Patents by Inventor Martin Hassler
Martin Hassler 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: 20250202327Abstract: An electric machine has a stator and a rotor which is separated from the stator by an air gap. The rotor has at least one first rotor body, which has a first group of permanent magnets, and at least one second rotor body, which is arranged at an axial distance from the first rotor body) and has a second group of permanent magnets. A rotor shaft is coupled to the first rotor body and the second rotor coaxially within the first rotor body and the second rotor body so as to transmit a torque. At least the first rotor body is mounted on the rotor shaft so as to be rotatable relative to the second rotor body against the effect of a first torsional stiffness by means of a mechanical field-attenuation mechanism.Type: ApplicationFiled: March 15, 2023Publication date: June 19, 2025Applicant: Schaeffler Technologies AG & Co. KGInventors: Martin Häßler, Alain Rusch, Miriam Axtmann, Michael Kessler
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Patent number: 12320393Abstract: A friction device for a torsional vibration damper includes an axis of rotation, an input side with a first disc and a second disc, and an output side between the first disc and the second disc and rotatable relative to the input side. The output side has a first friction disc, a second friction disc, and a spring element between the first friction disc and the second friction disc. The spring element has first, second and third contact regions. At a first angle of rotation between the input side and the output side, an axial contact force between the first friction disc and the second friction disc is transmittable via the first contact region and the third contact region. At a second angle of rotation, different than the first angle of rotation, the axial contact force is transmittable via the second contact region and the third contact region.Type: GrantFiled: January 29, 2021Date of Patent: June 3, 2025Assignee: Schaeffler Technologies AG &Co. KGInventors: Martin Häßler, Alain Rusch, Timm Gmeiner, Thorsten Hartmann
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Patent number: 12162327Abstract: A pendulum rocker damper with a rotation axis includes an input side with first and second input-side counter tracks, an output side with first and second output-side counter tracks, a stored energy source, and rocker elements disposed at opposite axial ends of the stored energy source. Each of the rocker elements has three axially offset partial tracks forming an input-side roller track and an output-side roller track. A first input-side rolling element is clamped between the first input-side counter track and a first input-side roller track and a second input-side rolling element is clamped between the second input-side counter track and a second input-side roller track. A first output-side rolling element is clamped between the first output-side counter track and a second output-side roller track and a second output-side rolling element is clamped between the second output-side counter track and a second output-side roller track.Type: GrantFiled: January 18, 2022Date of Patent: December 10, 2024Assignee: Schaeffler Technologies AG & Co. KGInventors: Alain Rusch, Martin Häßler, Michael Kessler, Olaf Werner
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Publication number: 20240376940Abstract: A booster clutch includes a pilot-control clutch, a booster output side, a booster input side, a rocker element, a first energy storage element and a drum. The pilot-control clutch has a friction pack and a torque is frictionally transmittable when the friction pack is in a pressed state. The booster output side is torsionally fixed to a pilot-control input side and the booster input side is arranged to be torsionally fixed to an input shaft. The first roller is arranged via a ramp pairing between the rocker element and the booster input or output side. The first energy storage element is arranged between the rocker element and the booster output or input side, or is arranged to transmit a radial force to the rocker element. The first roller applies a predetermined torque over the booster input and output side, and presses the rocker element radially against the drum.Type: ApplicationFiled: September 14, 2022Publication date: November 14, 2024Applicant: Schaeffler Technologies AG & Co. KGInventors: Alain Rusch, Martin Häßler, Sebastian Kaiser, Marc Finkenzeller
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Patent number: 12140193Abstract: A torsional vibration damper includes a common axis of rotation extending along an axial direction, an input part, an output part, rotatable relative to the input part in a limited manner with torque transmission, and a ramp system. The ramp system includes an axially displaceable component, a plurality of rolling elements for converting rotation of the input part relative to the output part into an axial shifting of the axially displaceable component, and a plurality of energy storage elements. The plurality of energy storage elements are arranged distributed along a circumferential direction, extend along the axial direction, and are elastically deformable in the axial direction.Type: GrantFiled: June 22, 2020Date of Patent: November 12, 2024Assignee: Schaeffler Technologies AG &Co. KGInventors: Alain Rusch, Martin Häßler, Michael Kessler, Laurent Theriot
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Patent number: 11982331Abstract: A torsional vibration damper includes an input part for introducing a torque, a first cam mechanism, an intermediate element, a compression spring engaged with the intermediate element, a second cam mechanism for discharging a vibration-damped torque, and a frictional element for friction damping. The intermediate element is coupled to the input part via the first cam mechanism such that a relative rotation between the input part and the intermediate element is converted into a linear movement of the intermediate element radially inward or radially outward. The output part is coupled to the intermediate element via the second cam mechanism such that a linear movement of the intermediate element is converted into a relative rotation between the output part and the intermediate element. The frictional element is pressed against the intermediate element or the output part. The frictional element may be movement-coupled to the intermediate element or the output part.Type: GrantFiled: March 18, 2019Date of Patent: May 14, 2024Assignee: Schaeffler Technologies AG & Co. KGInventors: Philippe Kremper, Alain Rusch, Martin Häßler
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Patent number: 11982332Abstract: A centrifugal pendulum for a motor vehicle drivetrain includes a carrier, a pendulum mass, mounting for pivoting relative to the carrier, and a roller body. The carrier has a carrier roller track and the pendulum mass has a pendulum mass roller track. The roller body has a first rolling region arranged in the carrier roller track and a second rolling region arranged in the pendulum mass roller track. The carrier roller track is formed at least partially by an axially formed sheet-metal portion having a free edge, and the free edge faces away from the pendulum mass.Type: GrantFiled: January 15, 2021Date of Patent: May 14, 2024Assignee: Schaeffler Technologies AG &Co. KGInventors: Alain Rusch, Martin Häßler, Martin Loth, Laurent Theriot
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Publication number: 20240109392Abstract: A pendulum rocker damper with a rotation axis includes an input side with first and second input-side counter tracks, an output side with first and second output-side counter tracks, a stored energy source, and rocker elements disposed at opposite axial ends of the stored energy source. Each of the rocker elements has three axially offset partial tracks forming an input-side roller track and an output-side roller track. A first input-side rolling element is clamped between the first input-side counter track and a first input-side roller track and a second input-side rolling element is clamped between the second input-side counter track and a second input-side roller track. A first output-side rolling element is clamped between the first output-side counter track and a second output-side roller track and a second output-side rolling element is clamped between the second output-side counter track and a second output-side roller track.Type: ApplicationFiled: January 18, 2022Publication date: April 4, 2024Applicant: Schaeffler Technologies AG & Co. KGInventors: Alain Rusch, Martin Häßler, Michael Kessler, Olaf Werner
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Patent number: 11940018Abstract: A torsional vibration damper includes an input part for introducing a torque, two intermediate elements, an energy storage element designed as a compression spring that acts on the intermediate elements, an output part for discharging a vibration-damped torque, and an elastic or resilient compensation part provided between the output part and the intermediate elements. The intermediate elements are designed as pendulum rockers and are movement-coupled to the input part. Each of the intermediate elements can move towards and away from the other in a linear motion. The output part is movement-coupled to the intermediate elements and rotatable relative to the intermediate elements. The compensation part is for eliminating play of the intermediate elements relative to the output part in an axial direction.Type: GrantFiled: March 18, 2019Date of Patent: March 26, 2024Assignee: Schaeffler Technologies AG & Co. KGInventors: Martin Häßler, Alain Rusch, Philippe Kremper, Yannick Strub, Laurent Theriot
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Patent number: 11913514Abstract: A torsional vibration damper includes an input side for receiving a torque, an output side for dispensing the torque, an intermediate element arranged for torque transmission between the input side and the output side, an energy storage element supporting the intermediate element such that it can vibrate relative to the input side and the output side, and a roll body. The intermediate element has a transmission path for the roll body. The input side or the output side forms a path side with a counter path that is complementary to the transmission path, and the other of the input side or the output side forms a force side. The roll body is guided in a rotatable manner between the transmission path and the counter path, and the energy storage element connects the force side to the intermediate element for torque transmission.Type: GrantFiled: January 29, 2020Date of Patent: February 27, 2024Assignee: Schaeffler Technologies AG & Co. KGInventors: Martin Häßler, Alain Rusch, Laurent Theriot, Michael Kessler
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Publication number: 20230358294Abstract: A centrifugal pendulum for a motor vehicle drivetrain includes a carrier, a pendulum mass, mounting for pivoting relative to the carrier, and a roller body. The carrier has a carrier roller track and the pendulum mass has a pendulum mass roller track. The roller body has a first rolling region arranged in the carrier roller track and a second rolling region arranged in the pendulum mass roller track. The carrier roller track is formed at least partially by an axially formed sheet-metal portion having a free edge, and the free edge faces away from the pendulum mass.Type: ApplicationFiled: January 15, 2021Publication date: November 9, 2023Applicant: Schaeffler Technologies AG & Co. KGInventors: Alain Rusch, Martin Häßler, Martin Loth, Laurent Theriot
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Publication number: 20230048844Abstract: A friction device for a torsional vibration damper includes an axis of rotation, an input side with a first disc and a second disc, and an output side between the first disc and the second disc and rotatable relative to the input side. The output side has a first friction disc, a second friction disc, and a spring element between the first friction disc and the second friction disc. The spring element has first, second and third contact regions. At a first angle of rotation between the input side and the output side, an axial contact force between the first friction disc and the second friction disc is transmittable via the first contact region and the third contact region. At a second angle of rotation, different than the first angle of rotation, the axial contact force is transmittable via the second contact region and the third contact region.Type: ApplicationFiled: January 29, 2021Publication date: February 16, 2023Applicant: Schaeffler Technologies AG & Co. KGInventors: Martin Häßler, Alain Rusch, Timm Gmeiner, Thorsten Hartmann
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Publication number: 20220260132Abstract: A torsional vibration damper includes a common axis of rotation extending along an axial direction, an input part, an output part, rotatable relative to the input part in a limited manner with torque transmission, and a ramp system. The ramp system includes an axially displaceable component, a plurality of rolling elements for converting rotation of the input part relative to the output part into an axial shifting of the axially displaceable component, and a plurality of energy storage elements. The plurality of energy storage elements are arranged distributed along a circumferential direction, extend along the axial direction, and are elastically deformable in the axial direction.Type: ApplicationFiled: June 22, 2020Publication date: August 18, 2022Applicant: Schaeffler Technologies AG & Co. KGInventors: Alain Rusch, Martin Häßler, Michael Kessler, Laurent Theriot
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Publication number: 20220163090Abstract: A torsional vibration damper includes an input side for receiving a torque, an output side for dispensing the torque, an intermediate element arranged for torque transmission between the input side and the output side, an energy storage element supporting the intermediate element such that it can vibrate relative to the input side and the output side, and a roll body. The intermediate element has a transmission path for the roll body. The input side or the output side forms a path side with a counter path that is complementary to the transmission path, and the other of the input side or the output side forms a force side. The roll body is guided in a rotatable manner between the transmission path and the counter path, and the energy storage element connects the force side to the intermediate element for torque transmission.Type: ApplicationFiled: January 29, 2020Publication date: May 26, 2022Applicant: Schaeffler Technologies AG & Co. KGInventors: Martin Häßler, Alain Rusch, Laurent Theriot, Michael Kessler
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Publication number: 20220145960Abstract: A torsional vibration damper includes an input side and an output side, first and second rolling bodies, an intermediate element for torque transmission between the input and output sides, and an energy storage element for supporting the intermediate element in an oscillating manner. The intermediate element has a first transmission path for rolling the first rolling body, and a second transmission path for rolling the second rolling body. The input side has a first counter path complementary to the first transmission path. The output side has a second counter path complementary to the second transmission path. The first rolling body is guided between the first transmission path and the first counter path, and the second rolling body is guided between the second transmission path and the second counter path. The energy storage element is arranged with a vector component that acts circumferentially on the intermediate element in a circumferential direction.Type: ApplicationFiled: December 5, 2019Publication date: May 12, 2022Applicant: Schaeffler Technologies AG & Co. KGInventors: Martin Häßler, Alain Rusch, Laurent Theriot, Michael Kessler
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Patent number: 11079295Abstract: A pressure sensor is configured to monitor a first resistance value of a first resistor and a second resistance value of a second resistor. The first resistor and the second resistor are configured to be sensing elements of a sensing component of a pressure sensor. The pressure sensor is configured to determine, based on a difference between the first resistance value and the second resistance value satisfying a threshold, that a measurement from the sensing component is unreliable. The pressure sensor is configured to perform, based on determining that the measurement from the sensing component is unreliable, an action associated with the pressure sensor.Type: GrantFiled: June 3, 2019Date of Patent: August 3, 2021Assignee: Infineon Technologies AGInventors: Francesco Solazzi, Martin Hassler, Christoph Steiner
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Patent number: 11015677Abstract: A torsional vibration damper (10) with a torque limiter includes an input part (14), an output part (18), and at least two torque-transmitting intermediate elements (20) arranged between the input part (14) and the output part (18) so as to move radially by cam mechanisms (22) in the case of a relative rotation of the input part (14) and the output part (18). In the case of a relative rotation between the input part and the output part, a torsional characteristic curve (32) of a drive torque over the rotary angle has a damper stage (34) and an end stage (36) which adjoins the damper stage (34), he damper stage (34) specifies a damper capacity of the drive torque over the rotary angle, and the end stage (36) includes a torque limitation of the drive torque over the rotary angle.Type: GrantFiled: May 4, 2018Date of Patent: May 25, 2021Assignee: Schaeffler Technologies AG & Co. KGInventors: Martin Häßler, Alain Rusch, Laurent Theriot
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Publication number: 20210033151Abstract: A torsional vibration damper includes an input part for introducing a torque, a first cam mechanism, an intermediate element, a compression spring engaged with the intermediate element, a second cam mechanism for discharging a vibration-damped torque, and a frictional element for friction damping. The intermediate element is coupled to the input part via the first cam mechanism such that a relative rotation between the input part and the intermediate element is converted into a linear movement of the intermediate element radially inward or radially outward. The output part is coupled to the intermediate element via the second cam mechanism such that a linear movement of the intermediate element is converted into a relative rotation between the output part and the intermediate element. The frictional element is pressed against the intermediate element or the output part. The frictional element may be movement-coupled to the intermediate element or the output part.Type: ApplicationFiled: March 18, 2019Publication date: February 4, 2021Applicant: Schaeffler Technologies AG & Co. KGInventors: Philippe Kremper, Alain Rusch, Martin Häßler
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Publication number: 20210018046Abstract: A torsional vibration damper includes an input part for introducing a torque, two intermediate elements, an energy storage element designed as a compression spring that acts on the intermediate elements, an output part for discharging a vibration-damped torque, and an elastic or resilient compensation part provided between the output part and the intermediate elements. The intermediate elements are designed as pendulum rockers and are movement-coupled to the input part. Each of the intermediate elements can move towards and away from the other in a linear motion. The output part is movement-coupled to the intermediate elements and rotatable relative to the intermediate elements. The compensation part is for eliminating play of the intermediate elements relative to the output part in an axial direction.Type: ApplicationFiled: March 18, 2019Publication date: January 21, 2021Applicant: Schaeffler Technologies AG & Co. KGInventors: Martin Häßler, Alain Rusch, Philippe Kremper, Yannick Strub, Laurent Theriot
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Publication number: 20200378851Abstract: A pressure sensor may monitor a first resistance value of a first resistor and a second resistance value of a second resistor. The first resistor and the second resistor may be sensing elements of a sensing component of a pressure sensor. The pressure sensor may determine, based on a difference between the first resistance value and the second resistance value satisfying a threshold, that a measurement from the sensing component is unreliable. The pressure sensor may perform, based on determining that the measurement from the sensing component is unreliable, an action associated with the pressure sensor.Type: ApplicationFiled: June 3, 2019Publication date: December 3, 2020Inventors: Francesco SOLAZZI, Martin HASSLER, Christoph STEINER