Sealing arrangement for counter-rotating shafts

Details Sealing arrangement for counter-rotating shafts Sealing arrangement for counter-rotating shafts

1984-03-22

1986-01-07

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 68, 277135, F16J 1542, F16J 1544

Patent

active

045630127

ABSTRACT:
A non-contacting sealing arrangement for sealing two counter-rotating shafts with the aid of a housing having a tire-casing-like shape which surrounds at least one centrifugal disk connected for rotation in unison with one rotatable shaft and laterally surrounded by the casing-like part with a narrow gap; the casing-like part is arranged eccentrically to the axis of the shaft on which the centrifugal disk is mounted in order to thus assure a return feed for the liquid sealing medium, such as oil, to bearing places. The invention enables alternate pressure loads and is particularly suited in applications between at least two bearing chambers of aircraft propulsion units.

REFERENCES:
patent: 813723 (1906-02-01), Longwell et al.
patent: 1487849 (1924-03-01), Grauert
patent: 1895497 (1933-01-01), Stiefel
patent: 1949428 (1934-03-01), McGee
patent: 2153640 (1939-04-01), Podbielniak
patent: 2488200 (1949-11-01), Juhlin et al.
patent: 3068800 (1962-12-01), Mueller
patent: 3068801 (1962-12-01), Murray
patent: 3443813 (1969-05-01), Carlsson

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