Patent ID: 8414191

Claim:
A foil bearing assembly, comprising: a bearing housing having an axially extending bore formed therein that is defined by an inner circumferential surface, wherein the inner circumferential surface does not include a slot or a keyway; a shaft arranged within the bore for relative coaxial rotation with respect to the bearing housing, the shaft cooperating with the bearing housing to define an annular gap therebetween; and a foil assembly disposed in the annular gap, the foil assembly further comprising an inner foil portion and a bump foil portion, at least one of the inner foil portion and the bump foil portion having at least one laterally extending tab, the at least one tab extending axially from the annular gap and bent into frictional contact with an outer end surface of the bearing housing to militate against axial movement of the foil assembly, wherein the foil assembly is a one-piece foil, the inner foil portion extends circumferentially in a first direction within the annular gap about the shaft, and the bump foil portion extends circumferentially in a second direction within the annular gap about the shaft.