Transformers TRIZ Cases

A resonant primary, bifilar secondary, and capacitor correct power factor to cut transformer losses and stabilize output voltage and current.

Ferrite shielding and dynamic frequency selection let a wireless power transmitter charge across wider gaps while keeping power control granular.

Threshold-based switching between continuous and pulse modes cuts current sensor heat and power draw while preserving measurement accuracy.

A planar antenna on a polygonal dielectric substrate improves wireless power reception from multiple directions inside metal-enclosed spaces.

Opposed winding directions on a shared magnetic core cancel uncoupled flux, cutting power-conversion loss and shrinking inductor volume.

A segmented ferrite core matrix cuts AC loss and integrates resonant inductance, enabling smaller high-frequency power supplies.

A threshold-controlled feedback winding switches Hall-effect current sensing between continuous and pulse modes to limit heat and power use.

Folded locking tabs secure current sensor pins without glue, maintaining reliable coil connections under heat and vibration.

Diametrically opposed coils or Hall sensors let one electromagnetic transducer measure two fluid velocity components with less interference.

A spaced differential core concentrates leakage flux to raise differential inductance in compact EMI filters while preserving insulation and heat dissipation.

A combined coil with frequency-selective filters transfers square-wave fundamental and harmonic power more efficiently without increasing coil size.

A detachable interface module uses magnetic coupling and wireless control to operate semiconductor circuit breakers from a distance.

Sequential sensing-coil voltage checks distinguish target devices from foreign objects before wireless power transfer, reducing loss and damage.

A radially aligned receiver coil inside a sealed housing improves underwater wireless charging range, alignment tolerance, and electrical protection.

Mid-frequency AC signals induced in tissue improve tumor-field penetration and cytotoxicity while lowering the cost and limits of current TTF therapy.

Alternating current rotation in a stacked multi-level inductor limits parasitic coupling while preserving self-inductance in less surface area.

A cylindrical core with four receiver coils or Hall sensors captures flux distortion to measure two flow velocities in dense, high-temperature fluids.

A shielding plate, side shielding member, and pattern coils suppress leakage magnetic fields in wireless power transfer while maintaining charging efficiency.

Additive printing on conformable substrates replaces vacuum deposition to make planar coils with lower cost, energy use, and higher throughput.

Stacked series-connected double-D coil layers boost wireless power transfer efficiency and range while reducing magnetic flux leakage.

Resonant compensation circuits enable contactless rotor excitation across large airgaps, avoiding slip-ring wear and high-precision rotary transformer gaps.

Inductive coupling powers and biases CMUTs without wires, reducing voltage demands for wearable sensors and ultrasound imaging.

Interconnected primary and secondary windings expand electrosurgical output voltage options while reducing open-circuit leakage currents and transformer bulk.

Separated feed and collector coils cut parasitic capacitance and common mode current while delivering insulated switch-drive power in medium-voltage systems.

A sealed cylindrical receiver coil uses radial alignment and communication control to enable efficient autonomous underwater charging.

A shared multi-column core with opposite middle-column flux integrates parallel windings to cut size, complexity, and magnetic loss.

Positioning the implantable receive resonator in the thoracic cavity uses pulmonary circulation to dissipate heat while maintaining wireless VAD power transfer.

Modular core pieces and stacked dual windings shrink high-current magnetic components while preserving coupled winding performance and lowering cost.

A planar spiral coil with a more circular inner shape evens magnetic field strength, improves coupling, and tolerates receiver displacement.

Opposed windings on two closed magnetic cores cancel common-field interference, preserving isolated gate-driver control signals.

Stamped planar windings with molded insulation cut leakage inductance, overheating, and switching stress in welding-type power supplies.

Layered magnetic materials with spherical and flat particles balance inductance, DC bias characteristics, and Q factor in one inductor.

A bent elongated conductor cross-section suppresses backflow and uneven current distribution, cutting AC coil loss in helical windings.

A PCB winding nested around and into a holed magnetic core cuts wasted space and raises planar transformer power density.

Non-resonant frequency control and switchable inductance improve inductive charging tolerance to misalignment and protocol variation.

A split-primary ballast transformer uses leakage inductance and cable resonance to suppress plasma ignition surges and keep power coupling stable.

Non-equal coil windings and capacitor values in a 4-coil coreless transformer improve magnetic coupling flexibility and power transfer efficiency.

A universal yoke, cradle, and two-loop antenna let one wallbox dimmer support multiple button layouts, more power devices, and broader wireless range.

Temporary wire-end locking on the carriage keeps coil turns tensioned and positioned during high-speed winding before final welding.

Cross lamination combines horizontal and vertical nanocrystalline cores to cut eddy losses, improve coupling, and reduce IPT hotspots.

A magnetic resin back member with an inner wall and cover concentrates central flux, improves coupling, and keeps the coil hollow accessible.

A resonant shielding coil with a matched capacitor boosts magnetic field strength, extends wireless power range, and avoids inverter retuning.

Charge multiple medical-device batteries wirelessly across a sterile barrier to cut disposable waste and avoid contact-based recharging.