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Matches 1 - 50 out of 25,397

Document Document Title
WO/2018/131944A1
The present invention relates to a coil device and a wireless power transmission/reception device comprising same. The coil device, according to one embodiment, may comprise: a first coil arranged on a first layer; and a second coil whic...  
WO/2018/132190A1
A system for transferring electric power is provided. A power supply conductor conducts a power supply current that generates a first resultant magnetic field. An electric motor has a power input terminal connected to the power supply co...  
WO/2018/132117A1
An integrated mobile phone case and charger for providing both a protective casing for a mobile device which includes an integrated solar cell for charging the battery of the mobile device therein comprises a case body defined by a front...  
WO/2018/129462A1
The various embodiments described herein include methods, devices, and systems for wireless power transmission. In one aspect, a wireless charging system includes: (1) two antennas configured to direct electromagnetic waves toward a wire...  
WO/2018/128150A1
[Problem] To provide a reactance-type current limiter with high reliability and having a simple device configuration. [Solution] This current limiter is provided with a magnetic core 11A, and a coil 12 wound around the magnetic core 11A,...  
WO/2018/128149A1
[Problem] To provide a core that can be widely applied, e.g., in a reactor, current limiter, electromagnetic actuator, motor, etc. [Solution] The magnetic characteristics of this core 11 are such that, in a first quadrant of a graph with...  
WO/2018/122152A1
A pressure compensator (1) of a subsea installation (2), wherein the subsea installation (2) comprises a tank (3) comprising an insulation fluid (4) or other fluid. The pressure compensator (1) is in fluid communication with the tank (3)...  
WO/2018/118385A1
Systems and methods are described that increase pad efficiency and robustness. These systems and methods balance magnetic flux density in ferrite strips in a WEVC pad to reduce heat produced in high-flux areas of the ferrite strips. Aspe...  
WO/2018/116679A1
This heat-resistant element for current detection is provided with a heat-resistant substrate (10) including a ceramic material, one or more power lines (20) embedded in the heat-resistant substrate (10), and a coil structure (30) for de...  
WO/2018/113954A1
A combined instrument transformer for HV applications which comprises a current instrument transformer CT, having a current transformer core and a current transformer primary duct fitted into said current transformer core, and a voltage ...  
WO/2018/118386A1
Systems and methods are described that reduce magnetic flux density proximate to a wireless charging pad, such as a WEVC pad. These systems and methods control peak magnetic flux density in air around a WEVC pad to reduce potentially dan...  
WO/2018/117404A1
A headset capable of wireless charging is provided. The headset capable of wireless charging according to one embodiment of the present invention comprises: a pair of body units including a housing equipped with a speaker and a cushion u...  
WO/2018/117332A1
The present invention relates to a wireless power transmission structure of a port RTGC comprising a modular current collection device and is characterized in that a power supply coil which is a coreless power supply line for power trans...  
WO/2018/115105A1
The invention relates secondary-sided arrangement (3) of at least one secondary winding structure (W), wherein the secondary-sided arrangement (3) comprises at least one phase line and one secondary winding structure (W) per phase line, ...  
WO/2018/117119A1
The coil-to-coil distance for maximum efficiency is determined by the size of a coil. However, in the prior art, the coil size is fixed and the amount of received power would be maximized simply by power control for multiple coils, so it...  
WO/2018/111416A1
A charging pad (130) for charging one or more receiver devices (106, 108) is disclosed. The charging pad (130) includes a power drive unit (110) configured to generate a first AC voltage signal having a first frequency and a second AC vo...  
WO/2018/105167A1
This coil unit is provided with: a coil conductive wire formed of a plurality of element wires; and a coil base having a groove section configured to hold the coil conductive wire. The coil conductive wire has a diameter of 3-6 mm. The g...  
WO/2018/099153A1
A current transformer, which has the characteristic of manganese-copper shunts of being low cost, while also having a transformer-like separation of a current loop and a voltage loop, thus being beneficial in greatly reducing the volume ...  
WO/2018/102365A1
In this invention we introduce the concept of energy injection in a resonant circuit with initial conditions which is part of almost all of the present topologies. The patent will present in details several methods of energy injection in...  
WO/2018/102578A1
An electric device comprises a core having a center section and two outer sections, a high current winding, and a low current winding. The high current winding includes a plurality of half-turn coils connected in parallel between a first...  
WO/2018/100975A1
A combined coil module is provided with a first flat coil, a second flat coil, and a magnetic sheet in which a magnetic circuit of the first flat coil and a magnetic circuit of the second flat coil are formed. The first flat coil is used...  
WO/2018/095846A1
The invention relates to an inductive component (100), having a planar ferrite core (110) and a hybrid double-D solenoid coil (150), which is arranged over the planar ferrite core (110) and has a plurality of windings (160). The pluralit...  
WO/2018/097739A1
A magnetic structure for wireless power transfer has a plurality of pieces of magnetically permeable material arranged along a first dimension. Each piece is separated from a neighbouring piece by a gap defining a separation distance whi...  
WO/2018/091191A1
The invention relates to a screening of magnetic fields during inductive energy transmission. For this purpose, a secondary coil (2) is provided, which can be inductively coupled to a primary coil (5) of the inductive energy transmission...  
WO/2018/091098A1
The invention relates to an isolation transformer which is particularly suited for use in an energy transfer device and reduces unwanted resonances. The isolation transformer has an input winding, an output winding and a third winding, a...  
WO/2018/092192A1
A non-contact power supply connection unit (1J) includes: a power supply-side coil (2) that is provided with a power supply-side core (21) and a power supply-side winding wire (27); a power reception-side coil (4) that is provided with a...  
WO/2018/087431A1
A sensor charging case (10) having multiple receptacles for multiple sensors. One receptacle (13) is for charging while the other receptacles (14) are for holding additional sensors. The receptacles can be arranged to hold the sensors re...  
WO/2018/089313A1
A transformer structure is disclosed to reduce common mode noise on an output load. The transformer structure includes a bobbin mounted on a magnetic core, a plurality of windings wound around the bobbin. The plurality of windings includ...  
WO/2018/083736A1
Provided are a portable electronic device having a configuration which can be advantageously reduced in size, and a wireless electric power transmission device provided with said portable electronic device. A portable electronic device 8...  
WO/2018/083039A1
An operating device for a vehicle component, in particular a human-machine interface (HMI) for vehicles is provided with a housing (10), which has a front wall that has a front face in particular with a display surface and a rear face fa...  
WO/2018/077580A1
The invention relates to a protection device for an inductive energy transmission system. A screen is provided between the primary coil and the secondary coil for inductive energy transmission, said screen being permeable to the magnetic...  
WO/2018/078207A1
The present invention relates to a current sensing modular system, which allows sensing the phase current and/or the ground-fault or zero-sequence current, having to that end at least a first module (7) comprising at least one phase curr...  
WO/2018/080049A1
The present invention relates to a wireless power transmitter and receiver and a method for producing same. The wireless power transmitter according to an embodiment of the present invention may comprise: a plurality of coils for transmi...  
WO/2018/074803A1
A wireless power transmission device, according to the present embodiment, comprises: a substrate; a first coil formed on the substrate; and a second coil formed so as to correspond to the first coil, wherein the first coil and the secon...  
WO/2018/075816A1
Improved devices, apparatuses, systems, and methods involving the use of field probes with voltage-controlled variable impedance elements and surface-launched acoustic wave devices, including surface acoustic wave (SAW) devices and SAW s...  
WO/2018/068963A1
The invention relates to a method for producing a printed circuit board power converter, comprising the steps of: raising a printed circuit board (1) with openings (2) and an integrated conductor track (3) so that they are aligned perpen...  
WO/2018/069962A1
This ignition coil has: a center core (30); a primary coil (10) wound around the center core (30); a secondary coil (20) wound around the primary coil (10); a plurality of side cores (50) disposed around the secondary coil (20) and conne...  
WO/2018/071200A1
An ignition coil includes a low voltage terminal for connection with a battery and a high voltage terminal for connection with a spark plug. An assembly of windings interconnects the terminals. The ignition coil further includes a case c...  
WO/2018/069136A1
The invention relates to a device for contactless inductive energy transmission from a primary part (1) to a secondary part (1'), each having at least one coil (10, 10') which can be inductively coupled to one another over an air gap (6)...  
WO/2018/070614A1
The present invention relates to a wireless power transmission device formed so as to wirelessly transmit power to a wireless power reception device, wherein the wireless power transmission device comprises: a first coil formed so as to ...  
WO/2018/066894A1
Provided is a wireless power transmitting antenna core. In the wireless power transmitting antenna core according to an exemplary embodiment of the present invention, a conductive member functioning as an antenna for transmitting or rece...  
WO/2018/065184A1
The invention relates to an ignition apparatus (1) for an internal combustion engine, comprising a spark plug (4); a ignition coil (3) with a voltage connection (5); and a spring (2) for electrically connecting the spark plug (4) to the ...  
WO/2018/065451A1
The invention relates to a coil unit (1) for inductively charging a vehicle, comprising a coil (3), wherein the coil (3) comprises multiple windings of at least two electric lines (5, 7). The electric lines (5, 7) are connected in parall...  
WO/2018/066789A1
A resonator for transmitting power in a resonance mode, according to an embodiment of the present invention, comprises: a first coil in which a wire group consisting of three wires arranged side by side is formed so as to extend alternat...  
WO/2018/062118A1
[Problem] There was a problem of it being difficult to have a large voltage that can be applied to a coil, and not being able to have a large amount of electric energy for which power transmission is possible using a wireless power suppl...  
WO/2018/064518A1
Various examples are provided for power amplifiers for coil array systems, which include load-independent Class E power amplifiers. In one example, a wireless charging system includes a three-dimensional (3D) coil array; and control circ...  
WO/2018/063615A1
A wireless power transfer device and method including a first coil of wire having a first winding to receive electrical current and emit a first electromagnetic field, a second coil of wire having a second winding to receive electrical c...  
WO/2018/062117A1
[Problem] The number of coils connected in series cannot be increased, and the amount of electric power that can be transmitted using a wireless power feeding device cannot be increased. [Solution] A contactless power feeding coil unit a...  
WO/2018/061118A1
This ignition coil has: a center core (30); a primary coil (10) wound around the center core (30); a secondary coil (20) wound around the primary coil (10); a side core (70) disposed around the secondary coil (20) and joined to the cente...  
WO/2018/055664A1
Provided is a three-phase through-type current transformer with which an induction current can be suppressed. The three-phase through-type current transformer comprises three through-type current transformers 10a to 10c that are containe...  

Matches 1 - 50 out of 25,397