Patents by Inventor Joachim Froeschl
Joachim Froeschl 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: 10647327Abstract: A method and a device for specifying an operating strategy profile for the operation of a motor vehicle, and a method and a central database device for specifying a global geo-referenced operating strategy profile with regard to a driving route are provided.Type: GrantFiled: August 17, 2018Date of Patent: May 12, 2020Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Joachim Froeschl, Martin Hattenkofer, Christian Pichler
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Publication number: 20190225072Abstract: A hybrid vehicle has an internal combustion engine, at least two electric motors, at least four wheels, a first axle and at least a second axle. Two of the wheels are associated with each axle. The internal combustion engine is provided for driving the wheels of the first axle, and the two electric motors are provided for driving respective wheels of the second axle.Type: ApplicationFiled: March 29, 2019Publication date: July 25, 2019Inventor: Joachim FROESCHL
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Patent number: 10279760Abstract: A supply rail for a vehicle includes a first busbar which is designed to provide electrical energy with a first supply voltage for supplying energy to a large number of electrical modules of the vehicle. In this case, the electrical modules of the large number of electrical modules are arranged at different points of the vehicle. The supply rail includes means for data transmission designed to allow data interchange between at least two of the large number of electrical modules. The supply rail has a large number of slots for the large number of electrical modules, wherein a first slot of the large number of slots is designed to connect a first electrical module of the large number of electrical modules to the first busbar and to the means for data transmission by way of a first plug connection. The supply rail includes a temperature-control duct which is designed to conduct a thermally conductive medium past the large number of electrical modules.Type: GrantFiled: July 27, 2017Date of Patent: May 7, 2019Assignee: Bayerische Motoren Werke AktiengesellschaftInventor: Joachim Froeschl
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Publication number: 20190054925Abstract: A method and a device for specifying an operating strategy profile for the operation of a motor vehicle, and a method and a central database device for specifying a global geo-referenced operating strategy profile with regard to a driving route are provided.Type: ApplicationFiled: August 17, 2018Publication date: February 21, 2019Inventors: Joachim FROESCHL, Martin HATTENKOFER, Christian PICHLER
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Patent number: 10033200Abstract: A device for balancing an energy accumulator, especially an energy accumulator in an on-board power supply system of a motor vehicle, is provided. The energy accumulator is formed by a cell assembly of a serial connection of a plurality of cell groups, respective balancing circuits being connected to voltage connections of respective cell groups and comprising a discharge resistor. The discharge resistor of a respective balancing circuit has a temperature-dependent resistance characteristic, and the discharge resistors of at least some of the balancing circuits are thermally intercoupled.Type: GrantFiled: March 5, 2012Date of Patent: July 24, 2018Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Alexander Mai, Joachim Froeschl
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Publication number: 20170320454Abstract: A supply rail for a vehicle includes a first busbar which is designed to provide electrical energy with a first supply voltage for supplying energy to a large number of electrical modules of the vehicle. In this case, the electrical modules of the large number of electrical modules are arranged at different points of the vehicle. The supply rail includes means for data transmission designed to allow data interchange between at least two of the large number of electrical modules. The supply rail has a large number of slots for the large number of electrical modules, wherein a first slot of the large number of slots is designed to connect a first electrical module of the large number of electrical modules to the first busbar and to the means for data transmission by way of a first plug connection. The supply rail includes a temperature-control duct which is designed to conduct a thermally conductive medium past the large number of electrical modules.Type: ApplicationFiled: July 27, 2017Publication date: November 9, 2017Inventor: Joachim FROESCHL
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Patent number: 9720388Abstract: A method is provided for controlling an electrical system. A first characteristic value of the electrical system is determined. For the first characteristic value, a suitable first group of optimizing variables is determined. A first group of command variables suitable for the first group of optimizing variables is determined. For the first group of command variables, a first group of current boundary values is determined. For each boundary value of the first group of current boundary values, a prediction is made to obtain a first group of predicted boundary values. A probability is assigned to each predicted boundary value of the first group of predicted boundary values to obtain a first group of predicted, probability-related boundary values. All boundary values of the first group of current boundary values and of the first group of predicted, probability-related boundary values are prioritized in order to obtain prioritized boundary values.Type: GrantFiled: August 14, 2014Date of Patent: August 1, 2017Assignee: Bayerische Motoren Werke AktiengesellschaftInventor: Joachim Froeschl
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Patent number: 9663048Abstract: A control unit for operating a motor vehicle includes a basic module and a function module, which is constructed in a secured run-time environment. The control unit includes predefined first and second interfaces, which each couple the basic module and the function module. The basic module is designed for determining one or more function input quantities, depending on at least one operating quantity, and for providing the function input quantities at the first interface. The basic module is further designed for determining control variables of the actuators, depending on one or more output quantities, which are provided at the second interface. The function module is designed for determining the one or more output quantities, depending on the function input quantities provided t the first interface and a predefined quantity of rules, which output quantities characterize an operating strategy from a quantity of predefined operating strategies, and for providing the output quantities at the second interface.Type: GrantFiled: December 27, 2013Date of Patent: May 30, 2017Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Christian Pichler, Joachim Froeschl, Martin Hattenkofer
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Patent number: 9500160Abstract: A motor assembly for a motor vehicle includes an internal combustion engine that has an exhaust gas purification device and a heat engine. The heat engine has at least one closed working space that is filled with a gas. The at least one closed working space includes first and second cylinders, which are each movably mounted in the longitudinal direction between initial and expansion positions. The heat engine includes at least one heating unit for heating the gas in at least one heating region of the closed working space and at least one cooling unit for cooling the gas in at least one cooling region of the closed working space. The gas heated in the heating region pushes the first piston from its initial position into its expansion position, and then flows through the overflow line into the cooling region such that the second piston is then pushed into its expansion position. The overflow line leads at least in sections through the exhaust gas purification device.Type: GrantFiled: September 4, 2015Date of Patent: November 22, 2016Assignee: Bayerische Motoren Werke AktiengesellschaftInventor: Joachim Froeschl
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Patent number: 9266439Abstract: In the case of a multi-voltage on-board power supply system for a motor vehicle having a hybrid or electric drive, comprising a dc-dc converter, by means of which a high voltage level having a higher direct-current voltage and at least a first energy storage device is connected to a low voltage level having a lower voltage and at least a second energy storage device, wherein the system comprises a charging interface for charging external devices, at least one converter phase of the dc-dc converter can be disconnected from the low voltage level and instead can be connected with the charging interface, and a third energy storage device can be connected to the charging interface in order to supply the third energy storage device with a lower voltage and permit a charging of the third energy storage device by the energy flow from the first energy storage device.Type: GrantFiled: April 17, 2012Date of Patent: February 23, 2016Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Christoph Wanke, Tomas Reiter, Joachim Froeschl
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Publication number: 20150377181Abstract: A motor assembly for a motor vehicle includes an internal combustion engine that has an exhaust gas purification device and a heat engine. The heat engine has at least one closed working space that is filled with a gas. The at least one closed working space includes first and second cylinders, which are each movably mounted in the longitudinal direction between initial and expansion positions. The heat engine includes at least one heating unit for heating the gas in at least one heating region of the closed working space and at least one cooling unit for cooling the gas in at least one cooling region of the closed working space. The gas heated in the heating region pushes the first piston from its initial position into its expansion position, and then flows through the overflow line into the cooling region such that the second piston is then pushed into its expansion position. The overflow line leads at least in sections through the exhaust gas purification device.Type: ApplicationFiled: September 4, 2015Publication date: December 31, 2015Inventor: Joachim FROESCHL
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Patent number: 9221410Abstract: A vehicle with an internal combustion engine, with a physical onboard power supply system and with at least one electrical energy source, wherein electrical consumers are integrated in the physical onboard power supply system and the physical onboard power supply system comprises a switchable terminal 15, wherein, when the terminal 15 is actuated and the internal combustion engine is switched off or when the internal combustion engine is running at a low rotational speed, each of the electrical consumers is assignable by a control device to either a first group of electrical consumers or a second group of electrical consumers, an electrical consumer of the first group is at least partly able to be switched on and off by a user, an electrical consumer of the second group cannot be switched by the user, and an electrical consumer which is switched on at least partly can be supplied with electrical power from the at least one electrical energy source.Type: GrantFiled: October 2, 2014Date of Patent: December 29, 2015Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Susanne Woitsch, Joachim Froeschl, Guido Boehm, Alfons Brunner
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Patent number: 9184624Abstract: An energy storage system supplies electric energy to consuming devices in a vehicle, particularly in a motor vehicle. The system includes a first power grid having a first energy accumulator and a second power grid having a second energy accumulator, the first and second power grids being electrically coupled such that electric energy from the first power grid is feedable to the second power grid for regenerating the second energy accumulator. The energy storage system is operatively configured such that it is detected when a number of conditions has been met, the number of conditions including at least that an external charging device is connected to the first power grid for charging the first energy accumulator. In the event that the number of conditions has been met, regeneration of the second energy accumulator is carried out.Type: GrantFiled: April 13, 2012Date of Patent: November 10, 2015Assignee: Bayerische Motoren Werke AktiengesellschaftInventor: Joachim Froeschl
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Publication number: 20150307131Abstract: What is described is a motor vehicle having a sensor unit and a control device that is set up to steer the motor vehicle along an intended trajectory on the basis of data captured by the sensor unit. The control device has an evaluation device that is set up to take captured and/or received data as a basis for identifying a vehicle with a special task and/or a vehicle traveling in the wrong direction of travel and to take account of captured and/or received data that can be associated with the identified vehicle for ascertaining and/or steering along the intended trajectory. In addition, a method for autonomously controlling a motor vehicle is described. The method involves captured and/or received data being taken as a basis for identifying a vehicle with a special task and/or a vehicle traveling in the wrong direction of travel, and captured and/or received data that can be associated with the identified vehicle are taken into account for ascertaining and steering along an intended trajectory.Type: ApplicationFiled: April 22, 2015Publication date: October 29, 2015Inventor: Joachim FROESCHL
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Patent number: 9135217Abstract: At least one weighting value is determined in a manner that is influenced by a vehicle user. A maximum released power, which a predefined electrical consumer of the motor vehicle may consume, is determined as a function of the weighting value. The power consumption of the electrical consumer is controlled as a function of the maximum power that is released.Type: GrantFiled: November 19, 2012Date of Patent: September 15, 2015Assignee: Bayerische Motoren Werke AktiengesellscahftInventors: Thomas Stauner, Roman Nagy, Joachim Froeschl, Martin Hattenkofer, Christoph Wanke
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Publication number: 20150019077Abstract: A vehicle with an internal combustion engine, with a physical onboard power supply system and with at least one electrical energy source, wherein electrical consumers are integrated in the physical onboard power supply system and the physical onboard power supply system comprises a switchable terminal 15, wherein, when the terminal 15 is actuated and the internal combustion engine is switched off or when the internal combustion engine is running at a low rotational speed, each of the electrical consumers is assignable by a control device to either a first group of electrical consumers or a second group of electrical consumers, an electrical consumer of the first group is at least partly able to be switched on and off by a user, an electrical consumer of the second group cannot be switched by the user, and an electrical consumer which is switched on at least partly can be supplied with electrical power from the at least one electrical energy source.Type: ApplicationFiled: October 2, 2014Publication date: January 15, 2015Inventors: Susanne WOITSCH, Joachim FROESCHL, Guido BOEHM, Alfons BRUNNER
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Publication number: 20140350740Abstract: A method is provided for controlling an electrical system. A first characteristic value of the electrical system is determined. For the first characteristic value, a suitable first group of optimizing variables is determined. A first group of command variables suitable for the first group of optimizing variables is determined. For the first group of command variables, a first group of current boundary values is determined. For each boundary value of the first group of current boundary values, a prediction is made to obtain a first group of predicted boundary values. A probability is assigned to each predicted boundary value of the first group of predicted boundary values to obtain a first group of predicted, probability-related boundary values. All boundary values of the first group of current boundary values and of the first group of predicted, probability-related boundary values are prioritized in order to obtain prioritized boundary values.Type: ApplicationFiled: August 14, 2014Publication date: November 27, 2014Inventor: Joachim FROESCHL
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Patent number: 8802252Abstract: A method is provided for extending the useful life of a rechargeable energy storage unit for use in a motor vehicle, such as, in particular, a double layer capacitor, a lithium ion storage unit, a lithium ion capacitor or a NiMH storage unit, which exhibits a plurality of storage cells. In order to extend the useful life of the energy storage unit, it is proposed that the temperature and/or storage capacity of each of the storage cells be measured. If the temperature of a storage cell exceeds a reference value for the temperature of the storage cell on the storage cell is partially discharged, and, in this way, its voltage is reduced.Type: GrantFiled: February 13, 2009Date of Patent: August 12, 2014Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Joachim Froeschl, Sebastian Scharner, Thomas Christ
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Publication number: 20140114498Abstract: A control unit for operating a motor vehicle includes a basic module and a function module, which is constructed in a secured run-time environment. The control unit includes predefined first and second interfaces, which each couple the basic module and the function module. The basic module is designed for determining one or more function input quantities, depending on at least one operating quantity, and for providing the function input quantities at the first interface. The basic module is further designed for determining control variables of the actuators, depending on one or more output quantities, which are provided at the second interface. The function module is designed for determining the one or more output quantities, depending on the function input quantities provided t the first interface and a predefined quantity of rules, which output quantities characterize an operating strategy from a quantity of predefined operating strategies, and for providing the output quantities at the second interface.Type: ApplicationFiled: December 27, 2013Publication date: April 24, 2014Applicant: Bayerische Motoren Werke AktiengesellschaftInventors: Christian PICHLER, Joachim FROESCHL, Martin HATTENKOFER
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Patent number: 8346431Abstract: A suitable electrical system for a motor vehicle is provided, which system requires a voltage supply during a possible towing-away operation. A voltage-supply control device recognizes the provision of an external voltage supply, in particular by way of a towing vehicle for the motor vehicle, and controls the voltage supply in the motor vehicle in such a manner that only one or more subsystems of the entire electrical system of the motor vehicle are supplied with voltage.Type: GrantFiled: January 28, 2009Date of Patent: January 1, 2013Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Joachim Froeschl, Klaus Wandel, Alexander Mai