Rotating union with carbon graphite labyrinthine seal

Details Rotating union with carbon graphite labyrinthine seal Rotating union with carbon graphite labyrinthine seal

1989-03-13

1990-05-29

Callaghan, Thomas F.

Pipe joints or couplings

With leakage or drip disposal

285136, 285190, 285381, F16L 3904

Patent

active

049289977

ABSTRACT:
A multiple passage rotating union includes a housing assembly having a housing with an elongated cylindrical sleeve bearing of carbon graphite located in the axial bore of the housing and heat shrunk to the inner surface of the housing bore, the sleeve bearing defining the bearing surface for the rotor assembly of the rotating union and providing sealing between the fluid passageways through the rotating union.

REFERENCES:
patent: 1121202 (1914-12-01), Rembold
patent: 1532774 (1925-04-01), Page
patent: 2187147 (1940-01-01), Englesson
patent: 2458343 (1949-01-01), Carleton
patent: 2768843 (1956-10-01), Zeilman
patent: 2781134 (1957-02-01), Weir et al.

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