Transformers/Inductances Details TRIZ Cases

Controlled groove formation and SiO2/FexSiOy oxide balance help grain-oriented electrical steel cut iron loss while maintaining flux density.

A hermetically sealed switch housing uses vacuum or arc suppression gas to contain arcing and contamination in on-load tap changers.

A dual-alkoxide coating film prevents particle adhesion and fracture during molding, raising core permeability and specific resistance.

Selective roughening of upper spiral-pattern regions improves resin adhesion while limiting sectional-area loss and DC resistance rise.

A rotatable flange lets heavy high-voltage bushings align and fasten more easily, reducing installation effort while keeping secure sealing and insulation.

A tapered inductor core with lower front-side surface skewness and a flange increases coil friction to prevent displacement in electronic pens.

Tapered bobbin wall regions and guide elements reduce wire winding offset while preserving larger openings for coolant and oil exchange.

A bi-layer superconducting ground plane tunes planar inductance via bias current while preserving supercurrent capacity and noise tolerance.

A recessed gate-mark structure traps detached soft magnetic particles before they reach the coil, protecting insulation and easing reactor manufacturing.

Integral pouring with warm-water pressing enables ultra-thin power inductors while avoiding coil damage, short circuits, and dry-press limits.

Restricted-rotation bisphenol epoxy binds magnetic particles to resist thermal degradation and preserve reliability in high-temperature use.

A high-strength buffer layer at metal edges absorbs thermal expansion stress, preventing passivation cracks and delamination during thermal cycling.

Controlling wound core corner angle to 23°-50° confines magnetic flux and cuts strain-induced iron loss without annealing.

Periodic width-shifted linear strains refine magnetic domains to cut eddy-current loss while suppressing hysteresis loss and noise.

Precise alloy composition, particle size distribution, and oxygen control improve DC superimposition, permeability, and withstand voltage in magnetic cores.

Selective interlocking at the outer sheets and adhesion at the center improves laminated core magnetic properties while holding outer shape accuracy.

Fine inclusion control in grain-oriented electrical steel improves wound core bending accuracy while limiting strain-related iron loss.

A connection capacitor between substrate inductors suppresses coupling while preserving compact chip size and stable attenuation poles.

Controlled intermediate-layer thickness in bent corners helps wound cores keep magnetic properties while reducing iron loss.

Mixed-size Fe particles with Fe oxide, Si oxide, and P oxide layers improve insulation and curb eddy current loss in thinner magnetic cores.

Controlling insulating coating thickness variation between laminated steel sheets suppresses flux transfer and lowers transformer core loss.

Cold-pressure joining, annealing, and molding of flat conductors enable mass-produced coils with higher space factor and better heat dissipation.

Low-temperature, low-pressure bonding of adhesive-coated electrical steel sheets maintains core strength while reducing cooling needs and equipment size.

Electromagnetic coupling forces equal current across parallel fuse phases, preventing overheating, failure, and board damage.

A mesogenic epoxy binder with Li, Ba, Mg, or Ca additives resolves the dust core tradeoff between moldability, rust resistance, and permeability.

Intersecting bobbin and guide portions route series-connected superconducting wires so joint sections fit compactly without crowding the wound coil.

Inclined, radially overhanging pad portions keep conductor contact reliable while preserving coil inner diameter and compact multilayer layout.

A sensing circuit between the transformer primary winding and ground distinguishes faults from ferroresonance and trips disconnection automatically.

Overlapping laminate substrates create a wide magnetic sheet that cuts assembly time while limiting flux leakage and preserving permeability.

A nonuniform Co-rich surface layer helps Fe-Co dust cores keep high permeability while improving withstand voltage stability.

Spiral insulating-layer wrapping cuts winding wire diameter while preserving winding spacing and raising withstand voltage for smaller transformers.

Discontinuous broken-line grooves cut stress concentration in grain-oriented steel, preserving bendability while keeping iron loss low in wound cores.

Strategic spacing of joint portions away from bent regions suppresses strain interference and lowers iron loss in wound cores.

Segmented Si, Zr, Al, or Ti oxide layers suppress hematite formation while isolated Fe particles preserve permeability and insulation.

A flexible sheath with rigid spacers simplifies bar-pass assembly without grease while preserving watertightness and electrical insulation.

Stacked PCB coils with alternating polarity boost low-current sensitivity while canceling electrostatic and magnetic interference.

Partial overlap and vertical stacking of coil end portions cut proximity effects and stray capacitance while keeping the component compact.

Adjusted turn spacing and overlap remove dummy patterns in stacked coils, preventing exposure failures while preserving high-frequency characteristics.

A split epoxy bushing clamps a welded annular disk with O-rings to stop transformer liquid leakage while keeping assembly secure.

By orienting electrical steel sheets so legs and yokes follow easy magnetization directions, this case improves flux density and cuts iron loss.

Controlling insulating coating hardness and sol molecular weight helps laminated cores keep strong sheet bonding without degrading magnetic characteristics.

Matched thermal expansion between the coil PCB and clamp reduces stress in vibrating flow sensors exposed to high temperatures.

Variable deformable-portion spacing matched to local grain size refines magnetic domains and cuts energy loss in electrical steel sheets.

Protective-film laser scribing forms low-spatter grooves that preserve magnetic domain refinement after stress-relief annealing.

A nested dual-wire winding layout shortens the outer wire path to reduce DC resistance mismatch and stabilize coil characteristics.

Bent corner sections and controlled grain-oriented steel reduce flux concentration, waveform distortion, and transformer iron loss.

A guide channel and malleable lead-out sleeve route multi-stranded coil ends into a closed ring for compact, automatable PCB connection.

Alternating parallel and crossing turns keeps common mode choke wires aligned, preserving inductance and reducing EMI.

Controlling adhesive hardness and sol molecular weight helps laminated cores keep bond strength without degrading magnetic characteristics.

Inner-side resin gating and outer leg support prevent thin reactor core legs from collapsing during molding.

Plate-shaped members in a laminated coil reduce end-surface coil marks, preventing bubbles and outer electrode defects.

Air cavities in laminated coil conductors lower stray capacitance and help multilayer inductors keep high impedance at higher frequencies.

Controlled shielding around one secondary coil preserves switching distance and detection accuracy during flush mounting near metal parts.

Controlled Fe-Co distribution in soft magnetic powder helps magnetic cores resist saturation under DC bias while supporting smaller, high-current devices.

Sawtooth inner and outer cores let planar inductors tune air gaps during assembly, easing tolerance limits and avoiding costly CNC machining.

Controlling crystal grain size in tight bent portions helps polygonal wound cores keep magnetic efficiency low iron loss with small curvature radii.

Closure-domain control and lap-length tuning cut interlaminar flux transfer, iron loss, and waveform distortion in wound cores.

Closure-domain and non-closure-domain regions in grain-oriented steel suppress core magnetostriction, cutting transformer noise without enlarging the core.

Planar coil patterns on an insulating layer resolve the contradiction between miniaturization and inductance by expanding effective winding area horizontally.