Transformers TRIZ Cases

Hybrid laser cutting and chemical etching create narrow PCB coil gaps, improving wireless power antenna Q, ESR, and low-frequency efficiency.

An asymmetric inner-to-outer spiral coil shape preserves magnetic coupling and power transfer efficiency in both aligned and misaligned positions.

Computational modeling and iterative parameter search help optimize stacked plate resonator wireless power transfer when closed equations are impractical.

Opposed-polarity stacked coils create near-zero net flux in selected regions, improving position sensing accuracy and functional safety.

A separate rotatable shaft extension cuts installation space and bearing load by matching bearing size to local rotor loads.

Balanced primary-to-secondary capacitive coupling in a split planar transformer cuts common-mode EMI and far-field radiation in isolated DC-DC converters.

A ferrite-surrounded transmitter and heat sink extend wireless charging through cabinets and countertops while limiting heat damage.

Stacked coil groups with insulated layers even out current flow, lowering impedance and expanding the effective wireless charging area.

Voids in a ceramic-based planar coil improve heat release while preserving conduction, increasing reliability in transformers and wireless power devices.

A shunt resistor across a measurement coil extends AC current sensing to higher-frequency components for more accurate apparatus condition diagnosis.

Asymmetric coil placement and single-surface electrodes shorten current paths, cutting DC resistance in coupled inductors for mobile power management.

An open-core transmit resonator cuts far-field electromagnetic emissions and improves heat dissipation while maintaining wireless power transfer.

A PCB Rogowski coil with insulation layers and adaptive noise cancellation improves bushing current measurement accuracy while saving space.

A magnetic element placed between the core and coil boosts coupling and induced voltage, enabling smaller wireless charging modules.

Adjacent parallel and series coil groups raise coupling and inductance ratio for RF chip impedance conversion with lower loss.

A universal yoke, cradle, and antenna layout lets one wallbox dimmer support multiple button assemblies while preserving function and wireless range.

Air gaps and off-center core geometry create asymmetric flux to harvest usable voltage from balanced single- or multiphase power cables.

A detachable multi-core transformer forms closed ring cores around a live cable to measure AC and DC current without a power outage.

A removable manhole lid and protruding inner member make buried wireless power coils easier to service while protecting efficiency and durability.

Series-connected sub-transformers with opposite excitation polarities improve assembly and heat dissipation while preventing resonance.

Splitting primary current across parallel branches cuts secondary turns, reducing current transformer size and weight at high current ratings.

A high-voltage impulse drives a resonant transformer at Schumann frequencies to pull earth electric field energy into usable AC or DC power.

A shielding member in overlapping coil regions blocks mutual electromagnetic interference, improving wireless charging efficiency and limiting heat.

Variable permeability, air gaps, and heterogeneous ferrite help equalize flux density, cut inductor losses, and keep cores compact.

Segmented magnetic elements and an adhesive-backed coil improve wireless charging, strength, heat dissipation, and thin-module EMI control.