Synchronous Motors TRIZ Cases

Integrated motor electronics also drive the discharge pump, cutting washing machine cabling, parts count, and failure risk.

Separable stator segments allow radial rotor access for easier maintenance in tight spaces while preserving electromagnetic current generation.

Modular stator segments and sensor-controlled electromagnets deliver high torque at low RPM without permanent magnets or grid dependence.

Multi-layer coil bodies connected inner-to-inner and outer-to-outer simplify rotor winding while reducing wire load and insulation damage.

Metal amorphous nanocomposite cores and rare-earth-free magnets cut power loss and temperature rise in an axial flux motor.

A permanent magnet synchronous motor and transfer case improve aerial work platform speed control, passing performance, and energy use.

Permanent magnet synchronous motors drive eccenter weights at high speed, giving vibratory hammers hydraulic-like power in a more compact form.

Segmented threaded amortisseur bars let synchronous rotors be refurbished without removing main coils, cutting repair time and cost.

A circular three-phase stator layout drives a non-magnetic conductive rotor to deliver rotational speed and torque without permanent magnets.

Using synchronous motors to drive eccenter weights, this case shows a more compact vibratory hammer with hydraulic-like power density.

Contactless rotor excitation replaces slip rings with an induced current converter, enabling higher-speed electric machines with less wear.

A fixed magnet arrangement and pivotable rotor cut power input and inertial forces while keeping multiple stable lock positions and burglar resistance.

Asymmetric multi-motor gear ratios balance launch torque and cruising efficiency while fitting the electric drive axle between frame rails.

Metal amorphous nanocomposite rotor and stator cores cut hysteresis and eddy current losses in rare-earth-free axial flux motors.

Stacked tooth laminations, structural rings, and overmolding raise synchronous reluctance motor power density while adding insulation and corrosion resistance.

Segmented rotor design overcomes weak magnetic fields in wide air gaps, enabling efficient two-axis actuation without increasing current intensity.

A virtual damper algorithm stabilizes permanent magnet motors by simulating a physical damper cage through software-based torque adjustments.

Merging data transmission into hybrid cables eliminates separate installation complexity while enabling real-time current monitoring and load disconnection.

A superconductive rotor uses a composite squirrel-cage winding to trap magnetic flux for synchronous rotation.

Modifying central tooth tip dimensions balances the magnetic field in a 10-pole 9-slot synchronous motor, reducing vibration and noise.

A symmetrical coolant distribution element directs cooling medium radially along the inner surface of a hollow rotor shaft.

Soft magnetic rotor members modulate stator fields to eliminate permanent magnets, reducing current loss and drag in hybrid vehicle applications.

Twisted coil structures reduce eddy currents and inter-strand circulation, resolving heating and efficiency trade-offs in switched reluctance motors.

Annular rotor with diagonally wound coils between inner and outer salient poles in a magnet-free electric machine.

Segmented Hall sensor modules on a replaceable carrier plate allow individual unit replacement without recalibration, preventing full motor scrapping.

Alloy layers between coated copper conductors and aluminum end rings resolve thermal expansion mismatches while maintaining electrical conductivity.

A segmented stator design uses misaligned teeth to eliminate slot openings and reduce magnetic flux variation in electric machines.

A squirrel-cage rotor employs a high-strength reinforcing-member end ring to prevent conductor deformation under centrifugal force.

Diverging slot sidewalls create mechanical interference fit to restrain rotor bars, eliminating diffusion brazing needs in high-speed induction motors.

Cold heading creates interference fits between conductor bars and end rings, eliminating welding variability to ensure consistent mechanical integrity.

Nesting a hall sensor inside the upper housing eliminates dust and moisture interference, ensuring stable rotor location sensing accuracy.

A stator winding neutral line crawling structure lowers coil end height by routing output lines under axial stepped portions.

Differentiated slot depths fill conductive material effectively, reducing electrical resistance without narrowing the magnetic flux path.

Laminated end rings with through holes guide brazing filler metal flow during heating, eliminating thick grooves and reducing material costs.

Compressing end ring slots against conductor bars via impact and applying electric current prevents length expansion caused by thermal cycling.

Disk-shaped retaining elements absorb centrifugal stress at the rod junction, preventing fractures while maintaining a constant air gap.

A three-degree-of-freedom bearingless switched reluctance motor uses constant current source windings to generate independent axial and radial suspension forces.

Deforming end rings with controlled brazing material creates integrated balance weights, eliminating separate parts and reducing vibration in electric motors.

Support material fills the cooling pipe during molding to prevent deformation, then dissolves to create a sealed channel that eliminates thermal cross-talk.

Detecting rotor bar faults by measuring temperature asymmetries at specific end ring locations avoids misleading results from healthy machine variations.

Additive manufacturing integrates stator core and windings to reduce assembly complexity and eddy current losses.

Segmenting the rotor into stamped discs, drawn bars, and die cast rings resolves contradictions between production efficiency and electrical conductivity.

Segmented stator teeth with radial recesses reduce magnetomotive force harmonics, lowering iron losses and acoustic vibrations while increasing nominal torque.

Optimizing the stator to rotor slot area ratio between 2.3 and 8.0 resolves the trade-off between high starting torque and energy loss during steady operation.

Parallel sided rotor bars with shims reduce mechanical stress from differential thermal expansion between steel cores and aluminum components.

A compact electric motor merges the drive pulley and electromagnetic brake into a single unit to eliminate reduction gears.

A rotor bar design applies a radial resistivity gradient to balance high starting torque against steady-state efficiency losses in induction motors.

Sinusoidal winding patterns in a resolver stator reduce harmonic sensitivity and simplify output signal analysis while maintaining impedance consistency.

A magnetic gear arrangement transmits rotational motion via modulated fields between active and passive members, eliminating mechanical contact noise.

Non-parallel in-slot surfaces create gaps to dissipate heat, preventing temperature rise and vibration damage in electric rotating machines.

Flat inner ends on copper sheets allow direct bar insertion, eliminating cutting and holding rings needed for curved designs.