Manufacturing Dynamo-Electric Machines TRIZ Cases

A centrifuge rotor body uses helically wound carbon fiber tows to distribute radial loads across the sidewall.

An electric motor with an internal fluid distribution chamber directs cleaning jets to wash the cooling fan and shroud without disassembly.

Index mechanism rotates core to undo wire rod twists, eliminating dedicated turning mechanisms and maintaining high space factor.

A motor mounting frame design exposes fastening members on the front surface to simplify component detachment.

Increasing bonding agent viscosity prevents binder flow-out during pressure application, securing reliable electrical connections between conductor segments.

Segmented bearing faces create a gap for gas escape during laser welding, preventing porosity in coated electric machine housings.

Composite rotor with magnetic particles reduces heat buildup and stress, enabling safe high-speed energy storage.

Leg grippers allow free movement of one leg during forming, reducing insulation abrasion and defects caused by rigid mould contact.

Friction stir welding eliminates filler material and manual brazing defects to improve joint reliability.

A winding template shapes stator coil overhangs using polygonal boundary surfaces to enhance uniform heating and bonding.

A modular wire winding machine with a multi-axis spindle and tailstock supports various rotor and stator core configurations.

Sealed longitudinal channels in stator resin circulate fluid to remove heat, reducing winding temperature without increasing device complexity.

Dual chucks hold the coil core during separate winding steps to eliminate gaps between wire and attachment surfaces, enhancing magnetic flux generation.

A coil forming apparatus uses a multi-plane spindle assembly to shape electrical wires into optimized geometries.

Radial and circumferential latch pawls insert wire into multi-pole armature slots, resolving productivity and reliability contradictions.

Integrating coolant cutouts into the conductor bundle resolves the trade-off between high-power cooling efficiency and increased stator volume.

Helically winding interlaced band-like coil wires into a cylindrical stator shape.

A nested three-phase bus bar unit stacks planar branches to connect stator windings within a compact electric machine enclosure.

A wire bending device aligns the guide member rotational axis with the holder curved surface center to ensure precise wire curvature control.

Potting material fills open areas and bonds motor components, preventing moisture ingress through unsealed joints.

Positioning stator and rotor caulking uneven parts away from the main magnetic path reduces core loss caused by magnetic resistance at fastening points.

Inductive heating replaces electrical winding currents to reduce stator heating time and energy consumption during synthetic resin impregnation.

Continuous wire winds coil carriers on a stator ring, eliminating discrete connections that cause magnetic losses and increase device complexity.

Ultrasonic compaction removes insulating lacquer from enamel-insulated conductors before laser welding creates a metallurgical bond.

A motor device manufacturing method positions drive and sensor conductors within a holder member using insert molding to ensure precise placement.

Segmented pockets in a sliding fixture bend elastic bar conductors to precise angles, resolving access and precision trade-offs.

A cooling jacket assembly integrates unidirectional pin fins into a single cast body to enhance heat dissipation from electric machine stators.

Two-layer ironless air-gap windings eliminate harmonic losses by rotating coils 180 degrees to cancel magnetic disturbances.

Automated twisting apparatus simplifies manufacturing by eliminating complex manual bending operations required for varied pitch configurations.

Displaceable sleeves enclose and frictionally fix rotor wire ends, eliminating residual waste from fixed clamping.

Electric motor terminal with square cross-section prevents interference between adjacent connectors.

Pivoting units and guide assemblies shape U-shaped conductor limbs along circular paths.

A five-phase generator uses distributed windings to reduce magnetic and flow noise.

A one-piece cast motor housing integrates a spiral cooling channel between concentric shells to reduce assembly complexity and sealing effort.

Segmented pressing stages suppress springback misalignment during wire deformation, ensuring accurate stator coil assembly and improved space factor.

Stator windings use tubular knit fabric to simplify electrical phase integration.

Segmented ring lights and reflecting surfaces provide localized heating to resolve temperature uniformity bottlenecks in preheating motor cores.

Laser welding joins pre-galvanized sheet metal into cylindrical pole tubes, eliminating complex post-processing steps and ensuring fluid-tightness.

Welding the closing structure directly to casing ribs eliminates elastomeric seals, preventing leakage while maintaining thermal conductivity.

Coordinated movable clamps adjust wire geometry during bending, eliminating complex die changes and reducing setup downtime.

Axial pressing of coil end parts by shaping tools prevents springback deformation that causes side parts to pop out of slots.

A self-guiding instrument carrier uses magnetic forces to navigate the annular gap of a generator without active sensors.

Interferometric detection measures channel depth and width to dispense precise sealing compound volumes, preventing overflow in non-uniform gaps.

Rolling planar wires into spirals via plastic deformation ensures precise radial alignment during stator coil assembly.

Circumferential ribs on a stator sleeve define intermediate oil cooling channels to manage heat in integrated drive generators.

A manufacturing method bonds viscoelastic members to actuator components using a temporary jig for precise positioning.

Terminal members contact a choke coil core end surface to relieve vibration stress, preventing parasitic capacitance noise bypass in compact motors.

Segmented yokes distribute magnetic flux to reduce local saturation and leakage, while non-magnetic balls prevent dust adhesion on the guide rail.

A coil end shaping apparatus uses sequential dies to bend lead wires with high positional precision.