Patents by Inventor Markus Baehr
Markus Baehr 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: 20220274583Abstract: A hybridised powertrain unit (1) for a motor vehicle is provided, with a first part-unit (3) having an electrical machine (2) and with a second part-unit (6) having an internal combustion engine (4) and a powershift transmission (5) connected downstream of the internal combustion engine (4), wherein the two part-units (3, 6) are coupled on the output side to an output drive (10) via a joint planetary gearbox (7), the ring gear (8) of which is connected to a transmission output (9) of the powershift transmission (5). A method for operating this powertrain unit (1) is also provided.Type: ApplicationFiled: July 30, 2020Publication date: September 1, 2022Applicant: Schaeffler Technologies AG & Co. KGInventors: Markus BAEHR, Götz RATHKE
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Patent number: 11378139Abstract: A clutch unit for a powertrain of a motor vehicle is disclosed, comprising a torque input component acting as a drive element, a torque output component acting as an output element, being connectable so as to transmit a torque to the torque input component via a clutch that can be shifted using friction elements, and with a torsional vibration damper having two masses damped relative to one another to reduce rotational irregularities, which is arranged between the torque input component and the torque output component, at least one of the two masses of the torsional vibration damper being simultaneously designed as a support for a friction partner. The disclosure further relates to a hybrid module comprising a first drive machine, the output shaft of which can be connected to an output shaft of a second drive machine or a transmission input shaft via such a clutch unit.Type: GrantFiled: January 15, 2019Date of Patent: July 5, 2022Assignee: Schaeffler Technologies AG & Co. KGInventors: Marco Grethel, Loyal George MacMillian, Markus Baehr, Carsten Mayer
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Patent number: 11248663Abstract: A clutch unit for a powertrain of a motor vehicle is disclosed, comprising a torque input component acting as a drive element and a torque output component acting as an output element, which can be connected to transmit a torque to the torque input component through a clutch which can be switched through friction elements, the clutch having two partial clutches by which the torque input component and the torque output component can be connected so as to transmit a torque, in which one of the two partial clutches is configured as a positive-fit clutch and the other of the two partial clutches is configured as a friction clutch. In addition, the disclosure relates to a hybrid module with a first drive machine the output shaft of which can be connected through such a clutch unit to an output shaft of a second drive machine or a transmission input shaft.Type: GrantFiled: January 15, 2019Date of Patent: February 15, 2022Assignee: Schaeffler Technologies AG & Co. KGInventors: Marco Grethel, Loyal George MacMillian, Carsten Mayer, Markus Baehr
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Publication number: 20210247741Abstract: A method for production control, in particular for production control used in the production of components, is based on a failure risk.Type: ApplicationFiled: May 24, 2019Publication date: August 12, 2021Applicant: Schaeffler Technologies AG & Co. KGInventors: Christoph Horst, Markus Baehr, Dietmar Häckl, Daniel Lukacs
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Publication number: 20210054883Abstract: A clutch unit for a powertrain of a motor vehicle is disclosed comprising a torque input component acting as a drive element, a torque output component acting as an output element, being connectable so as to transmit a torque to the torque input component via a clutch that can be shifted using friction elements, and with a torsional vibration damper having two masses damped relative to one another to reduce rotational irregularities, which is arranged between the torque input component and the torque output component, at least one of the two masses of the torsional vibration damper being simultaneously designed as a support for a friction partner. The disclosure further relates to a hybrid module comprising a first drive machine, the output shaft of which can be connected to an output shaft of a second drive machine or a transmission input shaft via such a clutch unit.Type: ApplicationFiled: January 15, 2019Publication date: February 25, 2021Applicant: Schaeffler Technologies AG & Co. KGInventors: Marco Grethel, Loyal George MacMillian, Markus Baehr, Carsten Mayer
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Publication number: 20210003178Abstract: A clutch unit for a powertrain of a motor vehicle is disclosed, comprising a torque input component acting as a drive element and a torque output component acting as an output element, which can be connected to transmit a torque to the torque input component through a clutch which can be switched through friction elements, the clutch having two partial clutches by which the torque input component and the torque output component can be connected so as to transmit a torque, in which one of the two partial clutches is configured as a positive-fit clutch and the other of the two partial clutches is configured as a friction clutch. In addition, the disclosure relates to a hybrid module with a first drive machine the output shaft of which can be connected through such a clutch unit to an output shaft of a second drive machine or a transmission input shaft.Type: ApplicationFiled: January 15, 2019Publication date: January 7, 2021Applicant: Schaeffler Technologies AG & Co. KGInventors: Marco Grethel, Loyal George MacMillian, Carsten Mayer, Markus Baehr
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Patent number: 10738880Abstract: A control unit arrangement for controlling a fluid arrangement includes at least one transmission actuator element, at least one valve and at least one pump, for clutch and transmission activation. The control unit arrangement also includes a plurality of control units. At least one control unit of the plurality of control units is configured to actuate the at least one transmission actuator element and at least one control unit of the plurality of control units is configured to actuate the at least one pump. One of the control units from the plurality of control units is configured to actuate the at least one valve, or at least two of the control units from the plurality of control units are connected via an OR logic for a common actuation of the at least one valve.Type: GrantFiled: September 21, 2016Date of Patent: August 11, 2020Assignee: SCHAEFFLER TECHNOLOGIES AG & CO.KGInventors: Dominik Herkommer, Andre Schauer, Markus Baehr, Marco Grethel, Jürgen Eich
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Patent number: 10738752Abstract: A drive train for a motor vehicle includes an internal combustion engine, a starting device, and a vibration isolation device. The internal combustion engine has a main order of vibration and an excitation frequency predetermined by a predetermined operating principle and a predetermined number of cylinders. The starting device is for starting the internal combustion engine and has an electric machine with a torque characteristic over a speed (n). The vibration isolation device is designed for the main order of vibration of the internal combustion engine. The vibration isolation device has a resonance characteristic below an idling speed (nL) of the internal combustion engine in a resonance range occurring in a first speed range (?n2). The resonance range is shifted into a second, lower speed range (?n1) when the electric machine is coupled. The electric machine is arranged to supply a torque effective beyond the second, lower speed range (?n1).Type: GrantFiled: November 22, 2016Date of Patent: August 11, 2020Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventors: Marco Grethel, Markus Baehr, Hyung Wook Choi
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Publication number: 20200182314Abstract: A method for adjusting an operating point of a hydraulic actuator arrangement, in which a volumetric flow source is connected to a hydraulic cylinder via a pressure line which is filled with a hydraulic fluid, wherein a volume of the hydraulic fluid is regulated via the volumetric flow source and the operating point corresponds to a position of the actuator arrangement for a predefined parameter of a device which is to be actuated by the actuator arrangement, wherein the volume of the hydraulic fluid which is required to adjust the operating point is derived from a rotational position of a volumetric flow source motor and/or the volumetric flow source. In a method which facilitates a reliable start of the volume determination, a volume determination is started by means of a rotary angle regulation at a predefined pressure, wherein the predefined pressure is lower than a system pressure.Type: ApplicationFiled: May 8, 2018Publication date: June 11, 2020Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventors: Yunfan WEI, Marco GRETHEL, Markus BAEHR, Andre SCHAUER
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Patent number: 10539232Abstract: A fluid arrangement for fluid actuation of at least one clutch and at least one transmission component and including a fluid energy source. The fluid energy source is a fluid pump including a first transport direction, in which the fluid pump serves on a transmission side to actuate the transmission component, and including a second transport direction opposite to the first transport direction, in which the fluid pump serves on a clutch side to actuate the clutch.Type: GrantFiled: December 16, 2014Date of Patent: January 21, 2020Assignee: Schaeffler Technologies AG & Co.Inventors: Dominik Herkommer, Markus Baehr
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Patent number: 10408285Abstract: A fluid assembly in a hydraulic circuit, comprising one or more reservoirs configured to store fluid. The fluid assembly also includes a pump configured to transport the fluid in the hydraulic circuit and actuate a load from a transmission of a motor vehicle, a pressure accumulator configured to collect pressure built up by the pump and actuate the load, and a valve system configured to allow fluid communication of the load with the pump.Type: GrantFiled: February 8, 2016Date of Patent: September 10, 2019Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG.Inventors: Dominik Herkommer, Reinhard Stehr, Marco Grethel, Markus Baehr
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Patent number: 10393197Abstract: A method for adjusting and adapting an operating point of a hydraulic actuator arrangement, in which a volume flow source is connected to a hydraulic cylinder via a pressure line that is filled with a hydraulic fluid. The method includes regulating a volume of the hydraulic fluid by the volume flow source, wherein an operating point of a position of the actuator arrangement corresponds, with respect to a predefined parameter, to a device which is to be actuated by the actuator arrangement. A modified volume of the hydraulic fluid which is necessary to adjust the operating point is derived from a rotational position of a volume flow source motor and/or of the volume flow source.Type: GrantFiled: February 23, 2016Date of Patent: August 27, 2019Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventors: Markus Baehr, Dominik Herkommer, Andre Schauer, Marco Grethel
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Patent number: 10295051Abstract: The invention relates to a gearbox control system for the fluidic operation of a gearbox which includes a plurality of gears that can be selected and shifted by a gearbox actuator device, and for the fluidic operation of two partial clutches of a dual clutch. The invention is characterized in that the gearbox control system includes two reversing pump actuators which are each assigned one of the partial clutches and which each have two connections to which a fluidic AND valve is connected, the latter having a tank connection as a third connection, wherein the gearbox actuator device is connected to the two reversing pump actuators via a fluidic OR valve.Type: GrantFiled: March 16, 2015Date of Patent: May 21, 2019Assignee: Schaeffler Technologies AG & Co. KGInventors: Marco Grethel, Markus Baehr
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Publication number: 20180335006Abstract: A drive train for a motor vehicle includes an internal combustion engine, a starting device, and a vibration isolation device. The internal combustion engine has a main order of vibration and an excitation frequency predetermined by a predetermined operating principle and a predetermined number of cylinders. The starting device is for starting the internal combustion engine and has an electric machine with a torque characteristic over a speed (n). The vibration isolation device is designed for the main order of vibration of the internal combustion engine. The vibration isolation device has a resonance characteristic below an idling speed (nL) of the internal combustion engine in a resonance range occurring in a first speed range (?n2). The resonance range is shifted into a second, lower speed range (?n1 when the electric machine is coupled. The electric machine is arranged to supply a torque effective beyond the second, lower speed range (?n1.).Type: ApplicationFiled: November 22, 2016Publication date: November 22, 2018Applicant: Schaeffler Technologies AG & Co. KGInventors: Marco Grethel, Markus Baehr, Hyung Wook Choi
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Publication number: 20180306315Abstract: A control unit arrangement for controlling a fluid arrangement is disclosed, having at least one transmission actuator element, at least one valve and at least one pump, for clutch and transmission activation. The control unit arrangement includes a plurality of control units, wherein at least one control unit of the plurality of control units is configured to actuate the at least one transmission actuator element and at least one control unit of the plurality of control units is configured to actuate the at least one pump. One of the control units from the plurality of control units is configured to actuate the at least one valve, or at least two of the control units from the plurality of control units are connected via an OR logic for a common actuation of the at least one valve.Type: ApplicationFiled: September 21, 2016Publication date: October 25, 2018Applicant: Schaeffler Technologies AG & Co. KGInventors: Dominik Herkommer, Andre Schauer, Markus Baehr, Marco Grethel, Jürgen Eich
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Patent number: 10066677Abstract: The invention relates to a clutch device for a drivetrain of a motor vehicle, including a pressure plate which is preferably displaceable in the axial direction of the clutch device, wherein the pressure plate, in a coupled position of the clutch device, presses a clutch disk against a counterpressure plate that can be connected to a crankshaft of an internal combustion engine, and including an actuating device which has a displaceable actuating piston. The displacement position of the actuating piston defines a position of the pressure plate and the actuating piston can be driven by a drive unit of the actuating device in order to displace the pressure plate between the coupled position and an uncoupled position. The drive unit has at least one pump, and the at least one pump is accommodated in a pump seat housing and the pump seat housing is connected to the counterpressure plate in such a way as to rotate therewith.Type: GrantFiled: November 26, 2014Date of Patent: September 4, 2018Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventors: Dominik Herkommer, Markus Baehr, Marco Grethel
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Publication number: 20180106305Abstract: A method for adjusting and adapting an operating point of a hydraulic actuator arrangement, in which a volume flow source is connected to a hydraulic cylinder via a pressure line that is filled with a hydraulic fluid. The method includes regulating a volume of the hydraulic fluid by the volume flow source, wherein an operating point of a position of the actuator arrangement corresponds, with respect to a predefined parameter, to a device which is to be actuated by the actuator arrangement. A modified volume of the hydraulic fluid which is necessary to adjust the operating point is derived from a rotational position of a volume flow source motor and/or of the volume flow source.Type: ApplicationFiled: February 23, 2016Publication date: April 19, 2018Applicant: Schaeffler Technologies AG & Co. KGInventors: Markus Baehr, Dominik Herkommer, Andre Schauer, Marco Grethel
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Publication number: 20180003248Abstract: A fluid assembly in a hydraulic circuit, comprising one or more reservoirs configured to store fluid. The fluid assembly also includes a pump configured to transport the fluid in the hydraulic circuit and actuate a load from a transmission of a motor vehicle, a pressure accumulator configured to collect pressure built up by the pump and actuate the load, and a valve system configured to allow fluid communication of the load with the pump.Type: ApplicationFiled: February 8, 2016Publication date: January 4, 2018Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventors: Dominik HERKOMMER, Reinhard STEHR, Marco GRETHEL, Markus BAEHR
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Patent number: 9809198Abstract: A motor vehicle has a body with an opening that can be closed by a preferably pivotable cover and a box-shaped metallic reflector that is open towards the opening for receiving an HPEM source and that is reversibly insertable into the opening. The reflector is connected to the body by an earth connection following insertion of the reflector. The earth connection is implemented by a brush strip containing fibers of a conductive material that connects the box-shaped reflector to the body circumferentially on all sides in the region of the opening.Type: GrantFiled: May 28, 2015Date of Patent: November 7, 2017Assignee: DIEHL DEFENCE GMBH & CO. KGInventors: Andreas Ganghofer, Markus Baehr
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Patent number: 9726230Abstract: A lever system for actuating at least one clutch, comprising at least one pivotable lever that has a certain bending stiffness. The lever has at least one flexurally elastic zone which is designed and/or arranged in such a way that the bending stiffness of the lever varies in accordance with an actuation path of the clutch.Type: GrantFiled: June 17, 2013Date of Patent: August 8, 2017Assignee: Schaeffler Technologies AG & Co. KGInventors: Dominik Herkommer, Markus Baehr