Patents by Inventor Antonio Rojas Cuevas
Antonio Rojas Cuevas has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11949156Abstract: A long range low frequency antenna having an elongated magnetic core; a coil surrounding the elongated magnetic core; a bobbin; where the elongated magnetic core is introduced in a cavity of the bobbin; and a housing overmolded on the bobbin in a waterproof manner. The antenna also comprises at least one damper located at one extreme of the elongated magnetic core. The at least one damper is made of an elastic and thermally-stable compound having a resin and a first filler including a natural mineral filler. Therefore, longitudinal dilatations, shrinkage, mechanical shocks, and vibrations of the elongated magnetic core are absorbed by the at least one damper, avoiding an impact over an inductance variation of the coil.Type: GrantFiled: May 12, 2021Date of Patent: April 2, 2024Assignee: PREMO, S.L.Inventors: Jose Ramon Fernandez De La Fuente, Claudio Canete Cabeza, Antonio Rojas Cuevas, Francisco Ezequiel Navarro Perez
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Publication number: 20240081024Abstract: A system and a method for refrigeration and thermal conditioning of a body having a first circuit for refrigeration of the body and a second circuit for thermal conditioning of the body. The first circuit has a first reservoir for storage of a cold liquid coolant component and a first pump for pumping the cold coolant component from the first reservoir to a portion of the body, and for returning the cold coolant component to the first reservoir. The second circuit has a second reservoir for storage of a hot liquid coolant component and a second pump for pumping the hot coolant component from the second reservoir to the portion of the body, and for returning the hot coolant component to the second reservoir once the coolant has been applied, for a given time, to the portion of the body.Type: ApplicationFiled: August 16, 2023Publication date: March 7, 2024Inventors: Claudio CANETE CABEZA, Francisco Ezequiel NAVARRO PEREZ, Antonio ROJAS CUEVAS, Javier PERALES PADILLA
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Patent number: 11881638Abstract: 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 ? to ? of the groove's depth. The outer edge of the Z-coil is at the entrance of the groove.Type: GrantFiled: February 20, 2020Date of Patent: January 23, 2024Assignee: PREMO, SAInventors: Claudio Canete Cabeza, Francisco Ezequiel Navarro Perez, Jorge Rodriguez, Sergio Cobos Reyes, Antonio Rojas Cuevas
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Patent number: 11869699Abstract: Inductive energy emitter/receiver including a planar-shaped magnetic core with two opposed main surfaces is provided having at least one conductive coil wound around an axis perpendicular to the main surfaces of the planar-shaped magnetic core, said the conductive coil being overlapped to one of the main surfaces of the magnetic core; an inductor casing being attached to the planar-shaped magnetic core and at least one conductive coil. The inductor casing is at least partially made of flexible polymer bonded soft magnetic material, and the planar-shaped magnetic core is a made of a plurality of flexible elongated partial cores, forming a flexible planar shaped magnetic core.Type: GrantFiled: May 21, 2019Date of Patent: January 9, 2024Assignee: PREMO, S.A.Inventors: Claudio Canete Cabeza, Antonio Rojas Cuevas, Jorge Rodriguez Moreno, Alejandro Jimenez Villada, Francisco Ezequiel Navarro Perez
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Patent number: 11688567Abstract: 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.Type: GrantFiled: February 8, 2022Date of Patent: June 27, 2023Assignee: PREMO, SAInventors: Juan Fernandez Reina, Jose Antonio Jimenez Pavon, Antonio Rojas Cuevas, Francisco Ezequiel Navarro Perez
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Patent number: 11688536Abstract: The present invention relates to an inductor device, a method of manufacturing same and antenna. The proposed inductor device comprising a magnetic core (1), an electrically insulating support (10) with a cavity (11) arranged around said magnetic core (1), and three windings (DX, DY, DZ) of conductive wire arranged orthogonal to one another, wherein said electrically insulating support (10) is made of a single part and completely houses the magnetic core (1) which is accessible through an opening, the three windings (DX, DY, DZ) being supported on winding supporting faces (12X, 12Y and 12Z) of the electrically insulating support, confined between winding limiting edges (22) defined by lower corner protuberances (20) and centered with respect to the three orthogonal axes (X, Y, Z) such that said electrically insulating support (10) assures symmetry and orthogonality of said electromagnetic field vectors generated by the mentioned inductor device.Type: GrantFiled: February 6, 2018Date of Patent: June 27, 2023Inventors: Sergio Cobos Reyes, Antonio Rojas Cuevas, Claudio Cañete Cabeza, Francisco Ezequiel Navarro Perez
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Publication number: 20230121301Abstract: 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.Type: ApplicationFiled: October 5, 2022Publication date: April 20, 2023Inventors: Francisco Ezequiel NAVARRO PEREZ, Claudio CANETE CABEZA, Antonio ROJAS CUEVAS, Raquel RODRIGUEZ MUNIN, Miguel Angel ARIZA BAQUERO, Juan BLANCO ORTIZ, Pablo RODRIGUEZ GONZALEZ
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Patent number: 11527349Abstract: Inductor device comprising a rectangular prismatic electro-insulating support (10) with three pairs of parallel outer faces (11) defining orthogonal axis (X, Y, Z), and defining eight corners; a rectangular prismatic magnetic core (20) supported by said electro-insulating support (10); and three conductor wire windings (DX, DY, DZ) wound around the three axis (X, Y, Z) surrounding the magnetic core (20); wherein the magnetic core (20) is a hollow magnetic core (20) composed by three pairs of sheets (21), each pair of sheets (21) being composed by two parallel sheets (21) facing each other perpendicular to one of said axis (X, Y, Z), and wherein each sheet (21) is made of a magnetic material, said sheet (21) being in contact and attached to the electro-insulating support (10) and being in contact with the surrounding orthogonal sheets (21).Type: GrantFiled: November 26, 2018Date of Patent: December 13, 2022Inventors: Sergio Cobos Reyes, Claudio Cañete Cabeza, Antonio Rojas Cuevas, Jorge Rodríguez, Francisco Ezequiel Navarro Pérez
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Patent number: 11495394Abstract: The magnetic poser unit (100) comprises a magnetic core (10) including a first, a second and a third winding channels (2a, 2b, 2c) respectively arranged around a first, a second and a third crossing axis (A-A, B-B, C-C) orthogonal to each other, each of said winding channels (2a, 2b, 2c) being intended for receiving one coil wound around the magnetic core (10), each coil having at least one turn. The crossing axis (A-A, B-B, C-C) define orthogonal planes providing eight octants, each including a protrusion defining a protruding spacer (20), being spaced to each other by said winding channels (2a, 2b, 2c). The magnetic core (10) is a composed core formed by several different partial magnetic cores assembled together including two side partial magnetic cores (12), each including four protruding spacers (20). The magnetic core (10) further includes a through hole (30) housing a device for heat dissipation (50).Type: GrantFiled: November 3, 2017Date of Patent: November 8, 2022Inventors: Claudio Canete Cabeza, Antonio Rojas Cuevas, Francisco Ezequiel Navarro Perez, Marina Arcos, Patrick Fouassier, Raquel Rodriguez
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Patent number: 11476062Abstract: 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.Type: GrantFiled: April 15, 2020Date of Patent: October 18, 2022Assignee: PREMO, SAInventors: Jose Antonio Jimenez Pavon, Juan Fernandez Reina, Antonio Rojas Cuevas, Francisco Ezequiel Navarro Perez
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Publication number: 20220254581Abstract: 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.Type: ApplicationFiled: February 8, 2022Publication date: August 11, 2022Inventors: Juan FERNANDEZ REINA, Jose Antonio Jimenez Pavon, Antonio Rojas Cuevas, Francisco Ezequiei Navarro Perez
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Publication number: 20220224011Abstract: 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 ? to ? of the groove's depth. The outer edge of the Z-coil is at the entrance of the groove.Type: ApplicationFiled: February 20, 2020Publication date: July 14, 2022Inventors: Claudio CANETE CABEZA, Francisco Ezequiel NAVARRO PEREZ, Jorge RODRIGUEZ, Sergio COBOS REYES, Antonio ROJAS CUEVAS
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Patent number: 11329383Abstract: An antenna including a magnetic core made of a soft-magnetic non-electro conductive material, including four corner protuberances defining two orthogonal winding channels around the magnetic core; X-winding (DX), Y-winding (DY) and Z-winding (DZ) of conductive wire orthogonal to one another wound around the magnetic core, wherein the antenna further has a first soft magnetic sheet attached superimposed on said four corner protuberances of the magnetic core providing a limiting edge 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.Type: GrantFiled: November 8, 2018Date of Patent: May 10, 2022Assignee: PREMO, SAInventors: Claudio Canete Cabeza, Francisco Ezequiel Navarro Perez, Jorge Rodriguez, Sergio Cobos Reyes, Antonio Rojas Cuevas
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Publication number: 20220102089Abstract: A waterproof electric switch assembly comprising 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 surrounding the switch and assuring its waterproofness.Type: ApplicationFiled: April 15, 2020Publication date: March 31, 2022Inventors: Jose Antonio JIMENEZ PAVON, Juan FERNANDEZ REINA, Antonio ROJAS CUEVAS, Francisco Ezequiel NAVARRO PEREZ
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Publication number: 20210376476Abstract: A long range low frequency antenna having an elongated magnetic core; a coil surrounding the elongated magnetic core; a bobbin; where the elongated magnetic core is introduced in a cavity of the bobbin; and a housing overmolded on the bobbin in a waterproof manner. The antenna also comprises at least one damper located at one extreme of the elongated magnetic core. The at least one damper is made of an elastic and thermally-stable compound having a resin and a first filler including a natural mineral filler. Therefore, longitudinal dilatations, shrinkage, mechanical shocks, and vibrations of the elongated magnetic core are absorbed by the at least one damper, avoiding an impact over an inductance variation of the coil.Type: ApplicationFiled: May 12, 2021Publication date: December 2, 2021Inventors: Jose Ramon FERNANDEZ DE LA FUENTE, Claudio CANETE CABEZA, Antonio ROJAS CUEVAS, Francisco Ezequiel NAVARRO PEREZ
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Publication number: 20210193382Abstract: Inductive energy emitter/receiver including a planar-shaped magnetic core with two opposed main surfaces is provided having at least one conductive coil wound around an axis perpendicular to the main surfaces of the planar-shaped magnetic core, the conductive coil being overlapped to one of the main surfaces of the magnetic core; an inductor casing being attached to the planar-shaped magnetic core and at least one conductive coil. The inductor casing is at least partially made of flexible polymer bonded soft magnetic material, and the planar-shaped magnetic core is a made of a plurality of flexible elongated partial cores, forming a flexible planar-shaped magnetic core.Type: ApplicationFiled: May 21, 2019Publication date: June 24, 2021Inventors: Claudio CANETE CABEZA, Antonio ROJAS CUEVAS, Jorge RODRIGUEZ MORENO, Alejandro JIMENEZ VILLADA, Francisco Ezequiel NAVARRO PEREZ
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Patent number: 10832866Abstract: The device comprises an annular guide component (1) that defines a central space (5) for accommodating the toroidal magnetic core (4) and comprises a plurality of channels (2) for receiving parts of a wire that form turns (3) of said toroidal coil upon arrangement about the toroidal magnetic core (4), said channels (2) being arranged transversely, from end face to end face of the annular guide component (1), distributed over an interior annular wall (1i) and separated from one another in accordance with a predetermined order. The method comprises use of the device of the invention for forming a toroidal coil comprising one or more windings.Type: GrantFiled: March 31, 2015Date of Patent: November 10, 2020Inventors: Sergio Cobos Reyes, Antonio Rojas Cuevas, Juan Fernandez Reina, Juan Antonio Jimenez Pavon
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Publication number: 20200328512Abstract: An antenna including a magnetic core made of a soft-magnetic non-electro conductive material, including four corner protuberances defining two orthogonal winding channels around the magnetic core; X-winding (DX), Y-winding (DY) and Z-winding (DZ) of conductive wire orthogonal to one another wound around the magnetic core, wherein the antenna further has a first soft magnetic sheet attached superimposed on said four corner protuberances of the magnetic core providing a limiting edge 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.Type: ApplicationFiled: November 8, 2018Publication date: October 15, 2020Inventors: Claudio CANETE CABEZA, Francisco Ezequiel NAVARRO PEREZ, Jorge RODRIGUEZ, Sergio COBOS REYES, Antonio ROJAS CUEVAS
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Patent number: 10707565Abstract: The antenna comprises a magnetic core (2), three windings (31, 32, 33) wound around the magnetic core (2) and an electrically insulated base (1) on which the magnetic core (2) wound with these windings (31,32,33) is arranged. The insulated base (1) includes metallic tabs (121 . . . 128) electrically connected to said windings (31, 32, 33) and the base (1) has a bottom surface with electrically conductive plates (131 . . . 138) with connection to the metallic tabs (121 . . . 128) and providing a layout for a SMT mounting, The antenna comprises an electrically insulated cap (4), having an upper surface (4U) including a metallized surface high frequency coil (42) working as a HF antenna and a side surface (4S), two ends (411, 412) of the coil (42) being arranged on the side surface (4S) for connection to the metallic tabs (121 . . . 128) of the electrically insulated base (1).Type: GrantFiled: November 3, 2016Date of Patent: July 7, 2020Assignee: PREMO, SAInventors: Francisco Ezequiel Navarro Pérez, Antonio Rojas Cuevas, Sergio Cobos Reyes
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Patent number: 10637144Abstract: 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) miming 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).Type: GrantFiled: May 16, 2018Date of Patent: April 28, 2020Assignee: PREMO, S.A.Inventors: Marina Arcos, Miguel Ángel Ariza Baquero, Jorge Rodríguez, Antonio Rojas Cuevas, Francisco Ezequiel Navarro Pérez, Claudio Cañete Cabeza