Abstract: A combustion chamber has a combustion chamber wall formed as a hollow cylinder defining a cylinder axis, a bottom that is adjustable along the cylinder axis within the hollow cylinder, relative to the combustion chamber wall, and a seal, which lies against the bottom on the one side and against the combustion chamber wall on the other side, in a radial direction with reference to the cylinder axis. The seal comprises a first seal ring extending in the circumferential direction with reference to the cylinder axis and has a first interruption, and a second seal ring extending in the circumferential direction with reference to the cylinder axis and has a second interruption. The first interruption has a first angular position along the circumferential direction, and the second interruption has a second angular position along the circumferential direction, wherein the first angular position and the second angular position form an angle.