Shaft seals

Details Shaft seals Shaft seals

1979-10-12

1981-05-05

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277115, 277117, 277173, 277190, 277198, 251128, 251214, 251326, F16K 4116, F16K 4300, F16J 1526

Patent

active

042654572

ABSTRACT:
A shaft seal incorporates a casing formed with a stepped bore both diameters of which are greater than the diameter of the shaft fitted to the bore. A bearing sleeve fitting the shaft is located in the smaller diameter portion of the bore. A seal-carrying ring held captive within the larger diameter portion of the bore is formed to support at each end a sealing ring in contact with the shaft and a sealing ring located between the outer surface of the ring and the casing.

REFERENCES:
patent: 2511260 (1950-06-01), Heinrich
patent: 2842336 (1958-07-01), Johnson
patent: 2935365 (1960-05-01), Dega
patent: 3399862 (1968-09-01), Cerow

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