Patent ID: 8608175
Filing Date: 2013-12-17
Classification: F01D,F02C,F05B,F05D,F16J

Abstract:
1. A mechanical face seal arrangement comprising: a seal member having an annular seal element that is axially moveable for sealing against a rotatable seal surface, the seal member including a seal housing supporting the annular seal element, the seal housing including a flange having a guide slot; and a stop in that extends through the guide slot to establish an axial range of movement of the seal member, the stop pin having a first stop limiting movement of the seal housing in a first direction and a second stop limiting movement of the seal member in a second direction opposite of the first direction, further comprising a spacer sleeve between the flange and the stop pin, the spacer sleeve establishing a spacing between the stop pin and sides of the guide slot of the flange, the spacer sleeve having a non-circular outside surface cross-section, wherein the spacer sleeve is received at least partially into the guide slot.