Windings Insulation Shape/Form/Construction TRIZ Cases

Curved second exterior members guide resin flow around coil ends, eliminating trapped air pockets that cause corona discharge and short circuits.

A multipurpose part electrically isolates the heat sink and bearing, preventing short circuits without increasing machine size.

Segmented stator cores with optimized tooth angles resolve winding difficulties while maintaining motor efficiency.

Tapered comb-like engagement portions on stator insulators guide automatic insertion into core slots.

Segmented coil blocks interlock and bond with resin to reduce space harmonics and core losses in linear electric motors.

A metal dummy ring uniformizes circumferential support to lower natural frequency and reduce electromagnetic vibration.

Pre-cut insulating paper sections are positioned and inserted into wiring slots via a clamping mechanism, eliminating gaps to improve insulation reliability.

A stator insulator uses varying thickness to enhance insulation reliability for dynamo-electric machines.

Terminal block cover with isolating ribs separates resolver terminals to prevent foreign matter intrusion.

Integrated injection-molded insulation body eliminates separate fitting steps, reducing device complexity while maintaining reliable electrical isolation.

Segmenting terminal wire connections into spaced portions eliminates radial protrusion of bundled wires, reducing overall stator dimensions.

Segmented stator teeth enable high copper fill factors while reducing detent torque and handling complexity in external rotor motors.

A tubular stator bobbin uses segmented flange notches to align coil ends and minimize crossover wire length in axial-air-gap machines.

Bridge conductors connect series stator coil units to eliminate connection rings, reducing welding regions and fabrication complexity.

Descending turn count arrangement minimizes magnetic flux leakage and stabilizes electric current flow despite parallel wire construction efficiency.

Flexible dielectric sheet with cooling holes and rigid separator member insulate stator end turns.

Segmented coil former parts overlap axially to insulate coils from grounded teeth, maintaining copper fill factor and magnetic conductivity in rotary machines.

Opposite winding direction on adjacent c-shaped stator cores merges polarity groups to reduce termination block size and connection count.

Segmented insulation films and tooth coatings resolve the trade-off between improved insulating performance and restricted slot space in motor stators.

An insulating cap with a spatially varying dielectric layer reduces partial discharge risks by enabling external earthing of high-voltage end windings.

Shield plates on both sides of the stator core block external magnetic flux, preventing noise entry and improving angle detection accuracy.

An insulating enclosure houses the Y-point junction with dielectric potting compound to create a robust electrical barrier.

A jig restricts insulating paper displacement during lead wire insertion, maintaining slot capacity and enabling coolant flow between protrusions.

A hydrophobic electrically conductive PTFE woven fabric replaces double-layered mica structures in stator windings to provide integrated corona protection.

A lead clamp bundles three-phase wires to secure connections against vibration.

Disposable insulating films prevent metal abrasion powder deposition on windings, avoiding insulation failure without costly varnish processes.