Thermal conductive bobbin, for a magnetic power unit, made of an injectable and polymerizable thermoplastic composition having a plastic polymer in an amount of between 5% and 15% by weight with respect to the total weight of the composition, an aluminium nanoparticles dispersion in mineral oil in an amount of between 25% and 55% by weight with respect to the total weight of the composition, silicon carbide microparticles between 20% and 45% by weight with respect to the total weight of the composition; and additives up to 10% by weight with respect to the total weight of the composition, and wherein the thermal conductive bobbin has a dielectric rigidity higher than 5 kV/mm.
A surface mounting inductive coiled component for printed circuit boards is proposed. The component comprises at least one winding groove for the arrangement of at least one conductive coil to be wounded around a monolithic core (1), and several connecting interfaces (2) attached to the monolithic core (1) for connecting the at least one conductive coil to the tracks of a circuit board, wherein the monolithic core is made of an injection mouldable polymer body including magnetic charges in a proportion comprised between 70% up to 85% by weight, selected to provide magnetic inductance and assure electrical isolation between the connecting interfaces that are integrated in the monolithic core which is thermally conductive and wherein the magnetic charges include powdered magnetic charges or the magnetic charges include powdered magnetic charges and further include at least one solid sintered core (3) of magnetic material embedded in the polymer body.
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
3.
A THERMAL CONDUCTIVE COMPOUND FOR SEALING A POWER TRANSFORMER ASSEMBLY AND A POWER TRANSFORMER ASSEMBLY
A thermal conductive compound for sealing a power transformer assembly and a power transformer assembly, the thermal conductive compound having a silicone resin and fillers. The fillers at least include a first filler, or main filler, and a second filler. The first filler is a natural mineral filler including finely divided quartz, quartzite, marble, sand and/or calcium carbonate. The second filler includes a given amount of aluminium hydroxide lowering linear expansion coefficient and increasing the thermal conductivity of the silicone resin.
A liquid cooled bobbin for a wire wound magnetic device comprises an electro-insulating bobbin (20) with a first outer surface (21) of a closed contour, therearound, for supporting at least one first conductor wire winding (DX) wound around a first axis (X) defined by the electro-insulating bobbin (20), and a chamber (30) within the electro-insulating bobbin (20), the chamber being integrable to a sealed cooling circuit through connection ports (31) allowing a path of a cooling liquid through the chamber (30). The chamber (30) is comprised between two parallel walls (32, 33) of the electro-insulating bobbin (20), one of said walls (32, 33) providing the first outer surface (21), and the chamber (30) extends at least around most of said closed contour of the first outer surface (21). A liquid cooled wire wound magnetic device is also provided as well as a set of magnetic devices interconnected to a cooling circuit.
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
5.
A THERMAL CONDUCTIVE COMPOSITION, A THERMAL CONDUCTIVE POTTING FOR SEALING A MAGNETIC POWER ASSEMBLY, A POWER TRANSFORMER ASSEMBLY AND AN ELECTRICAL VEHICLE
The present invention is directed to a thermal conductive composition for sealing a power assembly, comprising a mixture including a first filler, a second filler and a silicone resin. The first filler includes sepiolite and an additional natural mineral filler, the sepiolite being in an amount of up to 1% by weight with respect to the total amount of the thermal conductive composition, and the second filler including aluminium hydroxide. Furthermore, the present invention also relates to a power transformer assembly comprising a conductive potting and to a vehicle comprising the power transformer assembly.
A waterproof switch assembly having a rigid casing with a first opening, a compressible elastomeric body attached to said casing around the first opening and defining a push button covering said first opening or attached to a push button covering said first opening, defining a hermetically sealed closed compartment within said casing; a Printed Circuit Board (PCB) housed inside the closed compartment and bearing a protruding electric switch component pushable by the push button; a protective frame, housed inside the closed compartment, surrounding the perimeter of the protruding electric switch component, and attached to the PCB through several connection legs distributed around the protruding electric switch component. The compressible elastomeric body includes protruding elements surrounding the protective frame to transmit shear forces, parallel to the PCB, from the push button to the PCB through the protective frame and connection legs without affecting the protruding electric switch component.
An ultra-low-profile low frequency antenna including a magnetic core having coil winding channels in three intersecting axial directions orthogonal to each other, defining X-axis (X), Y-axis (Y) and Z-axis (Z), receiving respective X-coil (DX), Y-coil (DY), and Z-coil (DZ). A Z-coil winding channel surrounds the magnetic core around the Z-axis (Z), providing partial grooves confined between two parallel surfaces. The thickness of the magnetic core in the Z-axis (Z) is less than 1.2 mm. Each partial groove has a width in the Z-axis (Z) equal or less than 0.4 mm and its depth in a radial direction perpendicular to the Z-axis (Z) is at least two times of its width. The Z-coil (DZ) is wound within said groove and extends radially from ⅓ to ⅔ of the groove's depth. The outer edge of the Z-coil is at the entrance of the groove.
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
H01Q 1/40 - Radiating elements coated with, or embedded in, protective material
H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
A waterproof electric push button switch assembly having a closed compartment and an electric switch housed inside the closed compartment, the electric switch having connected thereto cables coming out of the compartment which is arranged inside a casing with a cavity with two openings, a first opening hermetically sealed by a compressible elastomeric body attached to the casing, and a second opening hermetically sealed by a cover. The elastomeric body extends into the cavity of the casing providing a surface supporting the electric switch and the cover has on its inner face a tubular wall which is inserted into the cavity of the casing and contacts the elastomeric body along the perimeter. The tubular wall completely surrounds the switch and assures its waterproofness.
A thermal conductive compound for sealing a power transformer assembly and a power transformer assembly are disclosed. The thermal conductive compound comprises a silicone resin and fillers. The fillers at least include a first filler, or main filler, and a second filler. The first filler is a natural mineral filler including finely divided quartz, quartzite, marble, sand and/or calcium carbonate. The second filler includes a given amount of aluminium hydroxide lowering linear expansion coefficient and increasing the thermal conductivity of said silicone resin.
An ultra-low-profile low frequency antenna is disclosed including a magnetic core (10) having coil winding channels in three intersecting axial directions orthogonal to each other, defining X-axis (X), Y -axis (Y) and Z-axis (Z), receiving respective X-coil (DX), Y- coil (DY), and Z-coil (DZ). A Z-coil winding channel (12Z) surrounds the magnetic core (10) around the Z-axis (Z), providing partial grooves (40) confined between two parallel surfaces. The thickness of the magnetic core (10) in the Z-axis (Z) is less than 1,2 mm. Each partial groove (40) has a width in the Z-axis (Z) equal or less than 0,4 mm and its depth in a radial direction perpendicular to the Z-axis (Z) is at least two times of its width. The Z-coil (DZ) is wound within said groove (40) and extends radially from 1/3 to 2/3 of the groove's depth. The outer edge of the Z-coil is at a distance of the entrance of the groove (40).
H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
H01F 5/02 - Coils wound on non-magnetic supports, e.g. formers
H01Q 1/14 - SupportsMounting means for wire or other non-rigid radiating elements
H01Q 1/32 - Adaptation for use in or on road or rail vehicles
H01Q 1/40 - Radiating elements coated with, or embedded in, protective material
H01Q 21/29 - Combinations of different interacting antenna units for giving a desired directional characteristic
A waterproof electric switch assembly comprising a closed compartment and an electric switch (10) housed inside said closed compartment, the electric switch (10) having connected thereto cables (16) coming out of the compartment which is arranged inside a casing (11) with a cavity with two openings (11a, 11b), a first opening (11a) hermetically sealed by a compressible elastomeric body (12) attached to said casing (11), and a second opening (11b) hermetically sealed by a cover (13). The elastomeric body (12) extends into the cavity of the casing (11) providing a surface (12b) supporting the electric switch (10) and the cover (13) has on its inner face a tubular wall (18) which is inserted into the cavity of the casing (11) and contacts the elastomeric body along the perimeter, the tubular wall (18) completely surrounding the switch and assuring its waterproofness.
Inductive energy emitter/receiver for an inductive charger of an electric vehicle Inductive energy emitter/receiver including a planar-shaped magnetic core (10) with two opposed main surfaces (S); at least one conductive coil (20) wound around an axis (A) perpendicular to the main surfaces (S) of the planar-shaped magnetic core (10), said conductive coil (20) being overlapped to one of said main surfaces (S) of the magnetic core (10); an inductor casing (30) being attached to said planar-shaped magnetic core (10) and said at least one conductive coil (20). The inductor casing (30) is at least partially made of flexible polymer bonded soft magnetic material, and the planar- shaped magnetic core (10) is a made of a plurality of flexible elongated partial cores (11), forming a flexible planar-shaped magnetic core (10).
An antenna including a magnetic core (10) made of a soft-magnetic non-electro conductive material, including four corner protuberances (11) defining two orthogonal winding channels (12) around the magnetic core (10); X-winding (DX), Y-winding (DY) and Z-winding (DZ) of conductive wire orthogonal to one another wound around said magnetic core (10), wherein the antenna further comprises a first soft-magnetic sheet (21) attached superimposed on said four corner protuberances (11) of the magnetic core (10) providing a limiting edge (20) for the Z-winding (DZ), so that an increase of the sensitivity of the Z-winding (DZ) and a reduced thickness of the antenna in the Z-axis (Z) direction are obtained.
H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
H01Q 21/28 - Combinations of substantially independent non-interacting antenna units or systems
The present invention relates to a low profile triaxial antenna comprising a cross-shaped electromagnetic core (11) provided with four arms finished with front ends 13, an X-axis winding (DX) wound around two arms; a Y-axis winding (DY) wound around two arms; and a Z-axis winding (DZ) wound around a Z-axis, said Z-axis winding (DZ) surrounding the electromagnetic core and at least partially facing said front ends (13); wherein four electromagnetic core portions (12) are each at least partially arranged in a quadrant space defined between two adjacent arms and a portion of Z-axis winding (DZ) running between the front ends (13) thereof, the assembly of the cross-shaped electromagnetic core (11) and the four electromagnetic core portions (12) generating a composite electromagnetic core (10).
H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
15.
INSTALLATION AND METHOD FOR WINDING AN ELONGATED FLEXIBLE INDUCTOR
The present invention relates to an installation and method for winding an elongated flexible inductor, the proposed installation comprising a first conveyor (11) for moving the elongated flexible inductor (1) in a conveyance direction, supported on a conveyance surface (12); a retaining device (13) for fixing the flexible inductor (1) to said conveyance surface (12); winding means for winding a metallic lead wire (30) around a section of the flexible inductor (1) not supported on said conveyance surface (12), comprising at least one lead wire reel (31), a lead wire feed device (32) and a turning device (33), a holding device (20) provided for holding a portion of the already wound flexible inductor (1), being located opposite and spaced from the end of the first conveyor by a minimum predetermined distance, defining a winding area (50) susceptible to being accessed by said lead wire feed device (32); said turning device (33) causing the simultaneous turning of the first conveyor and of said holding device.
The inductor comprises a winding arranged around a core formed by at least two rigid magnetic elements (10), (11), connected in an articulated manner forming an oblong assembly, each comprising: a head end A provided with a circular convex curved surface and a tail end B provided with a circular concave curved configuration, in relation to a transverse axis of the tail, parallel to the transverse axis of the head, and the configuration being complementary to said circular convex curved configuration. The head end A is coupled to the tail end B forming an articulated attachment, and the transverse axes of the head and tail coincide in the coupling area, providing a joint having a variable, adjustable angle, wherein the assembly of said two or more rigid magnetic cores is surrounded by a flexible polymer casing (50), including magnetic charges that work together to prevent magnetic flux dispersion in the coupling gaps or interstices between the magnetic cores.
B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
B82Y 15/00 - Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
E05B 47/00 - Operating or controlling locks or other fastening devices by electric or magnetic means
E05B 81/78 - Detection of handle operationDetection of a user approaching a handleElectrical switching actions performed by handles as part of a hands-free locking or unlocking operation
E05F 15/77 - Power-operated mechanisms for wings with automatic actuation using wireless control
H01F 27/26 - Fastening parts of the core togetherFastening or mounting the core on casing or support
H01Q 1/36 - Structural form of radiating elements, e.g. cone, spiral, umbrella
17.
FLEXIBLE SOFT MAGNETIC CORE, ANTENNA WITH FLEXIBLE SOFT MAGNETIC CORE AND METHOD FOR PRODUCING A FLEXIBLE SOFT MAGNETIC CORE
The flexible soft magnetic core (1) includes parallel continuous ferromagnetic wires (4) embedded in a core body (2) made of the polymeric medium (3). The continuous ferromagnetic wires (4) extend from one end to another end of said core body (2), are spaced apart from each other and are electrically isolated from each other by the polymeric medium (3). The method for producing the flexible soft magnetic core (1) comprises embedding continuous ferromagnetic wires (4) into an uncured polymeric medium (3) by means of a continuous extrusion process, curing the polymeric medium (3) with the continuous ferromagnetic wires (4) embedded therein to form a continuous core precursor (10), and cutting said continuous core precursor (10) into discrete magnetic cores (1).
H01F 1/42 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of organic or organo-metallic materials
H01F 3/06 - Cores, yokes or armatures made from wires
H01F 27/25 - Magnetic cores made from strips or ribbons
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
patents
