Electromagnetic actuator

An electromagnetic actuator, comprising:

• a coil assembly with at least one coil core and a coil, which is arranged circumferentially around the coil core;
• a movable magnetic armature body as a movable actuator element, which can be moved by a magnetic field generated by the coil assembly, wherein the armature body is supported by a bearing assembly and can be moved from a first position into a second position,
• wherein the bearing assembly has:
• at least two depressions in a first bearing section, which is formed on the armature body, wherein the depressions are integrated into the armature body and are arranged at a distance from one another in the direction of a bearing axis of the armature body and are of at least partly cylindrical bowl-type design, and
• at least two elevations in a second bearing section, which is formed on the actuator on the same side as the coil assembly, wherein the elevations are arranged at a distance from one another in the direction of the bearing axis of the armature body and are of at least partly cylindrical design and each of which engages in one of the depressions;
• wherein at least one of the depressions is configured so that an end face of the at least one of the depressions which is closer to the respective other depression is of an arched or spherical configuration or configured to be flattened out of the cylindrical bowl-type shape.

An electromagnetic actuator, comprising:

• a coil assembly with at least one coil core and a coil, which is arranged circumferentially around the coil core;
• a movable magnetic armature body as a movable actuator element, which can be moved by a magnetic field generated by the coil assembly, wherein the armature body is supported by a bearing assembly and can be moved from a first position into a second position,
• wherein the bearing assembly has:
• at least two depressions in a first bearing section, which is formed on the armature body, wherein the depressions are integrated into the armature body and are arranged at a distance from one another in the direction of a bearing axis of the armature body and are of at least partly cylindrical bowl-type design, and
• at least two elevations in a second bearing section, which is formed on the actuator on the same side as the coil assembly, wherein the elevations are arranged at a distance from one another in the direction of the bearing axis of the armature body and are of at least partly cylindrical design and each of which engages in one of the depressions;
• wherein at least one of the elevations is configured so that an end face of the at least one of the elevations which is closer to the respective other elevation is of an arched or spherical configuration or configured to be flattened out of the cylindrical shape.

An electromagnetic actuator, comprising:

• a coil assembly with at least one coil core and a coil, which is arranged circumferentially around the coil core;
• a movable magnetic armature body as a movable actuator element, which can be moved by a magnetic field generated by the coil assembly, wherein the armature body is supported by a bearing assembly and can be moved from a first position into a second position,
• wherein the bearing assembly has:
• at least two depressions in a first bearing section, which is formed on the armature body, wherein the depressions are integrated into the armature body and are arranged at a distance from one another in the direction of a bearing axis of the armature body and are of at least partly cylindrical bowl-type design, and
• at least two elevations in a second bearing section, which is formed on the actuator on the same side as the coil assembly, wherein the elevations are arranged at a distance from one another in the direction of the bearing axis of the armature body and are of at least partly cylindrical design and each of which engages in one of the depressions;
• wherein the elevations have a depth of penetration into the depressions such that the bearing axis is arranged deeper than a surface of the armature body outside the depressions.