Windings Insulation Shape/Form/Construction TRIZ Cases

Rotor-end fan blades add circumferential airflow and turbulence to cool generator windings more effectively without a larger fan.

An undercut on the pole body enables in-situ coil winding, eliminating brazing heat damage and boosting torque capacity.

Creased foldable tabs align and cover coil heads in stator slots, eliminating residual biasing forces that cause deformation.

Segmented lamination stacks with staggered teeth allow easy winding access while intermeshing improves slot fill factor.

An indented stress relieving portion releases press-fit strain, maintaining floor horizontalness and preventing vibration without increasing housing weight.

A rotary motor design transfers heat from stator coils to a load side bracket through an insulator.

Moving fitting grooves away from crimps prevents back yoke deformation, maintaining insulator stability and suppressing motor noise.

An elastic wire guide accommodates thermal expansion and manufacturing tolerances in high-speed generator rotors through deformable radial branches.

Segmented support members guide coil wires through receiving grooves while through-holes align bus bars, reducing welding complexity in motor manufacturing.

Press-fitting segment coils into intermediary connecting member recesses eliminates complex welding equipment and reduces manufacturing process complexity.

Segmented tubular insulation tubes isolate electric conductors within stator slots, preventing electrical shorts while maintaining a high slot-fill ratio.

Outer rotor fan motor with integrally molded stator and circuit board reduces material usage while providing waterproofing for refrigerator applications.

Drilled holes in rotor fingers accept brazed plugs to redistribute mechanical loads, preventing fatigue cracks during maintenance.

Sliding connectors adjust split core spacing to increase wire area without requiring new winding machines.

Axially overlapping turn portion apexes preserve insulation distance and reliability while enabling efficient crank-shaped part manufacturing.

Radial fingers on an annular insulation assembly guide and retain stator conductors, eliminating separate metal tooling removal steps.

Segmented slot coils with axial slits reduce eddy current losses while maintaining cross-sectional area and coil resistance.

Intermediary protrusions and recesses constrain coil position without narrowing magnetic paths or increasing core weight.

Segmented semiconducting layers with release treatment increase contact area between the stator coil and core slot, reducing concentrated discharge.

One-piece annular stator laminations use recessed teeth to nest plastic covers, preserving winding space for higher coil filling.

Insulator protrusions stabilize conductive wire placement, preventing movement in narrow tooth gaps to ensure reliable busbar bonding.

Three-dimensional contoured insulation plates with external end tabs cover stator hole edges, resolving the trade-off between insulation safety and motor size.

Molded plastic bodies separate stator coil ends, replacing manual paper insertion to enable automated production.

Fins extend into potting material to extract heat from end windings, resolving insufficient cooling in compact high-power density motors.

Selective tooth notches secure insulators without narrowing teeth, preventing iron loss and magnetic saturation in rotary electric machines.

A segmented cooling plate reduces eddy currents in electric machine winding heads while maintaining thermal contact with the housing.

Stepped turn portions in the stator core create gaps that allow coolant penetration, resolving overheating issues while maintaining compact design.

Form-fitting recesses in the stator insulating lamella engage fixing bolts to prevent component separation during winding.

Pre-formed routing member grooves guide stator coil wires to prevent tangling and misconnection during manufacturing.

A rotary machine stator incorporates a varnish leakage stopping portion to prevent resin flow onto housing interfitting surfaces.

Asymmetric claws lock insulators into stator grooves, preventing displacement during winding while utilizing existing structures for refrigerant oil return.

Angled rotor winding support structure resists outward magnet wire movement, maintaining stable magnetic field directionality against centrifugal forces.

Segmented creases with varying curvature radii reduce stress concentration at coil ends, preventing cracks in miniaturized rotary machines.

Leg parts of an insulating sheet insert into stator slots to anchor coil ends, preventing displacement during assembly and maintaining insulation integrity.

Segmented plastic shells isolate terminal conductors to resolve spatial access conflicts during welding while maintaining moisture protection.

Segmented slot liners with overlapping tabs line motor core teeth, preventing winding damage during radial insertion while maintaining structural integrity.

A sealing container prevents low viscosity dielectric compound from flowing away during electric machine winding cap filling.

Segmented housing isolates motor windings from partial vacuum, preventing plasma formation while maintaining low windage losses.

A sloped insulator surface accommodates variable coil diameters, eliminating mold changes and reducing manufacturing costs.

A fixture uses holding pawls to sandwich a holding jig for power lines on a motor case.

Tool-fixed deflection means guide winding wire radially between insulating body projections, reducing short circuit risks while enabling complex geometries.

An insulation element bridges the bearing opening to prevent accidental electrical contact between the stator winding neutral point and the bearing surface.

Local insulation thickening reduces capacitive coupling by a factor of 3, preventing excessive heating and discharges in the Roebel bar transition region.

Unipartite plastic seal inserts into multiple stator grooves to provide electrical insulation and cooling fluid containment.

Integrated conducting terminal block positions stator terminals and supplies resistive heating to eliminate post-molding adjustment steps.

A cold pressure welded joint connects aluminum and copper motor wires, while an insulation tube covers the burr to prevent damage.

A motor stator uses ultraviolet curable adhesive for immediate fixation to a bearing housing.

A motor stator design integrates insulating parts directly onto teeth unit projections to electrically isolate windings from the core structure.

Applying a catalytic epoxy layer to flat coil loops allows machine wrapping of straight sections, reducing manual labor and costs for curved end portions.