Windings Insulation Material TRIZ Cases

See how blocked-terminal polyimide resin components and acid scavengers reduce acid generation

See how high saturated water content oil competes for water absorption, protecting ester-bond i

See how non-uniform insulator wall thickness—thicker at the base, thinner at the leading end—le

See how motor windings serve as both drive coils and heating elements, eliminating separate reg

See how high-resistivity refrigerant oil reduces leakage current in compressors using fluoropro

See how stator silicon steel sheets with magnetic induction >1.79T and optimized diameter ratio

See how shell encapsulation and PEEK insulation protect motor coils from ammonia's chemical agg

See how fluorine plastic fasteners, tape, and binding tubes secure motor windings and insulatio

See how a hermetic motor design with encapsulated stator end turns and integrated VFD withstand

See how a damper between upper and lower insulators absorbs vibration, while a coil protection

See how stator design using silicon steel sheets with magnetic induction >1.79 T and optimized

See how fluorine plastic fasteners and binding tubes fix motor windings and insulation in ammon

High-resistivity refrigerant oil improves compressor insulation and cuts leakage current when low-resistivity refrigerants are used.

Epoxy acrylate water-dispersible varnish cuts curing volatiles and extractability, helping compressor stator insulation resist refrigerant clogging.

Pressure-driven oil supply spreads oil across compressor motor windings to preserve insulation over time while avoiding complex lubricant structures.

A stator-end conducting and insulating structure redirects end-coil electric fields to cut shaft voltage and prevent bearing corrosion.

A dual-resin encapsulation replaces mica winding to resist partial discharge erosion, cut insulation build time, and maintain electrical lifetime.

Peeling the outer insulation, then welding or crimping and varnishing the exposed wire end, keeps armature strands from untying during manufacture.

Spherical SiO2 filler lowers powder coating viscosity, improves degassing, and helps create pore-free insulation for electrical machines.

Absorbent fibers between stator windings use capillary action to improve resin filling, cut waste, and simplify motor insulation production.

Insulating resin fully fills stator slot gaps around winding wires, replacing insulating paper to improve heat dissipation and insulation.

A cycloaliphatic epoxy and anhydride potting mix lets embedded windings withstand over 200°C while limiting thermal expansion.

A fiber-reinforced support element stabilizes rotor windings under high loads while reducing potting cracks and rotor weight.

A stator-end conducting and insulating structure redirects end-coil electric fields away from the motor shaft to cut axis voltage and bearing corrosion.

Amorphous metal insulation around stator windings maintains resistance up to 500°C while supporting heat removal through integrated cooling channels.

A recessed stator insulator wall lets coating agent reach the coil while shielding it from welding spatter, reducing defects and rework.

Carbon nanotube reinforcement lets aluminum magnet wire keep conductivity while improving strength, creep resistance, and coil winding density.

Negative-pressure extrusion with a polyamide-imide bonding layer cuts bubbles in thermoplastic polyimide wire insulation and improves breakdown voltage.

A metal non-combustible layer around protruding coil ends contains fire and smoke inside resin-molded motors when coil shorts occur.

A silane-structured thermosetting stator seal dissolves in solvent, enabling coil recovery without high-temperature ashing or complex recycling.

Thermally conductive insulation and exposed core surfaces help an axial flux stator shed heat, extending peak power operation and lifespan.

Recirculated basin fluid is sprayed on a sealed direct-drive motor casing to control heat and freezing without added cooling hardware.

A flat foldable insulator and low-heat bus bar crimping improve stator assembly durability, heat flow, and manufacturing safety.

A separate winding support lets stator coils be pre-assembled and axially inserted, cutting scrap, cost, and insulation risk.

A paint-tape-paint stress control coating fills voids, stabilizes voltage gradient, and reduces corona discharge in high-voltage conductor insulation.

A sunken insulating layer forms a direct-contact cooling channel around rectangular wire, increasing heat transfer area and cooling speed.

Negative-pressure extrusion and core preheating cut bubbles in thermoplastic polyimide wire insulation, improving breakdown voltage and life.

Variable insulation on high-voltage hairpins suppresses partial discharge while preserving slot fill, output power, and stator core margin.

A PEEK-TPI insulating layer bonds directly to conductive wire, improving adhesion, breakdown voltage, and heat resistance without extra layers.

Direct-contact microchannels with two-phase coolant remove end-winding hot spots, lowering thermal resistance in high-torque motors.

Controlled film shrinkage and adhesive hardness help this motor insulation laminate resist heat, moisture, and transmission fluid without peeling.

UV fluorescence detects residual contamination on stripped hairpin stator conductors, preventing welding defects and reducing scrap in series production.

Hot-pressed B-stage epoxy mica and film tape create void-free coil insulation with higher voltage withstand and no vacuum impregnation.

A foaming slot-side adhesive and low-viscosity wire-side adhesive cut insertion resistance while preserving stator-to-coil heat conduction.

An overmolded stator insulation and carrier cut parts, assembly steps, and tolerance issues in external-rotor electric motors.

A conductive shield layer with controlled surface resistivity suppresses partial discharge in electric windings while supporting higher voltage and temperature ratings.

Thin inner insulation layers and thicker outer layers improve wire adhesion and flexibility, preventing peeling and cracking during tight bending.

A conductive shield layer with controlled surface resistivity prevents partial discharge in electric windings without thicker insulation or larger machines.

Alternating copper-graphene layers on motor stator bars raise power density and cut skin-effect energy losses in vehicle electric motors.

A dual-adhesive insulation sheet cuts winding insertion resistance, then foams during heating to close gaps and preserve stator heat conductivity.

A locally tuned insulation thickness on rectangular wire corners prevents bending cracks while preserving space factor and dielectric strength.

A semi-conductive outer enamel layer with filler particles concentrated near the surface dissipates partial discharge energy and slows insulation aging.

Elastic decoupling regions between rigid pole-cover segments absorb assembly and operating stress while preserving winding guidance and shape stability.

A soft magnetic body embedded in the coil substrate cuts high-speed AC copper loss while preserving PCB manufacturability and space factor.

Controlled heating and cooling gives PEEK-insulated conductors uniform crystallinity, limiting blistering and copper oxidation in harsh environments.

Interleaved conductive and soft magnetic ribbons form free-standing pole pieces that ease trapezoidal manufacturing and improve flux utilization.

Leaving stator end windings unvarnished lets coolant flow between wires, improving heat extraction and supporting higher current density.

Plastic overmolding seals the aluminum-to-copper motor connection in a fluid circulator, limiting oxidation and extending service life.

An alicyclic epoxy with anhydride curing and imidazole catalysis raises heat resistance and Tg for reliable rotary electric machine operation.

Direct coolant flow through insulated coil sections improves electric machine cooling while avoiding bulky external heat sinks and re-cooling circuits.

RTD-based winding temperature sensing and load-based threshold estimation improve motor insulation monitoring accuracy and prevent thermal overrun.

Multi-size conductive fillers in a thermoset stator molding improve slot gap filling and heat dissipation while preserving insulation.

Foamed slot insulation seals coil pass-through holes while snap-fit covers hold the stator end cover firmly and limit refrigerant inflow.

An epoxy resin with spherical inorganic filler improves insulation, molding, and dimensional stability in high-density stator coils.

Using polyvinylalcohol tape and superacid accelerators, this case cures anhydride-free stator insulation and resists partial discharge.

Co-extruded thermoplastic layers cut magnet wire insulation cost while maintaining dielectric strength and electrical performance.

A resin-filled stator partition separates the coolant channel from the rotor chamber to prevent leakage and improve motor cooling efficiency.

Internal magnetic heating cures low-viscosity resin uniformly in complex shapes, reducing shrinkage while preserving dielectric strength.

Monolithic PCB stator panels use plated vias, dielectric coverage, and turn-count matching to simplify manufacture and limit eddy current losses.