

A permanent magnet actuation mechanism transfers rotational motion from a master magnet to slave magnets via magnetic coupling.

Embedded magnets and a field shaping magnet secure a protective cover to a tablet, eliminating external fasteners that increase weight and complexity.

A permanent magnetic lifter uses a turnable magnet to generate variable clamping force for safe workpiece handling.

Aligning the easy axis radially during sputter deposition minimizes eddy current losses and external magnetic field interference in high-frequency inductors.