Patents by Inventor Frank Stimm
Frank Stimm 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: 11349326Abstract: Electrical energy storage system comprising a plurality of electrochemical energy stores, which are electrically connectable to primary connection poles of the electrical energy storage system for providing a primary voltage; secondary connection poles for providing a secondary voltage, wherein the secondary connection poles are electrically connectable to an electric power source by means of secondary switches; at least one first primary switch, which is electrically connected to an electrical connection between two of the electrochemical energy stores and to an electrical connection between a first secondary switch and a first secondary connection pole, wherein the electrochemical energy stores electrically connected between the electrical connection and a second primary connection pole are electrically connectable to the first secondary connection pole of the electrical energy storage system by means of the first primary switch to provide a secondary voltage, which is lower than the primary voltage.Type: GrantFiled: June 4, 2020Date of Patent: May 31, 2022Assignee: Robert Bosch GmbHInventors: Berengar Krieg, Christoph Fischer, Frank Stimm, Regine Mantel
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Publication number: 20200389042Abstract: Electrical energy storage system comprising a plurality of electrochemical energy stores, which are electrically connectable to primary connection poles of the electrical energy storage system for providing a primary voltage; secondary connection poles for providing a secondary voltage, wherein the secondary connection poles are electrically connectable to an electric power source by means of secondary switches; at least one first primary switch, which is electrically connected to an electrical connection between two of the electrochemical energy stores and to an electrical connection between a first secondary switch and a first secondary connection pole, wherein the electrochemical energy stores electrically connected between the electrical connection and a second primary connection pole are electrically connectable to the first secondary connection pole of the electrical energy storage system by means of the first primary switch to provide a secondary voltage, which is lower than the primary voltage.Type: ApplicationFiled: June 4, 2020Publication date: December 10, 2020Inventors: Berengar Krieg, Christoph Fischer, Frank Stimm, Regine Mantel
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Patent number: 10629964Abstract: The present invention relates to a method for operating an energy storage unit having a plurality of battery cells (1) electrically connected to one another, each battery cell comprising an over-voltage protection device and a cell protection, wherein an adjacent battery cell voltage (14) on each battery cell (1) of the energy storage unit is monitored to determine whether said battery cell voltage is larger than a predetermined cell voltage minimum value (16), wherein the energy storage unit is switched off when the battery cell voltage (14) drops below the cell voltage minimum value (16). Thereby the battery cells (1) are monitored with respect to a triggering of the respective over-voltage protection devices, wherein the energy storage unit is further operated if a battery cell voltage (14) of a battery cell (1) of the energy storage unit exceeds the cell voltage minimum value (16) and the triggering of the over-voltage protection device of this battery cell (1) is thereby detected.Type: GrantFiled: April 27, 2015Date of Patent: April 21, 2020Assignee: Robert Bosch GmbHInventors: Ramanathan Swaminathan, Frank Stimm, Joerg Christoph Wilhelm
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Patent number: 10601007Abstract: The invention relates to a cooling plate (10) for battery cells (40), wherein the cooling plate (10) is in the form of a mounting plate and has mounting elements (12) for directly mounting the cooling plate (10) into a motor vehicle. It is further necessary for the cooling plate (10) together with a housing (20), in particular a half-shell housing, to form a closed-off space (30) for accommodating battery cells (40). The invention further relates to battery cells (40), to a battery cell module and also to a motor vehicle having a battery cell module of this kind.Type: GrantFiled: November 24, 2015Date of Patent: March 24, 2020Assignee: Robert Bosch GmbHInventors: Benjamin Mangold, Frank Stimm
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Patent number: 10522876Abstract: Detection of corrosion within an at least partially electrically conductive housing of an electric energy storage unit. The electric energy storage unit has a positive terminal and a resistance element between the positive terminal and the housing. State of charge values of the electric energy storage unit for at least one first instant of time and at least one second instant of time are determined. An electrical isolation resistance value between the housing of the electric energy storage unit and at least one reference point for at least one third instant of time may also be determined. A first comparison of a difference of the determined state of charge values with a predefined state of charge difference value for the electric energy storage unit and/or a second comparison of the determined electrical isolation resistance value with a predefined electrical isolation resistance value for the electric energy storage unit are performed.Type: GrantFiled: July 28, 2017Date of Patent: December 31, 2019Assignees: Robert Bosch GmbH, Lithium Energy and Power GmbH & Co. KGInventors: Bernhard Huber, Frank Stimm, Peter Kohn, Ulrich Lange
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Patent number: 10147980Abstract: The invention relates to a method for managing a battery comprising a plurality of battery cells, wherein a maximum value of a current that can be delivered by the battery is adjusted on the basis of a frequency distribution (44) of a root mean square current delivered by the battery. The invention further relates to a battery management system and a computer program for carrying out said method as well as to a motor vehicle comprising a battery which includes a battery management system of said type.Type: GrantFiled: April 27, 2015Date of Patent: December 4, 2018Assignee: Robert Bosch GmbHInventors: Frank Stimm, Andreas Lemke, Benjamin Mangold, Christian Korn, Thomas Dufaux
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Patent number: 9944195Abstract: The disclosure relates to a vehicle architecture for controlling and regulating an electric drive of an electric or hybrid vehicle, having a power electronics system which is connected firstly to the electric drive and secondly to a battery or to a battery system. A battery management system is associated with the battery or the battery system. The vehicle architecture comprises a master controller or a controller which is equipped with a master functionality into which functionalities at least of the battery management system and of the power electronics system of the electric drive are exported.Type: GrantFiled: August 1, 2014Date of Patent: April 17, 2018Assignees: Robert Bosch GmbH, Samsung SDI Co., Ltd.Inventors: Frank Stimm, Michael Steil, Alfons Doerr, Andreas Bosch
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Publication number: 20180040921Abstract: Detection of corrosion within an at least partially electrically conductive housing of an electric energy storage unit. The electric energy storage unit has a positive terminal and a resistance element between the positive terminal and the housing. State of charge values of the electric energy storage unit for at least one first instant of time and at least one second instant of time are determined. An electrical isolation resistance value between the housing of the electric energy storage unit and at least one reference point for at least one third instant of time may also be determined. A first comparison of a difference of the determined state of charge values with a predefined state of charge difference value for the electric energy storage unit and/or a second comparison of the determined electrical isolation resistance value with a predefined electrical isolation resistance value for the electric energy storage unit are performed.Type: ApplicationFiled: July 28, 2017Publication date: February 8, 2018Inventors: Bernhard Huber, Frank Stimm, Peter Kohn, Ulrich Lange
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Patent number: 9876261Abstract: A monitoring device for a battery, a lithium-ion battery with the monitoring device and a method for the monitoring of a battery, wherein the battery is provided with a plurality of cell composites comprising a number of mutually parallel-interconnected battery cells. The cell composites are also interconnected by means of electrical cell couplers, and one or more temperature sensors are arranged between the cell composites. Where a voltage drop across one or more of the battery cells on the electrical cell couplers exceeds a predetermined value and, simultaneously, a temperature occurs on at least one of the temperature sensors which exceeds a predetermined value, a fault signal is generated. The defective battery cell can then be isolated from the cell composite.Type: GrantFiled: October 21, 2015Date of Patent: January 23, 2018Assignee: Robert Bosch GmbHInventor: Frank Stimm
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Publication number: 20170346055Abstract: The invention relates to a cooling plate (10) for battery cells (40), wherein the cooling plate (10) is in the form of a mounting plate and has mounting elements (12) for directly mounting the cooling plate (10) into a motor vehicle. It is further necessary for the cooling plate (10) together with a housing (20), in particular a half-shell housing, to form a closed-off space (30) for accommodating battery cells (40). The invention further relates to battery cells (40), to a battery cell module and also to a motor vehicle having a battery cell module of this kind.Type: ApplicationFiled: November 24, 2015Publication date: November 30, 2017Inventors: Benjamin Mangold, Frank Stimm
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Publication number: 20170207498Abstract: The invention relates to a method for managing a battery comprising a plurality of battery cells, wherein a maximum value of a current that can be delivered by the battery is adjusted on the basis of a frequency distribution (44) of a root mean square current delivered by the battery. The invention further relates to a battery management system and a computer program for carrying out said method as well as to a motor vehicle comprising a battery which includes a battery management system of said type.Type: ApplicationFiled: April 27, 2015Publication date: July 20, 2017Inventors: Frank Stimm, Andreas Lemke, Benjamin Mangold, Christian Korn, Thomas Dufaux
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Publication number: 20170110768Abstract: The present invention relates to a method for operating an energy storage unit having a plurality of battery cells (1) electrically connected to one another, each battery cell comprising an over-voltage protection device and a cell protection, wherein an adjacent battery cell voltage (14) on each battery cell (1) of the energy storage unit is monitored to determine whether said battery cell voltage is larger than a predetermined cell voltage minimum value (16), wherein the energy storage unit is switched off when the battery cell voltage (14) drops below the cell voltage minimum value (16). Thereby the battery cells (1) are monitored with respect to a triggering of the respective over-voltage protection devices, wherein the energy storage unit is further operated if a battery cell voltage (14) of a battery cell (1) of the energy storage unit exceeds the cell voltage minimum value (16) and the triggering of the over-voltage protection device of this battery cell (1) is thereby detected.Type: ApplicationFiled: April 27, 2015Publication date: April 20, 2017Inventors: Ramanathan SWAMINATHAN, Frank STIMM, Joerg Christoph WILHELM
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Patent number: 9553339Abstract: A security architecture, a battery, and a motor vehicle that has a corresponding battery are configured to be used to combine battery packs of a lower security integrity level into a battery system that has a higher security integrity level. The security architecture is for at least two batteries and each battery includes at least one electrochemical cell. The at least two batteries are each combined with at least one data processing unit to form a respective module. The security architecture is configured such that input signals of at least one second module are processed by the at least one data processing unit of at least one first module.Type: GrantFiled: May 14, 2012Date of Patent: January 24, 2017Assignees: Robert Bosch GmbH, Samsung SDI Co., Ltd.Inventors: Frank Stimm, Andreas Heyl
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Publication number: 20160172635Abstract: A battery cell, preferably a lithium ion battery cell, includes a prismatic or cylindrical housing with two opposite sides. The first side of the two opposite sides of the housing is partially or completely at cathode potential. The second side of the two opposite sides of the housing is partially or completely at anode potential. One of the two opposite sides additionally has a circumferential edge protruding partially or completely from the surface, while the other of the two opposite sides has a circumferential edge that is partially or completely recessed relative to the surface. The battery cell can be easily joined to other battery cells by stacking to form battery modules, making it possible to avoid expensive connecting techniques and production processes. The battery cell is included in a battery module and a motor vehicle that has an electric drive motor and a battery system.Type: ApplicationFiled: May 22, 2014Publication date: June 16, 2016Inventors: Frank STIMM, Michael STEIL, Alfons DOERR, Andreas BOSCH
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Publication number: 20160167541Abstract: The disclosure relates to a vehicle architecture for controlling and regulating an electric drive of an electric or hybrid vehicle, having a power electronics system which is connected firstly to the electric drive and secondly to a battery or to a battery system. A battery management system is associated with the battery or the battery system. The vehicle architecture comprises a master controller or a controller which is equipped with a master functionality into which functionalities at least of the battery management system and of the power electronics system of the electric drive are exported.Type: ApplicationFiled: August 1, 2014Publication date: June 16, 2016Inventors: Frank Stimm, Michael Steil, Alfons Doerr, Andreas Bosch
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Publication number: 20160111758Abstract: A monitoring device for a battery, a lithium-ion battery with the monitoring device and a method for the monitoring of a battery, wherein the battery is provided with a plurality of cell composites comprising a number of mutually parallel-interconnected battery cells. The cell composites are also interconnected by means of electrical cell couplers, and one or more temperature sensors are arranged between the cell composites. Where a voltage drop across one or more of the battery cells on the electrical cell couplers exceeds a predetermined value and, simultaneously, a temperature occurs on at least one of the temperature sensors which exceeds a predetermined value, a fault signal is generated. The defective battery cell can then be isolated from the cell composite.Type: ApplicationFiled: October 21, 2015Publication date: April 21, 2016Inventor: Frank Stimm
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Publication number: 20150118527Abstract: A battery includes at least one galvanic cell enclosed in one cell housing in each case and a pressure-sensitive diaphragm in the cell housing. The diaphragm is configured to react to at least one discrete degree of pressure difference with at least one discrete degree of deformation. A signal encoder is positioned in the operative region of a deformation of the diaphragm. The battery has at least one electric switching element operatively connected to the signal encoder and configured to disconnect a main electric current of the battery. A motor vehicle is connected to the battery.Type: ApplicationFiled: October 24, 2013Publication date: April 30, 2015Applicants: Samsung SDI Co., Ltd., Robert Bosch GmbHInventors: Frank Stimm, Michael Steil, Alfons Doerr, Andreas Bosch
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Publication number: 20140175874Abstract: A security architecture, a battery, and a motor vehicle that has a corresponding battery are configured to be used to combine battery packs of a lower security integrity level into a battery system that has a higher security integrity level. The security architecture is for at least two batteries and each battery includes at least one electrochemical cell. The at least two batteries are each combined with at least one data processing unit to form a respective module. The security architecture is configured such that input signals of at least one second module are processed by the at least one data processing unit of at least one first module.Type: ApplicationFiled: May 14, 2012Publication date: June 26, 2014Applicants: Samsung SDI C., Ltd., Robert Bosch GmbHInventors: Frank Stimm, Andreas Heyl
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Publication number: 20140019449Abstract: The present disclosure relates to a method for providing codes which describe the state of risk (SOR) of a battery having at least one cell. The method includes determining a code SORT for the state of risk of the battery with regard to the cell temperature, and determining a code SORV for the state of risk of the battery with respect to the cell voltage. The method further includes providing the code SORT and/or the code SORV for further use.Type: ApplicationFiled: July 12, 2013Publication date: January 16, 2014Inventor: Frank Stimm