ACTUATION DEVICE FOR A BRAKE SYSTEM, AND BRAKE SYSTEM

An actuation device for a brake system. The actuation device includes an electric machine which is arranged in a motor housing, wherein a rotor of the electric machine is arranged on a rotatably mounted drive shaft in a rotationally fixed manner, and including a movably mounted actuator element, wherein the drive shaft is coupled to the actuator element using a transmission device such that the actuator element can be moved by the electric machine, wherein the transmission device has a worm gear including a worm shaft and a worm wheel, and wherein the drive shaft forms the worm shaft. An axis of rotation of the drive shaft is aligned perpendicularly to a movement axis of the actuator element.