Stator arrangement for an electric motor, - having a stator housing which is constructed in an annular manner in cross-section, - having a plurality of coil elements which are arranged adjacent to each other in the stator housing for receiving a respective stator winding, - wherein the coil elements in the peripheral direction of the stator housing are arranged adjacent to each other in it and in each case in a state mounted in the stator housing have at least one radially outwardly protruding securing projection by means of which the coil elements are supported radially outwardly on the stator housing in such a manner that between this one and the coil elements an intermediate space which extends in the peripheral direction is formed, - wherein two coil elements which are adjacent in the state secured to the stator housing are secured to each other by means of the radially outer end portion thereof, - wherein in order to secure two adjacent coil elements to the radially outer end portion a projection which protrudes in the peripheral direction and a recess which is open counter to the peripheral direction and which complements the projection are provided, - wherein in the state secured to the stator housing the projection of a first coil element engages in the respective recess of a second coil element which is adjacent to the first coil element in the peripheral direction, - wherein the projection has in cross-section a circle-segment-like, in particular semi-circle-like, surface contour with a predetermined first radius of curvature (r 1), characterised in that - the recess has in cross-section a first circle-segment-like surface contour which merges in the groove base into a second circle-segment-like surface contour, wherein the two surface contours (19, 20) each have a second radius of curvature (r 2) which is greater than the first radius of curvature (r 1), - the projection is in abutment only in two regions (21a, 21b) in the recess of the adjacent coil element which are located to the side of the groove base. - having a stator housing which is constructed in an annular manner in cross-section, - having a plurality of coil elements which are arranged adjacent to each other in the stator housing for receiving a respective stator winding, - wherein the coil elements in the peripheral direction of the stator housing are arranged adjacent to each other in it and in each case in a state mounted in the stator housing have at least one radially outwardly protruding securing projection by means of which the coil elements are supported radially outwardly on the stator housing in such a manner that between this one and the coil elements an intermediate space which extends in the peripheral direction is formed, - wherein two coil elements which are adjacent in the state secured to the stator housing are secured to each other by means of the radially outer end portion thereof, - wherein in order to secure two adjacent coil elements to the radially outer end portion a projection which protrudes in the peripheral direction and a recess which is open counter to the peripheral direction and which complements the projection are provided, - wherein in the state secured to the stator housing the projection of a first coil element engages in the respective recess of a second coil element which is adjacent to the first coil element in the peripheral direction, - wherein the projection has in cross-section a circle-segment-like, in particular semi-circle-like, surface contour with a predetermined first radius of curvature (r 1), characterised in that - the recess has in cross-section a first circle-segment-like surface contour which merges in the groove base into a second circle-segment-like surface contour, wherein the two surface contours (19, 20) each have a second radius of curvature (r 2) which is greater than the first radius of curvature (r 1), - the projection is in abutment only in two regions (21a, 21b) in the recess of the adjacent coil element which are located to the side of the groove base.