Shaft sealing device for turbocharger

Details Shaft sealing device for turbocharger Shaft sealing device for turbocharger

1978-07-14

1980-04-15

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277133, 277170, 277217, 415110, 417407, F16J 1540

Patent

active

041980638

ABSTRACT:
A shaft sealing device for turbocharger wherein the outer peripheral surface of a piston or shaft sealing ring and its mating surface of the shaft bore of a bearing casing are axially tapered or diverted at the same positive angle toward the high pressure side, whereby wear of the ring may be avoided and the leakage of gases from the turbine into the bearing casing and the leakage of oil from the bearing casing to the turbine may be prevented.

REFERENCES:
patent: 1724902 (1929-08-01), Bentley
patent: 2686657 (1954-08-01), Kalitinsky
patent: 2912264 (1959-11-01), Peck
patent: 3097855 (1963-07-01), Allen
patent: 3174720 (1965-03-01), Sproule
patent: 3512788 (1970-05-01), Kilbane
patent: 3728857 (1973-04-01), Nichols
patent: 3961867 (1976-06-01), Woollenweber

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