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Metal Working

Foil-bearing

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Foil bearing

Details

Inventors: Silver, Alexander; Wenban, James R.;
Assignee: The Garrett Corporation (Los Angeles, CA)
Primary Examiner: Bertsch; Richard A.
Assistant Examiner:
Attorney, Agent or Firm: Talcott; Joel D., Miller; Albert J.

Disclosed is a foil bearing in which the individual compliant foils are mounted intermediate the ends thereof.

DETAILED DESCRIPTION We claim: 1.
In combination: a pair of members arranged for relative movement with respect to one another; and a compliant foil bearing operably disposed between said pair of relatively rotatable members, said compliant foil bearing comprising a plurality of overlapping compliant foils and means intermediate the ends of each foil for mounting said foils on one of said pair of members.
2.
The combination of claim 1 wherein said mounting means is positioned centrally on each foil.
3.
The combination of claim 1 wherein each of said mounting means comprises a mounting bar attached to one of said foils.
4.
The combination of claim 1 wherein said mounting means is integrally formed on each foil.
5.
The combination of claim 4 wherein said mounting means comprises a generally U-shaped channel.
6.
The combination of claim 1 including foil stiffening means mounted on said one of said pair of members and extending in one direction from said mounting means for increasing the effective stiffness of said foils.
7.
The combination of claim 6 wherein said foil stiffening means is integral with each of said compliant foils.
8.
The combination of claim 1 wherein said foil bearing comprises a journal bearing.
9.
The combination of claim 1 wherein said bearing comprises a conical bearing.
10.
The combination of claim 1 wherein said foil bearing comprises a thrust bearing.
11.
In combination: a pair of members arranged for relative rotation with respect to one another, one of said pair of members being adapted to rotatively support the other; and a plurality of compliant, overlapping bearing foils operably disposed between said pair of relatively rotatable members, each of said plurality of foils having a first free end adjacent one of said pair of relatively rotatable members, a second free end extending between said pair of members and overlapping the first free end of an adjacent foil, and means intermediate said first and second ends for mounting each of said foils on said one of said pair of relatively rotatable members

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