Abstract: A stator module is disclosed, and a planar drive system with a stator module. The stator module has a lower face opposite an upper face, a stator unit situated on the upper face, and a cooling unit. The stator unit has a coil to which current can be supplied to generate a magnetic field to drive a mover, positionable on the upper face of the stator module. The cooling unit has a cover thermally connected to a lower face of the stator unit and to the bottom of the housing. The bottom of the housing has a first fastening section on the lower face of the stator module, thermally connectable to a heat sink. The cover is designed to conduct heat out of the stator unit to the bottom of the housing, which is designed to conduct the heat at least partially to the first fastening section.

Abstract: A planar-drive system includes a rotor and stator module with a housing, a stator assembly for driving the rotor, and a sensor module for detecting the rotor position. The sensor module has a 2D arrangement of magnetic-field sensors arranged on a carrier in first and second periodic grids, extending in first and second directions. Adjacent magnetic-field sensors are arranged at first and second distances in the first and second directions. The grids are shifted by a vector having first and second components smaller than the respective first and a second distances. The rotor has first and second magnet units, each with an arrangement of magnets with first and second periodic lengths aligned in the first and second directions. The first and second components of the vector, and a difference between the first and second distances and the respective components, are each smaller than the respective first and second periodic lengths.

Abstract: A stator unit for driving a rotor of an electrical planar drive system comprises first and second stator sectors. The first stator sector comprises conductor strips extended in an elongate manner along a first direction, and arranged next to one another along a second direction perpendicular to the first direction. The second stator sector comprises conductor strips extended in an elongate manner along the first direction, and arranged next to one another along the second direction. The first stator sector is arranged adjacent the second stator sector in the first direction. A contact structure comprises a first and a second contact unit groups conductively connected to the conductor strips of the first and second stator sectors. The contact structure is arranged on inner edges of the first stator and second stator sectors, with the inner edges are arranged to bear against one another between the first and second stator sector.

Abstract: A stator module for two-dimensionally driving a rotor having first and second magnet units comprises a stator assembly including first and second stator segments for interacting with drive magnets of the first and second magnet units. The individual stator segments may each be energized independently from the remaining stator segments. The stator assembly comprises first, second, third and fourth stator sectors. The first stator segments of the individual stator sectors each extend in a second direction over all second stator segments of the relevant stator sector arranged side by side, and the second stator segments of the individual stator sectors each extend in a first direction over all first stator segments of the relevant stator sector arranged side by side. Extensions of the stator sectors in the first and second directions are respectively smaller than extensions of a magnet arrangement comprising the magnet units.

Abstract: A stator module for driving a rotor of an electrical planar-drive system comprises a power module, a stator assembly arranged on a top surface of the power module, and a connector. The power module is embodied to provide drive currents for driving the rotor. The stator assembly comprises coil conductors electrically connected to the power module via the connector for charging with the drive currents. The power module and the stator assembly each have a plate-shaped embodiment. The power module is mechanically fastened to the stator assembly by the connector. The stator assembly comprises a contact structure with contact holes arranged side by side, and the power module comprises a connecting arrangement with further contact holes arranged side by side. The connector comprises contact pins arranged side by side to engage in the further contact holes of the connecting arrangement, and in the contact holes of the contact structure.

Abstract: A stator module for electromagnetically driving a rotor of a planar drive system comprises a connection module to provide drive energy. A power module has a current-generating unit to generate a drive current, which drives the rotor, from the drive energy. A stator unit has a coil conductor, to which the drive current can be applied, for generating a magnetic field which drives the rotor. A sensor module comprises a position-detecting unit to detect a position of the rotor over the sensor unit. The sensor module is arranged in a module housing. The stator unit and power module are arranged on a top side of the module housing and the connection module is arranged on a bottom side. The current-generating unit and the connection module are connected via a drive energy line. The drive energy line passes through the module housing in a manner electrically insulated from the sensor module.