Abstract: Parking lock (1, 19, 24) for a motor vehicle, having a movable locking means for impinging a parking lock wheel (14), disposed in the interior of a transmission housing (2), with a holding force, wherein the movable locking means, by means of a shifting shaft (3) that is rotatable by a drive motor (4) and a cam (7) that is coupled to the shifting shaft (3) is pivotable between a releasing state, in which the parking lock wheel (14) is rotatable, and a blocked state, in which a rotation of the parking lock wheel (14) is blocked, wherein the drive motor (4) is disposed outside the transmission housing (2), the shifting shaft (3) penetrates the transmission housing (2), and the cam (7) is disposed within the transmission housing (2). The invention moreover relates to a transmission having a parking lock (1, 19, 24) of this type, and to a drive installation for electrically drivable motor vehicle.

Abstract: Specified is a rotor (2, 2a, 2b) for an electric machine (1), said rotor (2, 2a, 2b) comprising a rotor shaft (3); a laminated rotor core (4) which by way of an interference fit sits on the rotor shaft (3); a first rotor holder (6, 6a, 6b) which on the rotor shaft (3), so as to be adjacent to the laminated rotor core (4), is assembled on a first side of the latter with the aid of an interference fit; and/or a second rotor holder (7, 7a, 7b) which on the rotor shaft (3), so as to be adjacent to the laminated rotor core (4), is assembled on a second, opposite side of the latter with the aid of an interference fit. Moreover specified are an electric machine (1) having such a rotor (2, 2a, 2b) and a vehicle (22) having such an electric machine (1).

Abstract: The inverter (110) comprises input terminals (IT+, IT?), output terminals (OT), controllable switches (Q, Q?) connected to the input terminals (IT+, IT?) and to the output terminals (OT) and a control device (116) configured to control the controllable switches (Q, Q?) so as to convert a DC voltage at the input terminals (IT+, IT?) into an AC voltage at the output terminals (OT) intended to drive an asynchronous electric motor (108) to achieve a target torque (T*), selectively: in a first mode of operation in which the target torque (T*) is determined according to a torque determination method, and in response to a rotor temperature (Tr), in a second mode of operation in which losses in the rotor are decreased relative to the first mode of operation while the target torque (T*) remains determined according to the torque determination method of the first mode of operation.

Abstract: A method for producing a stator/housing arrangement for an electrical machine (1) having a stator (5) and a housing (2), wherein a housing part (3, 3a . . . 3c) of the housing (2) has at least one circumferential housing slot (4, 4a . . . 4c) and a stator laminated core (6, 6a . . . 6c) of the stator (5) has at least one circumferential stator slot (9, 9a . . . 9c). Here, the stator laminated core (6, 6a . . . 6c) is placed or pressed into the housing part (3, 3a . . . 3c) in a position in which the stator slot (9, 9a . . . 9c) and the housing slot (4, 4a . . . 4c) have a region of intersection (B). Afterwards, a potting compound (15) is introduced into the stator slot (9, 9a . . . 9c) and the housing slot (4, 4a . . . 4c). Furthermore, the invention specifies an electrical machine (1) with a stator/housing arrangement having the properties specified above, and a vehicle (19) with such an electrical machine (1).

Abstract: An inverter having input terminals, output terminals, a DC link capacitor connected to the input terminals and configured to smooth a DC voltage present at the input terminals is disclosed. Controllable switches are connected to the DC link capacitor and to the output terminals, and a control device is also provided. The control device controls the controllable switches such that the controllable switches convert the DC voltage into an AC voltage at the output terminals. The controllable switches are controlled according to a first switching control scheme including a first modulation technique and a first switching frequency, and according to a second switching control scheme in response to a temperature of the DC link capacitor, the second switching control scheme causing less losses in the DC link capacitor than the first switching control scheme.

Abstract: Described is an electrical machine (1, 1a) which comprises a first end shield (6, 6a) and a second end shield (7, 7a), a stator (5) which is arranged between the two end shields (6, 6a, 7, 7a) and has a stator laminated core (10) and stator windings (11) arranged therein, and a rotor (3) which is arranged in the stator (5) and has a rotor shaft (2, 2a) mounted rotatably in the two end shields (6, 6a, 7, 7a). The electrical machine (1, 1a) furthermore comprises a stator casing (8, 8a) which is arranged circumferentially around the stator (5) and which is mounted on the two end shields (6, 6a, 7, 7a) and which is spaced apart from the stator (5) at all points. Also specified is a vehicle (15) having an electrical machine (1, 1a) of said type.

Abstract: A power module for an inverter is disclosed. The power module has a base plate with a first base plate side and a second, opposite base plate side, controllable electronic switches arranged on the first base plate side, inputs and outputs, which are electrically connected to the electronic switches. The power module is designed to convert an input voltage applied to the inputs to an output voltage applied to the outputs by the electronic switches. The power module also includes a plurality of cooling devices attached to the second base plate side. The cooling devices each have loops arranged one behind the other. The loops of a first group of cooling devices are inclined with respect to the loops of a second group of cooling devices, and/or the loops of each group of cooling devices protrude from the second base plate side to different distances.

Abstract: The electrical system comprises a cover (206) for closing the compartment (204) defined in a housing (202). The electrical system further comprises a removable element (214) configured to be mounted proximate to the housing (202), and a mobile hook (208) attached to one amongst the cover (206) and the housing (202), and configured to take an engaged position with the other amongst the cover (206) and the housing (202) and a disengaged position from the other from the cover (206) and the housing (202), wherein the removable element (214), when mounted proximate to the housing (202), is configured to cooperate with the mobile hook (208) to prevent the cover (206) from being separated from the housing (202), thereby preventing an opening of the compartment (204).

Abstract: The invention concerns a stator of an electric rotating machine, the stator comprising a housing, a stator core (1), windings, and a distribution ring (2), the stator core (1) having inner and outer (11) longitudinal grooves, the outer longitudinal grooves (11) and the housing forming axial cooling channels configured to channel a coolant; the windings being located within the inner longitudinal grooves and forming at each end of the stator core (1) protruding windings ends, the distribution ring (2) being contiguous to the stator core (1) and comprising recesses (21) extending the outer longitudinal grooves (11), the recesses (21) being configured to guide the coolant from the outer longitudinal grooves (11) towards the protruding windings ends, such that the coolant flows over the protruding windings ends under the effect of gravity and/or due to the pressure of the coolant to cool the protruding windings ends.

Abstract: Rotor for an electrical machine has a rotor core with a plurality of radially outwardly extending rotor legs, a number of exciter windings corresponding to the number of rotor legs, each wound around one of the rotor legs, and a separating device, having a number of separating portions corresponding to the number of rotor legs, which are arranged between a respective pair of adjacent exciter windings and extend axially between two opposing end faces of the rotor, a first annular connecting portion which connects together the separating portions at one of the end faces, and a second annular connecting portion which connects together the separating portions at the other of the end faces.

Abstract: A rotor (1) comprising a rotor shaft (13), a rotor core (14) having a core length, windings (12), and two impregnation rings (11), the windings (12) forming protruding windings ends (121), each one of the two impregnation rings (11) comprising an annular portion (111) and a deflector portion (112), the annular portion (111) comprising radial openings (113); and a method for impregnating the rotor (1) comprising starting a rotation of the rotor shaft (13) and impregnating the windings (12) with an impregnating agent through two nozzles respectively located upward each one of the two impregnation rings (11) and oriented towards the radial openings (113), the impregnation agent being guided by the deflector portion (112) towards the protruding windings ends (121) on both sides of the rotor (1) at a same time, in order to impregnate the windings (12) through the core length.

Abstract: Rotor (1) for an electrical machine (101), having: a rotor core (2) with a plurality of radially outwardly extending rotor legs (3); a number of exciter windings (4) corresponding to the number of rotor legs (3), each wound around one of the rotor legs (3); and a pot-like end cap (5) which covers the end faces of the exciter windings (4) and has a passage opening (6) for a shaft (7), wherein the exciter windings (4) and the end cap (5) delimit intermediate spaces (16), in each of which a casting compound (17) is arranged.

Abstract: Described is an electrical machine (1) which comprises two end shields (6, 7), a stator (5) which is arranged between the two end shields (6, 7) and has a stator laminated core (11, 11a) and stator windings (12) arranged therein, and a rotor (3) which is arranged in the stator (5) and has a rotor shaft (2) mounted rotatably in the two end shields (6, 7). The electrical machine (1) furthermore has cooling channels (13) arranged fully in the stator laminated core (11, 11a) and edged by the latter. Furthermore described are a gear motor (30) comprising such an electrical machine (1), as well as a vehicle (20) comprising such an electrical machine (1).

Abstract: The rotating electrical machine (100) comprises: a stator (102) and an housing (116) extending around the stator (102). The housing (116) is provided with a deformation having the shape of a bump (128) projecting inwardly for cooperating with the stator (102) for preventing the stator (102) from rotating with respect to the housing (116).

Abstract: A stator (5) for an electrical machine (1) is described, which comprises an annular stator base body (7) with stator grooves (13, 13a, 13b) which are open towards the inside, and stator coils (14a, 14b) of a stator winding (8) which are arranged in the stator grooves (13, 13a, 13b) and assigned to a plurality of phases (L1 . . . L3) of the electrical machine (1). Adjacent stator coils (14a, 14b) of the same phase (L1 . . . L3) are here contra-wound and electrically connected in parallel. Furthermore, an electrical machine (1) with such a rotor (3a . . . 3c), and a drive arrangement and a vehicle (17) with such an electrical machine (1) are described.

Abstract: Housing (1) for an electrical machine, which has at least one connector (2) arranged spaced apart from an outer face (6) of the housing (1), for screw fixing of the housing (1), and at least one rib (5, 8) which connects together a contact face (3) of the connector (2) and the outer face (6) of the housing (1), wherein the outer face (6) of the housing (1) has a recess (9, 10) in an extension of the rib (5, 8). In addition, an associated electrical machine and a vehicle with such an electrical machine are described.

Abstract: The invention relates to a stator, an electric machine comprising the stator, a vehicle comprising the electric machine, and a method for producing the stator. The stator comprises a stator laminated core and a housing element. The stator laminated core comprises a plurality of layered stator laminations, wherein each stator lamination has a plurality of tooth portions, each formed radially inwardly at an angular position, and indentations radially outwardly at each of the angular positions, each of which indentations has an at least partially curved edge having two radially outwardly curved edge portions, which meet at a point of intersection and describe an arc of a circle segment. The housing element comprises a cylindrical inner volume, in which the stator laminated core is arranged, the indentations forming cooling channels.

Abstract: An arrangement for an electric machine (1) is disclosed, which comprises a housing (12) with a stopper (13) and a stator (4) arranged in the housing (12). The stator (4) comprises a stator lamination stack (6), stator windings (7) and a stator end disc (8a, 8b) arranged on the axial end of the stator lamination stack (6). In the mounted position, the stator lamination stack (6) on the axial end, on which the stator end disc (8a, 8b) is arranged, is in body contact with the stopper (13) of the housing (12). In detail, the stopper (13) has an annular shape thereby providing a radial gap (b) between the stopper (13) and the stator end disc (8a, 8b). Moreover, the invention relates to a method for manufacturing such an arrangement, an electric machine (1) having such an arrangement and a vehicle (16) having such an electric machine (1).

Abstract: A rotor (3a . . . 3c) for an electrical machine (1) is described which comprises several rotor segments (10a . . . 10c, 10a?, 10a?, 10 . . . 10??) which are arranged successively along the rotational axis (x) of the rotor (3a . . . 3c) and each comprise a rotor plate (11) or several rotor plates (11). Magnetic poles (A . . . D) of two adjacent rotor segments (10a . . . 10c, 10a?, 10a?, 10 . . . 10??) are twisted relative to one another around the rotational axis (x) of the rotor (3a . . . 3c) by a staggering angle (?), wherein the staggering angle (?) is smaller than a polar angle (?) lying between two magnetic poles (A . . . D) of a rotor segment (10a . . . 10c, 10a?, 10a?, 10 . . . 10??). The rotor (3a . . . 3c) comprises at least two first cutouts (12) which are arranged on a first hole circle (L1) around the rotational axis (x) of the rotor (3a . . . 3c) and are each twisted relative to one another by an angle (?) which corresponds to the polar angle (?) minus or plus the staggering angle (?).

Abstract: Transport cover (3), configured to be mounted to an electric machine (2), the electric machine (2) having a housing (4) with an end shield (5), a rotatable shaft (6) extending along a rotation axis (7) through the end shield (5) out of the housing (4) and a bearing (8) supporting the shaft (6) and mounted to the end shield (5), the transport cover (3) comprising a fixation section (11) fixable at the housing (4), a cover section (12) forming an accommodation space (14) for a stub (6a) of the shaft (6), and a through-hole (15) allowing to apply a lubricant from the outside of the transport cover (3) to the bearing (8) in a mounted state, in which the fixation section (11) is fixed at the housing (4).