Hydrodynamic air thrust bearing with offset bump foils

Details Hydrodynamic air thrust bearing with offset bump foils Hydrodynamic air thrust bearing with offset bump foils

1995-04-18

1996-08-20

Footland, Lenard A.

Bearings

Rotary bearing

Fluid bearing

384106, F16C 1706

Patent

active

055472869

ABSTRACT:
The leading edges of the segmented corrugated springs of each of the two bump foils of a hydrodynamic thrust bearing are offset such that the leading edge in the upper segmented corrugated springs are circumferentially spaced relative to the leading edge of the lower segmented corrugated springs that is underlying each respective segment of the bump foils. In some embodiments the leading edge of the bump foil is attached and the trailing edge is free to move axially and in other embodiments the reverse occurs where the trailing edge of the bump foil is attached and the leading edge is free to move axially.

REFERENCES:
patent: 4621930 (1986-11-01), Gu et al.
patent: 5110220 (1992-05-01), Gu
patent: 5116143 (1992-05-01), Saville et al.
patent: 5498082 (1996-03-01), Nadjafl

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