Turbocharger bearing system

Details Turbocharger bearing system Turbocharger bearing system

1983-04-22

1984-10-30

Footland, Lenard A.

Bearings

Rotary bearing

Plain bearing

F16C 1704

Patent

active

044797281

ABSTRACT:
The disclosure illustrates a turbocharger bearing assembly for the shaft which supports a compressor and turbine for rotation. The bearing assembly accomodates axial thrust and comprises a plate with a central aperture through which the shaft extends, the central shaft having a pair of flanges adjacent or opposite faces of the plate. Each face of the plate has a plurality of tapered lands having a low end and high end which define bearing sectors disposed in succession in an arcuate way about the aperture. Each sector, in the radially outer portion thereof adjacent the high end is retrenched along the sector towards the low end of the sector so that along the direction of rotation of the counter thrust surface relative to the sector, the outer portion of the high end terminates before a more radially inner portion of the high end. An oil supply passage feeds oil to the faces of the plate to provide an oil film over the bearing sectors.

REFERENCES:
patent: 3141909 (1964-07-01), Mayo
patent: 3399000 (1968-08-01), Remmers
patent: 3575476 (1971-04-01), Ortman
patent: 4243275 (1981-01-01), Czuszak

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