Patents by Inventor Michael Wirachowski
Michael Wirachowski 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: 11946521Abstract: A stop assembly for damper masses of a damper system has a stop device and a stop device carrier which holds the stop device. The stop device has at least one shoulder, which is intended to engage in at least one associated receiving portion of the stop device carrier. In at least one support region, the shoulder is oversized relative to the associated receiving portion to facilitate captive engagement in the receiving portion, and, at a distance from the at least one support region, the shoulder is undersized relative to the associated receiving portion to facilitate assembly-simplifying engagement in the receiving portion.Type: GrantFiled: May 8, 2020Date of Patent: April 2, 2024Assignee: ZF Friedrichshafen AGInventors: Jörg Bender, Michael Wirachowski, Matthias Kram, Kyrill Siemens, Volker Stampf, Reinhold Fischer
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Publication number: 20220186813Abstract: A stop assembly for damper masses of a damper system has a stop device and a stop device carrier which holds the stop device. The stop device has at least one shoulder, which is intended to engage in at least one associated receiving portion of the stop device carrier. In at least one support region, the shoulder is oversized relative to the associated receiving portion to facilitate captive engagement in the receiving portion, and, at a distance from the at least one support region, the shoulder is undersized relative to the associated receiving portion to facilitate assembly-simplifying engagement in the receiving portion.Type: ApplicationFiled: May 8, 2020Publication date: June 16, 2022Inventors: Jörg Bender, Michael Wirachowski, Matthias Kram, Kyrill Siemens, Volker Stampf, Reinhold Fischer
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Patent number: 11047461Abstract: A torque transmission assembly (20) for a drive system of a vehicle, includes a housing (26), an input-side friction surface arrangement which is coupled to the housing (26) for corotation around a rotational axis (A), an output-side friction surface arrangement which is coupled to a drive member (36) for corotation around the rotational axis (A) and a deflection mass arrangement (50) with a deflection mass carrier (52) and at least one deflection mass (54) supported at the deflection mass carrier (52) and which can be deflected from a basic relative position with respect to the deflection mass carrier (52). The torque transmission assembly (20) does not comprise a torsional vibration damper arrangement, and/or the deflection mass carrier (52) is connected to the housing (26) so as to be fixed with respect to rotation relative to the housing for corotation around the rotational axis (A).Type: GrantFiled: December 18, 2017Date of Patent: June 29, 2021Assignee: ZF FRIEDRICHSHAFEN AGInventors: Michael Wirachowski, Sebastian Neugebauer, Andreas Orlamünder, Christoph Sasse, Christoph Fauss, Stefan Herzog
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Publication number: 20200247229Abstract: A hybrid drive module (1) for a motor vehicle includes a housing (GG), a torque converter (TC), and an electric machine with a rotor (R) and a stator (S). The rotor (R) is arranged on a rotor carrier (RT), which is fixedly connected to a hub (N). The hub (N) is rotatably supported via at least one first bearing (L1) and is supported in radial and axial directions against a bearing shield (LS). The hub (N) is rotationally fixed to a converter housing (TCH) of the torque converter (TC) via a rivet joint (RI) or a screw connection. A drive train for a motor vehicle including such a hybrid drive module (1) is also provided.Type: ApplicationFiled: September 6, 2018Publication date: August 6, 2020Inventors: Thomas Riedisser, Robert Reiser, Gerald Viernekes, Jürgen Dacho, Thomas Bauer, Monika Rössner, Stephan Stroph, Linus Eschenbeck, Christopher Allnoch, Erwin Wack, Mario Kensy, Peter Frey, Christian Wickel, Michael Wirachowski
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Patent number: 10690220Abstract: A mass damper system with a damper mass support receives a damper mass. A guide track and damper mass are in operative connection with one another by a coupling element movable in the guide track between a central position in which the coupling element is free from deflection in circumferential direction of the guide tracks and a deflection position out of the central position. The guide tracks and the coupling element are configured for an order that depends on the number of cylinders of the respective exciting drive. The guide tracks are tailored with respect to their geometric configuration for excitations of a virtual order between a first order associated with excitations of a drive with a first number of cylinders and a second order with which are associated with excitations of a drive with a second number of cylinders.Type: GrantFiled: October 7, 2014Date of Patent: June 23, 2020Assignee: ZF Friedrichshafen AGInventor: Michael Wirachowski
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Publication number: 20190359049Abstract: A torque transmission assembly (20) for a drive system of a vehicle, includes a housing (26), an input-side friction surface arrangement which is coupled to the housing (26) for corotation around a rotational axis (A), an output-side friction surface arrangement which is coupled to a drive member (36) for corotation around the rotational axis (A) and a deflection mass arrangement (50) with a deflection mass carrier (52) and at least one deflection mass (54) supported at the deflection mass carrier (52) and which can be deflected from a basic relative position with respect to the deflection mass carrier (52). The torque transmission assembly (20) does not comprise a torsional vibration damper arrangement, and/or the deflection mass carrier (52) is connected to the housing (26) so as to be fixed with respect to rotation relative to the housing for corotation around the rotational axis (A).Type: ApplicationFiled: December 18, 2017Publication date: November 28, 2019Inventors: Michael WIRACHOWSKI, Sebastian NEUGEBAUER, Andreas ORLAMÜNDER, Christoph SASSE, Christoph FAUSS, Stefan HERZOG
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Patent number: 10487910Abstract: A tuned mass vibration damper for damping a vibration component of a rotational movement, includes at least three damper masses, at least one guide component part to movably guide the at least three damper masses such that the damper masses are arranged so as to be offset along a circumferential direction perpendicular to an axis of rotation and can carry out the oscillations, and a damping component part rotatable around the axis of rotation of the rotational movement opposite to the at least one guide component part and which comprises a support structure and at least two damping structures connected to the support structure. The damping structures extend radially from the support structure and are constructed and arranged such that one damping structure of the at least two damping structures when making contact with one of two adjacent damper masses prevents a contact of the two adjacent damper masses.Type: GrantFiled: August 15, 2017Date of Patent: November 26, 2019Assignee: ZF Friedrichshafen AGInventors: Kyrill Siemens, Michael Wirachowski
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Patent number: 10393223Abstract: A coupling arrangement is provided with a vibration reduction device and with a clutch device. The vibration reduction device has at least one torsional vibration damper, an input connected to a drive, and an output connected to the clutch device by which a connection between the vibration reduction device and a driven end is at least substantially produced in a first operating state, and this connection is at least substantially cancelled in a second operating state. The vibration reduction device has a mass damper system that cooperates with the torsional vibration damper and is connected to the output of the vibration reduction device.Type: GrantFiled: September 15, 2015Date of Patent: August 27, 2019Assignee: ZF Friedrichshafen AGInventors: Martin Hertel, Christian Weber, Joerg Sudau, Thomas Bauer, Michael Winterstein, Michael Wirachowski, Axel Rohm, Oliver Andres, Christian Wickel, Florian Postler, Matthias Kram, Nathalie Werner
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Patent number: 10100898Abstract: A torsional vibration damper has a damper mass carrier at which is received at least one damper mass movable relative to the damper mass carrier and with at least one stop. The at least one damper mass has a stop side with a geometric shaping. At least one stop is associated with the damper mass, and has an axial overlap with the at least one damper mass in extension direction of a central axis and a stop profile at its side facing the stop side of the damper mass. At least one stop receiver is associated with the least one stop for the at least one damper mass. The geometric shaping which is provided at the at least one damper mass has a first contact region operative at least substantially in radial direction and a second contact region operative at least substantially in tangential direction. The first contact region can be brought into operative connection with the stop, and the second contact region can be brought into operative connection with the stop receiver.Type: GrantFiled: September 30, 2013Date of Patent: October 16, 2018Assignee: ZF Friedrichshafen AGInventors: Matthias Kram, Volker Stampf, Jörg Sudau, Christoph Sasse, Armin Stürmer, Michael Wirachowski, Ying Dong, Friedrich Kokott, Daniel Pittner, Oliver Andres, Simone Vierneusel, Dennis Egler
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Patent number: 9909644Abstract: A tuned mass vibration damper for damping a vibration component of a rotational movement, has at least one guide component part configured to movably guide the damper masses such that the damper masses are offset along a circumferential direction, and a dimensionally stable spacer component part that is rotatable relative to the guide component part and which has a positive engagement connection with clearance with the damper masses that are configured such that, starting from a center position of the damper masses with respect to the spacer component part, when one of the damper masses executes an oscillation which overcomes a clearance in the connections of two of the damper masses with respect to the spacer component part, the spacer component part is rotated along the circumferential direction such that it drives the other damper mass of the two damper masses along the circumferential direction.Type: GrantFiled: February 19, 2014Date of Patent: March 6, 2018Assignee: ZF Friedrichshafen AGInventors: Stojan Cegar, Michael Wirachowski, Kyrill Siemens
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Publication number: 20180045268Abstract: A tuned mass vibration damper (300), for example, for a drivetrain of a motor vehicle, for damping a vibration component of a rotational movement, includes at least three damper masses (110), at least one guide component part (130) to movably guide the at least three damper masses (110) such that the damper masses (110) are arranged so as to be offset along a circumferential direction (160) perpendicular to an axis of rotation (140) and can carry out the oscillations, and a damping component part (310) rotatable around the axis of rotation (140) of the rotational movement opposite to the at least one guide component part (130) and which comprises a support structure (340) and at least two damping structures (350) connected to the support structure (340).Type: ApplicationFiled: August 15, 2017Publication date: February 15, 2018Inventors: Kyrill Siemens, Michael Wirachowski
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Patent number: 9726254Abstract: A tuned mass vibration damper included at least one damper mass and at least one guide component part to movably guide the at least one damper mass. The damper mass has a retaining component part which is at least partially arranged in a receiving recess of the damper mass. The retaining component part has at least one retaining structure and the at least one guide component part has at least one mating retaining structure to limit a movement of the at least one damper mass relative to the at least one guide component part in that the retaining structure and the mating retaining structure come in contact with one another. The at least one damper mass drives the retaining component part during a movement of the damper mass along a circumferential direction and to allow a relative movement of the retaining component part (350) with respect to the damper mass which results in a change in a radial distance of the retaining structure from the axis of rotation.Type: GrantFiled: June 12, 2014Date of Patent: August 8, 2017Assignee: ZF Friedrichshafen AGInventors: Kyrill Siemens, Michael Wirachowski
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Publication number: 20170219048Abstract: A coupling arrangement is provided with a vibration reduction device and with a clutch device. The vibration reduction device has at least one torsional vibration damper, an input connected to a drive, and an output connected to the clutch device by which a connection between the vibration reduction device and a driven end is at least substantially produced in a first operating state, and this connection is at least substantially cancelled in a second operating state. The vibration reduction device has a mass damper system that cooperates with the torsional vibration damper and is connected to the output of the vibration reduction device.Type: ApplicationFiled: September 15, 2015Publication date: August 3, 2017Applicant: ZF FRIEDRICHSHAGEN AGInventors: Martin HERTEL, Christian WEBER, Joerg SUDAU, Thomas BAUER, Michael WINTERSTEIN, Michael WIRACHOWSKI, Axel ROHM, Oliver ANDRES, Christian WICKEL, Florian POSTLER, Matthias KRAM, Nathalie WERNER
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Patent number: 9638283Abstract: A torsional vibration damper is provided with a damper mass carrier at which is received at least one damper mass that is movable relative to the damper mass carrier and at least one stop. The at least one stop is associated with each stop side of the at least one damper mass. The at least one damper mass and the stop have an extension in extension direction of a central axis. The at least one damper mass has a plurality of damper mass elements in extension direction of the central axis, while the stop has in extension direction of the central axis a stop profile at its side facing the stop sides of the damper mass elements. The stop profile has different radial distances from the central axis in association with the damper mass elements.Type: GrantFiled: September 30, 2013Date of Patent: May 2, 2017Assignee: ZF Friedrichshafen AGInventors: Michael Wirachowski, Matthias Kram, Ying Dong, Volker Stampf, Jörg Sudau, Armin Stürmer, Friedrich Kokott, Christoph Sasse, Daniel Pittner, Oliver Andres, Simone Vierneusel, Dennis Egler, Kyrill Siemens
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Publication number: 20160298721Abstract: A tuned mass vibration damper for damping a vibration component of a rotational movement, has at least one guide component part configured to movably guide the damper masses such that the damper masses are offset along a circumferential direction, and a dimensionally stable spacer component part that is rotatable relative to the guide component part and which has a positive engagement connection with clearance with the damper masses that are configured such that, starting from a center position of the damper masses with respect to the spacer component part, when one of the damper masses executes an oscillation which overcomes a clearance in the connections of two of the damper masses with respect to the spacer component part, the spacer component part is rotated along the circumferential direction such that it drives the other damper mass of the two damper masses along the circumferential direction.Type: ApplicationFiled: February 19, 2014Publication date: October 13, 2016Inventors: Stojan CEGAR, Michael WIRACHOWSKI, kyrill SIEMENS
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Publication number: 20160273614Abstract: A mass damper system with a damper mass support receives a damper mass. A guide track and damper mass are in operative connection with one another by a coupling element movable in the guide track between a central position in which the coupling element is free from deflection in circumferential direction of the guide tracks and a deflection position out of the central position. The guide tracks and the coupling element are configured for an order that depends on the number of cylinders of the respective exciting drive. The guide tracks are tailored with respect to their geometric configuration for excitations of a virtual order between a first order associated with excitations of a drive with a first number of cylinders and a second order with which are associated with excitations of a drive with a second number of cylinders.Type: ApplicationFiled: October 7, 2014Publication date: September 22, 2016Inventor: Michael WIRACHOWSKI
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Publication number: 20160131220Abstract: A tuned mass vibration damper included at least one damper mass and at least one guide component part to movably guide the at least one damper mass. The damper mass has a retaining component part which is at least partially arranged in a receiving recess of the damper mass. The retaining component part has at least one retaining structure and the at least one guide component part has at least one mating retaining structure to limit a movement of the at least one damper mass relative to the at least one guide component part in that the retaining structure and the mating retaining structure come in contact with one another. The at least one damper mass drives the retaining component part during a movement of the damper mass along a circumferential direction and to allow a relative movement of the retaining component part (350) with respect to the damper mass which results in a change in a radial distance of the retaining structure from the axis of rotation.Type: ApplicationFiled: June 12, 2014Publication date: May 12, 2016Inventors: Kyrill SIEMENS, Michael WIRACHOWSKI
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Publication number: 20160033003Abstract: A tuned mass vibration damper (300), for example, for a drivetrain of a motor vehicle, for damping a vibration component of a rotational movement, includes at least three damper masses (110), at least one guide component part (130) to movably guide the at least three damper masses (110) such that the damper masses (110) are arranged so as to be offset along a circumferential direction (160) perpendicular to an axis of rotation (140) and can carry out the oscillations, and a damping component part (310) rotatable around the axis of rotation (140) of the rotational movement opposite to the at least one guide component part (130) and which comprises a support structure (340) and at least two damping structures (350) connected to the support structure (340).Type: ApplicationFiled: February 19, 2014Publication date: February 4, 2016Inventors: Kyrill SIEMENS, Michael WIRACHOWSKI
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Publication number: 20150316124Abstract: A torsional vibration damper is provided with a damper mass carrier at which is received at least one damper mass that is movable relative to the damper mass carrier and at least one stop. The at least one stop is associated with each stop side of the at least one damper mass. The at least one damper mass and the stop have an extension in extension direction of a central axis. The at least one damper mass has a plurality of damper mass elements in extension direction of the central axis, while the stop has in extension direction of the central axis a stop profile at its side facing the stop sides of the damper mass elements. The stop profile has different radial distances from the central axis in association with the damper mass elements.Type: ApplicationFiled: September 30, 2013Publication date: November 5, 2015Inventors: Michael WIRACHOWSKI, Matthias KRAM, Ying DONG, Volker STAMPF, Jörg SUDAU, Armin STÜRMER, Friedrich KOKOTT, Christoph SASSE, Daniel PITTNER, Oliver ANDRES, Simone VIERNEUSEL, Dennis EGLER, Kyrill SIEMENS
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Publication number: 20150285332Abstract: A torsional vibration damper has a damper mass carrier at which is received at least one damper mass movable relative to the damper mass carrier and with at least one stop. The at least one damper mass has a stop side with a geometric shaping. At least one stop is associated with the damper mass, and has an axial overlap with the at least one damper mass in extension direction of a central axis and a stop profile at its side facing the stop side of the damper mass. At least one stop receiver is associated with the least one stop for the at least one damper mass. The geometric shaping which is provided at the at least one damper mass has a first contact region operative at least substantially in radial direction and a second contact region operative at least substantially in tangential direction. The first contact region can be brought into operative connection with the stop, and the second contact region can be brought into operative connection with the stop receiver.Type: ApplicationFiled: September 30, 2013Publication date: October 8, 2015Inventors: Matthias Kram, Volker Stampf, Jörg Sudau, Christoph Sasse, Armin Stürmer, Michael Wirachowski, Ying Dong, Friedrich Kokott, Daniel Pittner, Oliver Andres, Simone Vierneusel, Dennis Egler