ZF Friedrichshafen

The invention relates to an electrical drive axle (2) for a vehicle (1). The electrical drive axle (2) comprises an electrical motor (10) and a gearing (3). The electrical motor (10) comprises a rotor (11) mechanically connected to a rotor shaft (12). The gearing (3) comprises an input shaft (4) and an output shaft (5). The output shaft (5) is arranged coaxially to the rotor shaft (12). The input shaft (4) is operatively connected to the rotor shaft (12). The output shaft (5) is configured to receive cooling fluid. The output shaft (5) is also configured to enable at least a part of the received cooling fluid to flow from the output shaft (5) to the rotor shaft (12) for cooling the rotor (11). The invention also relates to a vehicle (1) with the electrical drive axle (2).

The invention relates to an electrical drive axle (2) for a vehicle (1). The electrical drive axle (2) comprises an electrical motor (10) with a stator (13) having an axial direction (90). The electrical drive axle (2) also comprises a cooling fluid supply and an ejecting device (29; 31). The ejecting device (29; 31) is configured to eject cooling fluid in the axial direction (90) of the stator (13) onto the stator (13) for cooling the stator (13). The invention also relates to a vehicle (1) with the electrical drive axle (2).

The invention relates to a gearing for a vehicle. The gearing comprises two planetary gear sets and a driven shaft for receiving power from a driving unit. An input shaft is configured to receive power from the driven shaft. A first planetary gear set is connected to a first output shaft for outputting power to a first drive shaft. The first planetary gear set is connected to a second planetary gear set. An element of the second planetary gear set is non-rotatably connected to a stationary member. The second planetary gear set is connected to a second output shaft for outputting power to a second drive shaft. A reduction unit is arranged in a power flow from the driving unit to the first and second drive shafts for converting an input rotational speed to a lower output rotational speed.

The present disclosure relates to an electric motor arrangement comprising an electric motor (7) comprising a stator (9) and a rotor (10), a shaft (4), a first bearing (12), a second bearing (13) and a conducting element (14). The rotor (10) is mechanically operatively coupled to the shaft (4), the first bearing (12) and the second bearing (13) are mounted on the shaft (4), and the conducting element (14) is in electrical contact with the shaft (4). The first bearing (12) has a lower electrical conductivity than the second bearing (13) and the conducting element (14) has a higher electrical conductivity than the second bearing (13). The present disclosure further relates to a drive system (3) for a vehicle (1) comprising such an electric motor arrangement. The present disclosure further relates to a vehicle (1) comprising such an electric motor arrangement or such a drive system (3).

The invention relates to a gearing (10) for a vehicle (1). The gearing (10) comprises a planetary gear set (70) with multiple planetary gear elements (71, 72, 73, 74, 75, 76). The gearing (10) further comprises a lubricant receiving space (20) and a chamber (30) for capturing lubricant of the gearing (10) churned from the lubricant receiving space (20) by one planetary gear element (73) as the one planetary gear element (73) rotates in a circumferential direction (92). The gearing (10) also comprises a guiding structure (40) for guiding the churned lubricant in the circumferential direction (92) between the guiding structure (40) and the one planetary gear element (73). The invention also relates to a vehicle (1) with such a gearing (10).

The invention relates to an electrical drive axle (2) for a vehicle (1). The electrical drive axle (2) comprises an electrical motor (10) with a stator (13) having a radial direction (91). The electrical drive axle (2) also comprises a cooling fluid supply and an ejecting device (29; 31). The ejecting device (29; 31) is configured to eject cooling fluid in the radial direction (91) of the stator (13) onto the stator (13) for cooling the stator (13). The invention also relates to a vehicle (1) with the electrical drive axle (2).

Die Erfindung betrifft ein Befestigungssystem für ein Befestigen eines Antriebsstrangs einer Windkraftanlage (10) an einer Gondel (20) der Windkraftanlage (10). Das Befestigungssystem weist ein Rotorlagergehäuse (40), ein stationäres Bauteil und ein erstes Lager (18) auf. Das erste Lager (18) ist zum drehbaren Lagern einer Rotorwelle (16) des Antriebsstrangs in dem Rotorlagergehäuse (40) befestigt. Das Rotorlagergehäuse (40) ist weiterhin zum Befestigen an einem Maschinenbett (42) der Gondel (20) ausgebildet. Das Befestigungssystem ist zur Fixierung der Rotorwelle (16) an dem stationären Bauteil für eine Demontage des ersten Lagers (18) ausgebildet. Außerdem betrifft die Erfindung eine Windkraftanlage (10) und ein Verfahren zur Demontage eines ersten Lagers (18) von einem Rotorlagergehäuse (40) einer Windkraftanlage (10).

The present invention relates to a planetary carrier (20) for a planetary gear set (80). The planetary carrier (20) comprises an axle (22) configured for supporting a planet gear and having a first axial end (23) and a second axial end (24). The planetary carrier (20) comprises a frame (26) for supporting the axle (22). The axle (22) is joined to the frame (26) by being partially pressed into the frame (26). The frame (26) comprises a hole (28) with an abutment surface (30) for axially abutting the first axial end (23) of the axle (22) pressed into the hole (28). The invention also relates to a gearing (10) with the planetary carrier (20), to a vehicle (1) and to a method for assembling a planetary carrier (20).

The present disclosure relates to a planetary gear arrangement (40) for a distribution gearing (2), comprising a first structure (75), a planet gear (74) rotatable about an axis of rotation relative to the first structure (75) and a first thrust bearing (20). The first thrust bearing (20) has a first bearing element (22) and a second bearing element (28) rotatable relative to the first bearing element (22). The first thrust bearing (20) is arranged between the planet gear (74) and the first structure (75) in the direction of the axis of rotation. A torque may be transferred between the planet gear (74) and the first bearing element (22) of the first thrust bearing (20) and between the second bearing element (28) of the first thrust bearing (20) and the first structure (75). The present disclosure further relates to a distribution gearing (2) for a vehicle (1) comprising such a planetary gear arrangement. The present disclosure further relates to a vehicle (1) comprising at least one of such a planetary gear arrangement and such a distribution gearing (2).

Die Erfindung betrifft eine Befestigungsanordnung zum Befestigen eines Antriebsstrangs an einer Windkraftanlage (10). Die Befestigungsanordnung weist ein Gehäuse (40), ein erstes Lager (18) und ein zweites Lager (38) auf, mittels welchem eine Rotorwelle (16) drehbar an dem Gehäuse (40) gelagert ist. Das erste Lager (18) ist axial an einem rotorseitigen Endbereich (50) des Gehäuses (40) angeordnet. Das zweite Lager (38) ist axial an einem generatorseitigen Endbereich (52) des Gehäuses (40) angeordnet. Die Befestigungsanordnung weist einen ersten Befestigungsbereich (60) in einem ersten Axialbereich (54) und einen zweiten Befestigungsbereich (62) in einem zweiten Axialbereich (56) auf. Das Gehäuse (40) ist an den Befestigungsbereichen an einer Gondel (20) der Windkraftanlage (10) befestigbar. Der zweite Axialbereich (56) ist zu dem generatorseitigen Endbereich (52) axial beabstandet. Zudem bezieht sich die Erfindung auf eine Windkraftanlage (10).