Transformers TRIZ Cases

A physically separated coil and drive electronics layout improves wireless charging efficiency, thermal handling, and multi-device support.

By combining coil and receiver position data, the transmitter distinguishes foreign objects from misalignment to keep wireless power transfer safe and efficient.

A zero-sum three-group coil detects small-loss metal foreign matter in wireless power transfer by sensing a non-zero induced EMF sum.

A battery switch and diode keep the ignition coil powered from high- or low-voltage sources when charge is low or abnormal.

A planar multi-layer Rx coil moves terminal access to the outer edge, removing the connection bridge to cut thickness and resistance.

Dual windings and processor signal combination improve load current measurement and ground fault detection while reducing transformer error screening.

Stacked coil layers and forced airflow let multiple devices charge in varied positions while controlling heat buildup.

Nested equipotential wiring around an inductor blocks creeping discharge between 800 V and 0 V layers, improving dielectric strength.

Magnetic storage coupling replaces capacitive DC transfer circuits, enabling bidirectional power flow with fewer elements and stable voltage ratios.

Segmented retaining members and non-conductive clamps keep a Rogowski coil centered and stable on varied conductors for accurate current measurement.

Embedded high-voltage windings and spacers improve insulation strength and first-failure safety while shrinking transformer space in lithotripsy.

Separate resonant substrates let one wireless power platform match different coil characteristics without full PCB redesign or difficult capacitance tuning.

Dual inductors with distinct coupling profiles improve NFC signal detection, enabling secure card activation and clear user feedback.

Rotation-driven airflow and vent openings cool inductive power transfer coils, limiting heat rise and extending continuous operation.

Offset laminate substrates break continuous magnetic gaps, reducing flux leakage while preserving permeability, Q value, and manufacturing efficiency.

A single lead terminal placed between bobbin flanges cuts parts count while reducing thermal-stress separation and bobbin cracking.

A tapered case-side rib presses the igniter against the outer core, improving heat conduction and keeping ignition coil temperatures in range.

A hinged coil unit enables flat and upright wireless charging, while magnetic isolation and support members maintain stable multi-device alignment.

Wireless power and hollow-shaft signal transfer cut parasitic heating, noise, and radial vibration in rotating 3D display connectors.

A staggered winding layout places first and second coil ends at different radial positions, easing attachment and ignition coil assembly.

Integrated primary bars, terminals, and return conductors simplify current transformer assembly, enable more turns, and improve sealing.

Island-shaped convex portions lengthen the surface discharge path between coil and conductor, raising breakdown voltage in compact magnetic isolators.

A bifurcated flux path with a saturating region shifts magnetic resistance by current, cutting fringing losses while keeping the inductor compact.

Embedded magnetic paths between concentric windings raise and precisely set transformer leakage impedance without bulky external components.

Opposed flux in a shared three-column magnetic core replaces discrete sub-transformers, cutting size and core loss in switch power supplies.

Frequency tuning at 87-205 kHz with ferrite shielding extends wireless power transfer gaps to 15 mm while maintaining efficiency and thermal performance.

Magnetic ears and 3D flux paths cut air-gap reluctance, leakage inductance, and AC copper loss in wireless power transformers.

Intermediate relay coils and shaped magnetic materials extend wireless power transfer range while reducing heat buildup and electromagnetic interference.

A ferrite-surrounded Litz-wire coil extends wireless power transfer beyond 3-5 mm gaps by improving magnetic coupling and charging volume.

A resin bridge with a through-void enables wider adjustable core gaps while maintaining insulation between the core and bus bar.

Magnetic shunt gaps set leakage inductance without wide winding spacing, cutting proximity loss and common mode noise in compact transformers.

Residual stress control during Mn-Zn ferrite sheet firing suppresses cracks and deformation while preserving permeability and low loss.

Auxiliary coils add inductance and raise Q in wireless power transfer without extra turns, limiting resistance growth and leakage-field tradeoffs.

Separate closed magnetic circuits let dual primary windings cancel common-mode flux and improve differential-current sensing for PV arc detection.