Schaeffler Technologies Ag & Co .kg

Volkswagen Ag

Andreas Trinkenschuh

Ivo Agner

Steffen Lehmann

Dierk Reitz

Marco Grethel

Laszlo Man

Peter Greb

Willi Ruder

Elmar Lorenz

Dominique Engelmann

Christian Silvery

Stefan Mackowiak

Aurelie Keller

Cédric Blaes

Matthias Kästle

Carsten Mayer

Frank Müller

Dirk Hofstetter

Florian Nachtmann

Felix Vogel

Nicolai Gramann

Michael Baumann

Johannes Weis

Dominik Weis

Gregor Müller

Jens Genter

Gerold Steinel

Dirk Bleckmann

Andreas Bexel

Steffen Huber

Tobias Klein

An electric machine () for a motor vehicle drive train, having a stator (), a rotor () mounted to rotate relative to the stator () and a drive schaft () receiving the rotor () for conjoint rotation, wherein, in addition to the rotor (), a disk element (), also connected to the drive schaft () for conjoint rotation and made of sheet metal, is arranged in an axial direction of the drive schaft (), the disk element () having a transmitter contour (), which can be detected by an eddy current sensor, and a coolant guiding contour (), for deflecting a coolant stream towards the stator (), and being pressed with an axial prestressing force against an end face () of the rotor ().

Electrical machine with a multifunctional disc element for a rotor

An electrical drive device includes a machine unit having a machine housing and power electronics having an electronics housing. At least one of the two housings having at least one protrusion for defined positioning of the machine unit and the power electronics against each other during and/or after assembly. The respective other housing having a complementary cut-out in shape and size for receiving the protrusion, wherein material forming the protrusion and the cut-out is electrically conductive at least in some sections. The protrusion and the cut-out are electrically connected to an earth for the purpose of earthing the power electronics or the machine unit. The electrical drive device and the drive assembly equipped therewith allow the electromagnetic compatibility to be optimized in a cost-effective manner.

Electrical drive device and drive assembly

A drive unit for a drive train of an electrically driven motor vehicle, in particular a hybrid motor vehicle, comprising a first electric machine, a second electric machine and an output shaft. A rotor of the second electric machine is connected to the output shaft for conjoint rotation. The drive unit also comprises a separating clutch, configured to connect a rotor of the first electric machine to the output shaft for torque transmission. The rotor of one of the electric machines is at least indirectly radially supported on the rotor of the other electric machine by at least one rotary bearing.

Drive unit for a drive train of an electrically driven motor vehicle and drive assembly

A drive unit and a drive assembly and a motor vehicle. The drive unit includes a first electric machine and a second electric machine and an output shaft, wherein a rotor of the second electric machine is connected to the output shaft for conjoint rotation. The drive unit further includes a disconnect clutch by which a rotor of the first electric machine can be connected to the output shaft. The drive unit further includes power electronics for controlling at least one of the two electric machines and a flow system for implementing a flow of a coolant, and the drive unit, being a component in the flow system, further includes a heat exchanger by which the coolant can be cooled. The drive unit and the drive assembly constitute equipment that allows control of individual assemblies in an efficient manner and with a low space requirement.

Drive unit for a drive train of an electrically driveable motor vehicle, and drive assembly and motor vehicle equipped with same

A drive unit and a drive arrangement having the drive unit are provided. The drive unit includes a first electric machine and a second electric machine and an output shaft. A rotor of the second electric machine is connected to the output shaft for conjoint rotation and the drive unit has a separating clutch by which a rotor of the first electric machine is connected to the output shaft for torque transmission. The drive unit furthermore has a first flow system for implementing a flow of a first liquid for at least partial cooling of at least one electric machine and a second flow system for implementing a flow of a second liquid, the first flow system and the second flow system being arranged such that heat from the first liquid in the first flow system is transferred to the second liquid in the second flow system.

Drive unit for a drive train of an electrically drivable motor vehicle and drive arrangement having said drive unit

A drive unit () is provided with a first electric machine (), a second electric machine (), a first shaft () and an output shaft (). A rotor () of the first electric machine () is rotationally fixed to the first shaft (), and a rotor () of the second electric machine () is rotationally fixed to the output shaft (). The drive unit () also includes a separating clutch () and a connection element () for the rotationally fixed connecting of an internal combustion engine, and a first gear ratio step () is arranged between the connection element () and the shafts () with a gear ration i&#x3c;1. The drive unit () has an electro-mechanical parking lock unit () with which a rotational movement of the output of the first gear ratio step () can be blocked.

Drive unit drive assembly and hybrid motor vehicle

A hybrid module for a drive train of a motor vehicle includes a housing, an electric machine disposed within the housing. The electric machine having a stator and a rotor arranged radially within the stator. The hybrid module having at least one hydraulically cooled friction clutch arranged radially within the rotor. A cooling device is provided that is configured to cool a plurality of friction surfaces of the at least one friction clutch and which has an annular collecting region coupled to the rotor for conjoint rotation therewith and entraining a hydraulic medium during operation, as well as a scoop section, which is secured to the housing and projects into the collecting region and via which the hydraulic medium is fed to a retaining chamber during operation.

Hybrid module having a hydraulically cooled friction clutch, and hybrid drive train

A drive unit for a powertrain of an electrically drivable motor vehicle, in particular a hybrid motor vehicle, is equipped with a first electric machine as well as a second electric machine and a first shaft as well as an output shaft. The drive unit furthermore has a separating clutch and a connection element for connection for conjoint rotation of an internal combustion engine, and wherein at least the first electric machine is operated in generator mode and the nominal rpm nof the first electric machine has the following relationship to the nominal rpm nof the second electric machine:&#x3e;1.2&#xd7;.

Drive unit and drive arrangement

A hybrid module for a drive train of a motor vehicle includes a dual clutch which has a first sub-clutch and a second sub-clutch for selectively transmitting torque from a first drive unit to a drive shaft. The hybrid module further includes a disconnect clutch for coupling a second drive unit and for transmitting torque from the second drive unit to the drive shaft. At least one rotary feedthrough is provided which is configured on one hand for conveying actuating oil, which is designed for actuation of the disconnect clutch, or on the other hand for conveying cooling oil, which is designed for cooling the disconnect clutch and/or the dual clutch.

Hybrid module having a rotary feedthrough

A conveying device is located inside a clutch device to amplify a fluid flow in an axial direction, i.e. parallel to a rotation axis of the clutch device, and hence the fluid flow can be kept sufficiently great even in the moved portions of a fluid line. The conveying device can be used in clutch devices which are arranged as separating clutches in a hybrid module. The conveying device allows even the complicated fluid lines within hybrid modules to be supplied with sufficient fluid at all times. The conveying device may be arranged at least on the first or second clutch side, and hence the quantity of conveyed fluid is dependent on the rotation speed.

Clutch device with axially-acting fluid conveying device

A drive train for a hybrid motor vehicle comprises a gearbox input shaft, which is operably linked to a first electric machine and an internal combustion engine by a first partial drive train for torque transmission and is operably linked to a second electric machine by a second partial drive train for torque transmission. The second electric machine is permanently connected to the gearbox input shaft for torque transmission. The first electric machine and the internal combustion engine can be connected in a couplable manner to the gearbox input shaft for torque transmission.

Hybrid powertrain with two electric machines and an internal combustion engine

A drive train for a hybrid motor vehicle having a gearbox input shaft operatively connected to a first electric machine and an internal combustion engine via a first partial drive train to transmit torque and which is operatively connected to a second electric machine via a second partial drive train to transmit torque. The second electric machine is permanently connected to the gearbox input shaft for torque transmission and the first electric machine and the internal combustion engine can be connected to the gearbox input shaft in a coupleable manner to transmit torque. The first electric machine and the second electric machine are arranged coaxially to one another, and driven shaft of the first electric machine is arranged radially inside a driven shaft of the second electric machine. The driven shaft of the first electric machine is mounted on the driven shaft of the second electric machine via a bearing.

A drive unit for a drivetrain of a hybrid motor vehicle comprises a first electric machine and a second electric machine, which, in respect of its rotor, is arranged coaxially with an axis of rotation of a rotor of the first electric machine. A first transmission stage is arranged between a drive component, which is configured to be selectively coupled for conjoint rotation to an output shaft of an internal combustion engine, and a power shaft of the first electric machine and/or of the second electric machine. A transmission component unit is provided, via which the power shaft of the respective electric machine is configured to be selectively coupled to wheel driveshafts. The drive component of the internal combustion engine is coupled to an intermediate gear unit via a second transmission stage. The intermediate gear unit has an integrated clutch and is further connected to the wheel driveshafts in such a way that, depending on the position of the integrated clutch, the internal combustion engine is coupled to the wheel driveshafts via at least the second transmission stage or is decoupled from the wheel driveshafts.

Drive unit for a hybrid motor vehicle a with variable output transmission ratio

A hybrid module for a drive train of a motor vehicle, comprises an electric machine which has a stator and a rotor, a torsional vibration damper which has at least one rotary component, and an integrated clutch device which is constructed as a dual clutch. A rotor carrier which receives the rotor is connected directly via a permanent rotary connection to the at least one rotary component. The rotor carrier forms a clutch component of at least one part-clutch of the clutch device.

Hybrid module for a motor vehicle, and drive train having a hybrid module

A clutch system for coupling a drive shaft of a motor vehicle engine to a transmission input shaft of a motor vehicle transmission is disclosed. The clutch system includes a friction clutch for transmitting a torque between a torque-introducing element and a torque-discharging element. The system includes a ramp system for the axial displacement of a pressure plate of the friction clutch, wherein the ramp system has an input ramp and an output ramp, which can be turned in relation to the input ramp to change an axial extent of the ramp system. A pilot clutch for actuating the ramp system based on a differential speed between the torque-introducing element and the torque-discharging element is provided. The clutch system further includes an electromagnet for the magnetic actuation of the pilot clutch, wherein the pilot clutch is arranged between the friction clutch and the electromagnet in the axial direction and the ramp system is arranged radially on the inside in relation to the pilot clutch and/or in relation to the friction clutch.

Growing community of inventors

Bühl, Germany

Andreas Trinkenschuh