There are provided: a rotor including a rotating shaft and a rotor core; a stator including a stator core and stator windings; bearings; a casing fixed to the stator core and connected to the bearings, which houses the rotor and the stator; and an electrostatic shield connected to the casing. The electrostatic shield has a plurality of opening holes by which a space in which the stator is disposed is communicated with a space in which the rotor is disposed.

The invention relates to a stator device (1) for an electric machine of a flywheel mass accumulator device, having a laminsting unit (2), having a winding (5) and at least two vacuum-side motor phase connection cables (6) connected to the winding (5), having a cylindrical sleeve unit (3), on the outer lateral surface (3a) of which the laminating unit (2) is arranged, and having a sealing unit (7), which is arranged on an inner circumferential surface (3b) of the sleeve unit (3) and which is designed to connect the vacuum-side motor phase connection cables (6) in each case in a vacuum-tight manner to a respective circumferential-side motor phase connection cable (6′), in order to provide a stator device (1), which is improved in terms is of its installation space requirement, for an electric machine of a flywheel mass accumulator device.

Electric machine (10), in particular for adjusting movable parts in a motor vehicle, having a stator housing (22) which accommodates a stator (12) and a rotor (14), wherein the rotor (14) has a rotor shaft (16), and the stator housing (22) has an axial opening (24) through which the rotor shaft (16) projects out of the stator housing (22), wherein an electrically conductive shielding plate (29) is arranged transverse to the rotor shaft (16) and substantially covers the entire opening (24), and an electrically conductive sliding contact (77), which is electrically conductively connected to the shielding plate (29), is formed on the rotor shaft (16).

A drive assembly for a vehicle includes a converter comprising a converter housing and an electric converter circuit disposed in said converter housing, an electric machine comprising a machine housing disposed adjacent to the converter housing and a stator/rotor arrangement disposed in the machine housing, a plurality of conductor bars which electrically connect the converter circuit and the stator/rotor arrangement and extend through first passage openings formed in the converter housing and through second passage openings formed in the machine housing, and a shielding frame which is made of an electrically conductive material, is disposed between the converter housing and the machine housing, encloses the plurality of conductor bars and abuts the converter housing and the machine housing.

An electric motor assembly includes a housing having a generally cylindrical inner surface defining a generally cylindrical cavity within the housing, a stator operatively disposed within the generally cylindrical cavity, the stator including a plurality of stacked laminations wherein each lamination has an outer circumferential edge and a plurality of finger elements extending inward, and a layer of polymer disposed between a generally cylindrical outer surface of the stator and the generally cylindrical inner surface of the housing, such that the stator is fastened to the housing by the polymer. A method of manufacturing the electric motor assembly includes disposing a stator within a housing such that a gap is defined between the stator and the housing and the stator is not directly connected to the housing, and substantially filling the gap with a polymer capable of fastening the stator to the housing by only the polymer.

A linear conveyor includes a linear motor stator including a stator including a core and a coil, and a magnetic sensor configured to detect a position of a slider. The linear conveyor further includes a magnetic shielding member arranged between the magnetic sensor and the linear motor stator and configured to shield magnetic flux from the linear motor stator toward the magnetic sensor.

A method of manufacturing of the bus bar assembly includes preparing a mold, positioning a bus bar and a shield in the mold, and molding a bus bar holder. The positioning includes inserting first positioning pins into bus bar through holes to cause the first positioning pins to hold the bus bar, providing the shield in the mold in a state where a lower surface of the shield and a distal end of the first positioning pin are in contact with each other, bringing a second positioning pin into contact with an upper surface of the shield and positioning the shield in a vertical direction, and bringing a third positioning pin extending downward from a lower surface of an upper mold into contact with an upper surface of the bus bar to position the bus bar in the vertical direction.

An electric motor assembly includes a housing having a generally cylindrical inner surface defining a generally cylindrical cavity within the housing, a stator operatively disposed within the generally cylindrical cavity, the stator including a plurality of stacked laminations wherein each lamination has an outer circumferential edge and a plurality of finger elements extending inward, and a layer of polymer disposed between a generally cylindrical outer surface of the stator and the generally cylindrical inner surface of the housing, such that the stator is fastened to the housing by the polymer. A method of manufacturing the electric motor assembly includes disposing a stator within a housing such that a gap is defined between the stator and the housing and the stator is not directly connected to the housing, and substantially filling the gap with a polymer capable of fastening the stator to the housing by only the polymer.

A motor may include a shield member that screens a magnetic field between a stator and a rotor, and a moving member that controls a position of the shield member in response to an electromagnetic interaction with the stator such that the screening of the magnetic field is configured to be selectively performed. The motor may prevent a generation of a counter electromotive force or regenerative braking.

Various embodiments may include a drone for triggering sea mines by means of an external magnetic field. For example a drone may include: a drive having an electric motor; the electric motor comprising a stator and a rotor mounted on a shaft. The stator includes a stator winding arranged on a first carrier. The rotor includes a second carrier and a magnetic or electromagnetic element arranged on the second carrier. The element may be configured to magnetically interact with the stator winding to form a superordinate magnetic field during operation of the electric motor. During operation, the electric motor forms an external magnetic field outside of the electric motor with a magnetic flux density of at least 0.5 mT.