Schaeffler Technologies Ag & Co .kg

Airbus Helicopters Deutschland Gmbh

Franz Kurth

Ralph Schimpf

Thorsten Biermann

Bernd-Robert Hohn

Brian Thomas Lee

Alexander Reimchen

Harald Martini

Frank Beeck

Inaki Fernandez

Andreas Doleschel

Bernd-Robert Höhn

Christian Wirth

Georg Von Petery

Manfred Goetz

Simone Lombardo

Andreas Hofmann

Rainer Schuebel

Martin Weidenthaler

Bernd-Robert HÖHN

A transmission comprises a first planetary stage that has a first planetary gear train with a first set of planet gears configured to rotate on a first planet carrier and mesh with a first sun gear and a first ring gear, a second planetary stage wherein the second planetary stage has a second planetary gear train with a second set of planet gears, wherein the second set of planet gears are configured to rotate on a second planet carrier and mesh with a second sun gear and a second ring gear, wherein the first planet carrier is connected to the second sun gear, wherein the first sun gear is operatively connected to a drive shaft, a differential stage operatively connected to the second planet carrier and configured to distribute power, and a double-clutch device that includes a first and second clutch and is located between the planetary stages.

Drive device for a motor vehicle

An epicyclic gearing that includes a first set of planet gears arranged on a first planet gear plane, a second set of planet gears arranged on a second planet gear plane, and a planet carrier configured to circulate about a gear axis and including a carrier wall that extends between the first planet gear plane and the second planet gear plane in an intermediate region, and the planet carrier further includes planet pins configured to mount the first or second set of planet gears, wherein a web structure is attached to the carrier wall, wherein the web structure extends in the direction of the gear axis, wherein the web structure includes a support structure that extends radially in relation to the gear axis, and a support structure that includes a hole for receiving a section of a planet gear pin.

Epicyclic gearing, in particular reduction gearing with an integrated spur gear differential

A planetary differential device includes first and second sun gears coaxially arranged in relation to each other and defining a main axis. First and second planetary gears mesh with the first and second sun gears and mesh with each other in pairs. A planet carrier has two side disks, and the planetary gears are rotatably arranged in the planet carrier. A coupling gear is arranged coaxially to the main axis and is rigidly connected to the planet carrier. The side disks are respectively connected to the coupling gear in a material fit and form a receiving housing with a housing inner space, at least one of the side disks includes an assembly opening through which the planetary gears and the sun gears can be inserted into the inner space of the housing.

Planetary differential device and method for producing a planetary differential device

A drive device for a motor vehicle, includes a differential gearing and a torque vectoring unit having an electric machine, wherein the differential gearing has a first and a second planet set, which are rotatably supported on a common planet carrier, wherein the first planet set meshes at least with a first sun, the second planet set meshes at least with a second sun, and the two planet sets at least mesh with each other in pairs, and wherein at least the second sun is connected to the torque vectoring unit in order to redistribute the torque between the first and the second suns.

A drive system for a motor vehicle includes a torque vectoring unit and a differential. The torque vectoring unit has an electrical machine for producing a torque. The differential has a common planet carrier, a first sun gear, a second sun gear, a first planetary gear set and a second planetary gear set. The first planetary gear set is rotatably mounted on the common planet carrier and in meshing engagement with the first sun gear. The second planetary gear set is rotatably mounted on the common planet carrier, in meshing engagement with the second sun gear and the first planetary gear set, connected to the torque vectoring unit, and arranged to redistribute the torque between the first sun gear and the second sun gear.

Drive system for a motor vehicle

A centrifugal clutch is disclosed. The clutch may include an inner rotating element whose outer periphery includes a plurality of ramps and at least one centrifugal weight device surrounding the inner rotating element, which includes a plurality of peripherally distributed centrifugal weights and whose inner periphery includes a plurality of counter ramps for forming a positive frictional engagement with the ramps of the inner rotating element. It may further include an outer rotating element surrounding the at least one centrifugal weight device, wherein the centrifugal weights can be pressed outwards through a friction lining against an inner periphery of the outer rotating element in opposition to the action of a spring arrangement. The centrifugal weight device may be generally formed by an annular plate structure including at least one plate element, wherein the plate structure includes a plurality of peripherally distributed peripheral sections that form the centrifugal weights.

Centrifugal clutch

The invention relates to a coupling device for a drive train of a motorcycle or other motor vehicle, in particular for suppressing a so-called hopping. According to the invention, the coupling device has an output rotation part, a switchable friction coupling, which has an energy storage device for closing thereof and which is closed in an unactuated state, and at least one freewheel coupling for forming a torque transmission path for torque transmission from the input rotating part to the output rotating part, wherein the freewheel coupling includes the following components: an inner rotating element, the outer circumference of which forms a sawtooth-shaped circumferential structure having a plurality of circumferentially extending ramps; a substantially annular plate structure having an individual plate element or a stack of a plurality of plate elements, the inner circumference of which forms a sawtooth-shaped circumferential structure having a plurality of circumferentially extending counter-ramps to form an interlock and/or a friction lock together with the ramps of the inner rotating element in a rotation direction; and an outer rotating element surrounding the plate structure. The invention further relates to a corresponding drive train having such a coupling device.

Coupling device and drive train having a coupling device

The invention relates to a driving assembly for a vehicle, including an electric machine and a transmission device that is connected thereto, further having a differential and a spur gear that drivingly couple a first output shaft and a second output shaft to the electric machine. According to the invention, the differential is embodied as a rolling differential; the first output shaft is drivingly connected to the rolling differential, and the second output shaft is drivingly connected to the spur gear.

Driving assembly comprising a rolling differential

A sealing sleeve for a transmission or a clutch of a motor vehicle for use between two torque transmitting devices, which rotate relative to each other, wherein a shell surface of the sealing sleeve is designed for making contact in a sliding and sealing manner with one or more sealing means; and a flange section, which projects radially from the shell surface, is designed for interpositioning between the two torque transmitting devices, wherein the flange section is formed as a running surface for an axial bearing. An automatic transmission or a clutch with a first torque transmitting device and a second torque transmitting device, between which an inventive sealing sleeve is inserted.

Sealing sleeve with combined axial bearing and automatic transmission or clutch with such a sealing sleeve

The invention relates to a cycloidal planetary gear speed reducer having a central shaft, comprising at least one ring gear disposed so as to be rigidly mounted in a housing, a set of planet gears in mesh with the ring gear, a rotatably supported planet gear carrier, on which the planet gears are mounted, and a plurality of drive plates arranged axially one behind the other in order to drive the planet gears, wherein the drive plates are mounted eccentrically on the central shaft in order to execute a circular translation movement, wherein at any given time during execution of a circular translation movement, the drive plates are in engagement with at least two planet gears.

Cycloidal planetary gear speed reducer

An epicyclic gearing for splitting output drive power from a power input to a first power output and a second power output, comprising a superposition gearing stage, including a first sun gear, a first planetary gear set, a first planetary carrier, and a first ring gear, and a reverse gearing stage, including a second sun gear, a second planetary gear set, a second planetary carrier, and a second ring gear, wherein, the superposition gearing stage and the reverse gearing stage are kinematically coupled, and the epicyclic gearing is operatively arranged to operate in a first switching state or a second switching state, wherein the first switching state and the second switching state have different gear ratios.

Differential gearing, in particular axle gearing

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 gearing arrangement, comprising a planetary stage comprising a planet carrier arranged to rotate around a transmission shaft, a plurality of planet pins each planet pin comprising respective first and second end regions, planet gears arranged on the planet carrier and seated on the plurality of planet pins, and at least one sun gear, and a spur gear arranged to direct torque into the planet carrier, wherein the planet carrier comprises a cage element axially arranged on the spur gear, and the plurality of planet pins are arranged within the spur gear and radially supported in the cage element with the respective first end regions arranged to face the spur gear and the respective second end regions arranged to face away from the spur gear.

Gearing assembly having a planetary stage

An axle differential transmission, including: a housing; a differential stage including at least one planetary gear assembly; an input shaft connected to the at least one planetary gear assembly; and a clutch assembly including an actuator, at least one first clutch plate non-rotatably connected to the input shaft, at least one second clutch plate non-rotatably connected to the housing, and a one-way clutch including at least one wedge clutch plate. For a initial drive mode, the actuator is arranged to compress the at least one first clutch plate, the at least one second clutch plate, and the at least one wedge clutch plate to non-rotatably connect the housing and the input shaft. For a final drive mode, relative rotation between the housing and the input shaft in a first circumferential direction is arranged to non-rotatably connect the housing, the input shaft, and the at least one wedge plate.

Axle differential transmission for an engageably driven vehicle of a motor vehicle

A compound planetary gear unit comprising a first planetary gear set, a second planetary gear set, a planet carrier for both planetary gear sets together, a first sun gear and a second sun gear as well as comprising a first ring gear and a second ring gear, wherein the first planetary gear set is formed by first planetary gears, which are carried by the planet carrier at a radial distance from a central axis of the compound planetary gear unit in such a way that each of said first planetary gears can be rotated about its own first axis of rotation.

Growing community of inventors

Nuremberg, Germany

Franz Kurth