Patents by Inventor Stephan Leuthner
Stephan Leuthner 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: 11271418Abstract: A charging method (100) for an electrical energy store (22) of a motor vehicle (20) is disclosed, including the steps of: detecting (110) the current charge state of the electrical energy store (22), detecting (120) the planned scope of use of the motor vehicle (20), ascertaining (130) the ambient temperatures present during the planned use, ascertaining (140) a target charge state of the electrical energy store as a function of the maximum possible charge state and the detected ambient temperature, producing (150) a signal as a function of the ascertained target charge state and transmitting the produced signal to the charging current regulator (28, 48) and/or an output means (17).Type: GrantFiled: November 21, 2019Date of Patent: March 8, 2022Assignee: Robert Bosch GmbHInventor: Stephan Leuthner
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Publication number: 20200169104Abstract: A charging method (100) for an electrical energy store (22) of a motor vehicle (20) is disclosed, including the steps of: detecting (110) the current charge state of the electrical energy store (22), detecting (120) the planned scope of use of the motor vehicle (20), ascertaining (130) the ambient temperatures present during the planned use, ascertaining (140) a target charge state of the electrical energy store as a function of the maximum possible charge state and the detected ambient temperature, producing (150) a signal as a function of the ascertained target charge state and transmitting the produced signal to the charging current regulator (28, 48) and/or an output means (17).Type: ApplicationFiled: November 21, 2019Publication date: May 28, 2020Inventor: Stephan Leuthner
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Patent number: 10147929Abstract: A battery cell (BZ), in particular a lithium-ion battery cell, wherein the battery cell (BZ) has a number of contact sensor elements (S) for detecting elements (N) which bear on the contact sensor elements (S) or apply pressure to the contact sensor elements (S), wherein the contact sensor elements (S) are electrically insulated from one another.Type: GrantFiled: October 7, 2016Date of Patent: December 4, 2018Assignee: Lithium Energy and Power GmbH & Co. KGInventors: Cornelius Liebenow, Stephan Leuthner
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Patent number: 9973015Abstract: A battery cell (10) with two battery cell terminals (11, 12) which are contactable from inside and/or outside the battery cell (10), and an electrochemical part (20) comprising at least one separator. Upon the achievement of a predefined temperature, the at least one separator is at least partially impermeable to ions which can be generated in the electrochemical part (20). The battery cell (10) has a rapid discharge unit (30), which is connectable between the battery cell terminals (11, 12) and which, in a switched-in and consequently activated state, has a predefined resistance value. The predefined resistance value is selected such that, with the rapid discharge unit (30) switched-in, the at least one separator achieves the predefined temperature.Type: GrantFiled: November 2, 2016Date of Patent: May 15, 2018Assignee: Lithium Energy and Power GmbH & Co. KGInventors: Hideki Masuda, Yutaro Katsumata, Marcel Wilka, Marco Friedrich, Stephan Leuthner, Cornelius Liebenow, Yuji Ashida, Shunsuke Mizutani, Daisuke Konishi, Shinya Kitano
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Patent number: 9806325Abstract: A battery housing includes an inner chamber configured to accommodate galvanic cells, in particular lithium-ion cells, which are provided with a cut-out area that can be opened in the event of failure of the cell. In order to prevent, retard and optionally at least partially extinguish a fire in the event of the failure of one or more cells, for example during an accident of an electrically operated vehicle, the inner chamber of the battery housing includes at least one dispenser for dispensing a flame-inhibiting, flame-retarding and/or flame-extinguishing agent. The dispenser has at least one dispenser opening arranged adjacent to a cut-out area of a cell and configured to be opened. The dispenser opening is configured to be opened during a mechanical shock and/or a temperature increase and/or a pressure increase above a predetermined limit value.Type: GrantFiled: April 16, 2012Date of Patent: October 31, 2017Assignees: Robert Bosch GmbH, Samsung SDI Co., Ltd.Inventors: Thomas Woehrle, Stephan Leuthner
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Publication number: 20170133872Abstract: A battery cell (10) with two battery cell terminals (11, 12) which are contactable from inside and/or outside the battery cell (10), and an electrochemical part (20) comprising at least one separator. Upon the achievement of a predefined temperature, the at least one separator is at least partially impermeable to ions which can be generated in the electrochemical part (20). The battery cell (10) has a rapid discharge unit (30), which is connectable between the battery cell terminals (11, 12) and which, in a switched-in and consequently activated state, has a predefined resistance value. The predefined resistance value is selected such that, with the rapid discharge unit (30) switched-in, the at least one separator achieves the predefined temperature.Type: ApplicationFiled: November 2, 2016Publication date: May 11, 2017Inventors: Hideki Masuda, Yutaro Katsumata, Marcel Wilka, Marco Friedrich, Stephan Leuthner, Cornelius Liebenow, Yuji Ashida, Shunsuke Mizutani, Daisuke Konishi, Shinya Kitano
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Publication number: 20170104203Abstract: A battery cell (BZ), in particular a lithium-ion battery cell, wherein the battery cell (BZ) has a number of contact sensor elements (S) for detecting elements (N) which bear on the contact sensor elements (S) or apply pressure to the contact sensor elements (S), wherein the contact sensor elements (S) are electrically insulated from one another.Type: ApplicationFiled: October 7, 2016Publication date: April 13, 2017Inventors: Cornelius Liebenow, Stephan Leuthner
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Patent number: 9276265Abstract: A lithium-ion cell includes outgoing conductor foils and collectors. The outgoing conductor foil of a negative electrode of the lithium-ion cell consists of an aluminum foil which is covered on both sides with a metal layer. The collector for the negative electrode has an aluminum workpiece, which is at least partially covered with a metal layer. The metal layers of the outgoing conductor foil and of the collector consist of copper or nickel.Type: GrantFiled: November 22, 2011Date of Patent: March 1, 2016Assignee: Robert Bosch GmbHInventors: Stephan Leuthner, Thomas Woehrle, Holger Fink, Joachim Fetzer
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Patent number: 9231418Abstract: A method is described for monitoring a charging process of a battery, in which cell voltages of a plurality of battery cells are measured at regular time intervals, and loading of the battery by a process of switching on an additional electrical load is prevented if the measured cell voltage of one battery cell exceeds a predetermined cell voltage threshold value. A motor vehicle is also described, which is configured to carry out the method according to the disclosure during a battery charging process. In addition, a battery system is described, in which a controller is configured to determine an estimated value as a function of measured battery parameters during a charging process of the battery. The estimated value corresponds to the maximum temperature in the battery if the charging process is continued without interruption.Type: GrantFiled: May 10, 2011Date of Patent: January 5, 2016Assignee: Robert Bosch GmbHInventors: Christian Kluthe, Francois Mothais, Berengar Krieg, Stephan Leuthner, Martin Lang
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Publication number: 20150362267Abstract: A high-temperature heat exchanger comprises a thermally insulated solid body formed from a high temperature resistant material with a thermal conductivity of at least 20 W/mK, at least one heater element within the solid body; and passages for fluid flow formed in the solid body. A system is also disclosed that comprises high-temperature heat exchanger in a thermo-management circuit of a battery.Type: ApplicationFiled: November 26, 2013Publication date: December 17, 2015Inventor: Stephan Leuthner
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Patent number: 9012049Abstract: A method and device is disclosed for application of a pressure to a battery which has at least one or more cells, in order to reduce adverse effects on operation which occur because of different battery states of charge. The device is designed to carry out the method such that the pressure is adjusted as a function of the respective battery volume and/or of the respective battery state of charge.Type: GrantFiled: July 8, 2010Date of Patent: April 21, 2015Assignee: Robert Bosch GmbHInventors: Joachim Fetzer, Stephan Leuthner, Holger Fink
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Patent number: 8920951Abstract: In a battery module, having a housing, at least one battery, which is disposed in the housing, at least one inlet opening for introducing a cooling fluid into the housing, and at least one outlet opening for conducting the cooling fluid out of the housing. According to the invention, compressed cooling fluid can be supplied to the at least one inlet opening using a compressor. A reduction of the cooling performance because of heating of the compressed cooling fluid is to be at least partially avoided. Furthermore, the design effort is to be low and the battery module is to be cost-effective to produce. The invention solves a problem in that the cooling fluid can be cooled by a cooling apparatus.Type: GrantFiled: January 23, 2009Date of Patent: December 30, 2014Assignee: Robert Bosch GmbHInventors: Stephan Leuthner, Philipp Kohlrausch
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Publication number: 20140174767Abstract: A method for controlling and/or preventing a fire in a vehicle air-conditioning system which contains 2,3,3,3-tetrafluoro-1-propene as a coolant includes bringing the components of the air-conditioning system containing the coolant into contact with an extinguishing agent which contains an aqueous solution or suspension of a compound containing calcium and a gelling extinguishing agent additive.Type: ApplicationFiled: June 4, 2012Publication date: June 26, 2014Applicants: SAMSUNG SDI CO., LTD., ROBERT BOSCH GmbHInventors: Thomas Woehrle, Stephan Leuthner, Rainer Kern
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Publication number: 20140170447Abstract: A battery housing includes an inner chamber configured to accommodate galvanic cells, in particular lithium-ion cells, which are provided with a cut-out area that can be opened in the event of failure of the cell. In order to prevent, retard and optionally at least partially extinguish a fire in the event of the failure of one or more cells, for example during an accident of an electrically operated vehicle, the inner chamber of the battery housing includes at least one dispenser for dispensing a flame-inhibiting, flame-retarding and/or flame-extinguishing agent. The dispenser has at least one dispenser opening arranged adjacent to a cut-out area of a cell and configured to be opened. The dispenser opening is configured to be opened during a mechanical shock and/or a temperature increase and/or a pressure increase above a predetermined limit value.Type: ApplicationFiled: April 16, 2012Publication date: June 19, 2014Applicants: Samsung SDI Co., Ltd., Robert Bosch GmbHInventors: Thomas Woehrle, Stephan Leuthner
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Publication number: 20140015453Abstract: A conductor foil for a negative electrode of a lithium-ion accumulator comprises at least one lithium-ion cell. The conductor foil comprises an aluminum foil both sides of which are covered by a metal layer consisting of copper or nickel. The disclosure further relates to a lithium-ion accumulator and to a motor vehicle comprising a lithium-ion accumulator.Type: ApplicationFiled: November 22, 2011Publication date: January 16, 2014Applicant: Samsung SDI Co., Ltd.Inventors: Stephan Leuthner, Thomas Woehrle, Holger Fink, Joachim Fetzer
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Publication number: 20140011072Abstract: A lithium-ion cell includes outgoing conductor foils and collectors. The outgoing conductor foil of a negative electrode of the lithium-ion cell consists of an aluminum foil which is covered on both sides with a metal layer. The collector for the negative electrode has an aluminum workpiece, which is at least partially covered with a metal layer. The metal layers of the outgoing conductor foil and of the collector consist of copper or nickel.Type: ApplicationFiled: November 22, 2011Publication date: January 9, 2014Applicants: Samsung SDI Co., Ltd., Robert Bosch GmbHInventors: Stephan Leuthner, Thomas Wohrle, Holger Fink, Joachim Fetzer
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Publication number: 20130323591Abstract: An accumulator cell comprises two terminals. One terminal is provided with a coating made of a metal. The metal is identical to the metal of which the second terminal consists, or each terminal is coated with a coating made of the same metal. The disclosure further relates to an accumulator and a motor vehicle with an accumulator.Type: ApplicationFiled: November 21, 2011Publication date: December 5, 2013Applicants: Samsung SDI Co. Ltd, Roberet Bosch GmbHInventors: Thomas Woehrle, Joachim Fetzer, Stephan Leuthner, Holger Fink
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Patent number: 8597811Abstract: A rechargeable battery has a plurality of rechargeable battery cells which are situated in an interspaced manner in a rechargeable battery housing filled at least partially with a filler material which encloses the rechargeable battery cells, with a first rechargeable battery cell including a first casing, and a second rechargeable battery cell including a second casing, such that the first casing and the second casing having different wall thicknesses, at least in sections.Type: GrantFiled: June 22, 2009Date of Patent: December 3, 2013Assignee: Robert Bosch GmbHInventors: Volker Doege, Stephan Leuthner, Martin Holger Koenigsmann
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Publication number: 20130266842Abstract: A lithium-ion cell includes a negative electrode, a positive electrode, and a separator arranged between the negative electrode and the positive electrode. In order to increase the mechanical stability of the separator and in the process to negatively influence the electrical power of the lithium-ion cell as little as possible, the separator includes at least one inorganic solid electrolyte layer conducting lithium ions.Type: ApplicationFiled: May 10, 2011Publication date: October 10, 2013Inventors: Thomas Woehrle, Joachim Fetzer, Stephan Leuthner
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Publication number: 20130207464Abstract: A method is described for monitoring a charging process of a battery, in which cell voltages of a plurality of battery cells are measured at regular time intervals, and loading of the battery by a process of switching on an additional electrical load is prevented if the measured cell voltage of one battery cell exceeds a predetermined cell voltage threshold value. A motor vehicle is also described, which is configured to carry out the method according to the disclosure during a battery charging process. In addition, a battery system is described, in which a controller is configured to determine an estimated value as a function of measured battery parameters during a charging process of the battery. The estimated value corresponds to the maximum temperature in the battery if the charging process is continued without interruption.Type: ApplicationFiled: May 10, 2011Publication date: August 15, 2013Applicants: SB LiMotive Germany GmbH, SB LiMotive Company LtdInventors: Christian Kluthe, Francois Mothais, Berengar Krieg, Stephan Leuthner, Martin Lang