An induction heating assembly for a vapour generating device comprises includes an induction coil and a heating compartment arranged to receive an induction heatable cartridge. A first electromagnetic shield layer is arranged outward of the induction coil and a second electromagnetic shield layer is arranged outward of the first electromagnetic shield layer. The first and second electromagnetic shield layers differ in one or both of their electrical conductivity and their magnetic permeability.

The present invention suppresses leakage magnetic field. A power transfer coil configured to transmit or receive power includes: an inner coil; a first outer coil formed so as to surround the inner coil such that a magnetic flux opposite in phase to a magnetic flux outside the inner coil is generated outside the first outer coil, the first outer coil having one end connected to a first terminal and the other end connected to one end of the inner coil; and a second outer coil formed so as to surround the inner coil such that a magnetic flux opposite in phase to the magnetic flux outside the inner coil is generated outside the second outer coil, the second outer coil having one end connected to a second terminal and the other end connected to the other end of the inner coil.

A magnetic device comprises two base portions and magnetic pillars, wherein each of the two base portions has a first surface and the two first surfaces are faced to each other, and the magnetic pillars are disposed between the two first surfaces along a first direction, wherein, in the first direction, two of the magnetic pillars located at the outermost side of the base portion are a first corner pillar and a second corner pillar respectively, n of the magnetic pillars having the same cross-sectional area and located at the center position of the base portion are n center pillars, and cross-sectional area of the magnetic pillars are gradually increased from the first corner pillar to the center pillar closest to the first corner pillar, and from the second corner pillar to the center pillar closest to the second corner pillar.

An isolated switch-mode power supply includes at least one input, at least one output, and a power circuit coupled between the at least one input and the at least one output for converting an input voltage or current to an output voltage or current. The power circuit includes a transformer having one or more primary windings, one or more secondary windings, an electrical insulator, and a core magnetically coupling the one or more primary windings and the one or more secondary windings. Upper portions of the primary and secondary windings are covered with the electrical insulator. Other example switchmode power supplies, transformers, magnetic chokes and methods are also disclosed.

A display apparatus includes a body; a display provided in the body; a processor provided in the body and configured to control the display to display an image; and a power supply including an adapter configured to be detachable from the body, and a power assembly configured to receive power from the adapter in a non-contact manner and supply the power to at least one of the display and the processor.

A magnetic component includes a first core, a second core, an outer bobbin, a first winding, an inner bobbin and a second winding. The outer bobbin is disposed between the first core and the second core. The outer bobbin has a hollow tube portion, a first bottom portion and a first top portion. The first winding is wound around outer side of the hollow tube portion. The inner bobbin is disposed in the hollow tube portion. The inner bobbin has a second bottom portion and a second top portion. The second winding is wound around the inner bobbin. The second bottom portion is exposed to bottom side of the first bottom portion, such that the first bottom portion overlaps the second bottom portion in a height direction of the magnetic component. The second top portion and the second bottom portion abut against inner side of the hollow tube portion.

The present invention provides an assembled magnetic inductor with insulating layer component, and more particularly to printing, adhesion, or spray coating an insulating layer material on a pre-press molded surface of one of two internal metal components to cause an insulating layer to form on the outer surface thereof. Hence, an insulating layer between the two metal components is dispensed with in the assembly of the combination magnetic inductance, thereby further decreasing inductance of the assembly components, as well as reducing inter-component gaps and magnetic leakage, and acoustic noise.

A combined metal powder magnetic core and an inductance device formed by same. The combined metal powder magnetic core comprises upper and lower magnet yokes and core columns arranged therebetween; wherein the upper and lower magnet yokes are respectively C-shaped, two ends of the upper and lower magnet yokes are respectively butted with the two core columns to form a magnetic loop, an air gap is arranged at the butted position between the upper and lower magnet yokes, and the interval of the central areas of the air gap is smaller than that of the marginal areas thereof.

Active electromagnetic shielding for dynamic high power wireless charging and related electrified roadway systems, method, and wireless power transmitters is disclosed. A wireless power transmitter includes a first canceling coil offset from a power transmission coil, a second canceling coil offset from the power transmission coil, and circuitry electrically connected to the first canceling coil and the second canceling coil. The circuitry is configured to deliver canceling currents to the first canceling coil and the second canceling coil to destructively interfere with portions of electromagnetic fields generated by the power transmission coil.

An inductor component comprising a base body; a coil on the base body and wound helically along an axis; and first and second external electrodes disposed on the base body and connected electrically to the coil. The base body includes a substrate having first and second main surfaces that face each other; and an insulating layer on the first main surface. The coil includes first and second coil wires respectively disposed on the first and second main surfaces and covered with the insulating layer; and first and second through wires extending through the substrate from the first main surface to the second main surface and opposite to each other with respect to the axis. The first coil wire, the first through wire, the second coil wire, and the second through wire are connected in the mentioned order, to make up at least a part of the helical.