Patents by Inventor Gerhard Koelle
Gerhard Koelle 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: 9214872Abstract: The invention relates to a method for actuating the switching transistors of a rectifier which is provided for converting the phase voltages that are provided by a vehicle generator into a direct current voltage. Each switching transistor comprises a parasitic diode. An activation signal for initiating the conducting phase and a de-activation signal for ending the conducting phase are supplied to each control terminal of the switching transistors. A timer is started simultaneously with the provision of an activation signal and the de-activation signal is provided once a predetermined time period has passed.Type: GrantFiled: December 20, 2011Date of Patent: December 15, 2015Assignee: Infineon Technologies AGInventors: Gerhard Koelle, Benno Koeppl, Michael Scheffer
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Publication number: 20140036562Abstract: The invention relates to a method for actuating the switching transistors of a rectifier which is provided for converting the phase voltages that are provided by a vehicle generator into a direct current voltage. Each switching transistor comprises a parasitic diode. An activation signal for initiating the conducting phase and a de-activation signal for ending the conducting phase are supplied to each control terminal of the switching transistors. A timer is started simultaneously with the provision of an activation signal and the de-activation signal is provided once a predetermined time period has passed.Type: ApplicationFiled: December 20, 2011Publication date: February 6, 2014Inventors: Gerhard Koelle, Benno Koeppl, Michael Scheffer
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Patent number: 7615987Abstract: A device for determining electrical variables, having a housing and an electrical main conductor, which is provided for conducting a load current, and which has a measuring section, having an electrical evaluation unit which is connected to the electrical main conductor in an electrically conductive manner, the measuring section being directly sealed and held by the housing, which is developed as an injection molded housing.Type: GrantFiled: September 27, 2005Date of Patent: November 10, 2009Assignee: Robert Bosch GmbHInventors: Gerhard Koelle, Stephan Mazingue-Desailly, Alexander Lerich
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Patent number: 7578710Abstract: An electrical device, in particular a device for determining electrical variables (battery sensor), is provided which includes a connecting region between the part of the device which determines electrical variables and an attachment point. The connecting region has an essentially central axis. The device has a conductive interface between two conductor sections, the interface being offset from the central axis.Type: GrantFiled: August 13, 2007Date of Patent: August 25, 2009Assignee: Robert Bosch GmbHInventors: Gerhard Koelle, Stephan Mazingue-Desailly, Alexander Lerich, Roland Hellwig
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Publication number: 20080088300Abstract: A device for determining electrical variables, having a housing and an electrical main conductor, which is provided for conducting a load current, and which has a measuring section, having an electrical evaluation unit which is connected to the electrical main conductor in an electrically conductive manner, the measuring section being directly sealed and held by the housing, which is developed as an injection molded housing.Type: ApplicationFiled: September 27, 2005Publication date: April 17, 2008Applicant: ROBERT BOSCH GMBHInventors: Gerhard Koelle, Stephan Mazingue-Desailly, Alexander Lerich
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Publication number: 20080050960Abstract: An electrical device, in particular a device for determining electrical variables (battery sensor), is provided which includes a connecting region between the part of the device which determines electrical variables and an attachment point. The connecting region has an essentially central axis. The device has a conductive interface between two conductor sections, the interface being offset from the central axis.Type: ApplicationFiled: August 13, 2007Publication date: February 28, 2008Inventors: Gerhard Koelle, Stephan Mazingue-Desailly, Alexander Lerich, Roland Hellwig
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Patent number: 6830118Abstract: The invention relates to a drive train for a motor vehicle, having an internal combustion engine (1), having an electric machine (2), which upon starting of the engine (1) generates a torque, and having a clutch (3), which is disposed between the engine (1) and a gear train (4) by way of which a torque generated by the engine (1) can be transmitted to at least one vehicle drive wheel. A mechanism (5, 6) is provided, which upon starting of the engine can actuate the clutch (3) in such a way that a first part of the torque generated upon starting of the engine by the electric machine (2) is transmitted to the at least one vehicle drive wheel, and a second part of the torque generated by the electric machine and sufficient for starting the engine is transmitted to the engine.Type: GrantFiled: October 19, 2001Date of Patent: December 14, 2004Assignee: Robert Bosch GmbHInventors: Gerhard Koelle, Peter Ahner, Harald Tschentscher, Manfred Ackermann
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Patent number: 6744240Abstract: A method for operating an electrical machine (1) for the production of electrical power (13) includes an excitation winding (2) and a stator winding (4). A converter configuration (6), e.g., a pulse-width modulation inverter, is located downstream from the electrical machine (1). In the lower speed range, the output of electrical power (12) takes place along the torque line (29) independently of the number of coils w1, w2 in a stator winding (4). In the upper speed range, the output of electrical power (12) takes place via a stator winding (4) having a small number of coils w2.Type: GrantFiled: January 25, 2002Date of Patent: June 1, 2004Assignee: Robert Bosch GmbHInventors: Gerhard Koelle, Kurt Reutlinger, Begir Pushkolli
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Publication number: 20040060370Abstract: The invention relates to a method for ascertaining the pole wheel position in electrical machines (1), for example rotary current generators with pulse inverters. These electrical machines have a rotor excitation device (2) and a stator (4) provided with inductances (4.1, 4.2, 4.3 or 20, 21, 22). An alternating voltage source (7) is provided on the stator output side, between two stationary terminals (5). By means of first and second switch elements (15, 16), a split into two branches (13 and 14) can be produced, in which the respective branch voltage curves (17, 18) are measured, the superposition of which permits the rotor or pole wheel position (11) to be definitely ascertained.Type: ApplicationFiled: August 12, 2002Publication date: April 1, 2004Inventors: Gerhard Koelle, Beqir Pushkolli
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Patent number: 6697257Abstract: Disclosed in a power semiconductor module which includes a stack of carrier substrates, disposed one above the other in multiple layers and provided with at least one conductor track on at least one main surface, in which at least one electronic semiconductor component is disposed between two adjacent carrier substrates of the stack and is contacted electrically and heat-conductively to at least one conductor track of a carrier substrate disposed in the stack above the semiconductor component and to at least one further conductor track of a carrier substrate disposed in the stack below the semiconductor component. To both improve heat output and provide a compact design, the two outer carrier substrates of the stack are embodied as one upper and one lower housing wall of a closed housing part surrounding the at least one semiconductor component, and the interstices between the stacked carrier substrates are tightly closed by an encompassing wall secured to the carrier substrates.Type: GrantFiled: April 9, 2002Date of Patent: February 24, 2004Assignee: Robert Bosch GmbHInventors: Kuno Wolf, Gerhard Koelle, Juergen Zaremba, Wolfgang Jacob, Alexander Wallrauch, Christoph Ruf, Ralf Schmid, Peter Urbach, Bernd Bireckoven, Hans-Reiner Krauss, Dirk Scholz
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Publication number: 20030102173Abstract: The invention relates to a drive train for a motor vehicle, having an internal combustion engine 1, having an electric machine 2, which upon starting of the engine 1 generates a torque, and having a clutch 3, which is disposed between the engine 1 and a gear train 4 by way of which a torque generated by the engine 1 can be transmitted to at least one vehicle drive wheel.Type: ApplicationFiled: October 19, 2001Publication date: June 5, 2003Inventors: Gerhard Koelle, Peter Ahner, Harald Tschentscher, Manfred Ackermann
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Patent number: 6561947Abstract: A method for controlling gear shifting in a motor vehicle which utilizes a drive assembly that includes an internal combustion engine having an output shaft, a multiple-gear transmission having a transmission input and a transmission output shaft that be selective coupled and uncoupled from one another, a main clutch assembly capable of causing the transmission input shaft and output shaft to be selectively coupled or uncoupled, an electrical machine capable of being selectively coupled to the transmission input shaft via an intermediate transmission, and a control unit for controlling the electrical machine and/or the intermediate transmission during gear shifting, as a function of a standard shift value provided to the transmission along with the operating parameters and the operating states of the components.Type: GrantFiled: December 7, 2000Date of Patent: May 13, 2003Assignee: Robert Bosch GmbHInventors: Gerhard Koelle, Harald Tschentscher, Simon-Florian Gzerny
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Patent number: 6531787Abstract: A starter device (1) for an internal combustion engine (2) is provided that comprises an electric starter motor (3), a power supply (16), and an activating unit (4) for the starter motor (3). The activating unit comprises circuit-breaker electronics (6) and a control unit (5) for the circuit-breaker electronics (6). Sensors are provided to register physical parameters relevant to the starting power of the starter motor (3) in order to adapt the start characteristic line of the starter motor (3) in optimal fashion within permissible limit values of the physical parameters.Type: GrantFiled: June 3, 2002Date of Patent: March 11, 2003Assignee: Robert Bosch GmbHInventors: Gerhard Koelle, Simon-Florian Czerny, Manfred Ackermann
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Publication number: 20030006739Abstract: The invention is based on a method for operating an electrical machine (1) for the production of electrical power (13) comprising an excitation winding (2) and a stator winding (4). A converter configuration (6), e.g., a pulse-width modulation inverter, is located downstream from the electrical machine (1). In the lower speed range, the output of electrical power (12) takes place along the torque line (29) independently of the number of coils w1, w2 in a stator winding (4). In the upper speed range, the output of electrical power (12) takes place via a stator winding (4) having a small number of coils w2.Type: ApplicationFiled: January 25, 2002Publication date: January 9, 2003Inventors: Gerhard Koelle, Kurt Reutlinger
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Publication number: 20030001545Abstract: The invention relates to a method for determining the position of a rotating component of a claw pole machine (1), which is operated in the R-S-T-system and whose regulation requires the transformation of the stator values from the R-S-T-system into the d, q-system and vice versa. The claw pole machine (1) as an overall system (15) is divided into a non-detectable subsystem (18) and a detectable subsystem (19), which contains a filter element (20). The filter element (20) contained in the detectable subsystem (19, 29) supplies the output values (17).Type: ApplicationFiled: March 22, 2002Publication date: January 2, 2003Inventors: Gerhard Koelle, Kurt Reutlinger, Beqir Pushkolli
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Publication number: 20020163197Abstract: A starter device (1) for an internal combustion engine (2) is provided that comprises an electric starter motor (3), a power supply (16), and an activating unit (4) for the starter motor (3).Type: ApplicationFiled: June 3, 2002Publication date: November 7, 2002Inventors: Gerhard Koelle, Simon-Florian Czerny, Manfred Avkermann
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Publication number: 20020123408Abstract: The invention concerns a starter (5) for an internal combustion engine (ICE), whereby the starter (S) comprises a drive (D).Type: ApplicationFiled: April 9, 2002Publication date: September 5, 2002Inventors: Gerhard Koelle, Peter Ahner, Manfred Ackermann
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Patent number: 6425839Abstract: An electrical machine apparatus for starting an internal combustion engine and supplying voltage to an on-board electrical system of a motor vehicle having a main gear, includes an electrical machine, a planetary gear through which the electrical machine is coupleable to the engine, the electrical machine being switchable over from a motor mode to a generator mode, the gear being switchable over for adjusting an rpm of the electrical machine, the electrical machine being coupleable to a drive train of the engine via the gear so that for synchronizing the main gear, speed-changing stages in the gear and thus a moment of mass inertia of the electric machine are selectable in accordance with a desired rpm adaptation of the drive train.Type: GrantFiled: September 16, 1999Date of Patent: July 30, 2002Assignee: Robert Bosch GmbHInventors: Gerhard Koelle, Peter Ahner, Peter Glauning
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Patent number: 6373705Abstract: In order to improve heat dissipation and to reduce parasitic inductivity in an electronic semiconductor module, which has a carrier substrate having an electrically insulating layer, a metal layer in which printed conductors are formed via structuring and which is arranged on the upper side of the insulating layer, and a metal cooling body arranged on the lower side of the insulating layer, and at least one semiconductor component arranged on the carrier substrate, the electrically insulating layer has at least one notch, and at least one terminal face provided on the upper side of the semiconductor component facing away from the carrier substrate is electrically connected to a contact element which is directly connected to the metal cooling body via the notch.Type: GrantFiled: February 13, 2001Date of Patent: April 16, 2002Assignee: Robert Bosch GmbHInventors: Gerhard Koelle, Wolfgang Jacob, Harald Tschentscher, Stephan Rees
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Patent number: 6363899Abstract: The invention is directed to a method for turning off the starter of an internal combustion engine, wherein a starter motor which can be engaged with the internal combustion engine for cranking is disengaged and switched off when the internal combustion engine runs by itself, and the time at which the starter is switched off is determined from a curve of a starter current of the starter motor. It is provided that a signal proportional to the starter current (IS) is evaluated for determining the time (tA) for switching off the starter, wherein there is an evaluation of a characteristic line with a signal which is proportional to the starter current, which characteristic line is dependent on an operating state of the internal combustion engine.Type: GrantFiled: December 20, 1999Date of Patent: April 2, 2002Assignee: Robert Bosch GmbHInventors: Gerhard Koelle, Manfred Ackermann