Transmission box (1) comprising an output shaft (5) made of a single piece or at least two shaft sections (5A, 5B), said shaft being insertable into the box (2) in the closed state of the box (2) through at least one (3) of the openings (3, 4) referred to as the insertion opening (3) in the box (2), the box (1) further comprising at least one device (8) for limiting the axial displacement of the output shaft (5) or the output shaft section (5A; 5B), this axial displacement limitation device (8) can be activated to pass from an inactive state to an active state in which any axial displacement of the output shaft (5) or of the output shaft section (5A; 5B) inside the box (1) according to at least one direction opposite to the direction of insertion of the output shaft (5) or the output shaft section into the box (1) is limited or prevented is a device (8) that can be activated in the closed state of the box (1) and is configured to, in the closed state of the box (1), to pass from an inactive state to an active state depending on the position occupied by the output shaft (5) or the output shaft section (5A; 5B) in said box (1) by simple displacement of the output shaft (5) or the output shaft section (5A; 5B) from the or at least one of the insertion openings (3) in the box (1) in the direction of the inside of the box (1).

A power transmission device includes a gear mechanism, a wall part that overlaps with the gear mechanism in an axial direction, a plate provided between the wall part and the gear mechanism in the axial direction, and a park lock mechanism. The park lock mechanism has a parking pawl on a side of a surface of the plate facing the wall part. The park lock mechanism has a manual shaft and/or a detent mechanism on a side of a surface of the plate facing the gear mechanism.

A gearwheel body of structure-borne sound-reducing lightweight construction for electric drives in which shifting of the contact pattern of the wheel body under load is minimized in the case of a gearwheel body having a structured web extending substantially within a radial plane between a shaft seat and a toothed ring. The web has spiral structures that are thickened in a rib-like manner, and the spiral structures are aligned in such a way that their spiral shape meets at least the toothed ring at an oblique angle.

A device (1) for cooling and lubricating components of a vehicle (2) may include a housing (3), a coolant sump (4), a coolant pump (5) for pumping coolant (6) from the coolant sump (4), a heat exchanger (7) for cooling coolant (6) from the coolant pump (5), and a coolant line system (8) including a coolant reservoir (9) having a single coolant inlet (10) and multiple coolant outlets (11.1, 11.2, 11.3, 11.4, 11.5). The coolant line system (8) fluidically connects the coolant pump (5) to the heat exchanger (7), and the heat exchanger (7) to the single coolant inlet (10) of the coolant reservoir (9). The coolant reservoir (9) receives coolant (6) from the heat exchanger (7) via the single coolant inlet (10) and directs coolant (6) via the multiple coolant outlets (11.1, 11.2, 11.3, 11.4, 11.5) onto components in the housing (3) requiring cooling and lubrication.

A reduction gear configured to decelerate and output rotation of a motor includes two-stage planetary gear mechanisms that are provided side by side in an axial direction of the motor and are each configured of helical gears, and a case made of resin and formed into a cylindrical shape, the case incorporating the two-stage planetary gear mechanisms. At least one of an inner engagement ratio of a sun gear and a pinion gear of the planetary gear mechanism in a first stage and an outer engagement ratio of the pinion gear and a ring gear of the planetary gear mechanism in the first stage is 3.0 or more, and both the inner engagement ratio and the outer engagement ratio are larger than an engagement ratio of the planetary gear mechanism in a second stage.

A device (1) for cooling and lubricating components of a vehicle (2) includes at least one housing (3), a coolant sump (4), a first coolant pump (5.1) configured for delivering coolant (6) from a first housing section (A) for accommodating a transmission (12) into the coolant sump (4), a second coolant pump (5.2) configured for delivering coolant (6) from the coolant sump (4) into a coolant line system (8), and a heat exchanger (7) configured for cooling the coolant (6) delivered by the second coolant pump (5.2). The coolant line system (8) fluidically connects at least the second coolant pump (5.2) to the heat exchanger (7) and, at least indirectly, fluidically connects the heat exchanger (7) to multiple coolant outlets (11.1, 11.2, 11.3, 11.4, 11.5) for spraying coolant (6) onto components in the housing (3) that require cooling and lubrication.

A transmission mechanism device of an aspect of the present invention includes a motor, a transmission mechanism including a plurality of gears, a first shaft and a bearing supporting the first shaft and transmitting power of the motor, a housing that accommodates the transmission mechanism and holds the bearing on an inner face, oil that collects in a lower region inside the housing, a catch tank that is disposed inside the housing and opens upward, an oil passage through which the oil passes, and an oil pump provided in the oil passage. The oil passage has a first path connecting the oil pump and the catch tank and a scooping path for scooping the oil by rotation of the gear to guide the scooped oil to the catch tank. The catch tank includes a feed portion for supplying the oil to the gear or the bearing.

A spindle drive assembly for opening and/or closing a vehicle flap including a spindle drive assembly housing extending along a spindle drive axis and, between its axial ends, a stop section acting axially on both sides. A motor gear unit is arranged on a first side of the stop section and a spindle unit is arranged on a second side of the stop section. Furthermore, a vehicle flap with such a spindle drive assembly. In addition, a method of assembling a spindle drive assembly.

A drive device for driving wheels of a motor vehicle includes a housing, an electric machine with a stator and rotor, a first output shaft for driving a first wheel, and a second output shaft for driving a second wheel. Via a differential transmission, first and second planetary gearsets are drivable by the rotor. First and second differential shafts transfer drive power from the differential transmission to the first and second planetary gearsets. The first differential shaft is mounted rotatably on an input shaft via bearings and the rotor is connected non-rotationally to the input shaft. A stable and non-buckling bearing of the second differential shaft in relation to the rotor is carried out via further bearings arranged on the second differential shaft or in the first differential shaft. The further bearings are arranged spaced apart from one another at least at a distance of twice an average bearing diameter.

A rotary table (1) includes a base body (10), a worm wheel (21), an inner ring (22), a plurality of rolling elements, and a worm screw unit (30). The worm screw unit (30) includes a worm screw (31) held to be rotatable around an axis and having a second gear (31A) meshing with the first gear (215), and a worm screw housing (32) surrounding and holding the worm screw (31) and being fixed to contact the holding surface at a planar contacting surface thereof. One of the holding and contacting surfaces has a cylindrical pin (33) arranged to protrude therefrom. The other of the holding and contacting surfaces has a first recess (11) formed to receive the pin (33), the first recess having a width corresponding to the pin (33) and being elongated in the radial direction of the worm wheel (21).