Seal equipment for rotary shaft movable in the axial direction

Details Seal equipment for rotary shaft movable in the axial direction Seal equipment for rotary shaft movable in the axial direction

1989-03-09

1991-02-19

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 59, 277 65, 277 81R, 277 91, 277 93R, F16J 1534, F16J 1538

Patent

active

049937219

ABSTRACT:
The space between a rotary shaft movable in the axial direction within and extending from a casing is sealed by a rotary shaft seal component mounted around the rotary shaft and on a cylindrical pipe between the casing and the rotary shaft. The cylindrical pipe is movable in the axial direction in synchronism with the rotary shaft, but does not rotate therewith. Two seals movable in the axial direction are provided for sealing off the space between the casing and the cylindrical pipe.

REFERENCES:
patent: 4381867 (1983-05-01), Ohgoshi

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