Windings Insulation Shape/Form/Construction TRIZ Cases

Stacked ring parts form segmented guide projections that secure crossing wires against injection pressure, reducing the motor's axial length.

Semi-conductive components applied at longitudinal ridges homogenize electric field intensity, reducing partial discharge risk without increasing volume.

Extended insulating sheet ear portions secure required creepage distance between windings, reducing stator weight and cost.

A retention guide portion arranges annular conductors in a spiral shape within an inserting device.

A fiberglass sleeve wrapped around paired terminal leads prevents foreign object debris short circuits.

Radial divisional core elements with insulating members prevent crossover wire damage during series winding, reducing manufacturing time.

A stator segment integrates a plastic layer for electrical insulation with injected plastic webs that reinforce the laminated core.

Stator end turns define internal channels to increase surface area for fluid contact and direct cooling medium flow.

A continuous insulating paper insertion system guides prewound coils into stator slots using a radially movable holder.

A rolled insulating sheet member with a circumferential slack portion relaxes stretching stress on twisted stator winding conductors.

Setting coil radial length against core lamination thickness prevents jumper protrusion, ensuring spatial insulation and high occupation ratio.

A stator separator uses parallel bars and oblong openings to enhance air flow between electrical conductors.

Pre-formed holding portions on electric motor bobbins anchor coil winding ends, preventing wire interference and tumbling during the manufacturing process.

Slit and winding guide parts form coil slack to relieve tension from thermal deformation without adding components.

Twisted shift sections and oblique portions minimize axial overlap of semicircular bends, reducing coil end size while improving assembly reliability.

Radial pressing decouples axial bending loads from bent portions, preventing deformation and equalizing protrusion amounts.

Crossed winding sections create gaps for adhesive anchoring, preventing connection failure when baked lacquer softens at operating temperatures.

A hairpin winding electric machine uses selectively pitched conductors to form double-layer stator windings without extra jumpers.

Tapered guide block walls regulate oil passage between flat lead wire coils, preventing radial waste flow and maintaining high cooling efficiency.

Grooves in insulation members allow easy sheet insertion, maintaining even thickness to prevent breakage while securing electrical insulation distance.

Embedding bus bars within lane change clearances reduces stator axial height while stabilizing connections between multi-layer phase coils.

Integrated bent plate bus bar eliminates costly welding processes while maintaining reliable electrical connections and reducing manufacturing complexity.

A tooth-shaped slot wall insulation configuration fixes electrical conductors and creates fluid ducts for direct cooling.

Three-layer stacked insulators with offset arc guides prevent wire interference while suppressing radial and axial enlargement.

Segmented stator core increases wire surface area to dissipate heat from sealed windings, reducing resistance and boosting power output.

Varying wire cross-sectional areas across radial winding layers minimizes AC loss from skin and proximity effects without reducing the copper space factor.

Metal joining component inserted between thermoplastic resin parts undergoes vibration to form welded joints.

Radially projecting shoulders on stator insulating plates position winding strips to prevent slippage and electrical short circuits.

Platelet-shaped metal oxide particles form an aligned flaky structure in the resistance coating matrix to enhance partial discharge resistance.

Inserting spacers between stator windings reduces resin volume, lowering manufacturing costs while maintaining structural integrity.

Lateral slot and stopper plate isolate stator wires from axle space, preventing mechanical damage and ensuring reliable electrical connections.