Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1983-11-14
1984-09-11
Ward, Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 77, 277119, 277123, F16J 1524
Patent
active
044706073
ABSTRACT:
The apparatus for sealing a movable member with respect to a liquid medium, especially an oscillatory movable plunger or a rotary shaft within the bore of a high pressure installation comprises an intermediate sleeve, a ring member, and a bushing which are successively arranged with respect to a pressure space or chamber and which are axially biased towards the pressure space by a pressure sleeve. On the side remote from the pressure space the ring member is provided with a recess in the shape of a truncated cone or pyramid. On the side facing the ring member the bushing is formed with a protrusion possessing a complementary truncated cone or pyramid shape. A support ring may be arranged between adjacent surfaces of the ring member and the bushing. On the side facing the intermediate sleeve the ring member has a section of reduced diameter surrounded by a biasing ring subjecting the ring member to a radial force directed towards the movable member. In a transitional region between the section of smaller diameter and the remaining portion of the ring member there may also be provided a support ring. The ring member also may have the form of a sealing collar with a V-shaped cross-section and at both end faces there are arranged support rings.
REFERENCES:
patent: 3068017 (1962-12-01), Prosser
patent: 3834715 (1974-09-01), Butler
patent: 3865387 (1975-02-01), Larker et al.
patent: 4192519 (1980-03-01), Buggele
patent: 4288082 (1981-09-01), Setterberg
Retschnik Gerald
Schier Walter
Kleeman Werner W.
Vereinigte Edelstahlwerke Aktiengesellschaft (VEW)
Ward Robert S.
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