Abstract: A stator for an electrical refrigerant drive includes a laminated core wound with a stator winding, and a contact adapter mounted on the laminated core for connecting the stator winding to at least one phase connector. The contact adapter has at least one potting pocket and the phase connector is fitted in the potting pocket. A winding portion of the stator winding is guided into the potting pocket and contacted with the phase connector. The potting pocket is filled with a cured potting material. A motor vehicle electrical refrigerant drive having the stator is also provided.

Abstract: A drive device contains a brushless electric motor having a rotor with a rotor shaft coupled to the rotor, and a stator which has a stator support and a rotating field winding or stator winding with a number of phase connection wires. A gear mechanism housing is provided and has an electronics compartment with a printed circuit board which is accommodated in the compartment and has connection points for the phase connection wires. A housing shaft is provided which is coaxial with respect to the axis of rotation of the rotor shaft and in which the stator is accommodated together with the stator support and the rotor is accommodated together with the rotor shaft. A connection adapter is provided in which the phase connection wires are oriented radially and are accommodated in a connection grid which is adapted to the connection points of the printed circuit board.

Abstract: A method for mounting a switching unit on a component of an electric motor, including a component of an electric motor. The component may include a plurality of teeth and coil windings, arranged on the teeth and are formed by winding wire portions, the winding wire portions protruding from the coil windings by means of winding wire ends. A switching unit, which has an arrangement of connecting conductors, is arranged on the component of the electric motor. At least some of the winding wire ends are connected to the connecting conductors of the switching unit. In order to connect the winding wire ends to the connecting conductors of the switching unit, a positioning element, operatively connected to the winding wire ends, and the switching unit are moved relative to each other along a movement plane and the winding wire ends are thereby brought into contact with the connecting conductors.

Abstract: A stator of an electric motor includes a stator main body which supports coils each having two coil ends of a multiphase stator winding. A contact apparatus is disposed on the end face of the stator main body and has an interconnection housing that receives a number of busbars for interconnecting the coils and a number of phase connections. Each phase of the stator winding is formed by at least one of the coils and at least one of the busbars as well as one of the phase connections. The dimensions of the busbars are set in such a way that the electrical resistance of all of the phases of the stator winding is the same. An electric motor having the stator is also provided.

Abstract: A contact apparatus of a stator has an annular interconnection housing which receives a number of busbars for interconnecting coil ends of a stator winding to a number of phase connections. The interconnection housing has an annularly encircling base section and a number of carrier sections that correspond to the number of phase connections. The carrier sections extend axially starting from the base section, wherein the respective phase connection has an axially extending contact section and a connecting section that runs orthogonally to the axially extending contact section. The respective phase connection is inserted into the associated carrier section in such a way that an axial movement of the contact section of the respective phase connection is blocked in the direction of the base section and is permitted in the opposite direction.

Abstract: A stator of an electric motor has a number of radially directed stator teeth, onto each of which an insulating coil carrier for a coil of a multiphase rotating field winding is or can be placed. The stator teeth are connected to one another on the outer circumference on a yoke side, forming stator grooves. On the inner circumference, on a pole shoe side, a groove gap is respectively formed between adjacent stator teeth. Stiffening is provided on the inner circumference on the pole shoe side of the stator teeth, in the form of a stiffening element that projects into the or each groove gap.

Abstract: A stator contains a stator assembly having a number of stator teeth, which are provided with coils of a multi-phase stator winding, and a contact device for interconnecting axially orientated coil ends of the coils with a number of phase connections. The contact device has an interconnection ring fitted on the stator assembly on the end side and has integrated bus bars for interconnecting the coils with the phase connections. The contact device has a ring cover fitted on the interconnection ring. The interconnection ring has a number of axial through-openings corresponding to the number of coils ends, through which the coils ends are guided. The bus bars have contact tabs at the ends of the bar, which are arranged in a region of the through-openings, and on which a respective coil end is contacted. The ring cover covers the coil ends and contact tabs.

Abstract: A stator of an electrical coolant drive includes a stator assembly having a number of stator teeth that are provided with coils of a multi-phase stator winding, and a contact device disposed on the stator assembly on an end side for interconnecting the coils with the phase connections. A deflection region is provided on the outer periphery of the contact device in the region of an inlet of the coolant drive for a fluid flowing in through the inlet. A contact device and an electric coolant drive are also provided.

Abstract: A method for mounting a switching unit on a component of an electric motor, including a component of an electric motor. The component may include a plurality of teeth and coil windings, arranged on the teeth and are formed by winding wire portions, the winding wire portions protruding from the coil windings by means of winding wire ends. A switching unit, which has an arrangement of connecting conductors, is arranged on the component of the electric motor. At least some of the winding wire ends are connected to the connecting conductors of the switching unit. In order to connect the winding wire ends to the connecting conductors of the switching unit, a positioning element, operatively connected to the winding wire ends, and the switching unit are moved relative to each other along a movement plane and the winding wire ends are thereby brought into contact with the connecting conductors.

Abstract: The present invention provides a stator arrangement for an electric three-phase generator, comprising a plurality of stator teeth, comprising a contacting device which is arranged on an end portion of the stator teeth, comprising a continuously wound winding wire which is wound in each case about individual stator teeth in order to form stator tooth windings and portions of which are arranged on the contacting device between the individual stator teeth, comprising a connecting element, which is arranged on the contacting device and designed to electrically connect portions of the winding wire arranged on the contacting device in order to form a star point. The present invention further provides an electric three-phase generator and a method for producing a stator arrangement.

Abstract: The present invention provides a stator arrangement for an electric three-phase generator, comprising a plurality of stator teeth, comprising a contacting device which is arranged on an end portion of the stator teeth, comprising a continuously wound winding wire which is wound in each case about individual stator teeth in order to form stator tooth windings and portions of which are arranged on the contacting device between the individual stator teeth, comprising a connecting element, which is arranged on the contacting device and designed to electrically connect portions of the winding wire arranged on the contacting device in order to form a star point. The present invention further provides an electric three-phase generator and a method for producing a stator arrangement.