Rotary coupling for fluid between stationary and rotating machin

Details Rotary coupling for fluid between stationary and rotating machin Rotary coupling for fluid between stationary and rotating machin

1991-06-28

1992-01-14

Arola, Dave W.

Pipe joints or couplings

End to side or plate

Swivel with lateral port to annular sleeve

285422, 285276, 285281, F16L 2708

Patent

active

050804014

ABSTRACT:
In a rotary coupling for conducting a medium under pressure from a stationary machine part to a rotating machine part, a radially movable bushing is provided between a housing and a rotatable shaft of the rotating machine part. The radial gap between the housing and the bushing is bridged or spanned by a plurality of elastic sealing members to provide radial adjustability. A ceramic coating to minimize radial differences due to thermal expansion during frictional heating can also be provided on the shaft.

REFERENCES:
patent: 3442539 (1969-05-01), Randall
patent: 3601414 (1971-08-01), Rao
patent: 3633926 (1972-01-01), Hryniszak
patent: 4326736 (1982-04-01), Kusumi et al.
patent: 4396212 (1983-08-01), Honke

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