Hydraulic seal and method of assembly

Details Hydraulic seal and method of assembly Hydraulic seal and method of assembly

1991-03-11

1992-02-18

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 1, 277 95, 277203, 4151735, 4151745, 29434, 298893, F01D 1102

Patent

active

050887424

ABSTRACT:
A radially inwardly extending annular flange (47) is integral with an annular portion (26) of an outer shaft (23). The annular flange (47) forms an oil weir in operation. A radially outwardly extending annular sealing member (56) is mounted on an annular portion (48,50) of an inner shaft (39). The shafts (23,39) are arranged to rotate relative to each other. The outer diameter of the sealing member (56) is greater than the inner diameter of the annular flange (47). In order to introduce or remove the sealing member (56) from the hydraulic seal, past the annular flange (47), the sealing member (56) is axially split by a circumferentially extending spiral to define axially overlapping portions (56A,56B). The sealing member (56) is parted axially to form a clearance and a portion of the annular flange (47) is located in the clearance. The sealing member (56) is rotated about its axis when the slope of the spiral is parallel to the annular flange (47 ).

REFERENCES:
patent: 899319 (1908-09-01), Parsons et al.
patent: 2946609 (1960-07-01), Comery
patent: 4463956 (1984-08-01), Malott

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