Rotary joint for stationary siphon

Details Rotary joint for stationary siphon Rotary joint for stationary siphon

1987-02-24

1988-12-20

Arola, Dave W.

Pipe joints or couplings

U-type

285279, F16L 3904

Patent

active

047921641

ABSTRACT:
A rotary joint for a stationary siphon is combined with a roll which has a cavity into which steam is introduced and which is rotatably supported by a frame. The rotary joint includes a main body fixed to an axial end of the roll. A supporting pipe for introducing steam is inserted through the main body, extends to the cavity of the roll, and has an outer end portion firmly fixed to the frame. A siphon line for discharging drain within the roll extends inside the supporting pipe, has one end disposed close to the inner wall of the roll and is firmly supported by the supporting pipe. A tubular member is mounted on the outer periphery of the supporting pipe in a sealing manner so as to be slidable along the supporting pipe and has an end shaped so as to form part of a sphere. A carbon member is interposed between the end of the tubular member and an inner wall of the main body for the purpose of providing a seal therebetween.

REFERENCES:
patent: 955097 (1910-04-01), Nuttall
patent: 2875527 (1959-03-01), Doane
patent: 3606394 (1971-09-01), Mourer et al.
patent: 4051604 (1977-10-01), Fleissner

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