Thrust bearing for turbocharger

Details Thrust bearing for turbocharger Thrust bearing for turbocharger

1985-02-01

1987-01-27

Levy, Stuart S.

Bearings

Rotary bearing

Plain bearing

384112, 384123, 384368, F16C 1704, F16C 3206, F16C 3310

Patent

active

046391487

ABSTRACT:
A thrust bearing for an automobile turbocharger and which sustains a thrust load of the rotor shaft of the turbocharger. The thrust bearing has a first groove for holding lubricating oil supplied to the bearing. A first oil passage extends from the groove toward the axis of the rotor shaft. A second oil passage communicates with the first passage and has oil holes formed therein that extend to tapering lands formed on surfaces on which the rotor shaft bears. The second passage is so disposed that oil is spouted on both sides of the bearing. The lower end portion of the bearing is cut out portion to facilitate removal of oil. The cut out portion constitutes a planar portion of a closed loop on a surface of the bearing. A second groove is formed in the thrust bearing to hold oil discharged from the oil holes to some extent.

REFERENCES:
patent: 2752208 (1956-06-01), Wightman
patent: 2872256 (1959-02-01), Thomson
patent: 2953416 (1960-09-01), Collins et al.
patent: 3834156 (1974-09-01), Cutler et al.
patent: 4358253 (1982-11-01), Okano et al.
patent: 4453837 (1984-06-01), Shimizu et al.
patent: 4479728 (1984-10-01), Miller

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