Patents by Inventor Eckhard KIRCHNER
Eckhard KIRCHNER 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: 20230330919Abstract: An apparatus for additively manufacturing a heterogeneous structure (50) using a plastic fiber (10) and an energy transfer material (20) is disclosed. Additive manufacturing is performed in a vertical direction (z) perpendicular to a horizontal plane (x-y). The apparatus comprises: a nozzle device (110) adapted to provide the plastic fiber (10) for additive manufacturing; a feeding device (120) adapted to move the energy transfer material (20) back and forth in a vertical direction (z); and moving device (130) adapted to independently move (or rotate) the feeding device (120) and the nozzle device (110) in the horizontal plane (x-y) to fabricate the heterogeneous structure (50) in the horizontal plane (x-y).Type: ApplicationFiled: September 7, 2021Publication date: October 19, 2023Applicant: Technische Universität DarmstadtInventors: Eckhard KIRCHNER, Kay-Eric STEFFAN, Tim Martin MÜLLER
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Patent number: 11261966Abstract: The invention relates to a parking brake for a motor vehicle, including a pivotable locking mechanism for applying a retaining force to a parking brake gear. The locking mechanism can lock into the parking brake gear by means of an axially movable first actuation unit. According to the invention, the first actuation unit is designed as a spring-loaded cam follower. The invention also relates to an operating method for locking and unlocking the parking brake.Type: GrantFiled: June 14, 2017Date of Patent: March 1, 2022Assignee: VALEO SIEMENS EAUTOMOTIVE GERMANY GMBHInventor: Eckhard Kirchner
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Patent number: 11152836Abstract: A rotating electric machine includes a stator having a winding head at each axial end and including a rotor, which is rotatably mounted in an opening in the stator and which has a rotor shaft and a laminated rotor core. The electric machine includes a bearing unit for the rotatable mounting of the rotor shaft with respect to the laminated rotor core, a transmission unit, a coupling unit, which is designed to provide at least two coupling states for coupling the rotation of the rotor shaft to the laminated rotor core and, in at least one of the coupling states, to couple the rotor shaft to the laminated rotor core by means of the transmission unit.Type: GrantFiled: May 2, 2017Date of Patent: October 19, 2021Assignee: VALEO SIEMENS EAUTOMOTIVE GERMANY GMBHInventors: Yves Burkhardt, Eckhard Kirchner
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Publication number: 20200309262Abstract: The invention relates to a parking brake for a motor vehicle, including a pivotable locking mechanism for applying a retaining force to a parking brake gear. The locking mechanism can lock into the parking brake gear by means of an axially movable first actuation unit. According to the invention, the first actuation unit is designed as a spring-loaded cam follower. The invention also relates to an operating method for locking and unlocking the parking brake.Type: ApplicationFiled: June 14, 2017Publication date: October 1, 2020Inventor: Eckhard KIRCHNER
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Patent number: 10759268Abstract: A manual gearbox section for a vehicle includes a section input, a section output, a freewheel device situated in a freewheel torque path between the section input and the section output, and a clutch device situated in a clutch torque path between the section input and the section output. The clutch torque path forms a bypass path with respect to the freewheel device and/or the freewheel torque path. The freewheel device is in the form of a rotational-speed-dependent freewheel device. The freewheel device is in a freewheeling state at a first rotational speed and in a coupled state at a second rotational speed. The second rotational speed is higher than the first rotational speed.Type: GrantFiled: February 18, 2016Date of Patent: September 1, 2020Assignee: Schaeffler Technologies AG & Co. KGInventors: Thomas Mehlis, Bastian Krueger, Eckhard Kirchner, Andreas Kinigadner
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Publication number: 20200195087Abstract: A rotating electric machine includes a stator having a winding head at each axial end and including a rotor, which is rotatably mounted in an opening in the stator and which has a rotor shaft and a laminated rotor core. The electric machine includes a bearing unit for the rotatable mounting of the rotor shaft with respect to the laminated rotor core, a transmission unit, a coupling unit, which is designed to provide at least two coupling states for coupling the rotation of the rotor shaft to the laminated rotor core and, in at least one of the coupling states, to couple the rotor shaft to the laminated rotor core by means of the transmission unit.Type: ApplicationFiled: May 2, 2017Publication date: June 18, 2020Inventors: Yves BURKHARDT, Eckhard KIRCHNER
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Patent number: 10668912Abstract: A method for determining the position of a first actuating element of an electrical parking lock device of a motor vehicle, wherein the first actuating element is mounted on a spindle in an axially mobile manner, where the method includes a step in which the first actuating element is moved in an opening direction to a stop, the spindle is then rotated to move the first actuating element in a closing direction, the current input and the energy consumption of a driver are captured at this point, provision is then made for identifying a first reference point if the current input of the spindle drive increases or decreases by at least a first threshold value, the first reference point is assigned to the energy consumption that has been captured, where the first reference point corresponds to the first actuating element coming into contact with an actuating pawl.Type: GrantFiled: September 22, 2016Date of Patent: June 2, 2020Assignee: Valeo Siemens eAutomotive Germany GmbHInventor: Eckhard Kirchner
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Publication number: 20180015818Abstract: A manual gearbox section for a vehicle includes a section input, a section output, a freewheel device situated in a freewheel torque path between the section input and the section output, and a clutch device situated in a clutch torque path between the section input and the section output. The clutch torque path forms a bypass path with respect to the freewheel device and/or the freewheel torque path. The freewheel device is in the form of a rotational-speed-dependent freewheel device. The freewheel device is in a freewheeling state at a first rotational speed and in a coupled state at a second rotational speed. The second rotational speed is higher than the first rotational speed.Type: ApplicationFiled: February 18, 2016Publication date: January 18, 2018Inventors: Thomas Mehlis, Bastian Krueger, Eckhard Kirchner, Andreas Kinigadner
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Publication number: 20170088111Abstract: A method for determining the position of a first actuating element of an electrical parking lock device of a motor vehicle, wherein the first actuating element is mounted on a spindle in an axially mobile manner, where the method includes a step in which the first actuating element is moved in an opening direction to a stop, the spindle is then rotated to move the first actuating element in a closing direction, the current input and the energy consumption of a driver are captured at this point, provision is then made for identifying a first reference point if the current input of the spindle drive increases or decreases by at least a first threshold value, the first reference point is assigned to the energy consumption that has been captured, where the first reference point corresponds to the first actuating element coming into contact with an actuating pawl:Type: ApplicationFiled: September 22, 2016Publication date: March 30, 2017Inventor: Eckhard KIRCHNER
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Publication number: 20170074378Abstract: A propulsion device for a vehicle includes a differential gear, which is driven by the electric machine via a planetary gear and operatively connected to an axle on the vehicle, with the planetary gear including at least three rotatable gear elements. A switching device is switchable by an actuator between a first switch position, in which one gear element is secured against a rotation about the axis of rotation, and a second switch position, in which the one gear element is connected by the switching device to another gear element in a torsion-proof manner. A parking brake including at least one parking brake element is movable by the actuator between a park position, in which the vehicle is prevented from rolling away, and at least one release position.Type: ApplicationFiled: September 13, 2016Publication date: March 16, 2017Applicant: SIEMENS AKTIENGESELLSCHAFTInventor: Eckhard Kirchner
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Patent number: 8671793Abstract: A machine has a shaft rotatable in at least one lubricated bearing. A lubricant duct for lubricating the bearing extends along the first shaft. A turbine, having blades engaging radially in the lubricant duct and oriented warped to the axis of the first shaft, is situated in the lubricant duct.Type: GrantFiled: January 27, 2011Date of Patent: March 18, 2014Assignee: GM Global Technology Operations LLCInventors: Eckhard Kirchner, Jo Vermeulen, Richard Tamba
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Patent number: 8550214Abstract: A machine includes, but is not limited to at least one first shaft, which is mounted so it is rotatable in a housing, a lubricant duct extending in the first shaft along its axis, and at least one lubrication point, which is supplied with lubricant via a supply line comprising the lubricant duct. A section of the supply line runs in a first wall of the housing between an outlet opening of the lubricant duct and the lubrication point.Type: GrantFiled: January 27, 2011Date of Patent: October 8, 2013Assignee: GM Global Technology Operations LLCInventors: Eckhard Kirchner, Jo Vermeulen, Richard Tamba
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Patent number: 8529402Abstract: A pump arrangement for fluid in an automotive transmission system includes, but is not limited to a first, low-pressure pump stage and a second, high-pressure pump stage, the first pump stage supplying low-pressure fluid to a lubrication/cooling system and to the inlet of second pump stage, which supplies high pressure fluid to a hydraulic control system. Fluid from both systems is returned via a reservoir and filter to the first pump stage.Type: GrantFiled: October 22, 2010Date of Patent: September 10, 2013Assignee: GM Global Technology Operations LLCInventor: Eckhard Kirchner
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Publication number: 20110239859Abstract: A piston arrangement includes, but is not limited to a hydraulically-actuated piston to move a piston rod within a cylinder to pivot a clutch actuating lever, the end of the cylinder being sealed by a boot-type seal having a central hole, though which the rod slides in a reciprocating manner. The seal is flexible to permit transverse movements of the piston rod and has a peripheral flange by means of which it is attached to the cylinder end.Type: ApplicationFiled: March 8, 2011Publication date: October 6, 2011Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Eckhard KIRCHNER, Paul DONNELY, Simon FITZGERALD, Lou VILLANUEVA
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Publication number: 20110226086Abstract: An actuation system for a clutch-by-wire system includes, but is not limited to a clutch pedal, at least one position sensor sensing the actual position of the clutch pedal and providing a position signal, and at least one spring providing a load, against which the clutch pedal is movable. The spring characteristic of the at least one spring is adjustable.Type: ApplicationFiled: September 23, 2009Publication date: September 22, 2011Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Eckhard Kirchner
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Publication number: 20110214532Abstract: A double clutch includes, but is not limited to an inner clutch for connecting to an inner input shaft to a crankshaft of an engine. The double clutch also includes, but is not limited to an outer clutch for connecting to an outer input shaft to the crankshaft. The double clutch further includes, but is not limited to one or more differentiators coupled to at least one levers of the two clutches for providing adjustments in stroke distance to at least one of the two clutches for clutching.Type: ApplicationFiled: March 7, 2011Publication date: September 8, 2011Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Eckhard KIRCHNER
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Publication number: 20110218719Abstract: A powertrain of a vehicle includes, but is not limited to a prime drive coupleable to a multi-speed transmission by actuation of one or more clutches and a system for operating the powertrain for clutch protection. The system includes, but is not limited to an estimator for estimating the thermal load on the clutch from drive resistance of the vehicle and the torque deliverable by the prime drive at a sensed position of the throttle and an apparatus for increasing the torque delivered by the prime drive to above the estimated torque at the sensed position of the throttle to reduce the thermal load on the clutch if the estimated thermal load on the clutch is higher than the predetermined threshold.Type: ApplicationFiled: March 1, 2011Publication date: September 8, 2011Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Eckhard KIRCHNER
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Publication number: 20110180352Abstract: A machine includes, but is not limited to at least one first shaft, which is mounted so it is rotatable in a housing, a lubricant duct extending in the first shaft along its axis, and at least one lubrication point, which is supplied with lubricant via a supply line comprising the lubricant duct. A section of the supply line runs in a first wall of the housing between an outlet opening of the lubricant duct and the lubrication point.Type: ApplicationFiled: January 27, 2011Publication date: July 28, 2011Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Eckhard KIRCHNER, Jo VERMEULEN, Richard TAMBA
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Publication number: 20110179897Abstract: A machine has a shaft rotatable in at least one lubricated bearing. A lubricant duct for lubricating the bearing extends along the first shaft. A turbine, having blades engaging radially in the lubricant duct and oriented warped to the axis of the first shaft, is situated in the lubricant duct.Type: ApplicationFiled: January 27, 2011Publication date: July 28, 2011Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Eckhard KIRCHNER, Jo VERMEULEN, Richard TAMBA
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Publication number: 20110174103Abstract: There is provided a double clutch for connecting a crankshaft of an engine to one of two input shafts of a gearbox for engine torque transmission. The double clutch includes, but is not limited to a first clutch for selectively connecting a first input shaft of the gearbox to the crankshaft, a second clutch for selectively connecting a second input shaft of the gearbox to the crankshaft, and an actuator coupled to both the first clutch and the second clutch. The actuator is operable to move the first clutch and the second clutch between a default position and an activated position. In the default position, the first clutch connects the first input shaft to the crankshaft while the second clutch disconnects the second input shaft from the crankshaft. In the activated position, the first clutch disconnects the first input shaft from the crankshaft while the second clutch connects the second input shaft to the crankshaft. The crankshaft is always connected to one of the input shafts.Type: ApplicationFiled: January 19, 2011Publication date: July 21, 2011Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Eckhard Kirchner, Mikael Westerberg