Patents by Inventor Werner Schiemann
Werner Schiemann 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: 11916410Abstract: A battery system for a motor vehicle. The battery system includes an actuating unit, a main control unit, multiple sub-control units, and multiple battery cells. The actuating unit is in signal communication with the sub-control units for data acquisition from the sub-control units. Each sub-control unit is in signal communication with a battery cell for data acquisition from the assigned battery cell. The main control unit is electrically connected to the sub-control units supplying power to the sub-control units. A method for operating a battery system is also described.Type: GrantFiled: September 20, 2019Date of Patent: February 27, 2024Assignee: ROBERT BOSCH GMBHInventors: Werner Schiemann, Joachim Joos
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Publication number: 20210336453Abstract: A battery system for a motor vehicle. The battery system includes an actuating unit, a main control unit, multiple sub-control units, and multiple battery cells. The actuating unit is in signal communication with the sub-control units for data acquisition from the sub-control units. Each sub-control unit is in signal communication with a battery cell for data acquisition from the assigned battery cell. The main control unit is electrically connected to the sub-control units supplying power to the sub-control units. A method for operating a battery system is also described.Type: ApplicationFiled: September 20, 2019Publication date: October 28, 2021Inventors: Werner Schiemann, Joachim Joos
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Publication number: 20210291765Abstract: A method for configuring a vehicle electrical system of a motor vehicle, at least one consumer being provided in the vehicle electrical system. Within the scope of the configuration of the vehicle electrical system, at least one of the at least one consumer is assigned an electrical module, which in turn is selected from a group of modules. A first consumer criterion, which refers to a supply requirement of the at least one consumer, and a second consumer criterion, which refers to a degree of feedback of the at least one consumer, are taken into consideration in the selection of the electrical module.Type: ApplicationFiled: March 15, 2021Publication date: September 23, 2021Inventors: Nils Draese, Matthias Zabka, Georg Schill, Werner Schiemann, Sebastian Kaspar, Daniel Rabl
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Patent number: 10923902Abstract: The invention relates to a fuse system for at least one load of a vehicle, the fuse system having a fuse apparatus that has at least one electronic fuse for the at least one load and an evaluation and control circuit that evaluates a load current through the at least one electronic fuse and compares the load current with at least one prescribed disconnection criterion of a first parameter set, wherein the evaluation and control circuit initiates a trip process that trips the at least one electronic fuse and disconnects the load current to the corresponding load if the at least one prescribed disconnection criterion is satisfied.Type: GrantFiled: April 7, 2017Date of Patent: February 16, 2021Assignee: Robert Bosch GmbHInventors: Werner Schiemann, Thomas Lang
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Patent number: 10651515Abstract: A battery sensor data transmission unit is described as including a data transmission unit, which is designed to output a sensor signal, which represents a physical variable in or at the battery cell to an evaluation device, using a battery housing wall and/or a wall of a battery cell as the transmission medium.Type: GrantFiled: January 23, 2013Date of Patent: May 12, 2020Assignee: ROBERT BOSCH GMBHInventors: Fabian Henrici, Axel Wenzler, Werner Schiemann, Reiner Schnitzer, Berthold Elbracht
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Patent number: 10527655Abstract: An overload monitoring device for an electrical system including a measuring device for current and/or voltage, a time measuring device and an evaluation device connected to the measuring device and the time measuring device being provided, the evaluation device being designed for generating parameters from measured values of the measuring device and/or for detecting an overload situation based on the measured values and/or the parameters using time data of the time measuring device. A method for overload monitoring of an electrical system is also described, measured values being determined for a current and/or a voltage of the electrical system; time data being determined; parameters based on the measured values being generated; and an overload situation being detected based on the measured values and/or the parameters using the time data.Type: GrantFiled: November 27, 2014Date of Patent: January 7, 2020Assignee: Robert Bosch GmbHInventors: Werner Schiemann, Ralph Weinmann, Joachim Joos
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Patent number: 10490994Abstract: A device for current sensing of a power transistor system having a power transistor, a first series circuit which includes a first transistor and a first resistance, the first resistance disposed in a load circuit of the first transistor, a second series circuit which has a second transistor and a second resistance disposed in a load circuit of the second transistor, the first series circuit, the second series circuit and the power transistor situated in parallel with one another, the first resistance connected to the first transistor in an electrically conductive manner when the first transistor is switched on, and the second resistance connected to the second transistor in an electrically conductive manner when the second transistor is switched on, and a gate terminal of the first transistor is connected in an electrically conductive manner to a gate terminal of the power transistor when the power transistor is switched on.Type: GrantFiled: April 24, 2015Date of Patent: November 26, 2019Assignee: Robert Bosch GmbHInventors: Thomas Jacke, Werner Schiemann
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Publication number: 20190140438Abstract: The invention relates to a fuse system (1) for at least one load (V1, V2, Vn) of a vehicle, having a fuse apparatus (10) that comprises at least one electronic fuse (S1, S2, Sn) for the at least one load (V1, V2, Vn) and an evaluation and control circuit (12) that evaluates the load current (iL1, iL2, iLn) through the at least one electronic fuse (S1, S2, Sn) and compares said load current with at least one prescribed disconnection criterion of a first parameter set (P1), wherein the evaluation and control circuit (12) initiates a trip process that trips the at least one electronic fuse (S1, S2, Sn) and disconnects the load current (iL1, iL2, iLn) to the corresponding load (V1, V2, Vn) if the at least one prescribed disconnection criterion is satisfied.Type: ApplicationFiled: April 7, 2017Publication date: May 9, 2019Inventors: Werner SCHIEMANN, Thomas LANG
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Patent number: 9720048Abstract: A battery sensor data transmission unit is described as including a connection state ascertainment unit for ascertaining a series connection state in which a battery cell is connected in series to one other battery cell with the aid of a power transmission line and/or for determining a bypassing state in which at least one pole of the battery cell is decoupled from at least one other battery cell. Furthermore, the battery sensor data transmission unit includes a data transmission unit designed for outputting a sensor signal, which represents a physical variable in or at the battery cell, in the series connection state to an evaluation device using the power transmission line and/or outputting the sensor signal in the bypassing state to the evaluation device using a battery housing wall as the transmission medium.Type: GrantFiled: January 24, 2013Date of Patent: August 1, 2017Assignee: Robert Bosch GmbHInventors: Fabian Henrici, Axel Wenzler, Werner Schiemann, Reiner Schnitzer, Berthold Elbracht
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Patent number: 9712157Abstract: A control for an electrical consumer includes a first switching device for connecting an output for the consumer to a first potential, a second switching device for connecting the output to a second potential, a control device for activating the switching devices, a first scanning device for providing a first signal as a function of a switching state of the first switching device, a second scanning device for providing a second signal as a function of a switching state of the second switching device, and a comparator device for determining a difference in the switch-on times of the switching devices on the basis of the determined signals.Type: GrantFiled: March 11, 2014Date of Patent: July 18, 2017Assignee: Robert Bosch GmbHInventors: Joachim Joos, Werner Schiemann, Martin Haug
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Patent number: 9667135Abstract: A multiphase DC voltage converter and a method for controlling a multiphase DC voltage converter, having at least two parallel coils which are controlled in a time-shifted manner, at least one control unit for activating the coils, and at least one magnetically sensitive sensor element for detecting a magnetic field generated by the current flow through the coils. The control unit controls the current flow through the coils as a function of an output signal of the at least one sensor element.Type: GrantFiled: November 24, 2010Date of Patent: May 30, 2017Assignee: ROBERT BOSCH GMBHInventors: Rasmus Rettig, Werner Schiemann, Franziska Kalb
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Publication number: 20170110870Abstract: A device for current sensing of a power transistor system having a power transistor, a first series circuit which includes a first transistor and a first resistance, the first resistance disposed in a load circuit of the first transistor, a second series circuit which has a second transistor and a second resistance disposed in a load circuit of the second transistor, the first series circuit, the second series circuit and the power transistor situated in parallel with one another, the first resistance connected to the first transistor in an electrically conductive manner when the first transistor is switched on, and the second resistance connected to the second transistor in an electrically conductive manner when the second transistor is switched on, and a gate terminal of the first transistor is connected in an electrically conductive manner to a gate terminal of the power transistor when the power transistor is switched on.Type: ApplicationFiled: April 24, 2015Publication date: April 20, 2017Inventors: Thomas Jacke, Werner Schiemann
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Publication number: 20160356827Abstract: An overload monitoring device for an electrical system including a measuring device for current and/or voltage, a time measuring device and an evaluation device connected to the measuring device and the time measuring device being provided, the evaluation device being designed for generating parameters from measured values of the measuring device and/or for detecting an overload situation based on the measured values and/or the parameters using time data of the time measuring device. A method for overload monitoring of an electrical system is also described, measured values being determined for a current and/or a voltage of the electrical system; time data being determined; parameters based on the measured values being generated; and an overload situation being detected based on the measured values and/or the parameters using the time data.Type: ApplicationFiled: November 27, 2014Publication date: December 8, 2016Inventors: Werner SCHIEMANN, Ralph WEINMANN, Joachim JOOS
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Patent number: 9429130Abstract: A method for maintaining a predetermined voltage in a battery-supported vehicle electrical system during the operation of an electrical starter includes steps of operating the electrical starter on the vehicle electrical system during a first time phase in series with a limiting resistor, in order to limit the current flowing through the starter, and operating the electrical starter on the vehicle electrical system during a second time phase with a reduced limiting resistance, in order to increase a power converted by the starter. A transition from the first time phase to the second time phase is controlled on the basis of electrical parameters sampled during the first time phase at the limiting resistor.Type: GrantFiled: September 9, 2011Date of Patent: August 30, 2016Assignee: ROBERT BOSCH GMBHInventors: Rasmus Rettig, Werner Schiemann
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Publication number: 20160126946Abstract: A control for an electrical consumer includes a first switching device for connecting an output for the consumer to a first potential, a second switching device for connecting the output to a second potential, a control device for activating the switching devices, a first scanning device for providing a first signal as a function of a switching state of the first switching device, a second scanning device for providing a second signal as a function of a switching state of the second switching device, and a comparator device for determining a difference in the switch-on times of the switching devices on the basis of the determined signals.Type: ApplicationFiled: March 11, 2014Publication date: May 5, 2016Inventors: Joachim JOOS, Werner SCHIEMANN, Martin HAUG
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Patent number: 9083269Abstract: A method and a circuit system for operating an electric machine are presented. The method is carried out in particular in a starting phase, a current being limited using a controllable resistor, the controllable resistor being implemented by at least one semiconductor switch, which is controlled using a clocked signal, and the signal being set in such a way that in shutdown phases, the at least one semiconductor switch is not completely shut down.Type: GrantFiled: August 10, 2011Date of Patent: July 14, 2015Assignee: ROBERT BOSCH GMBHInventors: Marc Eschenhagen, Rasmus Rettig, Franziska Kalb, Michael Merkle, Werner Schiemann, Joachim Joos
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Publication number: 20150017498Abstract: A battery sensor data transmission unit is described as including a connection state ascertainment unit for ascertaining a series connection state in which a battery cell is connected in series to one other battery cell with the aid of a power transmission line and/or for determining a bypassing state in which at least one pole of the battery cell is decoupled from at least one other battery cell. Furthermore, the battery sensor data transmission unit includes a data transmission unit designed for outputting a sensor signal, which represents a physical variable in or at the battery cell, in the series connection state to an evaluation device using the power transmission line and/or outputting the sensor signal in the bypassing state to the evaluation device using a battery housing wall as the transmission medium.Type: ApplicationFiled: January 24, 2013Publication date: January 15, 2015Applicant: Robert Bosch GmbHInventors: Fabian Henrici, Axel Wenzler, Werner Schiemann, Reiner Schnitzer, Berthold Elbracht
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Publication number: 20150010790Abstract: A battery sensor data transmission unit is described as including a data transmission unit, which is designed to output a sensor signal, which represents a physical variable in or at the battery cell to an evaluation device, using a battery housing wall and/or a wall of a battery cell as the transmission medium.Type: ApplicationFiled: January 23, 2013Publication date: January 8, 2015Applicant: ROBERT BOSCH GMBHInventors: Fabian Henrici, Axel Wenzler, Werner Schiemann, Reiner Schnitzer, Berthold Elbracht
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Publication number: 20140145651Abstract: A circuit for a battery includes a number n of battery cells which are connected in series between a positive battery terminal and a negative battery terminal. The number n is a natural number greater than 1. Due to the mounting in series of the n battery cells, a number of connection points are obtained between the n battery cell. The circuit further includes a discharge element comprising a first terminal which is connected or can be connected to a first discharge line and a second terminal which is connected or can be connected to a second discharge line. The circuit also includes a number of switches which can be connected at a first terminal to a respective connection point or to one of the positive or negative battery terminals and are connected at a second terminal to the first or second discharge line.Type: ApplicationFiled: May 11, 2011Publication date: May 29, 2014Applicant: Robert Bosch GmbHInventors: Werner Schiemann, Stefan Butzmann
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Publication number: 20130257335Abstract: A method and a circuit system for operating an electric machine are presented. The method is carried out in particular in a starting phase, a current being limited using a controllable resistor, the controllable resistor being implemented by at least one semiconductor switch, which is controlled using a clocked signal, and the signal being set in such a way that in shutdown phases, the at least one semiconductor switch is not completely shut down.Type: ApplicationFiled: August 10, 2011Publication date: October 3, 2013Inventors: Marc Eschenhagen, Rasmus Rettig, Franziska Kalb, Michael Merkle, Werner Schiemann, Joachim Joos