Patent ID: 8613264

Claim:
A gas exchange valve arrangement for an internal combustion engine, comprising: a valve body configured to move in two opposite directions along a straight line; an actuating element configured to actuate the valve body, the actuating element comprising: a space formed in a housing; a piston having a piston rod and being disposed in the space configured to be moved in the two opposite directions along a path of movement such that, as a result of a movement of the piston in at least one of the two opposite directions causes the valve body to move in the at least one of the two opposite directions, a fluid medium in the space, the piston being moveable in response to the fluid medium; a feed opening configured to present the fluid medium into the space; and a throttle device configured to temporarily throttle the movement of the piston in the two opposite directions, wherein the throttle device comprises a plurality of throttle elements, the plural throttle elements extending in the direction of movement of said piston and having different internal cross sections and being located radially outside and directly adjacent to the piston, and wherein there is no positive connection between the piston rod and the valve body, and a pretensioning element for pretensioning said valve body in its closing position said throttle elements constructed so that the nonpositive connection between the piston rod and the valve body is not broken.