Schaeffler Technologies Ag & Co .kg

Harald Martini

Thorsten Biermann

Inaki Fernandez

Richard Grabenbauer

Franz Kurth

Philip Wurzberger

Fritz Wiesinger

Markus Mantau

Martin Klein

Simone Lombardo

A planetary transmission () with a differential () and at least one set of planetary gears () and with a common planetary carrier () for the differential () and the set of planetary gears () and with at least one set of planet journals (). The planet journals () and first differential gears () of the differential () are seated so as to follow one another axially on in each case one planet journal () and, here, are axially separated from one another by way of the intermediate web (). The intermediate web () which extends in radial directions runs axially between a first toothing plane (I) and a second toothing plane (II).

Planetary transmission with differential

A transmission device for a motor vehicle includes a planetary gearset and a spur gear differential. The planetary gearset includes a drive sun gear, a ring gear fixed to the housing, and multiple stepped planetary gears. Each stepped planetary gear has a first gear meshing with the drive sun gear and a second gear meshing with the ring gear. The spur gear differential includes multiple first and second compensation gears. Each first compensation gear meshes with a first output sun gear, each second compensation gear meshes with a second output sun gear, and the first and second compensation gears mesh with each other in pairs. One compensation gear of each compensation gear pair is arranged in phase with a respective stepped planetary gear. The other compensation gear of each compensation gear pair overlaps axially and contactlessly with the second gear.

Transmission device for a motor vehicle

A spur-gear differential having first and second planet carrier halves rotationally fixedly connected to first and second bearings, respectively and including holes for planet bolts and connecting rivets. Hole walls at least partially surround each hole and are formed from a material of the first and second planet carrier halves. The first and second bearings have bearing rings. At least one region of an inner edge of the first planet carrier half is arranged radially further out than an outer edge of toothing of a first sun gear. At least one region of an inner edge of the second planet carrier half is arranged radially further out than an outer edge of toothing of a second sun gear.

Spur gear differential with non-destructively demountable sun gears

A differential gearing for a motor vehicle, comprising a drive gear, by means of which torque can be introduced into the gearing, a first output element and a second output element, by means of which the torque can be output from the gearing, a differential housing attached to the drive gear in a rotationally fixed manner, wherein the drive gear and the differential housing together form a differential cage for transmitting torque from the drive gear to the first output element, wherein the first output element is arranged in such a way that the first output element can be rotated in relation to the differential cage, and a first rolling-element bearing for supporting the differential hosing on a housing, wherein a bearing shell of a second rolling-element bearing is directly attached to the drive gear in a rotationally fixed manner.

Supporting assembly for a lightweight differential

A differential transmission for a motor vehicle comprising a driving gear wherein the driver gear introduces torque to the transmission; a first output element and a second output element wherein the first and second output elements output torque from the transmission; a differential cage designed for transmitting torque from the driving gear to the first output element, wherein the differential cage is non-rotatably connected to the driving gear, and the first output element is rotationally arranged to the differential cage; a sliding sleeve wherein the sliding sleeve is arranged between the differential cage and the first output element, wherein the sliding sleeve has a lubricating recess which extends in a spiral shape in the circumferential direction and is operatively arranged to provide a lubricating film.

Sliding sleeve for supporting sun gears

A differential, including: a gear housing; an epicyclic housing which is mounted in the gear housing in a manner allowing rotation about a gear axis; a planet carrier arranged in the epicyclic housing in a manner allowing rotation; a first output sun gear; a second output sun gear; a planetary arrangement, accommodated in the planet carrier, coupling the output sun gears in a manner allowing opposite rotation; a brake device generating a bridging torque which places a load on relative rotation of the first and second output sun gears, according to a magnitude of an axial force applied to the brake device; and an actuating mechanism for the purpose of generating said axial force applied to the brake device. The actuating mechanism is designed in such a manner that the first bridging torque generated by the brake device increases as a rotary drive torque applied to the epicyclic housing increases.

Differential

A spur differential gear, including a planet carrier having a rim gear carrier with a plurality of radially inward protruding segments circumferentially displaced from each other creating windows therebetween, and first and second hubs fixedly secured to opposite axial sides of the plurality of segments, wherein the components of the rim gear carrier are non-rotatably connected to each other, first and second output gears, a revolving planet arrangement contradirectionally rotatably coupling the first and second output gears via a plurality of circumferentially displaced planet pairs, each planet pair including first and second revolving planets configured to rotate around their own planet axes, wherein the first and second revolving planets revolve with the planet carrier around the axis of rotation and are rotatable opposite it around the first and second planet axes, respectively, wherein one of the plurality of planet pairs is accommodated in each of the plurality of window segments.

Spur differential gear

A gear unit combination including a differential transmission, a planetary gear stage, a common planet carrier, a plurality of planet sub-carriers arranged to have at least one external planet sub-carrier and to form the common planet carrier in a rotationally fixed manner, a bearing sleeve arranged within the at least one external planet sub-carrier, and at least one spur gear, wherein the bearing sleeve is arranged to radially position the at least one spur gear.

Supporting and guiding disk in a planetary gear train

A plug-in shaft system comprising a hollow stub shaft inside of which a shaft is put to transmit torque, a sealing cap being fastened to a front end of the hollow stub shaft to seal the interior of the hollow stub shaft from the passage of oil, and an oil guiding cap being fastened to the front of the hollow stub shaft at an axial distance to the oil sealing cap, the oil guiding cap defining an oil guiding space. A differential, such as a straight differential, including the plugin shaft system, wherein preferably two sun gears are used.

Insert shaft system, differential with insert shaft system, oil distribution in shaft systems of transmissions, and steel oil drip pan for the oiling of a shaft

A planetary gear of a differential gear, with a planetary carrier to which planetary wheels are rotatably connected and which are in meshing operative contact with at least one sun wheel, whereby the planetary carrier is connected to a driving wheel, further comprising a roller bearing that is provided with two bearing rings, a bearing inner ring and a bearing outer ring for axial and/or radial position determination of the planetary carrier relative to a fixed housing, wherein a cover is positioned radially between the planetary carrier and the sun wheel.

Planetary gear of a differential gear

A planetary gear () with a differential gear, a planet carrier () to which at least one planetary gear () is rotatably connected with at least one sun wheel () that is at least in meshing operative engagement with one planetary gear, whereby the planetary carrier () is supported by at least one bearing () axially and/or radially in a housing (), whereby a first raceway () of the bearing () is formed on a housing-fixed member and a second raceway () of the bearing () is formed on a planetary carrier-fixed member, whereby a support pot () encompasses the said bearing () radially at least partially on the outside, wherein the support pot () is supported on a radially outer side () of the planet carrier ().

Planetary gear with a differential gear

A planet gear carrier () for an automotive vehicle having a plurality of mounting regions (), mounting a respective planet gear (), and between the mounting regions (), at least one aperture () such as a through-hole () that weakens the planet gear carrier (), and when filled by a stiffening element () reinforces the planet gear carrier (). A planet gear carrier having installed planet gears, a spur gear differential comprising such a planet gear carrier as well as a spur gear differential comprising two planet gear carriers of the aforesaid type.

Support structure of a planet gear carrier

A planetary gearbox () having a differential gear (), having a planet carrier () to which planet wheels () that are in meshed engagement with at least one sun gear () are rotatably connected, wherein the planet carrier () can be connected to a drive wheel (), wherein in addition a bearing () having an inner bearing ring () and an outer bearing ring () rotatably mounts the planet carrier () in a stationary housing determining the axial and/or radial position of said carrier, wherein the outer bearing ring () is rotatably fixedly connected to the planet carrier () and the inner bearing ring () is connected to the stationary housing.

Planetary gearbox comprising a differential

A planetary gear () such as a differential gear, with a planetary carrier () on which planetary wheels () are rotatively connected, with at least one sun gear () in meshing engagement, whereby the planetary carrier () can be connected to a drive wheel () such as a spur wheel (), whereby further comprising a rolling bearing () having an inner bearing ring () and an outer bearing ring () for the axial and/or radial positioning of the planetary carrier () with respect to a fixed housing such as a gear housing, characterized in that an outer bearing ring () between the inner bearing ring () and the planetary support () is forced as far as a seating region radially inwards of the planetary carrier () for connection to the planetary carrier ().

Suspended mounting of a differential

A double differential device for a vehicle which is of compact construction. The device has a longitudinal differential section with a longitudinal differential input, a longitudinal differential output, an axle output. It also has a transverse differential section with a transverse differential input and two driven outputs. The longitudinal differential output is connected with the transverse differential input, the longitudinal differential section and the transverse differential section are each a planetary spur wheel gear and are arranged coaxially with a common main axis of rotation. The longitudinal differential section has a longitudinal differential planet carrier, which carries a longitudinal differential planet set, and the transverse differential section has a transverse differential planet carrier, which carries a first and a second transverse differential planet set. The longitudinal differential planet carrier and the transverse differential planet carrier are arranged rotatable relative to one another, and the two driven outputs are driven suns.

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Herzogenaurach, Germany

Harald Martini