Patent ID: 9441485
Filing Date: 2016-09-13
CPC Classification: F01C,F04C

Claim Text:
1. A piston assembly, comprising: a rotary piston, wherein the rotary piston comprises an axis of rotation, wherein the rotary piston defines a central bore having a bore axis and wherein the rotary piston includes at least two curved constraint surfaces, and wherein the bore axis substantially corresponds to the first axis of rotation, a hollow-cylindrical bearing ring configured to be at least partially inserted in the central bore, and at least one fuse body configured to connect the rotary piston and the hollow-cylindrical bearing ring, and to transmit opposing forces in opposite axial directions with respect to the axis of rotation of the rotary piston and the hollow-cylindrical bearing ring, wherein an elastic restoring force of the at least one fuse body generates a radial force with respect to the central bore.