Patents by Inventor Reinhard Feldhaus

Reinhard Feldhaus 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).

  • Publication number: 20180328447
    Abstract: A torsional vibration damping arrangement for the powertrain of a vehicle includes an input region to be driven for rotation around a rotational axis (A) and an output region, there being provided between the input region and the output region a first torque transmission path and, parallel thereto, a second torque transmission path and a coupling arrangement. A phase shifter arrangement is provided in the first torque transmission path. The coupling arrangement is constructed as a magnetic coupling gear unit.
    Type: Application
    Filed: October 5, 2016
    Publication date: November 15, 2018
    Applicant: ZF FRIEDRICHSHAFEN AG
    Inventors: Tobias DIECKHOFF, Matthis FISCHER, Reinhard FELDHAUS
  • Publication number: 20180313426
    Abstract: A torsional vibration damping arrangement for the powertrain of a vehicle comprises an input region) to be driven for rotation around a rotational axis (A) and an output region), there being provided between the input region) and the output region) a first torque transmission path) and, parallel thereto, a second torque transmission path) and a coupling arrangement). A phase shifter arrangement) is provided in the first torque transmission path), and a torsional vibration modification arrangement) is arranged in the first torque transmission path) between the phase shifter arrangement) and the coupling arrangement) and/or a torsional vibration modification arrangement) is arranged in the second torque transmission path) upstream of the coupling arrangement).
    Type: Application
    Filed: October 5, 2016
    Publication date: November 1, 2018
    Inventors: Tobias DIECKHOFF, Matthias FISCHER, Reinhard FELDHAUS
  • Patent number: 10072624
    Abstract: A starting element (100) for use, for example, in a drivetrain of a motor vehicle, includes a piston (310) which divides a first volume (560) that can be filled with a fluid from a second volume (570) that can be filled with a fluid, wherein the piston (310) comprises at least one fluid passage (640) which allows the fluid at least occasionally to pass through the piston (310) from the first volume (560) into the second volume (570) and/or from the second volume (570) into the first volume (560). The at least one fluid passage (640) comprises a passage component part (650) and a receiving opening (660) in the piston (310). The passage component part (650) is inserted into the receiving opening so that at least one passage opening (670) is formed which allows the fluid to pass through at least occasionally.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: September 11, 2018
    Assignee: ZF Friedrichshafen AG
    Inventors: Ralf Fambach, Peter Frey, Michael Heuler, Reinhard Feldhaus, Horst Zinssmeister
  • Patent number: 9151375
    Abstract: A hydrodynamic coupling arrangement, particularly hydrodynamic torque converter, wherein at least one torsional vibration damper arrangement comprises at least two torsional vibration dampers which are arranged so as to be radially staggered and substantially aligned axially with respect to one another, wherein the first torsional vibration damper is arranged on the radially outer side of the second torsional vibration damper, and wherein the at least one torsional vibration damper arrangement is coupled with the other torsional vibration damper arrangement in an area radially between the first damper element unit and the second damper element unit.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: October 6, 2015
    Assignee: ZF Friedrichshafen AG
    Inventors: Matthias Kram, Michael Wirachowski, Monika Rössner, Jörg Sudau, Erwin Wack, Reinhard Feldhaus, Ralf Fambach
  • Patent number: 9133905
    Abstract: A torsional vibration damper arrangement includes a vibration damper device (10) having a deflection mass carrier (12) and at least one deflection mass (14) which is supported at the deflection mass carrier (12) such that it can be deflected out of a basic position at a maximum distance from the axis of rotation (A) into a deflection position at a shorter distance from the axis of rotation (A), wherein the secondary side (96) has at least one circumferential supporting element (102, 104; 102?) having at least one circumferential supporting region (106, 108) and a secondary-side mass element (98) which is preferably shaped like an annular disk. First connection elements (118) connect the secondary-side mass element (98) to the at least one circumferential supporting element (98) and to the deflection mass carrier (12).
    Type: Grant
    Filed: April 11, 2011
    Date of Patent: September 15, 2015
    Assignee: ZF Friedrichshafen AG
    Inventors: Bernhard Schierling, Michael Traut, Horst Zinssmeister, Reinhard Feldhaus, Mathias Kopp, Andreas Orlamünder
  • Patent number: 8960396
    Abstract: A torsional vibration damper arrangement including a torsional vibration damper with a primary side and a secondary side rotatable with respect to the primary side around an axis of rotation against the action of a damper spring arrangement. One side of the primary side and secondary side includes two cover disk elements and a central disk element arranged between the cover disk elements. The cover disk elements are connected to one another by first connection elements radially inside the damper spring arrangement so as to be fixed axially and so as to transmit torque. The cover disk elements are connected to one another by second connection elements in such a way that they are prevented from moving axially away from one another. No torque can be transmitted between the cover disk elements by the second connection elements.
    Type: Grant
    Filed: October 9, 2009
    Date of Patent: February 24, 2015
    Assignee: ZF Friedrichshafen AG
    Inventors: Reinhard Feldhaus, Christian Wickel, Norbert Ament, Alexander Markow, Michael Peterseim, Erwin Wack, Thomas Krüger
  • Publication number: 20140345553
    Abstract: A starting element (100) for use, for example, in a drivetrain of a motor vehicle, includes a piston (310) which divides a first volume (560) that can be filled with a fluid from a second volume (570) that can be filled with a fluid, wherein the piston (310) comprises at least one fluid passage (640) which allows the fluid at least occasionally to pass through the piston (310) from the first volume (560) into the second volume (570) and/or from the second volume (570) into the first volume (560). The at least one fluid passage (640) comprises a passage component part (650) and a receiving opening (660) in the piston (310). The passage component part (650) is inserted into the receiving opening so that at least one passage opening (670) is formed which allows the fluid to pass through at least occasionally.
    Type: Application
    Filed: May 21, 2014
    Publication date: November 27, 2014
    Inventors: Ralf FAMBACH, Peter FREY, Michael HEULER, Reinhard FELDHAUS, Horst ZINSSMEISTER
  • Publication number: 20130139641
    Abstract: A torsional vibration damper arrangement includes a vibration damper device (10) having a deflection mass carrier (12) and at least one deflection mass (14) which is supported at the deflection mass carrier (12) such that it can be deflected out of a basic position at a maximum distance from the axis of rotation (A) into a deflection position at a shorter distance from the axis of rotation (A), wherein the secondary side (96) has at least one circumferential supporting element (102, 104; 102?) having at least one circumferential supporting region (106, 108) and a secondary-side mass element (98) which is preferably shaped like an annular disk. First connection elements (118) connect the secondary-side mass element (98) to the at least one circumferential supporting element (98) and to the deflection mass carrier (12).
    Type: Application
    Filed: April 11, 2011
    Publication date: June 6, 2013
    Applicant: ZF Friedrichshafen AG
    Inventors: Bernhard Schierling, Michael Traut, Horst Zinssmeister, Reinhard Feldhaus, Mathias Kopp, Andreas Orlamünder
  • Publication number: 20120273317
    Abstract: A hydrodynamic coupling arrangement, particularly hydrodynamic torque converter, wherein at least one torsional vibration damper arrangement comprises at least two torsional vibration dampers which are arranged so as to be radially staggered and substantially aligned axially with respect to one another, wherein the first torsional vibration damper is arranged on the radially outer side of the second torsional vibration damper, and wherein the at least one torsional vibration damper arrangement is coupled with the other torsional vibration damper arrangement in an area radially between the first damper element unit and the second damper element unit.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 1, 2012
    Applicant: ZF Friedrichshafen AG
    Inventors: Matthias KRAM, Michael Wirachowski, Monika Rössner, Jörg Sudau, Erwin Wack, Reinhard Feldhaus, Ralf Fambach
  • Publication number: 20110226576
    Abstract: A torsional vibration damper arrangement including a torsional vibration damper with a primary side and a secondary side rotatable with respect to the primary side around an axis of rotation against the action of a damper spring arrangement. One side of the primary side and secondary side includes two cover disk elements and a central disk element arranged between the cover disk elements. The cover disk elements are connected to one another by first connection elements radially inside the damper spring arrangement so as to be fixed axially and so as to transmit torque. The cover disk elements are connected to one another by second connection elements in such a way that they are prevented from moving axially away from one another. No torque can be transmitted between the cover disk elements by the second connection elements.
    Type: Application
    Filed: October 9, 2009
    Publication date: September 22, 2011
    Applicant: ZF Friedrichshafen AG
    Inventors: Reinhard Feldhaus, Christian Wickel, Norbert Ament, Alexander Markow, Michael Peterseim, Erwin Wack, Thomas Krüger
  • Patent number: 7484607
    Abstract: A torsional vibration damper in a gearbox housing has an input part connected to a drive and acts on a first damping unit and an intermediate part which acts as the output of the first damping unit and as the input of a second damping unit. The torsional vibration damper further has an output part which is in working connection with the second damping unit and which is designed to accept a takeoff. Takeoff-side drive elements of the intermediate part, the second damping unit, and the takeoff are mounted in a torque-transmitting space of a clutch device, which space is provided with at least one inlet and at least one outlet. A sealing wall separates the torque-transmitting space from a damping space including the first damping unit.
    Type: Grant
    Filed: March 1, 2006
    Date of Patent: February 3, 2009
    Assignee: ZF Friedrichshafen AG
    Inventors: Hans-Jürgen Schneider, Thomas Walter, Alexander Markow, Thomas Dögel, Wolfgang Grosspietsch, Rainer Brand, Hilmar Göbel, Reinhard Feldhaus, Jürgen Weth, Stefan Zopf
  • Publication number: 20080261706
    Abstract: A torsional vibration damper includes a primary side having a pair of axially spaced cover disk elements which are fixed to each other, and a central disk element axially between the cover disk elements, wherein each disk element has a like plurality of circumferentially arranged openings, and each opening has a pair of circumferential support areas. A like plurality of damping element units are arranged in respective sets of openings, and are supported against the circumferential support areas. A radial support surface supports each damping element unit in a radially outward direction, each radial support surface extending without curvature in the axial direction.
    Type: Application
    Filed: April 18, 2008
    Publication date: October 23, 2008
    Applicant: ZF Friedrichshafen AG
    Inventors: Norbert Ament, Reinhard Feldhaus, Erwin Wack, Michael Peterseim, Alexander Markow
  • Patent number: 7264100
    Abstract: A dual clutch assembly includes a torsional vibration damper and a dual clutch. The vibration damper has a primary side which can be coupled to a driving member for joint rotation about an axis, a secondary side which is rotatable about the axis, and a damper element arrangement between the primary side and the secondary side. The dual clutch includes an input area and two output areas, the input area supporting the secondary side of the torsional vibration damper in at least one of an axial and radial direction with respect to the primary side, each output area being coupleable with a respective driven member so as to be fixed against rotation with respect to the driven member. A bearing arrangement supports the input area in at least one of an axial and a radial direction with respect to a stationary subassembly.
    Type: Grant
    Filed: November 18, 2003
    Date of Patent: September 4, 2007
    Assignee: ZF Friedrichshafen AG
    Inventors: Reinhard Feldhaus, Markus Heiartz, Igor Kister, Thomas Dögel, Sebastian Vogt
  • Publication number: 20060196751
    Abstract: A torsional vibration damper in a gearbox housing, equipped with an input part, which is connected to a drive and acts on a first damping unit; and an intermediate part. The intermediate part, in its first capacity, acts as the output of the first damping unit and has drive-side drive elements to interact with the first damping unit, and in its second capacity, acts as the input of a second damping unit and has takeoff-side drive elements to interact with the second damping unit. The torsional vibration damper further has an output part, which is in working connection with the second damping unit and which is designed to accept a takeoff. The takeoff-side drive elements of the intermediate part, the second damping unit, and the takeoff are mounted in a torque-transmitting space of a clutch device, which space is provided with at least one inlet and at least one outlet.
    Type: Application
    Filed: March 1, 2006
    Publication date: September 7, 2006
    Inventors: Hans-Jurgen Schneider, Thomas Walter, Alexander Markow, Thomas Dogel, Wolfgang Grosspietsch, Rainer Brand, Hilmar Gobel, Reinhard Feldhaus, Jurgen Weth, Stefan Zopf
  • Publication number: 20060163019
    Abstract: A dual clutch assembly includes a torsional vibration damper and a dual clutch. The vibration damper has a primary side which can be coupled to a driving member for joint rotation about an axis, a secondary side which is rotatable about the axis, and a damper element arrangement between the primary side and the secondary side. The dual clutch includes an input area and two output areas, the input area supporting the secondary side of the torsional vibration damper in at least one of an axial and radial direction with respect to the primary side, each output area being coupleable with a respective driven member so as to be fixed against rotation with respect to the driven member. A bearing arrangement supports the input area in at least one of an axial and a radial direction with respect to a stationary subassembly.
    Type: Application
    Filed: November 18, 2003
    Publication date: July 27, 2006
    Inventors: Reinhard Feldhaus, Markus Heiartz, Igor Kister, Thomas Dogel, Sebastian Vogt
  • Patent number: 6830139
    Abstract: A multi-clutch arrangement, especially a dual clutch for motor vehicles, comprising a first clutch area with a first pressure plate arrangement, with a first opposing support arrangement, and with a first clutch disk arrangement, which can be clamped between the first pressure plate arrangement and the first opposing support arrangement to transmit torque via the first clutch area; and a second clutch area with a second pressure plate arrangement, with a second opposing support arrangement, and with a second clutch disk arrangement, which can be clamped between the second pressure plate arrangement and the second opposing support arrangement to transmit torque via the second clutch area. A torsional vibration damper arrangement is assigned to at least one of the clutch areas, and where—relative to an axis of rotation (A)—the torsional vibration damper arrangement is arranged at least partially in the axial area of the first clutch area and/or of the second clutch area.
    Type: Grant
    Filed: October 8, 2002
    Date of Patent: December 14, 2004
    Assignee: ZF Sachs AG
    Inventors: Cora Carlson, Jürgen Weth, Igor Kister, Bernd Peinemann, Reinhard Feldhaus, Hartmut Bach
  • Patent number: 6814205
    Abstract: A dual clutch arrangement including two clutch areas, each with a pressure plate connected to a housing arrangement for rotation in common around an axis of rotation (A) and which can be shifted in the axial direction with respect to the housing; and a clutch disk, the friction surface areas of which can be clamped between the respective pressure plate and an opposing support arrangement. Each of the clutch disks is designed to be connected nonrotatably to a different power takeoff element. In addition a clutch cooling arrangement, through which a coolant can flow, is installed adjacent to the clutch areas.
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: November 9, 2004
    Assignee: ZF Sachs AG
    Inventors: Reinhard Feldhaus, Markus Heiartz, Andreas Orlamünder, Jochen Kuhstrebe, Wolfgang Reisser, Thomas Wirth, Michael Peterseim, Jürgen Dudenhöffer, Manfred Zimmer
  • Publication number: 20040118655
    Abstract: A torque transmission arrangement includes a torsional-vibration damper arrangement having a primary side for fixing to a drive member and a secondary side rotatable about an axis of rotation (A) with respect to the primary side counter to the action of a damper element arrangement. A double clutch arrangement is coupled to the secondary side of the torsional-vibration damper arrangement and has a first clutch region for selective torque transmission coupling to a first output member and a second clutch region for selective torque transmission coupling to a second output member. A selectively activatable rotary-state influencing arrangement can limit the rotational movement of the secondary side with respect to the primary side and/or to a subassembly essentially nonrotatable about the axis of rotation (A).
    Type: Application
    Filed: October 21, 2003
    Publication date: June 24, 2004
    Applicant: ZF Sachs AG
    Inventors: Thomas Dogel, Igor Kister, Reinhard Feldhaus
  • Patent number: 6742412
    Abstract: A drive system that includes a drive shaft, which is or can be brought into torque-transmitting connection with a drive train, a secondary drive system for transmitting torque between the drive shaft and at least one auxiliary unit, and at least one vibration-damping device including a deflection mass carrier with freedom to rotate around a rotational axis and at least one deflection mass, which can shift position relative to the deflection mass carrier in at least one deflection plane. Upon deflection of the at least one deflection mass from the home position relative to the deflection mass carrier, the radial position of the deflection mass changes relative to the rotational axis. At least part of the vibration-damping device can be integrated into part of the secondary drive system.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: June 1, 2004
    Assignee: Mannesmann Sachs AG
    Inventors: Reinhard Feldhaus, Jürgen Weth, Bernd Peinemann
  • Patent number: 6719112
    Abstract: A torsion damping mechanism with a torsion damper with an input side and an output side, where the input side and the output side are connected elastically to each other by spring-type stored energy elements for rotation in common auxiliary mass which can rotate coaxially to the torsion damping mechanism is connected frictionally to the torsion damping mechanism by way of a friction area, where the frictional connection between the torsion damping mechanism and the auxiliary mass has a predetermined frictional moment. When this moment is exceeded during the occurrence of peaks in the torque being applied to the torsion damping mechanism, the auxiliary mass can slip or slips.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: April 13, 2004
    Assignee: Mannesmann Sachs AG
    Inventors: Bernd Peinemann, Jürgen Weth, Cora Carlson, Paul Kraus, Reinhard Feldhaus, Hartmut Bach