Windings Insulation Shape/Form/Construction TRIZ Cases

A toothless armature with rectangular multi-wound segments improves heat dissipation, flux distribution, torque generation, and eddy current loss control.

Segmented magnetic-flux changing pole-face components spread flux, cut eddy current losses, and preserve magnetic force at high speed.

Flat insulation wrapped and bonded around wiring elements enables automated stator and rotor assembly with lower material use and simpler insulation.

Slanted stator core surfaces create a low-cost interference fit that boosts housing fixing force while limiting core deformation under torque.

An insulating cover holds and positions multiple stator coil ends to simplify assembly while ensuring reliable insulation and terminal retention.

Bypass fluid channels outside stator grooves cut pressure loss while support points still clamp the conductor bundle for effective cooling.

Gaps between segmented stator pole units and a second stator ease distributed coil winding while maintaining stable placement.

Strategic deepest-slit placement reroutes phase connecting wires to maintain insulation distance without increasing insulator axial length.

An annular member surrounding the coil end suppresses centrifugal displacement and keeps a wound-field rotor coil properly positioned.

Arc-shaped inner supports cut stator press-fit load while improving motor assembly accuracy and rotational resistance consistency.

Integrated slot cooling channels and insulating covers cool stator bars efficiently without sacrificing fill factor or adding winding complexity.

Elastic receiving pockets, deflection balconies, and wire guides keep stator coil wire centered, protected, and reliably contacted.

A shaft-driven fan pressurizes stator windings through a restricted airflow path to suppress corona discharge in high-altitude motors.

Alternating slot liner sections and a phase separator arm improve winding cooling, insulation, and retention in compact electric machine slots.

Flexible slot liner arms separate adjacent windings, improve coolant flow, and reduce arcing risk in compact electric machine slots.

Twisted rectangular coil wires in an axial gap motor shift positions during winding to cut linkage flux loss and reduce inner-wire breakage.

Staggered rectangular and trapezoidal windings raise stator slot fill, simplify assembly, and increase motor power density.

An insulator-supported male terminal keeps orientation stable during resin molding, avoiding potting while preventing conduction failure.

Load-receiving base and guide portions support stator windings during coil winding, protecting terminals without enlarging motor size.

Integrated insulators, wire guides, and coil connectors simplify stator wiring, cut parts, and maintain insulation spacing and air-gap stability.

Perforations in the coil insulating body let coolant reach the windings, reducing thermal resistance while preserving electrical insulation.

Bottom-surface engaging portions in insulator through-grooves stabilize cover attachment under wire tension, improving compressor insulation reliability.

Cambered insulating surfaces let maglev motor coils pack tightly in limited space while avoiding air gaps and uneven magnetic flux.

Metal particles in semiconductive stator coil tape melt under local discharge heating to preserve conductivity and extend corona resistance.

Segmented stator insulation shifts electrical isolation into the core, cutting thermal barriers, insulation bulk, and generator cost.

A gap hole in the bobbin back-yoke wall increases coil spacing, lowers inductance, and prevents resin stagnation during molding.

A mold core closes each stator slot during resin filling to stop leakage, ensure coil insulation, and keep the motor air gap consistent.

Selective coat removal and thermally conductive resin improve stator coil end cooling while preserving electrical insulation.

Metal heat-dissipation fins and a stator-base member draw coil heat from an outer-rotor motor to limit temperature rise and improve reliability.

Insulation layer extensions space the groove closure element from the carrier, increasing creepage distance and reducing abrasion at higher voltages.

Positioning members and segmented coil cartridges stop radial coil displacement and enable partial replacement in magnetizing yokes.

An angled groove in the motor housing holds stator solder joints without fixation, preventing deformation while keeping the blower motor compact.

Guide protrusions position stator coils in the bobbin through hole so resin fills evenly, reducing stress concentration and dielectric breakdown.

A variable-width eccentric cover improves stator end-winding cooling, reducing temperature spread and pressure drop for higher motor output.

A variable-width annular cover evens stator end-winding cooling, cutting temperature spread and pressure drop in high-power motors.

A protective layer combining nonlinear resistance material and resin covers corona shield regions to suppress creeping discharge and improve coil insulation.

Integrated coolant grooves directly cool and stabilize flat wire windings, cutting EV motor heat loss and temperature rise.

Encapsulated bus bars, neutral bars, and cooling channels simplify hairpin winding connections while lowering resistance and improving heat dissipation.

Heavy-copper PCB traces replace overlap and thermal joining to cut winding connection losses, improve isolation, and limit fault propagation.

Bubbles in resin around the stator neutral busbar raise thermal resistance, reducing heat loss and improving temperature sensing accuracy.

Angled slot-liner flaps form inner and outer varnish dams to keep stator-slot coating uniform and prevent leakage into the air gap.

A 2-pole, 12-slot stator arranges same-phase windings on adjacent teeth to simplify winding layout while enabling high-speed rotation.

Profiled slot spacers guide liquid coolant around stator windings to improve heat transfer, lower winding temperature, and limit cooling complexity.

Cooling fluid routed through winding channels removes heat at the source, improving electric machine thermal control and power density.

Asymmetric conductor corners and foaming adhesive improve stator cooling flow while preserving coil output and fixing force.

A shorter foot below the axial force receiver stabilizes the motor busbar holder, preventing skew, crushing, and weld-space interference.

Flanged stator insulator assemblies lock interphase insulation members against radial shift, preventing phase contact and insulation failure.

Axially displaced coil layers expose end turns to more cooling fluid and turbulence, improving heat removal at electrical machine coil ends.

An internal stator mandrel water channel improves winding heat exchange, cutting separate cooling parts, cost, and reliability risk.

Axially displaced coil layers improve end-turn cooling by increasing airflow contact and turbulence for more uniform temperatures.