Swivel joint for high pressure fluid

Details Swivel joint for high pressure fluid Swivel joint for high pressure fluid

1989-08-16

1991-10-01

Arola, Dave W.

Pipe joints or couplings

With leakage or drip disposal

Weep holes

285 94, 285 98, 285281, 285351, 285900, F16L 5500

Patent

active

050527207

ABSTRACT:
A swivel joint for high pressure fluid capable of preventing the leakage of the high pressure fluid and smoothing the rotation of the rotating one of the shaft member and the receiving member, with a simple and compact structure, which can be manufactured inexpensively. The swivel joint includes a cylindrical cavity formed inside the receiving member and around the shaft member. including: a contacting end, normal to an axial direction along the axis of relative rotation of the shaft member and the receiving member, contacting with the high pressure fluid through the connecting portion connecting the fluid paths of the shaft member and the receiving member; a movable sealing member, movable in the axial direction, contacting with the high pressure fluid through the contacting end; and a hollow chamber, separated from the contacting end by the movable sealing member, confining the fat oil.

REFERENCES:
patent: 2676039 (1954-04-01), Habig
patent: 2770475 (1956-11-01), Rafferty
patent: 2985468 (1961-05-01), Shaw et al.
patent: 3694008 (1972-09-01), Slator et al.
patent: 4396212 (1983-08-01), Honke
patent: 4487435 (1984-12-01), Yamatoni

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