Magnetic Circuit TRIZ Cases
- Outer Rotor Motor Cover Structure for Shaft Rigidity
A protruding cover and arm support the shaft near the bearing, reducing axial load and stabilizing outer rotor motor rotation.
- Motor Actuator Helical Gear Rotor for Lower Noise
Helical teeth in a plastic rotor gear cut frequency excitation and sound power in compact motor actuators without extra parts.
- Axial Flux Motor Rotor Structure for Secure Magnet Retention
Embedded magnets in a wound laminar rotor resist heat, vibration, and high-speed detachment in axial flux automotive motors.
- Permanent Magnet Rotor Structure for Flux Leakage and Core Strength
Bridge portions and magnetic voids create flux barriers that cut leakage while helping the rotor iron core resist centrifugal and electromagnetic forces.
- Generator Housing Air-Gap Insulation for 1000°F Operation
An internal stator baffle and air gap insulate generator components from 1000°F heat soak-back, protecting stator windings.
- Rotary Electric Machine Ball Coupling for Stator Vibration Isolation
Directional backlash in a ball-coupled stator mount limits radial motion, cutting housing noise and vibration while preserving the air gap.
- Axial Flux Fan Motor Spacer for Uniform Rotor-Stator Gaps
A spacer element equalizes small rotor-stator gaps in a high-voltage axial flux fan motor, reducing axial force, bending risk, and contact.
- Segmented Permanent-Magnet Motor for Reliable Heavy-Duty Drives
Modular stator and rotor segments raise heavy-duty drive availability by cutting wear parts, maintenance burden, and spare-part complexity.
- Stator Coil Layout That Avoids Phase-to-Phase Insulation
By separating double-wound coils by circumferential slot position, this stator layout avoids phase insulation while keeping a compact design.
- Y-Type IPM Rotor Topology for Low Torque Ripple FSCW Motors
A layered Y-type IPM rotor combines spoke and V-type magnets to cut torque ripple while raising torque density in FSCW machines.
- Interior Permanent Magnet Rotor With Movable Yoke Flux Control
A movable yoke and elastic member adjust rotor flux leakage by speed, enabling higher rotation without field weakening and added copper loss.
- SPM Rotor Magnet Retention Using Deformable Locking Seats
Plastically deformable retention elements lock SPM rotor magnets without glue or extra parts, cutting assembly time while preserving magnetic integrity.
- Injection-Molded Rotor Magnet Rib Structure for Thin-Wall Molding
A rib thicker than the pinpoint gate helps thin rotor magnets mold at lower pressure, boosting output and reducing defects.
- Radial-Coil Stepper Motor Layout for Compact Torque Output
Radial solenoid orientation and stacked stator assemblies cut stepper motor size while preserving torque and magnetic field stability.
- Flat-Wall Stepper Motor Housing for Compact Coil Assembly
Planar housing walls with coil-clearance cutouts shrink stepper motor size while preserving assembly space and housing strength.
- Axial Gap Motor Assembly With Balanced Rotor Attraction Forces
Opposed rotor approach balances magnetic attraction during axial gap motor assembly, reducing fixing stress, weight, and damage risk.
- Variable Magnetic Gear Ratio Electrical Machine for Gas Turbines
A movable inter-pole component modulates magnetic fields to vary gear ratio, widening speed range while reducing losses and thermal burden.
- Rotor Core Magnet-Fixation Holes Without Injection Molding
Deformable magnet-fixation holes press magnets directly in the rotor core, eliminating nylon injection molding cost and waste.
- Magnetic Rotor Recess Structure to Block Hydrogen Ingress
An annular hub recess, segmented locking ring, and cover plate keep hydrogen out of the rotor space while avoiding bearing-bore deformation.