Abstract: The invention relates to a planetary transmission for a hybrid drive of a motor vehicle, having three coupled planetary gear sets, having numerous shift elements, and having at least one electric machine, to which a shaft inside the transmission is allocated, wherein, with a first planetary gear set, the ring gear can be connected to a component permanently attached to the housing, and the planet carrier is connected in a driving manner to the ring gear of a second planetary gear set, wherein, with the second planetary gear set, the planet carrier is connected to the ring gear of a third planetary gear set, and the sun gear can be powered by a transmission input shaft, and wherein, with the third planetary gear set, the planet carrier is connected to a transmission output shaft.

Abstract: The invention relates to a planetary transmission for a hybrid drive of a motor vehicle, having three coupled planetary gear sets, having numerous shift elements, and having at least one electric machine, to which a shaft inside the transmission is allocated, wherein, with a first planetary gear set, the ring gear can be connected to a component permanently attached to the housing, and the planet carrier is connected in a driving manner to the ring gear of a second planetary gear set, wherein, with the second planetary gear set, the planet carrier is connected to the ring gear of a third planetary gear set, and the sun gear can be powered by a transmission input shaft, and wherein, with the third planetary gear set, the planet carrier is connected to a transmission output shaft.

Abstract: The electro dynamic machine (1) has a rotatable supported shaft (4) and first and second axial main bearings (6, 7), spaced from one another, which facilitate rotation of the shaft (4). In addition, a third bearing (8) is provided which is designed to at least absorb radial forces created by the shaft (4). A dimensioning is provided for a maximum rotational speed of the shaft (4), and this maximum rotation speed is at least at 50% of an initiation rotational speed of a first natural bending vibration of the shaft (4) having just first and second main bearings (6, 7).

Abstract: A bearing assembly for an electric machine with a stator (1) and a rotor (2) is proposed such that the rotor (2), with its rotor shaft (3), is mounted by bearings (4, 4A) on the housing. The mounting is such that the bearings (4, 4A) are thermally separated from the rotor shaft (3) in order to reduce heat transfer therebetween.