High temperature rotary joint

Details High temperature rotary joint High temperature rotary joint

1978-01-30

1979-05-15

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 15, 285 41, 308 77, F16J 1500, F16L 5300

Patent

active

041544463

ABSTRACT:
A pressure-tight, rotary pipe joint couples rotating, high temperature gas transmission lines. Pressure seals of the pipe joint are maintained at a temperature lower than that of the transmitted gas by thermally insulating the seals from the gas and by pumping a fluid coolant through an annular cavity located adjacent the seals. As an alternate to fluid cooling, a metallic member, in which the pressure seals are disposed, is cooled by means of fins which transfer heat to the adjacent air.

REFERENCES:
patent: 2127073 (1938-08-01), Topping
patent: 2799522 (1957-07-01), King et al.
patent: 2910309 (1959-10-01), Snyder et al.
patent: 2937036 (1960-05-01), Watkins
patent: 2992842 (1961-07-01), Shevchenko et al.
patent: 3291489 (1966-12-01), Tracy et al.
patent: 3604769 (1971-09-01), Latham
patent: 3706483 (1972-12-01), Irwin
patent: 4018059 (1977-04-01), Hatch

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