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.

Integrated power transmission elements replace separate cable lugs in hairpin stator designs, reducing component count and manufacturing complexity.

Thermal shaping eliminates lubricant contamination in stator insulation manufacturing, preventing toxic fumes.

A stator insulator features a radial protrusion that intercepts excess varnish before it reaches the core.

Interphase insulation sheet with projecting retaining pieces snaps into wedge grooves for secure coil end isolation.

Removing the iron core from the winding structure eliminates hysteresis losses while maintaining high power output.

Localized resin layers fix multi-layer winding coils at curved portions and between steps, preserving direct coolant contact with uncovered coil areas.

Thermally conductive polymer conduits circulate fluid to extract heat from stator cores, preventing coolant corrosion while boosting thermal transfer.

Segmented field conductors resolve coil interference to boost motor output and compactness.

A guide element directs electrical conductors in an electrical machine to ensure uniform subwinding turn lengths.

Conforming insulating former isolates axial flux stator coils, reducing winding length and assembly complexity.

A box-shaped insulating cap with a U-shaped seat integrates winding and phase connections into one piece.

Segmented bus bars on one end and mutual winding connections on the other reduce stator outer diameter by keeping coil ends clear for refrigerant flow.

A three-layer end winding corona protection system manages surface currents and voltage differences to prevent discharges in high-voltage asynchronous machines.

End surface insulators with circumferential cutouts and overhang portions accommodate slot insulators to maintain insulation distance.

An insulating layer between the housing and iron core provides electrical isolation in inner-rotor motors.

A connecting molding system automates three-phase motor winding through integrated coil units and a central shaft.

A torsion winding arm inserts coil wire into stator slots while retracting insulating paper that protrudes beyond pole horns.

Rotor annular groove accommodates crossover wires to prevent interference with the stator core.

Insulation tubes and plates separate adjacent coils in EPS motor stators, preventing short-circuits caused by tight winding configurations.

A thermally conductive medium applied to a winding support before coil placement establishes direct thermal coupling for efficient heat dissipation.

Interlocking insulators create coolant passages around stator windings to remove heat while preventing intrusion into the air gap.

A motor bearing holder guides coil lead wires through a dedicated passage to maintain electrical separation from peripheral components.

Retaining section guides crossing wire terminals to prevent positional misalignment and interference between windings in rotating electrical devices.

Continuous conductor insertion through stator slots reduces welding locations, minimizing manufacturing time and coupling errors.

Welded ear portions on slot coils secure stator cores, eliminating foreign matter from dimensional errors during assembly.