Adjustable clearance foil journal bearing and method of manufact

Details Adjustable clearance foil journal bearing and method of manufact Adjustable clearance foil journal bearing and method of manufact

1979-08-30

1981-10-20

Schmidt, Frederick R.

Cutlery

308 26, 308121, F16C 3206

Patent

active

042956897

ABSTRACT:
A fluid-film journal bearing includes a resilient foil insert assembly mounted in the bore of a retaining member and having a bearing surface cooperative with the bearing surface of a rotatable journal. The retaining member has a slit extending tangential to the bore with associated means for retaining the foil and for varying the bearing clearance. The resilient foil insert comprises a continuous length of foil coiled into a plurality of layers with the innermost layer providing said bearing surface and another layer preformed into successive, undulating curves having alternating peaks and valleys.
A method for fabricating the foil insert includes the use of a pair of cooperating toothed rolls to deform a portion of the foil insert into the aforesaid undulations.

REFERENCES:
patent: 4097094 (1978-06-01), Gardner
patent: 4133585 (1979-01-01), Licht

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