Patents by Inventor Leandro Cassarino
Leandro Cassarino 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: 11881565Abstract: A method of controlling a battery including a first control circuit and a plurality of modules arranged in series between first and second terminals. Each module includes, between third and fourth terminals, electric cells and switches and a second switch control circuit. The battery further includes at least one first data transmission bus coupling the first control circuit to each second control circuit, the first control circuit including a memory having chained lists stored therein. Each chained list includes elements each including an identifier of one of the electric cells and at least one first pointer designating another element in the chained list.Type: GrantFiled: December 24, 2018Date of Patent: January 23, 2024Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Rémy Thomas, Eric Fernandez, Sylvain Bacquet, Léandro Cassarino, Ghislain Despesse, Yan Lopez
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Patent number: 11876390Abstract: A battery with switched accumulators, including: a first cell; a plurality of second cells series-connected with the first cell, each first and second cell including: an electric accumulator series-connected with a first switch, a second switch connected in parallel with the accumulator and the first switch, and a first diode, the cathodes of the first diodes being connected to an output node, the anode of the accumulator of the first cell being connected to ground, the anode of the first diode of each second cell being coupled to the cathode of the accumulator by at least one third switch; and a control circuit capable of measuring characteristics of at least certain accumulators and of controlling the first, second, and third switches according to the characteristics.Type: GrantFiled: December 6, 2018Date of Patent: January 16, 2024Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Yan Lopez, Eric Fernandez, Sylvain Bacquet, Léandro Cassarino, Ghislain Despesse, Rémy Thomas
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Patent number: 11876389Abstract: A method of controlling a battery including a first control circuit and a plurality of modules arranged in series between first and second terminals, each module including, between third and fourth terminals, electric cells and switches and a second switch control circuit. The method includes the determination by the first control circuit of a first priority table associated with a battery charge operation and of a second priority table associated with a battery discharge operation, the first priority table including a first classification of the priorities of the electric cells for the charge operation and the second priority table comprising a second classification of the priorities of the electric cells for the discharge operation.Type: GrantFiled: December 24, 2018Date of Patent: January 16, 2024Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Rémy Thomas, Eric Fernandez, Sylvain Bacquet, Léandro Cassarino, Ghislain Despesse, Yan Lopez
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Patent number: 11811257Abstract: A method for controlling a power supply device of an electrical system, the device including at least one separate power supply assembly per phase of the electrical system, each power supply assembly including at least one battery pack defined by a state parameter and provided with at least one battery to supply a control voltage to the phase to which it is connected, taking into account at least one setpoint value. The method includes executing at least one correction block receiving as input each setpoint value and the state parameter of each battery pack of the power supply assemblies of the system, and for each power supply assembly, the correction block is configured to determine a correction value to be applied directly or indirectly to its setpoint value.Type: GrantFiled: August 19, 2019Date of Patent: November 7, 2023Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Leandro Cassarino, Sylvain Bacquet, Ghislain Despesse, Eric Fernandez, Yan Lopez, Remy Thomas
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Publication number: 20230207920Abstract: The invention relates to a battery pack type device including a first terminal (101), a second terminal (102) and a plurality of energy storage elements between these terminals, each element including: a) at least one switch for connecting it with, or to disconnect it from, one or more other element(s); b) at least one conductor (15, 17) for conducting a current, parallel to the element, when the latter is not connected with one or more other element(s); c) at least one switch (20) for establishing a short-circuit between the terminals of the battery when the latter is disconnected or supplies a zero voltage; d) a control circuit (30), specifically adapted to: select at least one first energy storage element and at least one second energy storage element, at least one of these elements being to be heated up, to make a current circulate at least from the first element to the second element when the terminals (101, 102) are short-circuited; stop the current when a setpoint temperature for one or more elemType: ApplicationFiled: December 22, 2022Publication date: June 29, 2023Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Leandro CASSARINO, Sylvain BACQUET, Ghislain DESPESSE, Eric FERNANDEZ, Yan LOPEZ, Remy THOMAS
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Publication number: 20230208153Abstract: The Invention relates to a battery pack type device including: a)—a plurality of energy storage elements in series, each associated with at least one switch to connect it in series or disconnect it and/or to short-circuit it; b)—at least one switch (20) for establishing a short-circuit between a first terminal (101) and a second terminal (102) of the battery when the latter is disconnected or supplies a zero voltage; c) a control circuit (30), specifically adapted to: select at least one first energy storage element in a first state-of-charge or at least one second energy storage element in a second state-of-charge and to make a current circulate from the first element to the second element when the first terminal (101) and the second terminal (102) of the device are short-circuited; stop the current when at least one of the parameters of the first element selected from among the charge, the voltage, the state-of-health, the temperature, the impedance has a value equal to that of the same parameter for thType: ApplicationFiled: December 22, 2022Publication date: June 29, 2023Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Leandro CASSARINO, Sylvain BACQUET, Ghislain DESPESSE, Eric FERNANDEZ, Yan LOPEZ, Remy THOMAS
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Patent number: 11658485Abstract: A method of controlling an electric system including electric cells. The method includes the steps of: a) determining a first (second) priority table including first (second) cell priority levels for a system charge (discharge) operation; b) determining the average current exchanged by each cell over a time window according to the cell implementation number in a cell connection sequence; c) determining a classification of the cell implementation numbers by increasing or decreasing order of the average current; d) assigning the implementation numbers according to the order of the classification to the cells by increasing or decreasing number of the priority levels of the first or second priority table; and e) connecting or disconnecting the cells according to the order of the assigned implementation numbers.Type: GrantFiled: June 4, 2019Date of Patent: May 23, 2023Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Ghislain Despesse, Sylvain Bacquet, Léandro Cassarino, Eric Fernandez, Yan Lopez, Rémy Thomas
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Patent number: 11581584Abstract: A battery including a first control circuit and a plurality of modules arranged in series between first and second terminals, each module including electric cells and switches coupling the cells to third and fourth terminals and a second switch control circuit. The battery includes a first data transmission bus coupling the first control circuit to each second control circuit and a second data transmission bus coupling the first control circuit to each second control circuit. The first control circuit is capable of transmitting first data to the second control circuits over the first bus at a first rate and is capable of transmitting second data to the second control circuits over the second bus at a second rate smaller than the first rate.Type: GrantFiled: December 24, 2018Date of Patent: February 14, 2023Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Eric Fernandez, Sylvain Bacquet, Léandro Cassarino, Ghislain Despesse, Yan Lopez, Rémy Thomas
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Patent number: 11532941Abstract: A method of controlling a battery including a first control circuit and a plurality of modules arranged between first and second terminals. Each module comprises electric cells. The battery further includes a sensor of the current flowing through the first terminal. The method includes the successive steps of: updating a first counter representative of the quantity of charges flowing through the first terminal; for each electric cell, for each connection of the electric cell to the other electric cells, storing into first data the value of the first counter on connection of the electric cell and for each disconnection of the electric cell from the other electric cells, storing a second counter equal to the difference between the value of the first counter on disconnection of the electric cell and the first data of said electric cell.Type: GrantFiled: January 3, 2019Date of Patent: December 20, 2022Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Rémy Thomas, Sylvain Bacquet, Léandro Cassarino, Ghislain Despesse, Eric Fernandez, Yan Lopez
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Patent number: 11509147Abstract: A method of controlling a battery including a first control circuit and a plurality of modules arranged in series between first and second terminals, each module including electric cells and switches and a second switch control circuit, the battery further including at least one first data transmission bus coupling the first control circuit to each second control circuit, the method including the transmission, by the first control circuit to the second control circuits, of first data representative of an electric cell configuration to be obtained to follow a set point for the delivery of a voltage and/or of a current between the first and second terminals, the second control circuits connecting or disconnecting the electric cells based on said first data and on a classification of the priorities of the electric cells.Type: GrantFiled: December 24, 2018Date of Patent: November 22, 2022Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Ghislain Despesse, Eric Fernandez, Sylvain Bacquet, Léandro Cassarino, Yan Lopez, Rémy Thomas
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Patent number: 11362534Abstract: A battery including: a power supply bus; an assembly of electric cells and of first switches coupling the cells; second switches forming an H bridge and coupling said assembly to nodes; a first circuit for supplying first control signals to the first and second switches; a second circuit for delivering a first power supply voltage to the first circuit based on the voltage across one of the cells; a third circuit for supplying second control signals to at least two of the second switches and connected to the power supply bus; and first diodes coupling the first circuit to the two second switches and second diodes coupling the third circuit to the two second switches.Type: GrantFiled: December 6, 2018Date of Patent: June 14, 2022Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Yan Lopez, Eric Fernandez, Sylvain Bacquet, Léandro Cassarino, Ghislain Despesse, Rémy Thomas
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Patent number: 11362526Abstract: A method of controlling a battery including a first control circuit and a plurality of modules arranged in series between a first terminal and a second terminal, each module of the plurality of modules including electric cells and switches coupling the electric cells and a second switch control circuit, the battery further including at least one first data transmission bus coupling the first control circuit to each second control circuit. The first control circuit includes a memory-having, for each electric cell, an identifier of said each electric cells and a priority level for connection of said each electric cell with other electric cells among priority levels stored therein.Type: GrantFiled: December 24, 2018Date of Patent: June 14, 2022Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Sylvain Bacquet, Eric Fernandez, Léandro Cassarino, Ghislain Despesse, Yan Lopez, Rémy Thomas
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Publication number: 20210351606Abstract: The invention concerns a method for controlling a power supply device of an electrical system, the device comprising at least one separate power supply assembly (E_1, E_2, E_3) per phase of the electrical system, each power supply assembly comprising at least one battery pack defined by a state parameter (STi) and provided with at least one battery intended to supply a control voltage to the phase to which it is connected, taking into account at least one setpoint value (Xset), the method consisting in: Executing at least one correction block (B_CORR) receiving as input each setpoint value and the state parameter (STi) of each battery pack of the power supply assemblies of the system, and, For each power supply assembly (E_1, E_2, E_3), the correction block (B_CORR) is configured to determine a correction value (Xcorr_i) to be applied directly or indirectly to its setpoint value.Type: ApplicationFiled: August 19, 2019Publication date: November 11, 2021Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Leandro CASSARINO, Sylvain BACQUET, Ghislain DESPESSE, Eric FERNANDEZ, Yan LOPEZ, Remy THOMAS
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Publication number: 20210249873Abstract: A method of controlling an electric system including electric cells. The method includes the steps of: a) determining a first (second) priority table including first (second) cell priority levels for a system charge (discharge) operation; b) determining the average current exchanged by each cell over a time window according to the cell implementation number in a cell connection sequence; c) determining a classification of the cell implementation numbers by increasing or decreasing order of the average current; d) assigning the implementation numbers according to the order of the classification to the cells by increasing or decreasing number of the priority levels of the first or second priority table; and e) connecting or disconnecting the cells according to the order of the assigned implementation numbers.Type: ApplicationFiled: June 4, 2019Publication date: August 12, 2021Applicant: Commissariat à I'Énergie Atomique et aux Énergies AlternativesInventors: Ghislain Despesse, Sylvain Bacquet, Léandro Cassarino, Eric Fernandez, Yan Lopez, Rémy Thomas
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Publication number: 20210075231Abstract: A battery with switched accumulators, including: a first cell; a plurality of second cells series-connected with the first cell, each first and second cell including: an electric accumulator series-connected with a first switch, a second switch connected in parallel with the accumulator and the first switch, and a first diode, the cathodes of the first diodes being connected to an output node, the anode of the accumulator of the first cell being connected to ground, the anode of the first diode of each second cell being coupled to the cathode of the accumulator by at least one third switch; and a control circuit capable of measuring characteristics of at least certain accumulators and of controlling the first, second, and third switches according to the characteristics.Type: ApplicationFiled: December 6, 2018Publication date: March 11, 2021Applicant: Commissariat à I'Énergie Atomique et aux Énergies AlternativesInventors: Yan Lopez, Eric Fernandez, Sylvain Bacquet, Léandro Cassarino, Ghislain Despesse, Rémy Thomas
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Publication number: 20210066699Abstract: A method of controlling a battery including a first control circuit and a plurality of modules arranged in series between first and second terminals, each module including, between third and fourth terminals, electric cells and switches and a second switch control circuit. The method includes the determination by the first control circuit of a first priority table associated with a battery charge operation and of a second priority table associated with a battery discharge operation, the first priority table including a first classification of the priorities of the electric cells for the charge operation and the second priority table comprising a second classification of the priorities of the electric cells for the discharge operation.Type: ApplicationFiled: December 24, 2018Publication date: March 4, 2021Inventors: Rémy Thomas, Eric Fernandez, Sylvain Bacquet, Léandro Cassarino, Ghislain Despesse, Yan Lopez
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Publication number: 20200373765Abstract: A method of controlling a battery including a first control circuit and a plurality of modules arranged between first and second terminals. Each module comprises electric cells. The battery further includes a sensor of the current flowing through the first terminal. The method includes the successive steps of: updating a first counter representative of the quantity of charges flowing through the first terminal; for each electric cell, for each connection of the electric cell to the other electric cells, storing into first data the value of the first counter on connection of the electric cell and for each disconnection of the electric cell from the other electric cells, storing a second counter equal to the difference between the value of the first counter on disconnection of the electric cell and the first data of said electric cell.Type: ApplicationFiled: January 3, 2019Publication date: November 26, 2020Applicant: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Rémy Thomas, Sylvain Bacquet, Léandro Cassarino, Ghislain Despesse, Eric Fernandez, Yan Lopez
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Publication number: 20200373630Abstract: A method of controlling a battery including a first control circuit and a plurality of modules arranged in series between first and second terminals. Each module includes, between third and fourth terminals, electric cells and switches and a second switch control circuit. The battery further includes at least one first data transmission bus coupling the first control circuit to each second control circuit, the first control circuit including a memory having chained lists stored therein. Each chained list includes elements each including an identifier of one of the electric cells and at least one first pointer designating another element in the chained list.Type: ApplicationFiled: December 24, 2018Publication date: November 26, 2020Applicant: Commissariat à I'Énergie Atomique et aux Énergies AlternativesInventors: Rémy Thomas, Eric Fernandez, Sylvain Bacquet, Léandro Cassarino, Ghislain Despesse, Yan Lopez
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Publication number: 20200365949Abstract: A battery including a first control circuit and a plurality of modules arranged in series between first and second terminals, each module including electric cells and switches coupling the cells to third and fourth terminals and a second switch control circuit. The battery includes a first data transmission bus coupling the first control circuit to each second control circuit and a second data transmission bus coupling the first control circuit to each second control circuit. The first control circuit is capable of transmitting first data to the second control circuits over the first bus at a first rate and is capable of transmitting second data to the second control circuits over the second bus at a second rate smaller than the first rate.Type: ApplicationFiled: December 24, 2018Publication date: November 19, 2020Applicant: Commissariat à I'Énergie Atomique et aux Énergies AlternativesInventors: Eric Fernandez, Sylvain Bacquet, Léandro Cassarino, Ghislain Despesse, Yan Lopez, Rémy Thomas
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Publication number: 20200343742Abstract: A method of controlling a battery including a first control circuit and a plurality of modules arranged in series between first and second terminals, each module including electric cells and switches coupling the cells and a second switch control circuit, the battery further including at least one first data transmission bus coupling the first control circuit to each second control circuit. The first control circuit includes a memory having, for each electric cell, an identifier of the electric cells and a priority level for the connection of the electric cell among priority levels stored therein.Type: ApplicationFiled: December 24, 2018Publication date: October 29, 2020Applicant: Commissariat à I'Énergie Atomique et aux Énergies AlternativesInventors: Sylvain BACQUET, Eric FERNANDEZ, Léandro CASSARINO, Ghislain DESPESSE, Yan LOPEZ, Rémy THOMAS