Stern tube face seal with funnel-shaped packing

Details Stern tube face seal with funnel-shaped packing Stern tube face seal with funnel-shaped packing

1983-03-09

1984-02-07

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 85, 277 84, 277 92, F16J 1538

Patent

active

044298846

ABSTRACT:
A stern tube seal wherein a rotatable and slidable ring in close contact and sliding with respect to a fixed slidable ring secured to a stern frame side is loosely slipped over a rotating shaft (stern tube), and a packing having a shape of approximately funnel is interposed between said rotatable and slidable ring and a housing secured to said rotating shaft, whereby relative displacement of said rotating shaft with respect to said stern frame is not propagated to said rotatable and slidable ring by elasticity of said packing.

REFERENCES:
patent: 2472257 (1949-06-01), Matter
patent: 2585154 (1952-02-01), Montgomery
patent: 2995391 (1961-08-01), Snyder
patent: 3208756 (1965-09-01), Clayton
patent: 3452994 (1969-07-01), Gyory
patent: 3693985 (1972-09-01), Dillner

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