Patents by Inventor Cesare Lasagni
Cesare Lasagni 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: 11984256Abstract: A wound component having a ferromagnetic support, at least one electrically conductive winding wound around the ferromagnetic support and adapted to conduct at least one induction current, and a temperature sensor interposed between the ferromagnetic support and the winding.Type: GrantFiled: July 26, 2019Date of Patent: May 14, 2024Assignee: META SYSTEM S.p.A.Inventors: Giuseppe Simonazzi, Cesare Lasagni, Severino Bigliardi
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Patent number: 11700715Abstract: A battery charger for vehicles comprises one outer container, one electronic appliance housed inside the container, operatively connectable to an electric battery of a vehicle and configured for the recharge of the battery, and one cooling circuit of the electronic appliance, wherein the electronic appliance comprises one electronic board provided with an insulated metal substrate associated with the cooling circuit, with a layer of electrically insulating material made on one portion of the insulated metal substrate, and with one electronic circuit made on the layer of electrically insulating material, in which the electronic board comprises one conductive metal bar for the transport and the distribution of current, electrically connected to the electronic circuit and provided with one portion arranged in direct contact with one surface portion of the electronic board, for the cooling of the conductive metal bar by the cooling circuit.Type: GrantFiled: July 18, 2019Date of Patent: July 11, 2023Assignee: META SYSTEM S.p.A.Inventors: Giuseppe Simonazzi, Cesare Lasagni
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Patent number: 11653468Abstract: A high power connector comprises an electricity conductive element of substantially elongated conformation and provided with a first end portion electrically connectable to a power electronic circuit of a power electronic apparatus and with a second end portion provided with an electrical connection terminal, the conductive element being insertable inside a through opening made on the cover with said terminal facing outwards, wherein the connector comprises a locking element made of an electrically insulating material that can be coupled with the conductive element and fixable to the outer surface of the cover.Type: GrantFiled: September 11, 2019Date of Patent: May 16, 2023Assignee: META SYSTEM S.p.A.Inventor: Cesare Lasagni
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Publication number: 20220053660Abstract: A high power connector comprises an electricity conductive element of substantially elongated conformation and provided with a first end portion electrically connectable to a power electronic circuit of a power electronic apparatus and with a second end portion provided with an electrical connection terminal, the conductive element being insertable inside a through opening made on the cover with said terminal facing outwards, wherein the connector comprises a locking element made of an electrically insulating material that can be coupled with the conductive element and fixable to the outer surface of the cover.Type: ApplicationFiled: September 11, 2019Publication date: February 17, 2022Applicant: META SYSTEM S.p.A.Inventor: Cesare LASAGNI
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Publication number: 20220034954Abstract: A system for checking the electrical insulation in converters for electric cars comprises at least one voltage generator connected to at least one line to be monitored of a high-voltage converter for electric vehicles and connected to the ground of said converter, and at least one current detection unit operatively connected to said voltage generator and configured to detect any current possibly present on the voltage generator and to generate a warning signal in the event of detection of the current.Type: ApplicationFiled: September 11, 2019Publication date: February 3, 2022Applicant: META SYSTEM S.p.A.Inventor: Cesare LASAGNI
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Publication number: 20210304957Abstract: A wound component having a ferromagnetic support, at least one electrically conductive winding wound around the ferromagnetic support and adapted to conduct at least one induction current, and a temperature sensor interposed between the ferromagnetic support and the winding.Type: ApplicationFiled: July 26, 2019Publication date: September 30, 2021Applicant: META SYSTEM S.p.A.Inventors: Giuseppe SIMONAZZI, Cesare LASAGNI, Severino BIGLIARDI
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Publication number: 20210298209Abstract: A battery charger for vehicles comprises one outer container, one electronic appliance housed inside the container, operatively connectable to an electric battery of a vehicle and configured for the recharge of the battery, and one cooling circuit of the electronic appliance, wherein the electronic appliance comprises one electronic board provided with an insulated metal substrate associated with the cooling circuit, with a layer of electrically insulating material made on one portion of the insulated metal substrate, and with one electronic circuit made on the layer of electrically insulating material, in which the electronic board comprises one conductive metal bar for the transport and the distribution of current, electrically connected to the electronic circuit and provided with one portion arranged in direct contact with one surface portion of the electronic board, for the cooling of the conductive metal bar by the cooling circuit.Type: ApplicationFiled: July 18, 2019Publication date: September 23, 2021Applicant: META SYSTEM S.p.A.Inventors: Giuseppe SIMONAZZI, Cesare LASAGNI
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Publication number: 20210268910Abstract: An active discharge system for electric or hybrid motor vehicles including an active discharge circuit operatively connected in parallel to a charge circuit, which is supplied by a high voltage power source and defines an electrically-charged equivalent capacitance of an electric charge, wherein the active discharge circuit is configured to discharge the electric charge accumulated by the equivalent capacitance in the event of the high voltage power source being disconnected from the charge circuit; a control circuit/device/unit/component of the active discharge circuit which are configured to receive an activation signal, suitable to activating the active discharge circuit in case of receiving the activation signal, so as to discharge the equivalent capacitance.Type: ApplicationFiled: August 1, 2019Publication date: September 2, 2021Applicant: META SYSTEM S.p.A.Inventors: Giuseppe SIMONAZZI, Cesare LASAGNI, Severino BIGLIARDI
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Patent number: 10661662Abstract: The battery charger (1) for electric vehicles comprises a container (2), a first power unit (3) housed inside said container (2), connectable at input to an external power supply line (L) and connectable at output to a battery (B) of an electric vehicle (V), and an electronic control unit (4) housed inside the container (2) and operatively connected to the first power unit (3), and a second power unit (6) housed inside the container (2), operatively connected to the electronic control unit (4), connectable at input to at least an external power supply line (L) and connectable at output to the battery (B) of the electric vehicle (V).Type: GrantFiled: July 30, 2014Date of Patent: May 26, 2020Assignee: Meta System S.p.A.Inventor: Cesare Lasagni
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Patent number: 10225921Abstract: The procedure for the manufacture and assembly of electronic boards includes the steps of: arranging a first electronic board (2) having a first power connector (7) of substantially elongated shape; arranging a second electronic board (10) having a through opening (14) suitable for allowing the passage of the first power connector (7); arranging a third electronic board (15) including a power circuit and having a second power connector (18) which can be connected to the first power connector (7); associating the second electronic board (10) with the first electronic board (2), wherein the step of associating includes inserting the first power connector (7) through the through opening (14); associating the third electronic board (15) with the second electronic board (10), wherein the step of associating includes connecting the second power connector (18) to the first power connector (7).Type: GrantFiled: December 12, 2013Date of Patent: March 5, 2019Assignee: META SYSTEM S.P.A.Inventor: Cesare Lasagni
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Patent number: 10158239Abstract: The power supply stage (A) of an electric appliance, in particular battery chargers for charging batteries of electric vehicles or the like, comprises a power factor correction circuit (PFC), and overvoltage protection means equipped with: a switch (SW1) connected in series with a smoothing capacitor (C) of the power factor correction circuit (PFC); a control circuit (VD1) of the input voltage of the power supply stage (A) operatively connected to the switch (SW1).Type: GrantFiled: March 3, 2015Date of Patent: December 18, 2018Assignee: Meta System S.p.A.Inventor: Cesare Lasagni
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Publication number: 20180272879Abstract: The appliance (A) for recharging batteries of electric vehicles or the like comprises conversion means connectable at input to an alternating current power supply line (AC IN) and connected at output to a high-voltage electric battery (HVB) and to a low-voltage electric battery (LVB) of an electric vehicle, the conversion means being activatable for recharging the high-voltage electric battery (HVB) and the low-voltage electric battery (LVB), wherein the conversion means comprise: an input stage (FIN, LIC, PFC/STU) connectable alternatively to the alternating current power supply line (AC IN) and to the high-voltage electric battery (HVB); a first converter (CNV1) having an input connected to the input stage (FIN, LIC, PFC/STU) and an output connected to the high-voltage electric battery (HVB); a second converter (CNV2) having an input connected to the input stage (FIN, LIC, PFC/STU) and an output connected to the low-voltage electric battery; the first and second converter (CNV1, CNV2) being activatableType: ApplicationFiled: September 22, 2016Publication date: September 27, 2018Inventors: Cesare LASAGNI, Giuseppe SIMONAZZI
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Patent number: 10046655Abstract: The battery charger (C) for electric vehicles comprises a voltage converter (DC/DC CONV), a power factor correction circuit (PFC) connected upstream of the voltage converter (DC/DC CONV), a controller circuit (PFC CNTR) operatively connected to the correction circuit (PFC) and suitable for piloting the correction circuit (PFC) for the correction of the power factor in the battery charger (C), a retroaction line (L) connected to the output of the voltage converter (DC/DC CONV) and to an input of the controller circuit (PFC CNTR), wherein the controller circuit (PFC CNTR) is suitable for varying the output voltage (VPFC) of the correction circuit (PFC) within a predefined voltage interval and according to the output voltage (VDCOUT) of the voltage converter (DC/DC CONV), in order to let the voltage converter (DC/DC CONV) operate as much as possible around the point of maximum efficiency.Type: GrantFiled: September 22, 2014Date of Patent: August 14, 2018Assignee: Meta System S.p.A.Inventor: Cesare Lasagni
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Patent number: 10035423Abstract: The appliance (A) for recharging batteries of electric vehicles or the like, comprises: AC/DC conversion means which can be connected at input to an alternate current power supply line (AC IN) and connected at output to a high voltage electric battery (HVB) of an electric vehicle; DC/DC conversion means connected at input to the high voltage electric battery (HVB) and connected at output to a low voltage electric battery (LVB) of the electric vehicle; wherein the AC/DC conversion means and the DC/DC conversion means can be activated alternatively for recharging the high voltage electric battery (HVB) and the low voltage electric battery (LVB), respectively; and wherein the AC/DC conversion means and the DC/DC conversion means comprise a sole and shared DC/DC converter (CNV), having an input which can be connected alternatively to the power supply line (AC IN) and to the high voltage electric battery (HVB) and having a first output connected to the high voltage electric battery (HVB) and a second output conType: GrantFiled: November 12, 2014Date of Patent: July 31, 2018Assignee: Meta System S.p.A.Inventor: Cesare Lasagni
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Publication number: 20180054071Abstract: The power supply stage (A) of an electric appliance, in particular battery chargers for charging batteries of electric vehicles or the like, comprises a power factor correction circuit (PFC), and overvoltage protection means equipped with: a switch (SW1) connected in series with a smoothing capacitor (C) of the power factor correction circuit (PFC); a control circuit (VD1) of the input voltage of the power supply stage (A) operatively connected to the switch (SW1).Type: ApplicationFiled: March 3, 2015Publication date: February 22, 2018Inventor: Cesare LASAGNI
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Publication number: 20160280081Abstract: The appliance (A) for recharging batteries of electric vehicles or the like, comprises: AC/DC conversion means which can be connected at input to an alternate current power supply line (AC IN) and connected at output to a high voltage electric battery (HVB) of an electric vehicle; DC/DC conversion means connected at input to the high voltage electric battery (HVB) and connected at output to a low voltage electric battery (LVB) of the electric vehicle; wherein the AC/DC conversion means and the DC/DC conversion means can be activated alternatively for recharging the high voltage electric battery (HVB) and the low voltage electric battery (LVB), respectively; and wherein the AC/DC conversion means and the DC/DC conversion means comprise a sole and shared DC/DC converter (CNV), having an input which can be connected alternatively to the power supply line (AC IN) and to the high voltage electric battery (HVB) and having a first output connected to the high voltage electric battery (HVB) and a second output conType: ApplicationFiled: November 12, 2014Publication date: September 29, 2016Inventor: Cesare LASAGNI
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Publication number: 20160243952Abstract: The battery charger (C) for electric vehicles comprises a voltage converter (DC/DC CONY), a power factor correction circuit (PFC) connected upstream of the voltage converter (DC/DC CONY), a controller circuit (PFC CNTR) operatively connected to the correction circuit (PFC) and suitable for piloting the correction circuit (PFC) for the correction of the power factor in the battery charger (C), a retroaction line (L) connected to the output of the voltage converter (DC/DC CONY) and to an input of the controller circuit (PFC CNTR), wherein the controller circuit (PFC CNTR) is suitable for varying the output voltage (VPFC) of the correction circuit (PFC) within a predefined voltage interval and according to the output voltage (VDCOUT) of the voltage converter (DC/DC CONY), in order to let the voltage converter (DC/DC CONY) operate as much as possible around the point of maximum efficiency.Type: ApplicationFiled: September 22, 2014Publication date: August 25, 2016Inventor: Cesare LASAGNI
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Publication number: 20160167536Abstract: The battery charger (1) for electric vehicles comprises a container (2), a first power unit (3) housed inside said container (2), connectable at input to an external power supply line (L) and connectable at output to a battery (B) of an electric vehicle (V), and an electronic control unit (4) housed inside the container (2) and operatively connected to the first power unit (3), and a second power unit (6) housed inside the container (2), operatively connected to the electronic control unit (4), connectable at input to at least an external power supply line (L) and connectable at output to the battery (B) of the electric vehicle (V).Type: ApplicationFiled: July 30, 2014Publication date: June 16, 2016Inventor: Cesare LASAGNI
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Publication number: 20150351226Abstract: The procedure for the manufacture and assembly of electronic boards includes the steps of: arranging a first electronic board (2) having a first power connector (7) of substantially elongated shape; arranging a second electronic board (10) having a through opening (14) suitable for allowing the passage of the first power connector (7); arranging a third electronic board (15) including a power circuit and having a second power connector (18) which can be connected to the first power connector (7); associating the second electronic board (10) with the first electronic board (2), wherein the step of associating includes inserting the first power connector (7) through the through opening (14); associating the third electronic board (15) with the second electronic board (10), wherein the step of associating includes connecting the second power connector (18) to the first power connector (7).Type: ApplicationFiled: December 12, 2013Publication date: December 3, 2015Applicant: META SYSTEM S.P.A.Inventor: Cesare LASAGNI
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Publication number: 20140035528Abstract: The appliance (1) for recharging batteries of electric vehicles or the like includes: a first electric connection element (2) to an electric supply mains (3); a second electric connection element (4) to an electric vehicle (5) or the like; a power supply unit (9) associated with the first and second electric connection element (2, 4) and suitable for converting the electric energy absorbed by the supply mains (3) into electric energy deliverable to the electric vehicle (5); a checking unit (11) of the available electric power on the supply mains (3), determined according to the maximum electric power deliverable from the supply mains (3) and to the electric power absorbed by possible electric units (12) connected to the supply mains (3); a regulation unit (14) of the electric power delivered by the power supply unit to the vehicle (5) according to the available electric power.Type: ApplicationFiled: March 6, 2012Publication date: February 6, 2014Applicant: META SYSTEM S.P.A.Inventors: Giuseppe Simonazzi, Cesare Lasagni