Patents by Inventor Matthias Reisch
Matthias Reisch 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: 11739822Abstract: A transmission with a differential locking unit which comprises an input shaft (10), first and second output shafts (11, 12), and first and second planetary gear sets (P1, P2). Torque introduced, via the input shaft (10), is converted and distributed to the two output shafts (11, 12) in a defined ratio, and development of a sum torque is prevented. The differential locking unit comprises an epicyclic gearing (P3) as well as a switching element (B 1). The epicyclic gearing (P3) has at least three connection shafts (3), a first connection shaft (WI) is rotationally fixed to a linking shaft (3), a second connection shaft (W2) is rotationally fixed to the second element (E21) of the first planetary gear set (PI), which is rotationally fixed to the first output shaft (11). A third connection shaft (W3) can be secured to a rotationally fixed component (GG) by the switching element (B 1).Type: GrantFiled: March 5, 2020Date of Patent: August 29, 2023Assignee: ZF Friedrichshafen AGInventors: Stefan Beck, Matthias Reisch
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Publication number: 20230243408Abstract: A gear unit includes an input shaft, output shafts and a differential having two planetary gearsets with a plurality of gearset elements. A first gearset element is connected to the input shaft, a second gearset element is connected to the first output shaft, and a third gearset element is connected to a gearset element of the second planetary gearset. A second gearset element of the second planetary gearset is connected to a housing, and a third gearset element of the second planetary gearset is connected to the second output shaft. A first output torque transmittable to the first output shaft. The gearset elements of the first planetary gearset and second planetary gearset have a helical toothing such that a torque is transmittable between the two output shafts.Type: ApplicationFiled: January 27, 2023Publication date: August 3, 2023Inventors: Thomas KÖLBL, Matthias REISCH, Michael ROSKE
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Publication number: 20230213092Abstract: A transmission may include an input shaft, a first output shaft, a second output shaft, a first planetary gearset, and a second planetary gearset connected to the first planetary gearset. Optionally, the input shaft is connected to a first element of the first planetary gearset for conjoint rotation, the first output shaft is connected to a second element of the first planetary gearset for conjoint rotation, and the second output shaft is connected to a third element of the second planetary gearset for conjoint rotation. A third element of the first planetary gearset may be connected to a first element of the second planetary gearset via a shaft for conjoint rotation, and a second element of the second planetary gearset may be fixed in place on a non-rotating component.Type: ApplicationFiled: October 22, 2020Publication date: July 6, 2023Applicant: ZF Friedrichshafen AGInventors: Matthias Reisch, Stefan Beck
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Publication number: 20230135813Abstract: A transmission may have an input shaft, a first output shaft, a second output shaft, and an integral differential functionally located between the input shaft and the two output shafts. The transmission may have a planetary gearset that has one or more gearset elements, and a spur gearset, which has a first spur gear and second spur gear that are intermeshed, where a first gearset element is connected to the input shaft for conjoint rotation, where a second gearset element is connected to the first output shaft for conjoint rotation, where a third gearset element is at least indirectly connected to first spur gear for conjoint rotation, and where the second spur gear is at least indirectly connected to the second output shaft for conjoint rotation.Type: ApplicationFiled: October 28, 2022Publication date: May 4, 2023Applicant: ZF Friedrichshafen AGInventors: Matthias Reisch, Ulrich Kehr, Michael Kozok
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Patent number: 11635131Abstract: A transmission having input and output shafts and planetary gear sets. Each planetary gear set has multiple elements. The input and output shafts and planetary gear sets are designed so torque introduced via the input shaft is distributed to the output shafts in a defined ratio and a sum torque is prevented. An element of a first planetary gear set is rotationally fixed to another element of a second planetary gear set and another element of the second planetary gear set is secured to a rotationally fixed component. A torque vectoring superposition unit has an epicyclic gearing and two switching elements. The epicyclic gearing has four connection shafts. A first connection shaft is rotationally fixed to the linking shaft. A second connection shaft is rotationally fixed to an output shaft of the first planetary gear set. The switching elements secure a third and fourth connection shaft to a fixed component.Type: GrantFiled: March 5, 2020Date of Patent: April 25, 2023Assignee: ZF FRIEDRICHSHAFEN AGInventors: Stefan Beck, Matthias Reisch
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Patent number: 11618318Abstract: A transmission having an input and first and second output shafts and first and second planetary gear sets. Torque introduced via the input shaft is distributed to the two output shafts in a defined ratio. An element of the first planetary gear set is connected to another element of the second planetary gear set and an element of the second planetary gear set is secured to a rotationally fixed component. A torque vectoring superposition unit has a third planetary gear set. A first element of the third planetary gear set is rotationally fixed to a linking shaft. A second element of the third planetary gear set is connected to a machine rotor. A third element of the third planetary gear set is rotationally fixed to an element of the second planetary gear set, which is fixed to the first output shaft.Type: GrantFiled: March 5, 2020Date of Patent: April 4, 2023Assignee: ZF FRIEDRICHSHAFEN AGInventors: Stefan Beck, Matthias Reisch
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Publication number: 20230102032Abstract: Gear unit with an integral differential arranged between an input shaft and two output shafts, having a first and a second planetary gearset with gearset elements. One gearset element is connected to an epicyclic gear train input, an output of the epicyclic gear train and a stationary component of the gear unit. A first gearset element is connected to the input shaft, a second gearset element is connected to the first output shaft, and a third gearset element is connected to a first gearset element of the second planetary gearset. A second gearset element is connectible to a second gearset element of the epicyclic gear train. A third gearset element is connected to the second output shaft. A first gearset element of the epicyclic gear train is connected to the input shaft. A third gearset element of the epicyclic gear train is connected to the stationary structural component.Type: ApplicationFiled: September 22, 2022Publication date: March 30, 2023Inventor: Matthias Reisch
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Patent number: 11603907Abstract: A gear transmission includes a first helical-cut gearwheel (1) and a second helical-cut gearwheel (2) engaged for transmitting torques in different directions. The first gearwheel (1) and the second gearwheel (2) each include corresponding ring-shaped thrust collars (4, 5), and corresponding thrust collars (4, 5) each form a race (8, 9, 10, 11) having an overlap region. A first race (8) and a second race (9) form an overlap region for traction torques, and a third race (10) and a fourth race (11) form an overlap region for overrun torques. Each overlap region includes a contact surface or a contact point (14, 15), and each contact point (14, 15) is situated on a contact circle diameter (16, 17). The contact surfaces or contact points (8, 9) for traction torques and the contact surfaces or contact points (10, 11) for overrun torques are radially offset.Type: GrantFiled: November 16, 2018Date of Patent: March 14, 2023Assignee: ZF FRIEDRICHSHAFEN AGInventors: Matthias Reisch, Christoph Erkens, Eckhardt Lübke, Martin Rattay, Marc Seeberger
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Publication number: 20230022088Abstract: An electric drive for a vehicle and a vehicle is having at least one electric machine having a rotor shaft and a planetary transmission for dividing the torque introduced via the rotor shaft to a first output shaft and a second output shaft, wherein for decoupling the rotor shaft at least one switching element is provided relative to the torque transmission between the rotor shaft and an element of the planetary transmission.Type: ApplicationFiled: July 14, 2022Publication date: January 26, 2023Inventors: Matthias REISCH, Jurgen WAFZIG
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Publication number: 20230008294Abstract: An actuator device (1) for generating a longitudinal positioning movement to engage a shift element includes an actuator housing (2) and an electric motor (3). The electric motor (3) has a stator (4) and a rotor (5), the stator (4) being stationarily fixed at the housing (2), and the rotor (5) being rotatable relative to the stator (4) and rotationally fixed to a rotor carrier (6) supported relative to the housing (2) via a fixed bearing (7). The actuator device (1) further includes a threaded drive (8) having a nut (9) and a threaded spindle (10), with the nut (9) being rotationally driveable and axially fixed, and the threaded spindle (10) being axially displaceable along the threaded nut (9) and secured against rotation. The threaded nut (9) is rotationally fixed to the rotor carrier (6) and is at least partially radially within the fixed bearing (7).Type: ApplicationFiled: November 20, 2020Publication date: January 12, 2023Inventors: Matthias Reisch, Jürgen Wafzig, Peter Sigg
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Publication number: 20220402359Abstract: A transmission may include an input shaft, a first output shaft, a second output shaft, a first planetary gearset, and a second planetary gearset connected to the first planetary gearset, where the planetary gearsets each comprise numerous elements. The input shaft, the two output shafts, the planetary gearsets, and their elements may be arranged and designed such that a torque input via the input shaft is converted and distributed in a defined ratio to the two output shafts, and the formation of a combined torque is prevented. At least a third element of the first planetary gearset may be connected to a first element of the second planetary gearset via a shaft for conjoint rotation.Type: ApplicationFiled: October 22, 2020Publication date: December 22, 2022Applicant: ZF Friedrichshafen AGInventors: Matthias Reisch, Stefan Beck
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Publication number: 20220397187Abstract: A transmission with a differential locking unit which comprises an input shaft (10), first and second output shafts (11, 12), and first and second planetary gear sets (P1, P2). Torque introduced, via the input shaft (10), is converted and distributed to the two output shafts (11, 12) in a defined ratio, and development of a sum torque is prevented. The differential locking unit comprises an epicyclic gearing (P3) as well as a switching element (B 1). The epicyclic gearing (P3) has at least three connection shafts (3), a first connection shaft (WI) is rotationally fixed to a linking shaft (3), a second connection shaft (W2) is rotationally fixed to the second element (E21) of the first planetary gear set (PI), which is rotationally fixed to the first output shaft (11). A third connection shaft (W3) can be secured to a rotationally fixed component (GG) by the switching element (B 1).Type: ApplicationFiled: March 5, 2020Publication date: December 15, 2022Inventors: Stefan BECK, Matthias REISCH
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Publication number: 20220364634Abstract: A transmission may include an input shaft, a first output shaft, a second output shaft, a first planetary gearset, and a second planetary gearset connected to the first planetary gearset. The input shaft, the first and second output shafts, and the planetary gearsets may be arranged such that a torque input via the input shaft is converted and distributed in a defined ratio to the two output shafts, and the formation of a combined torque is prevented. At least one element of the first planetary gearset may be connected to at least one element of the second planetary gearset with a shaft for conjoint rotation, and at least one element of the second planetary gearset may be fixed in place on a non-rotating component. A connector may be arranged and configured to passively, and therefore without a control unit and without an actuator, connect the first output shaft and second output shaft.Type: ApplicationFiled: October 22, 2020Publication date: November 17, 2022Applicant: ZF Friedrichshafen AGInventors: Matthias Reisch, Stefan Beck
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Publication number: 20220356936Abstract: A transmission having input and output shafts and planetary gear sets. Each planetary gear set has multiple elements. The input and output shafts and planetary gear sets are designed so torque introduced via the input shaft is distributed to the output shafts in a defined ratio and a sum torque is prevented. An element of a first planetary gear set is rotationally fixed to another element of a second planetary gear set and another element of the second planetary gear set is secured to a rotationally fixed component. A torque vectoring superposition unit has an epicyclic gearing and two switching elements. The epicyclic gearing has four connection shafts. A first connection shaft is rotationally fixed to the linking shaft. A second connection shaft is rotationally fixed to an output shaft of the first planetary gear set. The switching elements secure a third and fourth connection shaft to a fixed component.Type: ApplicationFiled: March 5, 2020Publication date: November 10, 2022Inventors: Stefan BECK, Matthias REISCH
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Publication number: 20220355663Abstract: A transmission having an input and first and second output shafts and first and second planetary gear sets. Torque introduced via the input shaft is distributed to the two output shafts in a defined ratio. An element of the first planetary gear set is connected to another element of the second planetary gear set and an element of the second planetary gear set is secured to a rotationally fixed component. A torque vectoring superposition unit has a third planetary gear set. A first element of the third planetary gear set is rotationally fixed to a linking shaft. A second element of the third planetary gear set is connected to a machine rotor. A third element of the third planetary gear set is rotationally fixed to an element of the second planetary gear set, which is fixed to the first output shaft.Type: ApplicationFiled: March 5, 2020Publication date: November 10, 2022Inventors: Stefan BECK, Matthias REISCH
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Publication number: 20220324323Abstract: A gearbox includes: an input shaft; a first output shaft; a second output shaft; a first planetary gearset; and a second planetary gearset connected to the first planetary gearset. The input shaft, the first and second output shafts, and the first and second planetary gearsets are configured such that a torque introduced via the input shaft is converted and distributed in a defined ratio to the first and second output shafts, so as to prevent formation of a sum torque. The first planetary gearset is configured as a minus planetary gearset, and the second planetary gearset is configured as a plus planetary gearset.Type: ApplicationFiled: April 6, 2022Publication date: October 13, 2022Inventors: Stefan Beck, Matthias Reisch
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Publication number: 20220221052Abstract: An electro-mechanical actuator for generating an axial actuation force is provided. The electro-mechanical actuator includes an electric machine having a stator (1) and a rotor (2). The electro-mechanical actuator also includes a spindle drive with a rotary element (6) and with an element that is movable in a translatory manner. A rotation of the rotary element (6) may result in a translatory motion of the element that is movable in a translatory manner. The rotor (2) and the rotary element (6) of the spindle drive are coupled to each other in a circumferential direction (U) such that a rotation of the rotor (2) results in a rotation of the rotary element (6) of the spindle drive (5). A rotational play (8) is formed between the rotor (2) and the rotary element (6) of the spindle drive in the circumferential direction (U).Type: ApplicationFiled: March 6, 2020Publication date: July 14, 2022Inventors: Matthias Reisch, Andreas Füßl, Jürgen Wafzig, Andreas Wendzel, Lorenz Fischer, Holger Gohmert, Uwe Fehr, Michael Arnegger
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Publication number: 20220203814Abstract: The disclosure relates to a transmission comprising an input shaft, a first output shaft, a second output shaft, a first planetary gear set, and a second planetary gear set which is connected to the first planetary gear set. Each of the planetary gear sets comprises multiple elements. The input shaft, the two output shafts, the planetary gear sets, as well as the elements thereof are arranged and designed such that—a torque introduced via the input shaft is converted and is distributed to the two output shafts in a defined ratio, and the development of a sum torque is prevented. At least one element of the first planetary gear set is rotationally fixed to another element of the second planetary gear set. Another element of the second planetary gear set is secured to a rotationally fixed component.Type: ApplicationFiled: March 4, 2020Publication date: June 30, 2022Inventors: Matthias Reisch, Stefan Beck
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Publication number: 20220205520Abstract: The disclosure relates to a transmission comprising an input shaft, a first output shaft, a second output shaft, a first planetary gear set, and a second planetary gear set which is connected to the first planetary gear set. Each of the planetary gear sets comprise multiple elements, wherein the first output shaft is rotationally fixed to a second element of the first planetary gear set, the second output shaft is rotationally fixed to a third element of the second planetary gear set, a third element of the first planetary gear set is rotationally fixed to a first element of the second planetary gear set via a shaft, and a second element of the second planetary gear set is secured to a rotationally fixed component.Type: ApplicationFiled: March 4, 2020Publication date: June 30, 2022Inventors: Stefan Beck, Matthias Reisch, Eckhardt Lübke, Timo Wehlen
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Patent number: 11300202Abstract: A device (5) for selective displacement of a shift element (4) towards a first shift position and/or a second shift position includes an actuator (6) and a spring module (7). The spring module (7) includes an actuator-side force-introduction element, a shift element-side force-introduction element, and a spring arrangement. The spring arrangement includes a first spring end and a second spring end. The actuator-side force-introduction element and the shift element-side force-introduction element each include a first support section and a second support section for supporting the spring ends. The first spring end is associated with the first support section of the shift element-side force-introduction element and with the second support section of the actuator-side force-introduction element. The second spring end is associated with the first support section of the actuator-side force-introduction element and with the second support section of the shift element-side force-introduction element.Type: GrantFiled: December 18, 2017Date of Patent: April 12, 2022Assignee: ZF FRIEDRICHSHAFEN AGInventors: Matthias Reisch, Ralf Dreibholz, Jürgen Wafzig