Patent ID: 8485530
Filing Date: 2013-07-16
Classification: F04D,F16J

Abstract:
1. An axial face seal assembly, arranged for joint rotation with a drive shaft in a rotary machine, the axial face seal assembly comprising: a base element and a moving part, wherein the base element is connectable to a drive shaft for joint movement therewith, the moving part presenting a sealing end face and being axially movable in relation to the base element and biased from the base element by a spring, cooperating torque driver means for joint rotational movement of the moving part with the base element, the torque driver means comprising at least one torque driver pin and at least one corresponding aperture into which said torque driver pin is displacably inserted, wherein at least one wear protection pin is arranged between said torque driver pin and said aperture at a force transmitting interface of the torque driver means.