Windings Insulation Shape/Form/Construction TRIZ Cases

Segmented resin application prevents overflow onto pole cores, maintaining electrical insulation while reducing material waste.

Variable thickness insulation on oblong conductors resolves the contradiction between high space factor and reliable electrical isolation in electric machines.

Strip-shaped insulating paper directs liquid coolant circumferentially through armature winding coil ends for effective thermal management.

A flaring tool shapes slot liner crowns to create consistent openings for wire insertion.

Tapered stator teeth with edgewise windings ensure phase-to-phase electrical clearance, reducing magnetic saturation and improving torque output.

Projections on stator teeth extend into grooves to boost creepage distance without enlarging the device or increasing cogging torque.

Insulating resin cracks separate from stator coils when thermal stress occurs, protecting conductors from damage.

Radial outside coil winding via a flyer machine resolves nozzle speed limits and space factor constraints in inner rotor brushless motors.

An electrically insulating deflection hook secures the last winding to prevent shifts and improve design flexibility.

An elastic insulating clip replaces complex bonding processes by self-clamping onto stator winding overhangs, preventing damage during insertion.

Magnetic bodies in stator gaps reduce leakage flux and increase torque without structural complexity.

Reversing connecting conductors orient unit coil connections to reduce potential differences in rotating electrical machine stators.

An insulator extension portion supports the stator body during resin molding to suppress physical deformation of the component.

An automated apparatus grips and rotates stator wire leads to precise angular positions using a controller and arbor mechanism.

A stator coil uses interphase busbars with connecting end portions oriented in radial and circumferential directions to dampen mechanical vibrations.

A force distribution element decouples axial assembly loads from fragile winding connections, preventing mechanical damage during operation.

Elastic protrusions on a plate-like insulating member engage stator insulators to restrict axial displacement.

Interference fit seals phase leads, eliminating separate gaskets to resolve the contradiction between sealing reliability and motor complexity.

Inserting the three-phase terminal between insulators protects it from external impacts while reducing motor axial length.

Segmented ceramic caps extract heat from insulated windings, resolving thermal isolation caused by casting compounds.

Extended middle shoes form radial air gaps between stator windings to enhance airflow and reduce arcing risk.

A rotor cover uses fins extending into stator slots to create a sealed chamber that protects the air gap from metal particles.

Expanding the vent channel cross-section captures resin and reorients glass fibers, preventing leakage into surrounding equipment.

Segmented stiffening elements with radial windows allow cooling fluid circulation while protecting stator coils from engine-induced vibrations.

Axial extension of insulating sheets prevents frictional displacement during coil insertion, eliminating chamfering steps while maintaining high space factor.