Dynamo-Electric Machines TRIZ Cases

Side-by-side magnets and bent coil ends keep coil spacing stable at large turning angles, improving drive efficiency and lowering power use.

A segment-shaped stator cuts ferromagnetic material, weight, and fabrication effort while preserving accurate angular position detection.

High-energy photon irradiation frees intra-band electrons in rotor or stator conductors, raising generator output without enlarging the rotor.

A copper ring replaces foam damping in a linear vibration motor, enabling automated assembly, stronger electromagnetic resistance, and better vibration balance.

Eddy current damping from a copper ring replaces manual foam insertion, improving linear vibration motor automation, driving force, and vibration output.

A bent elastic support with acute and obtuse angles increases strain length, lowers stress, and simplifies vibration motor assembly.

A groove on the pole piece increases spacing from the magnet, reducing off-axis magnetic attraction and vibration distortion in linear motors.

A superconducting flux barrier redirects magnetic flux toward the coils while limiting ferromagnetic saturation to raise machine power density.

Electromagnetic braking at end armature coils suppresses irregular stroke motion, preserving vehicle damping accuracy with lower power use.

Distributed magnet assemblies around parallel solenoids reduce magnetic saturation and static suction imbalance to improve motor rigidity and stability.

Cyclic temperature switching releases quantum locking to sustain oscillating motion and direct electricity generation in a superconductor engine.

Bent flanges on the elastic support arm raise stiffness and operating frequency while reducing anisotropic vibration in compact vibration motors.

By shifting coil and movable-part spacing into the axial direction, this motor cuts radial thickness while preserving stable vibration for haptic devices.

A nested weight inside the coil boosts actuator inertia without enlarging the magnet, preserving magnetic characteristics and resonance stability.

An asymmetric housing layout expands haptic motor shape freedom while preserving vibration characteristics and improving space use in compact devices.

A protruding weight and integrated limiting gap keep the vibration member from striking the housing, improving motor stability and tactile feedback.

Segmented magnets and opposing coil currents strengthen the magnetic circuit, boosting driving force and vibration intensity in a linear motor.

A fixing member bridges the coil and flexible PCB in a linear vibration motor, preventing disconnection and improving insulation and reliability.

Decouples rotation drive from structural support to lower rotational inertia, boosting driving force and resonance frequency for raster scanning.

Mechanical energy conversion replaces thermal-limited batteries by varying the distance between a magnet and inductor to generate reliable downhole power.

Dual high-pressure gas supply maintains continuous piston motion in limited stroke cylinders, resolving inconsistent power generation from single gas reliance.

A vibration motor uses elastic suspension to drive two independent systems for distinct resonant frequencies.

Segmenting the rotor into independent high and low-pressure units drives stationary windings across varying engine speeds without gearbox complexity.

Multi-point elastic supports eliminate polarized vibration and positioning shafts, lowering resonant frequency while maintaining mass block volume.

A vibration motor routes coil lead wires through a top wall hole to external terminals.

Segmented positioning posts nest thin pole shoes into iron core cavities, eliminating complex welding and reducing stator volume.

Dual magnetic modules suspend a constrained coil assembly to resolve insufficient driving force in mobile device vibration motors.

A conductive water wire harvests energy from the Earth's magnetic field to charge vehicle supercapacitors during motion.

Replacing brushes with a coded rotor and encoder eliminates mechanical wear while ensuring precise phase synchronization for reliable motor operation.

A segmented actuator coil uses distinct winding regions to optimize electrical properties.

A magnetic yoke uses a flux-conducting layer to rotate field lines and control drive direction in micromechanical components.

Segmented radially polarized permanent magnets reduce material volume while maintaining linear force output and thermal performance in compact arrays.

Non-ferromagnetic body supports pivotally hung permanent magnets that oscillate to generate magnetic flux variation intercepted by electric coils.

An axial air-gap magnetic circuit with projection portions minimizes magnetic resistance, enabling low-grade magnets to maintain self-holding force.

Transverse cooling tubes reduce eddy current losses while maintaining efficient heat transfer in superconducting electrical machines.

A testing device monitors terminal voltage and current during switching operations to verify vibration motor functionality.

Ferromagnetic sensor closing body magnetically connects stator-side Hall sensors to detect rotor position in electric fluidic pumps.

Replacing mechanical propellers with segmented electromagnetic coils eliminates vibrations and noise while maintaining pumping efficiency for liquid metals.

Segmented adhesive filling resolves inconsistent gap widths by staging bottom and side bonding to prevent magnet contact.

A vibrating motor uses a magnetic basin frame to embed coils and concentrate induction lines for efficient vibration generation.

Flexible printed circuit connects coil to external circuit, resolving structural stability versus device complexity trade-offs.

Hall-effect sensors generate a unique time sequence fingerprint to determine rotor angular position in imperfect motors.

A rotor position transducer offset measurement method uses PWM phase walking to determine precise angular positions.

A frame-shaped actuator integrates a coil on its rotating mass to maintain proximity with a ferromagnet during torsional deformation.

Integrating a damping piece with the elastic connecting piece eliminates complex magnetic liquid processing while suppressing impact noise.

Radial multi-rotor electrical machine reduces axial dimensions while maintaining large frontal area for enhanced cooling efficiency.

Segmented fixed armature cylinders increase electrical resistance to eddy currents while maintaining mechanical integrity for high-frequency operation.

A hybrid energy collector merges electromagnetic and triboelectric modules to harvest low-frequency vibrations.

A generator design uses rotating conductor coils to convert induced magnetic reaction forces into driving torque.