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: 12292103Abstract: A transmission for an integral differential, the transmission having a fixed housing part, and a first planetary gear set defining an axis of rotation. The first planetary gear set has a planet carrier fixed to the fixed housing part to seal a lubricant chamber spatially delimited by the planet carrier and the fixed housing part, where at least a portion of the lubricant chamber extends around the axis of rotation. The first planetary gear set further includes planetary bearings, the planetary bearings being supplied with lubricant from the lubricant chamber. Moreover, the first planetary gear set includes planet gears, each of the planet gears being rotatably mounted on the planet carrier via at least one respective bearing of the planetary bearings. Additionally, the first planetary gear set includes a sun gear and a ring gear, each meshing with the planet gears.Type: GrantFiled: June 22, 2022Date of Patent: May 6, 2025Assignee: ZF Friedrichshafen AGInventors: Matthias Reisch, Florian Petrich, Danilo Lind
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Patent number: 12264725Abstract: A device for transmitting torque and axially securing a first torque-transmitting component (1) and a second torque-transmitting component (2) is provided. The first component (1) includes axially projecting first projections (3) distributed over the circumference and have first gaps (4) arranged therebetween. The second component (2) includes radially projecting second projections (5) having second gaps (6) arranged therebetween. Each second projection (5) on the second component (2) protrudes into a respective first gap (4) in the first component (1). At least two of the second projections (5) include a section (8) that projects axially in the direction of the first component (1) and is configured in each case such that, when the device is installed, the section rests axially via an end face (9) against the first component (1).Type: GrantFiled: November 9, 2023Date of Patent: April 1, 2025Assignee: ZF Friedrichshafen AGInventors: Hagen Doepfert, Matthias Reisch
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Patent number: 12253145Abstract: A transmission includes an input shaft, two output shafts, at least three bearings and a differential. A first planetary gear set includes multiple gear set elements, and a second planetary gear set includes multiple gear set elements and is operatively connected to the first planetary gear set. A first output torque is at least indirectly transmittable onto the first output shaft by the first planetary gear set. One of the three bearings is arranged between the second output shaft and a stationary component and delimits the axial position of the second output shaft with respect to the stationary component at least in one axial direction. The second gear set element of the first planetary gear set is axially fixed at least in one axial direction on the first output shaft.Type: GrantFiled: December 18, 2023Date of Patent: March 18, 2025Assignee: ZF Friedrichshafen AGInventors: Philip Dötschel, Tamas Gyarmati, Matthias Reisch
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Patent number: 12253150Abstract: A transmission (1) for a drive train of a vehicle (100) includes an input shaft (2), a first output shaft (3), a second output shaft (4) and a differential arranged in power flow between the input shaft (2) and the two output shafts (3, 4). A first output torque is transmittable onto the first output shaft (3) by the first planetary gear set (5). A support torque of the first planetary gear set (5) is convertible in the second planetary gear set (6) such that a second output torque is transmittable onto the second output shaft (4). The second planetary gear set (6) is axially adjacent to the first planetary gear set (5), and the planet gears (5.4) of the first planetary gear set (5) do not axially overlap the planet gears (6.4) of the second planetary gear set (6). A second gear set element in the first planetary gear set (5) is a ring gear (5.2) and is connected to a first gear set element in the second planetary gear set (6), which is a sun gear (6.1), for conjoint rotation. The sun gear (6.Type: GrantFiled: February 13, 2024Date of Patent: March 18, 2025Assignee: ZF Friedrichshafen AGInventors: Tamas Gyarmati, Philip Dötschel, Matthias Reisch
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Publication number: 20250083516Abstract: An electric drive for a vehicle includes at least one electric machine (1) with a rotor shaft (2) as a drive shaft, a transmission connected to a first output shaft (3) and a second output shaft (4), and a shift element (5) with at least one actuatable coupling element for achieving a first shift position (N), a second shift position (S2) and a third shift position (S2). In the first shift position (N), the coupling element is connected either to an element of the transmission or to the rotor shaft (2). In the second shift position (S1), the element of the transmission is connected to the rotor shaft (2) via the coupling element. In the third shift position (S2), the element of the transmission and the rotor shaft (2) are connected to the housing via the coupling element.Type: ApplicationFiled: July 21, 2022Publication date: March 13, 2025Inventors: Jürgen WAFZIG, Matthias REISCH
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Publication number: 20250052308Abstract: A transmission for a motor vehicle includes a first, a second, and a third planetary gear set, an input shaft, a first and a second output shaft, and a first and a second coupling shaft. Respective elements of the first planetary gear set are rotationally fixed to the input shaft, rotationally fixed to the first coupling shaft, and rotationally fixed to the second coupling shaft. Respective elements of the second planetary gear set are rotationally fixed to the first coupling shaft, rotationally fixed to a stationary component, and rotationally fixed to the second output shaft. Respective elements of the third planetary gear set are rotationally fixed to the second coupling shaft, rotationally fixed to the first output shaft, and rotationally fixed to the second output shaft.Type: ApplicationFiled: October 31, 2024Publication date: February 13, 2025Inventors: Stefan Beck, Matthias Reisch, Eckhardt Lübke, Domenico Bartilucci, Tamas Gyarmati
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Patent number: 12188542Abstract: A transmission for a power train of a motor vehicle has a first stationary housing part having a first axial contact surface, a second stationary housing part, and a first sealing element on the second stationary housing part, the first sealing element being axially compressible. Additionally, the transmission includes a first planetary gear set including a planet carrier, at least one planet gear, a sun gear, and a ring gear. The planet carrier is fixed relative to one or both of the first stationary housing part and the second stationary housing part. One side of the planet carrier rests against the first axial contact surface, where the first sealing element acts on another side of the planet carrier to axially preload the planet carrier against the first axial contact surface to prevent the planet carrier from tilting relative to a rotation axis of the first planetary gear set.Type: GrantFiled: November 9, 2023Date of Patent: January 7, 2025Assignee: ZF Friedrichshafen AGInventors: Hagen Doepfert, Tamas Gyarmati, Matthias Reisch
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Patent number: 12181035Abstract: A transmission for a power train of a vehicle, the transmission including an input shaft, a first output shaft, and a second output shaft, where the first output shaft is received at least partially within the second output shaft, and where the first and second output shafts are rotatable. The transmission further includes a differential operatively arranged between the input shaft and the first and second output shafts, where the differential is configured to divide drive power applied at the input shaft onto the first and second output shafts. Moreover, the transmission includes a stationary component. Additionally, the transmission includes a cover between the second output shaft and the stationary component, where the cover defines at least one duct for guiding lubricant, with the at least one duct extending substantially radially.Type: GrantFiled: November 20, 2023Date of Patent: December 31, 2024Assignee: ZF Friedrichshafen AGInventors: Tamas Gyarmati, Philip Dötschel, Matthias Reisch
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Patent number: 12163577Abstract: A transmission for a motor vehicle includes a first, a second, and a third planetary gear set, an input shaft, a first and a second output shaft, and a first and a second coupling shaft. Respective elements of the first planetary gear set are rotationally fixed to the input shaft, rotationally fixed to the first coupling shaft, and rotationally fixed to the second coupling shaft. Respective elements of the second planetary gear set are rotationally fixed to the first coupling shaft, rotationally fixed to a stationary component, and rotationally fixed to the second output shaft. Respective elements of the third planetary gear set are rotationally fixed to the second coupling shaft, rotationally fixed to the first output shaft, and rotationally fixed to the second output shaft.Type: GrantFiled: October 5, 2023Date of Patent: December 10, 2024Assignee: ZF Friedrichshafen AGInventors: Stefan Beck, Matthias Reisch, Eckhardt Lübke, Domenico Bartilucci, Tamas Gyarmati
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Publication number: 20240376971Abstract: A transmission for an integral differential, the transmission having a fixed housing part, and a first planetary gear set defining an axis of rotation. The first planetary gear set has a planet carrier fixed to the fixed housing part to seal a lubricant chamber spatially delimited by the planet carrier and the fixed housing part, where at least a portion of the lubricant chamber extends around the axis of rotation. The first planetary gear set further includes planetary bearings, the planetary bearings being supplied with lubricant from the lubricant chamber. Moreover, the first planetary gear set includes planet gears, each of the planet gears being rotatably mounted on the planet carrier via at least one respective bearing of the planetary bearings. Additionally, the first planetary gear set includes a sun gear and a ring gear, each meshing with the planet gears.Type: ApplicationFiled: June 22, 2022Publication date: November 14, 2024Inventors: Matthias Reisch, Florian Petrich, Danilo Lind
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Publication number: 20240360889Abstract: A transmission has a differential including a first planetary gear set having a first gear set element connected to an input shaft for conjoint rotation, a second gear set element at least indirectly connected to a first output shaft for conjoint rotation, and a third gear set element that is a ring gear. The differential further includes a second planetary gear set having a first gear set element that is a sun gear, a second gear set element non-rotationally connected to a positionally fixed component, and a third gear set element at least indirectly connected to a second output shaft for conjoint rotation. The differential also includes a connector connecting the ring gear of the first planetary gear set and the sun gear of the second planetary gear set for conjoint rotation, where the connector and the ring gear of the first planetary gear set are integrally bonded.Type: ApplicationFiled: April 18, 2024Publication date: October 31, 2024Inventors: Philip Dötschel, Tamas Gyarmati, Thomas Riedisser, Hagen Doepfert, Martin Brehmer, Matthias Reisch
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Publication number: 20240308331Abstract: A drive train (1) for a motor vehicle (13) includes a prime mover (2) and a transmission (3) with at least one first planetary gear set (P1) that includes gear set elements with a sun gear (P1.1), a planet carrier (P1.2) and a ring gear (P1.3). The prime mover (2) includes an input shaft (5), which at least indirectly transmits drive power onto an input shaft (4) of the transmission (3). The input shaft (4) is connected to one of the gear set elements of the first planetary gear set (P1) for conjoint rotation. The drive shaft (5) is connected via a spline (6) to the input shaft (4) for conjoint rotation. The spline (6) is arranged axially between a toothing (15) of a first gear set element of the first planetary gear set (P1) and an axial stop (8) configured to axially support the input shaft (4) against the drive shaft (5) in one torque direction.Type: ApplicationFiled: March 14, 2024Publication date: September 19, 2024Inventors: Philip Dötschel, Matthias Reisch, Tamas Gyarmati, Thomas Riedisser, Hagen Doepfert, Martin Brehmer
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Patent number: 12083879Abstract: 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: GrantFiled: October 22, 2020Date of Patent: September 10, 2024Assignee: ZF FRIEDRICHSHAFEN AGInventors: Matthias Reisch, Stefan Beck
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Patent number: 12066101Abstract: 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: GrantFiled: November 20, 2020Date of Patent: August 20, 2024Assignee: ZF Friedrichshafen AGInventors: Matthias Reisch, Jürgen Wafzig, Peter Sigg
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Publication number: 20240271684Abstract: A transmission (1) includes an input shaft (2), a first and a second output shaft (3, 4), and a differential (7) with a first and a second planetary gear set (5, 6). A first gear set element of the first planetary gear set (5) is connected to the input shaft (2) for conjoint rotation. A second gear set element of the first planetary gear set (5) is connected to a first gear set element of the second planetary gear set (6) conjoint rotation. A third gear set element of the first planetary gear set (5) is connected to the first output shaft (3) for conjoint rotation. A second gear set element of the second planetary gear set (6) is connected to the second output shaft (4) for conjoint rotation. A third gear set element of the second planetary gear set (6) is connected to a stationary component for conjoint rotation. The second planetary gear set (6) is axially adjacent to the first planetary gear set (5) and the planet gears (5.4) of the first planetary gear set (5) do not axially overlap the planet gears (6.Type: ApplicationFiled: February 14, 2024Publication date: August 15, 2024Inventors: Tamas Gyarmati, Matthias Reisch, Philip Dötschel, Eckhardt Lübke, Hagen Doepfert
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Publication number: 20240271685Abstract: A transmission (1) for a drive train of a vehicle (100) includes an input shaft (2), a first output shaft (3), a second output shaft (4) and a differential arranged in power flow between the input shaft (2) and the two output shafts (3, 4). A first output torque is transmittable onto the first output shaft (3) by the first planetary gear set (5). A support torque of the first planetary gear set (5) is convertible in the second planetary gear set (6) such that a second output torque is transmittable onto the second output shaft (4). The second planetary gear set (6) is axially adjacent to the first planetary gear set (5), and the planet gears (5.4) of the first planetary gear set (5) do not axially overlap the planet gears (6.4) of the second planetary gear set (6). A second gear set element in the first planetary gear set (5) is a ring gear (5.2) and is connected to a first gear set element in the second planetary gear set (6), which is a sun gear (6.1), for conjoint rotation. The sun gear (6.Type: ApplicationFiled: February 13, 2024Publication date: August 15, 2024Inventors: Tamas Gyarmati, Philip Dötschel, Matthias Reisch
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Publication number: 20240262175Abstract: 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: December 14, 2023Publication date: August 8, 2024Inventors: Matthias Reisch, Stefan Beck
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Patent number: 12025211Abstract: 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: GrantFiled: October 28, 2022Date of Patent: July 2, 2024Assignee: ZF FRIEDRICHSHAFEN AGInventors: Matthias Reisch, Ulrich Kehr, Michael Kozok
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Publication number: 20240200637Abstract: A transmission includes an input shaft, two output shafts, at least three bearings and a differential. A first planetary gear set includes multiple gear set elements, and a second planetary gear set includes multiple gear set elements and is operatively connected to the first planetary gear set. A first output torque is at least indirectly transmittable onto the first output shaft by the first planetary gear set. One of the three bearings is arranged between the second output shaft and a stationary component and delimits the axial position of the second output shaft with respect to the stationary component at least in one axial direction. The second gear set element of the first planetary gear set is axially fixed at least in one axial direction on the first output shaft.Type: ApplicationFiled: December 18, 2023Publication date: June 20, 2024Inventors: Philip Dötschel, Tamas Gyarmati, Matthias Reisch
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Publication number: 20240200649Abstract: A transmission for a power train of a vehicle includes an input shaft, two output shafts, and a differential arranged between the two output shafts. The differential includes two planetary gear sets, which include multiple gear set elements. A first output torque is at least indirectly transmittable onto the first output shaft by the first planetary gear set. A support torque of the first planetary gear set is convertible in the second planetary gear set such that a second output torque, which corresponds to the first output torque, is transmittable onto the second output shaft. A second gear set element of the first planetary gear set is connected to the first output shaft for conjoint rotation via a spline. At least one first duct for axial passage of lubricant is formed between inner toothing and the outer toothing of the spline.Type: ApplicationFiled: December 19, 2023Publication date: June 20, 2024Inventors: Tamas Gyarmati, Philip Dötschel, Matthias Reisch, Stephan Scharr