Patent ID: 7648279

Claim:
A hydrodynamic fluid film journal bearing assembly comprising: a journal sleeve having a key slot formed therein in a substantially longitudinal direction and an inner diameter surface; a bump foil wrapped in a substantially cylindrical shape adjacent to the journal sleeve, wherein the bump foil has a bent end portion engaged with the key slot; an intermediate foil wrapped in a substantially cylindrical shape adjacent to the bump foil; a top foil wrapped in a substantially cylindrical shape adjacent to the intermediate foil, wherein the top foil and the intermediate foil are joined at a bent region that engages the key slot; a first top foil cutout window formed in the top foil adjacent to the bent region; and a first end tab formed at a free end of the top foil, wherein the first end tab is wrapped with the top foil in the substantially cylindrical shape of the top foil and extends into the first top foil cutout window to reduce skewing of the top foil.