Windings Insulation Material TRIZ Cases

A dual-catalyst cycloaliphatic epoxy approach improves impregnation and curing while preserving storage stability and reducing insulation cavities.

Using ePTFE insulation, this case shows how magnet wire resists hydrolysis in high-pressure, high-temperature motors without extra barrier layers.

A ductile third sheath layer stops encapsulation cracks in motor windings, preserving insulation at high rotation speeds and high slot fill.

An epoxy resin with matched thermal expansion and high-temperature stiffness helps coils resist separation, stress, and rotor loads.

Intermediate elements between stator tooth groups add axial heat paths, cut weight, and support fluid or heat-pipe cooling in rotary machines.

A TiO2-silica filled polyimide multilayer insulation helps magnet wire withstand high voltage and frequency stress without thicker windings.

A three-layer enamel with silica and chromium oxide improves magnet wire corona resistance and thermal life while avoiding bend cracks.

An insulated hybrid stator core combines laminations and SMC portions to enable complex axial flux shapes while cutting eddy current and hysteresis losses.

A dual-layer insulation film uses metal oxide hydrate to form an inorganic layer under partial discharge, extending insulation life at lower cost.

Thicker insulation at stator conductor corners prevents voltage breakdown while avoiding bridging, excess potting material, and added cost.

A spacer and spring keep the varnish nozzle at a consistent gap on uneven stator surfaces, improving coverage and reducing varnish use.

Angled symmetric coil guide grooves let one stator insulator handle different coil diameters, improving winding regularity and coil space factor.

Foam-layer insulating paper creates uniform gaps between self-fusing winding wires, enabling direct coolant flow without varnish impregnation.

A non-combustible layer around coil ends blocks fire and smoke leakage in resin-molded motors when layer shorts occur.

Internal rotor fan blades, ventilation channels, and conductive heat paths cool enclosed electric machines without external fans.

Multi-layer slot molding combines dielectric insulation, thermal conduction, and electrostatic shielding to cut heat and support higher-voltage motors.

A coil covering member contains outgassing while preserving insulation between adjacent armature coils in vacuum equipment.

Nanoparticle-loaded insulation tape plus vacuum impregnation suppresses electric tree growth and extends high-voltage motor winding life.

A solvent-free varnish composition combines thermosetting resins with specific monomers to accelerate curing and improve crosslinking density.

A magnetic keeper element closes the flux path on a stator to protect embedded permanent magnets during manufacturing.

Block copolymer and functionalized polyphenylene ether enhance thermal stability and ductility, preventing cracking in vibrating electrical machinery.

Replacing toxic BDMA with TDMAMP extends pot-life and improves toughness while eliminating complex degassing requirements.

Flat strip conductors eliminate interstitial spacings to resolve winding difficulties and boost electrical output in large axial flux generators.

Plastic or rubber insulation parts between stator coils attenuate vibrations to reduce electromagnetic noise in compressor motors.

Mixed resin insulation suppresses coating squeeze during winding, maintaining breakdown voltage and thermal aging resistance in narrow spaces.

Thermoplastic adhesion layer maintains strong bond at high temperatures, eliminating solvent varnish complexity.

Varying relative permittivity in foamed insulation suppresses corona discharge at coil ends, improving durability without complex manufacturing.

Dielectric plates at stator slot exits reduce electric field strength to prevent insulation degradation from high voltage and altitude operation.

A stator slot liner uses a mesh structural member coated with polyimide resin and high thermal conductivity electrical insulating filler particles.

Butyl rubber seals resist carrier gas and water permeation, extending maintenance intervals by three times.

Concave sections on stator insulating films anchor protective paint, preventing peeling and ensuring reliable insulation.

Scattered nanoparticles in macromolecular polymer join insulation layers to suppress electric tree progression in high-voltage motor windings.

Dry mica tape uses dual binder resin layers to enhance heat resistance and electric insulation in coil windings.

Replacing manual tape winding with automated spraying eliminates trapped air and partial discharge erosion while reducing material costs.

Segmenting the rotor and extracting windings into the airgap eliminates laminated steel stators, reducing magnetic losses while simplifying production.

A two-component epoxy resin system uses a homopolymerization catalyst and reactive diluent to enable heat curing.

Multi-layer vernier motor merges axial and radial flux to expand torque generation area without increasing volume.

Aluminum hydroxide fillers enhance thermal conductivity without causing breakage during high-tension winding of electrical coils.

Segmented stator teeth with over-moulded insulation reduce manufacturing complexity while enhancing thermal conductivity and coil winding efficiency.

A coil with varying conductor pattern intervals maintains consistent overlapping width with a permanent magnet.

A one-part epoxy resin composition uses methylnadic anhydride and a latent accelerator to bond motor coils.

Axial flux motor uses green glass coated magnet wire with internal cooling to resolve power density and thermal tolerance trade-offs.

Segmented enamel and polyphenylene sulfide layers resolve partial discharge voltage versus adhesive force trade-off in inverter equipment.

Integrated resin insulator combines phase isolation and wiring board insulation to reduce assembly man-hours.

A stator core uses steel sheets with varying staking counts to control induction heating temperature gradients.