Thrust bearing rotary joint

Details Thrust bearing rotary joint Thrust bearing rotary joint

1985-12-23

1986-08-19

Callaghan, Thomas F.

Pipe joints or couplings

With indicator, alarm or inspection means

285134, 285190, 285279, F16L 3904

Patent

active

046065601

ABSTRACT:
An improved rotary joint structure for transmitting fluid into and removing condensate from a rotating device, including a stationary housing into which a rotatable sleeve extends. A siphon pipe is positioned concentrically within the rotatable sleeve. At the free end of the rotatable sleeve there is positioned a fixed combination seal and thrust bearing which carries the thrust load of the sleeve. A spherical surface on the fixed bearing engages a corresponding surface on a sleeve flange affixed to the rotatable sleeve to maintain the sleeve in position as it rotates. A second seal unit is provided on the sleeve at the opposite end of the housing, and a compression spring encircles the rotatable sleeve between the two seal units to urge them into engagement with their respective sealing surface. Both the combination seal and thrust bearing unit and the second seal unit can be replaced without removing and disassembling the joint.

REFERENCES:
patent: 1934717 (1933-11-01), Johnson
patent: 2791449 (1957-05-01), Monroe
patent: 3265411 (1966-08-01), Monroe et al.
patent: 4194767 (1980-03-01), McCracken
patent: 4254972 (1981-03-01), Wiedenbeck et al.
patent: 4477107 (1984-10-01), Ferguson et al.

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