A motor assembly has an outer stator (40), a rotor assembly (30), a separating can (50), and a first bearing (36) and a second bearing (37). The rotor assembly (30) has an inner rotor (32) and a shaft (31) and defines an axial direction (77) and a radial direction (78) of the motor assembly (20). The motor assembly (20) has a magnetic air gap (53) between the outer stator (40) and the inner rotor (32). The separating can (50) has a split tube component (51) and a separating can base part (52). The split tube component (51) has a split tube section (54). The split tube section (54) extends through the magnetic air gap (53). The outer stator (40) is arranged around the split tube section (54). The split tube section (51) and the separating can base part (52) overlap in a first predefined axial region (55). A seal (60) is provided between the split tube section (51) and the separating can base part (52) in the first predefined axial region (55).

A motor assembly has an outer stator (40), a rotor assembly (30), a separating can (50), and a first bearing (36) and a second bearing (37). The rotor assembly (30) has an inner rotor (32) and a shaft (31) and defines an axial direction (77) and a radial direction (78) of the motor assembly (20). The motor assembly (20) has a magnetic air gap (53) between the outer stator (40) and the inner rotor (32). The separating can (50) has a split tube component (51) and a separating can base part (52). The split tube component (51) has a split tube section (54). The split tube section (54) extends through the magnetic air gap (53). The outer stator (40) is arranged around the split tube section (54). The split tube section (51) and the separating can base part (52) overlap in a first predefined axial region (55). A seal (60) is provided between the split tube section (51) and the separating can base part (52) in the first predefined axial region (55).

A motor includes a housing including a housing base and a housing shaft portion that is provided on the housing base and extends in a direction along a rotation center axis, a motor stator that is disposed outward in a radial direction of the housing shaft portion, a motor rotor that is provided between the motor stator and the housing shaft portion, a bearing that is provided inward in a radial direction of the motor rotor and rotatably supports the motor rotor to the housing shaft portion, a sealing structure that is provided on an opposite side to the housing base in an axial direction of the motor rotor and seals between the motor rotor and the housing shaft portion, and a resolver that is configured to detect rotation of the motor rotor.

A fluid moving apparatus includes an electric motor having a rotor and a stator and a propeller. The rotor rotates relative to the stator on an axis to generate a rotational output. The rotational output is provided to the propeller to power the marine propulsion apparatus. The stator includes one or more coils configured to power rotation of the rotor. The one or more coils extend circumferentially around and can be coaxial on the axis. A portion of a housing of the motor extends into the aquatic environment to facilitate heat dissipation.

An actuator device (1) for generating a longitudinal positioning movement to engage a shift element includes an actuator housing (2) and an electric motor (3). The electric motor (3) has a stator (4) and a rotor (5), the stator (4) being stationarily fixed at the housing (2), and the rotor (5) being rotatable relative to the stator (4) and rotationally fixed to a rotor carrier (6) supported relative to the housing (2) via a fixed bearing (7). The actuator device (1) further includes a threaded drive (8) having a nut (9) and a threaded spindle (10), with the nut (9) being rotationally driveable and axially fixed, and the threaded spindle (10) being axially displaceable along the threaded nut (9) and secured against rotation. The threaded nut (9) is rotationally fixed to the rotor carrier (6) and is at least partially radially within the fixed bearing (7).

A motor case (10) has connectors (30) fixed at motor case mounting holes (11), and an inverter case (50) has connectors (60) radially movable at inverter case mounting holes (65). The inverter case (50) is mounted on the motor case (10) so that the connectors (30, 60) fit together. A surface seal (45) is disposed on a lower surface of a flange (42) at an outer periphery of a housing (35) of the motor-side connectors (30), and is compressed elastically against an upper surface of the motor case (10) at an outer periphery of the motor case mounting holes (11). A metal pressing member (20) is fixed on the motor case (10) and presses the flange (42). An axial seal (47) is fit on the outer periphery of the housing (35) and is compressed elastically between the outer periphery and an inner periphery of the second mounting hole (65).

A motor case (10) has connectors (30) fixed at motor case mounting holes (11), and an inverter case (50) has connectors (60) radially movable at inverter case mounting holes (65). The inverter case (50) is mounted on the motor case (10) so that the connectors (30, 60) fit together. A surface seal (45) is disposed on a lower surface of a flange (42) at an outer periphery of a housing (35) of the motor-side connectors (30), and is compressed elastically against an upper surface of the motor case (10) at an outer periphery of the motor case mounting holes (11). A metal pressing member (20) is fixed on the motor case (10) and presses the flange (42). An axial seal (47) is fit on the outer periphery of the housing (35) and is compressed elastically between the outer periphery and an inner periphery of the second mounting hole (65).

The present invention relates to an in-wheel motor. The in-wheel motor according to an embodiment of the present invention includes: a circular rim to which a tire is coupled by being wrapped around an outer ring thereof and a shaft is connected by passing through a center thereof; a motor assembly which is disposed in an inner portion of the rim and includes a stator connected to the shaft and a rotor disposed to be wrapped around the stator and configured to rotate; a cover coupled to cover one open side surface of the rim and configured to seal the inner portion of the rim; and a lead-out wire entry/exit portion waterproof structure configured to seal an entry/exit portion for a lead-out wire connected to supply power from outside of the in-wheel motor to the inner portion of the rim via a hollow portion of the shaft, wherein the lead-out wire entry/exit portion waterproof structure includes an elastic stopper, to which the lead-out wire is connected to pass through a center thereof and which is configured to be elastically contracted after being inserted into the hollow portion of the shaft in an axial direction and seal between the hollow portion of the shaft and the lead-out wire, and a stopper fixing body fastened to the shaft and configured to press the elastic stopper in the axial direction so that the elastic stopper is inserted and fixed inside the hollow portion of the shaft.

Disclosed is an electric motor, in particular for a vehicle drive. In one example, the electric motor has a housing (12) and a rotor shaft (14) which is accommodated in the housing (12) such that it can rotate via bearings (16). The housing (12) and the rotor shaft (14) are electrically connected to one another via a singular electrically conductive contact ring (42) to ground the rotor shaft (14).

A fluid moving apparatus includes an electric motor having a rotor and a stator and a propeller. The rotor rotates relative to the stator on an axis to generate a rotational output. The rotational output is provided to the propeller to power the marine propulsion apparatus. The stator includes one or more coils configured to power rotation of the rotor. The one or more coils extend circumferentially around and can be coaxial on the axis. A portion of a housing of the motor extends into the aquatic environment to facilitate heat dissipation.