Patents by Inventor Paul Mehringer
Paul Mehringer 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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Publication number: 20240008219Abstract: A power module, in particular a drive module, is disclosed. The power module has a heatsink, in particular a cooling element, which is designed to conduct fluid, and at least two power components which are different from one another. The power components are each connected to the heatsink, in particular a part of the heatsink, in a thermally conductive or also electrically conductive manner. The power components are each designed to carry electric potentials, in particular ground potentials, which are different from one another. The heatsink comprises at least or only two parts, in particular one part and a further part which each have a cavity for conducting a fluid flow and which are connected to one another by way of an electrical insulator such that a fluid flow cooling both parts can flow through the parts. The parts are electrically insulated from one another such that the electric potentials of the power components are separated from one another within the heatsink.Type: ApplicationFiled: November 24, 2021Publication date: January 4, 2024Inventors: Paul Mehringer, Benedikt Scholz, Narcisse Fotso Simo, Marcus Mutschler
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Publication number: 20220011151Abstract: The invention relates to a method for weighing pharmaceutical containers (10) nested in a carrier (11), in which at least one of the nested containers (10) is weighed by means of a weighing device (1), wherein a relative movement between the at least one pharmaceutical container (10) and the carrier (11) is brought about in order to release the pharmaceutical containers (10) from the carrier (11) in order to increase the weighing accuracy.Type: ApplicationFiled: September 18, 2019Publication date: January 13, 2022Inventors: Philipp Roth, Ulrich Krauß, Klaus Ullherr, Tim Fleckenstein, Rolf Barthelmess, Martin Maerz, Thomas Beck, Ralf Riebeling, Heiko Wild, Joachim Radtke, Jochen Peters, Oliver Gerundt, Harald Ott, Olaf Eistert, Frank Scholl, Herbert Schaffert, Jochen Lautenschlager, Paul Mehringer, Faruk Civelek
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Patent number: 10788527Abstract: A method for detecting an error in a generator unit which has an electric machine (100) with a rotor winding (110) and a stator winding (120) and a rectifier (130) connected thereto, via which rectifier the electric machine (100) is connected to an electrical system (150) of a motor vehicle, the excitation current (IE) flowing through the rotor winding (110) of the electric machine (100) being plotted and it being concluded that there is an error in the generator unit depending on whether a frequency component (A) of a frequency spectrum of the plot of the excitation current (IE) in a frequency range above a lower speed limit (SW) is larger than a threshold value (S).Type: GrantFiled: October 28, 2016Date of Patent: September 29, 2020Assignee: Robert Bosch GmbHInventors: Manuel Mueller, Miriam Riederer, Paul Mehringer, Sebastian Paulus, Zoltan Ersek
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Publication number: 20200076320Abstract: Electronic circuit with a controllable switch, in particular a semiconductor switch, and a control device for controlling the semiconductor switch, wherein the control device is designed to activate the semiconductor switch depending on the voltage applied to a load path at a first time range of a specifiable, preferably negative, half-wave of a periodic electrical voltage that can be applied to the load path of the semiconductor switch and to enable a deactivation of the semiconductor switch depending on the voltage being applied to the load path initially at a second time range following the first time range.Type: ApplicationFiled: August 28, 2019Publication date: March 5, 2020Inventors: Dirk Schuster, Paul Mehringer
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Patent number: 10514421Abstract: The invention relates to a method for detecting an error in a generator unit which has an electric machine (100) with a rotor winding (110), a stator winding (120) transformer-coupled to the rotor winding (110), and a rectifier (130) connected to said stator winding, via which the electric machine (100) is connected to an onboard power supply (150) of a motor vehicle, wherein a decision is made, depending on a magnitude of a correlation (K1, K2) between a curve of an excitation current (IE) flowing through the rotor winding (110) of the electric machine (100) and a curve of a voltage drop (UY, UDF) on one side of the transformer, as to whether the error is present or not.Type: GrantFiled: October 28, 2016Date of Patent: December 24, 2019Assignee: Robert Bosch GmbHInventors: Kurt Reutlinger, Michael Wohlfarth, Miriam Riederer, Paul Mehringer, Manuel Mueller, Sebastian Paulus
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Publication number: 20190154758Abstract: The invention relates to a method for determining an operating state (B) of an electric machine (114) which is coupled to an internal combustion engine (112) by means of a freewheel mechanism (111), having the steps: determining a time profile of a rotational speed (N) of the electric machine (114) and determining at least one freewheeling phase (PHFL) of the electric machine (114) from the rotational speed (n) and the falling rotational speed edge (126b) which is assigned to the freewheeling phase (PHFL), wherein the operating state B of the electric machine (114) is inferred if the rotational speed edge (126b) has a profile shape which deviates from a standard profile (126c). Furthermore, the invention relates to a corresponding computing unit which is configured, by means of corresponding storage means and a computer program, to carry out the method according to the invention, and to a corresponding computer program.Type: ApplicationFiled: June 19, 2017Publication date: May 23, 2019Inventor: Paul Mehringer
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Publication number: 20180356467Abstract: The invention relates to a method for detecting an error in a generator unit which has an electric machine (100) with a rotor winding (110), a stator winding (120) transformer-coupled to the rotor winding (110), and a rectifier (130) connected to said stator winding, via which the electric machine (100) is connected to an onboard power supply (150) of a motor vehicle, wherein a decision is made, depending on a magnitude of a correlation (K1, K2) between a curve of an excitation current (IE) flowing through the rotor winding (110) of the electric machine (100) and a curve of a voltage drop (UY, UDF) on one side of the transformer, as to whether the error is present or not.Type: ApplicationFiled: October 28, 2016Publication date: December 13, 2018Inventors: Kurt REUTLINGER, Michael WOHLFARTH, Miriam RIEDERER, Paul MEHRINGER, Manuel MUELLER, Sebastian PAULUS
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Publication number: 20180340969Abstract: A method for detecting an error in a generator unit which has an electric machine (100) with a rotor winding (110) and a stator winding (120) and a rectifier (130) connected thereto, via which rectifier the electric machine (100) is connected to an electrical system (150) of a motor vehicle, the excitation current (IE) flowing through the rotor winding (110) of the electric machine (100) being plotted and it being concluded that there is an error in the generator unit depending on whether a frequency component (A) of a frequency spectrum of the plot of the excitation current (IE) in a frequency range above a lower speed limit (SW) is larger than a threshold value (S).Type: ApplicationFiled: October 28, 2016Publication date: November 29, 2018Inventors: Manuel Mueller, Miriam Riederer, Paul Mehringer, Sebastian Paulus, Zoltan Ersek
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Patent number: 10075011Abstract: An active converter connected to an electric machine, including arresting circuits to activate a voltage arresting function from a first point-in-time, and which is configured to only activate a load dump reaction upon activation conditions from a second point-in-time, the activation conditions include that it is determined that at the second point-in-time, a supply-side voltage potential applied to an exciter winding of the electric machine is between the voltage potential applied at the first DC voltage terminal and a ground potential, if the exciter winding is disconnected from the voltage potential of the vehicle electrical system voltage and/or a current flowing through the exciter winding is below a current threshold value and/or after an initial activation of a load dump reaction, after which further load dump reactions were activated, more than a predefined period of time has elapsed and/or more than a predefined number of load dump reactions were activated.Type: GrantFiled: January 21, 2016Date of Patent: September 11, 2018Assignee: SEG AUTOMOTIVE GERMANY GMBHInventor: Paul Mehringer
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Patent number: 10003188Abstract: In an active converter that is connected to an electric machine, in which arresting circuits for activating a voltage arrest beginning at a first point in time are provided, and which is also configured for activating a load shedding reaction only when activation conditions are fulfilled beginning at a second point in time, the activation conditions include determining that the voltage arrest is still activated at the second point in time, that a voltage potential has not yet fallen below the first threshold value, and/or that a value that indicates a current flowing through at least one phase connection is above a third threshold value.Type: GrantFiled: January 14, 2016Date of Patent: June 19, 2018Assignee: SEG Automotive Germany GmbHInventor: Paul Mehringer
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Patent number: 9991816Abstract: A method for controlling a multi-phase electric machine, operable at least in generator mode, whose phase terminals in an active bridge rectifier are respectively connected, via addressable first current valves capable of being switched on and shut off, to a first DC voltage terminal and via second current valves to a second DC voltage terminal. The method includes: in a generator mode of the electric machine after occurrence of a load dump, repeatedly initiating and discontinuing phase short circuits of the phase terminals via the first current valves. A magnitude characterizing a natural frequency of the electric machine is ascertained, and the first current valves are addressed with a switching frequency in order to initiate and discontinue the phase short circuits on the basis of the magnitude characterizing the natural frequency of the electric machine.Type: GrantFiled: July 17, 2015Date of Patent: June 5, 2018Assignee: SEG Automotive Germany GmbHInventor: Paul Mehringer
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Patent number: 9985625Abstract: A method for controlling a bridge rectifier which includes active switching elements is provided, in which, during normal operation, at least one of the active switching elements is controlled using a voltage signal, the voltage of which is changed from a first voltage value to a second voltage value within at least one switching time. The at least one switching time is extended by a predefinable time period if load shedding at the bridge rectifier is determined. Also described is a corresponding rectifier system and a computer program product.Type: GrantFiled: July 31, 2013Date of Patent: May 29, 2018Assignee: SEG Automotive Germany GmbHInventors: Paul Mehringer, Christopher Otte
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Patent number: 9981561Abstract: A motor vehicle electrical system which includes an electric machine, an active bridge rectifier, and at least one control device, the at least one control device being configured for converting an alternating voltage which is output by the electric machine at a number of phase connections into a direct voltage by controlling active switching elements of the bridge rectifier. An arrangement is provided configured for initiating a short circuit of at least two of the phase connections as soon as a signal characterizing the direct voltage exceeds an upper threshold value, and for deactivating the short circuit as soon as the signal characterizing the direct voltage subsequently falls below a lower threshold value. An evaluation device is provided configured for detecting a value of the direct voltage, for filtering the detected value, and for providing the filtered value as the signal characterizing the direct voltage.Type: GrantFiled: November 7, 2014Date of Patent: May 29, 2018Assignee: SEG Automotive Germany GmbHInventors: Christopher Otte, Paul Mehringer, Wolfgang Feiler
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Patent number: 9985517Abstract: A rectifier module for an active bridge rectifier having two switching elements, connected in series between two end terminals, and between which a center tap is formed, and a control circuit including a monitoring unit, a synchronization unit, and a control unit, the monitoring unit detecting a measuring voltage and outputting a request signal when the measuring voltage exceeds an upper threshold value. The synchronization unit outputs a synchronization signal to a synchronization terminal as long as the monitoring unit outputs the request signal, and otherwise to monitor the synchronization terminal for a synchronization signal. The control unit switches one of the two switching elements into a conductive state at least in sections during an activation period of time, when the monitoring unit outputs the request signal and/or when the synchronization signal is detected and is optionally recognized as valid by the monitoring.Type: GrantFiled: July 28, 2014Date of Patent: May 29, 2018Assignee: SEG Automotive Germany GMBHInventors: Harald Schueler, Siegbert Sautter, Christopher Otte, Paul Mehringer, Jie Ge, Wolfgang Feiler, Matthias Schmidt
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Patent number: 9973105Abstract: A half bridge for an active rectifier having an alternating-voltage connection, a positive direct-voltage connection, as well as a ground connection, a first switch element connecting the alternating-voltage connection to the ground connection; a second switch element connecting the alternating-voltage connection to the positive direct-voltage connection, a first control element being connected to the first switch element for switching the first switch element; a connection of a first capacitor being connected to a voltage supply connection of the first control element; the positive direct-voltage connection being connected via a first diode in the forward direction to the one connection of the first capacitor; the first capacitor being connected in parallel to a series connection of the first switch element and the second switch element.Type: GrantFiled: October 17, 2014Date of Patent: May 15, 2018Assignee: SEG AUTOMOTIVE GERMANY GMBHInventors: Paul Mehringer, Zoltan Kosznai, Petra Rose, Zoltan Balazs
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Patent number: 9950626Abstract: A bridge rectifier having AC voltage terminals, two DC voltage terminals, and a number of half-bridges corresponding to the number of AC voltage terminals. Each half-bridge has two activatable switching elements, connected in series between the DC voltage terminals and between which one of the AC voltage terminals is connected in each case. Each half-bridge includes a control circuit configured to detect an output voltage applied between the DC voltage terminals and switch a first switching element of the two switching elements of the particular half-bridge to be conductive by activation using a first control signal until the output voltage falls below a lower threshold value, after it has previously exceeded an upper threshold value, and to activate it in a clocked manner by activation using a second control signal, until the output voltage exceeds the upper threshold value, after it has previously fallen below the lower threshold value.Type: GrantFiled: June 24, 2014Date of Patent: April 24, 2018Assignee: SEG Automotive Germany GmbHInventors: Christopher Otte, Paul Mehringer
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Patent number: 9927473Abstract: The method includes operating the synchronous machine in idle operation; recording a phase voltage measured value of the synchronous machine; ascertaining a phase voltage expected value by allocating stored characteristics map values for the phase voltage, for the exciting current and the recorded rotational speed of the synchronous machine; and comparing the phase voltage expected value to the phase voltage measured value. Also described is a diagnostic device for carrying out this method, as well as a corresponding computer program product.Type: GrantFiled: March 20, 2013Date of Patent: March 27, 2018Assignees: ROBERT BOSCH GMBH, SEG AUTOMOTIVE GERMANY GMBHInventors: Jie Ge, Paul Mehringer
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Patent number: 9909853Abstract: An electrical machine includes an angular position transducer for identifying a first rotation angle of a rotor; a stator winding for generating a magnetic field; a voltage measuring instrument for sensing a pole wheel voltage at the ends of the stator winding upon a rotation of the rotor; and an identification circuit for identifying a second rotation angle from the pole wheel voltage and for identifying an angle difference between the first and the second rotation angle.Type: GrantFiled: January 24, 2013Date of Patent: March 6, 2018Assignees: ROBERT BOSCH GMBH, SEG AUTOMOTIVE GERMANY GMBHInventors: Julian Roesner, Mario Kaepple, Paul Mehringer
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Patent number: 9893645Abstract: A method for operating an active rectifier including a multitude of controllable semiconductor switching elements, in which a switch is carried out between a first control mode and a second control mode for controlling the semiconductor switching elements, and vice versa, the semiconductor switching elements being controlled with a first switching time in the first control mode and with a second switching time in the second control mode, the second switching time being greater than the first switching time.Type: GrantFiled: December 19, 2014Date of Patent: February 13, 2018Assignee: SEG Automotive Germany GmbHInventors: Christopher Otte, Paul Mehringer, Wolfgang Feiler
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Publication number: 20180041025Abstract: In an active converter that is connected to an electric machine, in which arresting circuits for activating a voltage arrest beginning at a first point in time are provided, and which is also configured for activating a load shedding reaction only when activation conditions are fulfilled beginning at a second point in time, the activation conditions include determining that the voltage arrest is still activated at the second point in time, that a voltage potential has not yet fallen below the first threshold value, and/or that a value that indicates a current flowing through at least one phase connection is above a third threshold value.Type: ApplicationFiled: January 14, 2016Publication date: February 8, 2018Inventor: Paul Mehringer