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).

  • Patent number: 11984256
    Abstract: 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: Grant
    Filed: July 26, 2019
    Date of Patent: May 14, 2024
    Assignee: META SYSTEM S.p.A.
    Inventors: Giuseppe Simonazzi, Cesare Lasagni, Severino Bigliardi
  • Patent number: 11700715
    Abstract: 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: Grant
    Filed: July 18, 2019
    Date of Patent: July 11, 2023
    Assignee: META SYSTEM S.p.A.
    Inventors: Giuseppe Simonazzi, Cesare Lasagni
  • Patent number: 11653468
    Abstract: 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: Grant
    Filed: September 11, 2019
    Date of Patent: May 16, 2023
    Assignee: META SYSTEM S.p.A.
    Inventor: Cesare Lasagni
  • Publication number: 20220053660
    Abstract: 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: Application
    Filed: September 11, 2019
    Publication date: February 17, 2022
    Applicant: META SYSTEM S.p.A.
    Inventor: Cesare LASAGNI
  • Publication number: 20220034954
    Abstract: 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: Application
    Filed: September 11, 2019
    Publication date: February 3, 2022
    Applicant: META SYSTEM S.p.A.
    Inventor: Cesare LASAGNI
  • Publication number: 20210304957
    Abstract: 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: Application
    Filed: July 26, 2019
    Publication date: September 30, 2021
    Applicant: META SYSTEM S.p.A.
    Inventors: Giuseppe SIMONAZZI, Cesare LASAGNI, Severino BIGLIARDI
  • Publication number: 20210298209
    Abstract: 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: Application
    Filed: July 18, 2019
    Publication date: September 23, 2021
    Applicant: META SYSTEM S.p.A.
    Inventors: Giuseppe SIMONAZZI, Cesare LASAGNI
  • Publication number: 20210268910
    Abstract: 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: Application
    Filed: August 1, 2019
    Publication date: September 2, 2021
    Applicant: META SYSTEM S.p.A.
    Inventors: Giuseppe SIMONAZZI, Cesare LASAGNI, Severino BIGLIARDI
  • Patent number: 10661662
    Abstract: 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: Grant
    Filed: July 30, 2014
    Date of Patent: May 26, 2020
    Assignee: Meta System S.p.A.
    Inventor: Cesare Lasagni
  • Patent number: 10225921
    Abstract: 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: Grant
    Filed: December 12, 2013
    Date of Patent: March 5, 2019
    Assignee: META SYSTEM S.P.A.
    Inventor: Cesare Lasagni
  • Patent number: 10158239
    Abstract: 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: Grant
    Filed: March 3, 2015
    Date of Patent: December 18, 2018
    Assignee: Meta System S.p.A.
    Inventor: Cesare Lasagni
  • Publication number: 20180272879
    Abstract: 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 activatable
    Type: Application
    Filed: September 22, 2016
    Publication date: September 27, 2018
    Inventors: Cesare LASAGNI, Giuseppe SIMONAZZI
  • Patent number: 10046655
    Abstract: 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: Grant
    Filed: September 22, 2014
    Date of Patent: August 14, 2018
    Assignee: Meta System S.p.A.
    Inventor: Cesare Lasagni
  • Patent number: 10035423
    Abstract: 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 con
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: July 31, 2018
    Assignee: Meta System S.p.A.
    Inventor: Cesare Lasagni
  • Publication number: 20180054071
    Abstract: 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: Application
    Filed: March 3, 2015
    Publication date: February 22, 2018
    Inventor: Cesare LASAGNI
  • Publication number: 20160280081
    Abstract: 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 con
    Type: Application
    Filed: November 12, 2014
    Publication date: September 29, 2016
    Inventor: Cesare LASAGNI
  • Publication number: 20160243952
    Abstract: 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: Application
    Filed: September 22, 2014
    Publication date: August 25, 2016
    Inventor: Cesare LASAGNI
  • Publication number: 20160167536
    Abstract: 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: Application
    Filed: July 30, 2014
    Publication date: June 16, 2016
    Inventor: Cesare LASAGNI
  • Publication number: 20150351226
    Abstract: 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: Application
    Filed: December 12, 2013
    Publication date: December 3, 2015
    Applicant: META SYSTEM S.P.A.
    Inventor: Cesare LASAGNI
  • Publication number: 20140035528
    Abstract: 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: Application
    Filed: March 6, 2012
    Publication date: February 6, 2014
    Applicant: META SYSTEM S.P.A.
    Inventors: Giuseppe Simonazzi, Cesare Lasagni