Transformers TRIZ Cases

Two-plane windings and segmented magnetic cores improve wireless EV charging efficiency in limited pad space while reducing electromagnetic leakage.

Opposed magnetic-field coil coupling prevents radiating elements from weakening each other, preserving low-band antenna efficiency across wider bands.

Impedance changes in transmitting coils reveal multiple receiver positions without extra hardware or communication, enabling real-time wireless power control.

Filling the coil-core gap with magnetic glue strengthens magnetic coupling and induced voltage, enabling smaller wireless charging modules with higher efficiency.

Modular stators and AC/DC windings raise superconducting magnet charging speed while keeping the flux pump structure simple and power cost low.

Pre-magnetized variable chokes stay low-impedance in normal grid operation, then raise impedance during faults to limit overvoltage and short-circuit effects.

Direct-bond copper and ceramic layers create a multilayer inductive coil that resists dielectric breakdown while supporting high-power wireless transfer.

Balanced multi-layer coil connections cancel non-uniform magnetic and electric interference to keep current measurement accurate in harsh installations.

Controlled corner and side radii stabilize wire tension on rectangular coil bodies, reducing breakage and molding-defect impact.

Multiple primary coils and spaced permanent magnets maintain MPP and BPP/EPP charging compatibility while limiting efficiency loss and overvoltage.

Balanced annular coil pairs and layered winding links suppress non-uniform field interference for more accurate current measurement.

Dual transmit coils charge simultaneously or alternately to raise wireless charging speed while limiting temperature rise.

A ferrite-channel coupler in a sealed polymer block redirects stray magnetic fields to cut attenuation and protect downhole data links.

A helical receiver coil spaced from a lossy housing improves wireless charging efficiency in thin implantable neuromodulation devices.

Unequal high-voltage winding turns across sub-transformers preserve the design ratio, efficiency, and voltage adjustment range.

Non-uniform coil turns and tuned capacitors reduce magnetic field variance, improving large-gap wireless power efficiency and thermal performance.

Dynamic frequency tuning with ferrite shielding extends wireless power transfer gaps to 15 mm while preserving granular power control.

Alternating conductive layers of different thicknesses cut proximity-effect AC resistance and heat in compact wireless charging coils.

Non-uniform coil spacing and asymmetric turn openings extend wireless power communication range while limiting DC resistance and impedance change.

Planar coil patterns on opposing substrates replace wound wire to keep magnetic coupling while enabling a much thinner magnetic component.

Placing power inductors before the inverter cuts AC losses and harmonics, improving wireless charging efficiency, thermal behavior, and EMC.

A magnetic shield between the fastening magnet and charging coil preserves wireless charging efficiency and communication quality.

Different core pieces saturate at different current loads, giving a compact surface-mount swing inductor staged rolloff and strong DC bias resistance.

Routing return current above or below capacitor sheets and using magnetic cores cuts proximity losses and improves high-frequency quality factor.

Strategic gaps in conductors block full current loops, reducing eddy losses and improving field uniformity in electromagnetic components.

A nickel shielding layer around the inductor coil cuts proximity-effect resistance and power loss in wireless charging.

Balanced detection coils and compensated antenna coupling improve wireless charging foreign object detection while reducing false alarms and heat risk.

Primary-coil current sensing adjusts duty signals to keep spark discharge energy stable as combustion chamber flow changes.

Selective elastomer coverage on exposed iron core contact surfaces reduces thermal stress and helps prevent ignition coil filler cracking.

Separating feedback and auxiliary windings across two magnetic cores cuts capacitive coupling and improves current measurement over a wider frequency band.

Magnetically coupled main and auxiliary windings improve multi-phase VR transient response while easing inductor manufacturing and heat dissipation.

Precise external power control, low-frequency operation, and ferrite shielding extend wireless charging gaps to about 15 mm while preserving efficiency.

Opposing metal rings confine stray magnetic flux in a coreless planar coil, cutting crosstalk and improving transformer efficiency.