Electromagnets Without Armatures TRIZ Cases

Electropermanent magnet switching lets a rotary input control change between ratcheting and free-wheeling with low power, less noise, and fast response.

A detachable insulating mask fits the coil slot and active surface to replace tedious polyimide sheet application in magnetic pulse forming.

Switchable conductive segments form dynamic paths that steer electromagnetic fields in arbitrary directions without fixed magnets or external optics.

A point-symmetric triaxial coil inside the vacuum chamber corrects 3-axis field errors while keeping atomic clock physics packages compact and portable.

Tapered magnetic core legs and integrated cooling suppress coil heating while maintaining flux for longer continuous stimulation.

A magnetic field holds and positions collection liquid at substrate edges to automatically isolate metal contaminants for cleaner semiconductor analysis.

Coil-excited external magnets make torque adjustable while easing installation, improving sealing, and preserving strong magnetic torque transfer.

A coil loop harvests pulsed EMF energy to drive synchronized light pulses, removing a separate power source and shrinking therapy hardware.

A wound-on pipeline antenna uses the pipe as a waveguide to curb paraffin buildup, cut radiative losses, and avoid galvanic corrosion.

A nested base, plate, coil, and elastic support structure boosts magnetic attraction to deliver strong vibration in thinner electronic devices.

Embedded electromagnets levitate and move wafer cassettes across a furnace floor, replacing complex handlers and reducing maintenance.

A parallel robot repositions small electromagnets to create dynamic 3D magnetic fields across a large workspace without the bandwidth loss of larger coils.

Iron-core MRI pole cavities let the particle beam pass while containing leakage fields, improving target and dose measurement during motion.

Alternating split magnetic poles disperse flux to avoid saturation in thin steel sheets and lift only the required number of plates.

Electromagnetic coils drive a free-moving magnetic object in a closed loop to convert angular momentum into directional motion without propellants.

An oblique, adjustable coil wrap sharpens focal spot size at depth, helping magnetic stimulation reach deeper brain targets with less decay.

Ferromagnetic filler follows coil-generated magnetic paths to reach inaccessible cracks and solidify automatically for structural repair.

An electromagnet in the foldable hinge pulls a magnetic layer on the display to flatten hinge-area warping while using power only when needed.

Opposed upper and lower coils with 180° phase shift generate an XY-plane high-frequency field for closer, more sensitive magnetic detection.

Infrared positioning and electromagnetic chip adjustment improve micro-LED mass transfer accuracy and reduce welding misalignment.

Solenoid and toroid water-treatment engines alter molecular orientation and electron currents to improve soil nutrient absorption and plant transport.

A five-coil Halbach array concentrates magnetic flux on one side to boost eddy current sensor sensitivity, linearity, and micro-displacement precision.

Asymmetric conduit volumes and non-blocking magnetic field control keep magnetic fluid circulating when magnet rotation stops.

Rotating stacked NdFeB magnets with a coil switch magnetic flux states while cutting switching power and maintaining strong holding force.

Two inhomogeneous magnetic fields generate Alfvén waves to deflect membrane-bound nanoparticles, rupturing target cells while limiting healthy tissue damage.

A hydraulic cylinder, valves, and gas reservoir absorb mooring loads and harvest motion energy to reduce ship bouncing at the wall.

Mechanical coupling to shelf members lets the mover detect relative position accurately, enabling faster burden loading and unloading in narrow aisles.

A fluorolucent planar coil placed near the navigational domain reduces distortion from c-arms and x-ray sources while preserving clear fluoroscopic imaging.

Magnetic and electromagnetic headband connectors simplify CGR headset attachment while maintaining secure fit and easy release.

A magnetic field changes magnetorheological fluid torque to create varied rotary haptic feedback without added motors, cutting size and cost.

A magnetic-field-transparent compression head with a high-conductivity layer spreads heat across composites to reduce temperature and strength unevenness.

Fractal core and winding shapes boost magnetic field strength in less space, enabling more compact solenoids, relays, and actuators.

Grip-force sensing adjusts magnetic holding force so a vehicle switch module stays secure in use yet releases intuitively when needed.

Rotating a magnetic sensor around an offset axis reveals radial field asymmetry, enabling precise inter-coil center correction.

Segmented magnetic bodies with internal and external coils strengthen eddy current sensing for accurate wafer polishing end-point detection.