Shaft sealing arrangements

Details Shaft sealing arrangements Shaft sealing arrangements

1990-11-09

1992-06-30

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 14R, 277 25, 277 53, F16J 1532

Patent

active

051256720

ABSTRACT:
The present invention provides a sealing arrangement for effecting a seal with a rotatable shaft having with respect to its longitudinal axis a generally cylindrical shape but with a portion thereof of conical shape, which comprises a shaft seal positioned so that its sealing lip engages the shaft and so that any liquid escaping from a first (liquid) side of the seal to a second (air) side of the seal enters an annular cavity formed on one side by the conical portion of the shaft whose cross-sectional diameter decreases in a direction away from the sealing lip on the second side.

REFERENCES:
patent: 3685838 (1972-08-01), Malmstrom
patent: 3897169 (1975-07-01), Fowler
patent: 4079947 (1978-03-01), Morris
patent: 4186929 (1980-02-01), Burton et al.
patent: 4304412 (1981-12-01), Ladin
patent: 4436317 (1984-03-01), Schmitt
patent: 4437821 (1984-03-01), Ogawa
patent: 4583749 (1986-04-01), Hatch

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