Rotatable pipe coupling structure

Details Rotatable pipe coupling structure Rotatable pipe coupling structure

1977-08-25

1980-07-29

Schroeder, Werner H.

Pipe joints or couplings

U-type

285336, F16L 3904

Patent

active

042147808

ABSTRACT:
The specification describes a rotatable multiple pipe coupling structure employing a labyrinth seal between each stationary pipe and its respective rotatable pipe. Because of no protruding parts from inner pipes into the channels, there will be minimized turbulence in the fluids to be transferred through the rotatable multiple pipe coupling structure. There is also described a rotatable pipe coupling structure having a stationary pipe and a corresponding rotatable pipe. The pipes are rotatably sealed with a labyrinth seal. The coupling structures according to this invention may be further provided with a driving shaft longitudinally and centrally extending therethrough. The coupling structures of this invention are applicable for a revolving floor such as tower restaurants, for changing the surface area of vehicle tires while in motion, for moving cranes, for remote handling of materials such as radio-active materials, for gun turrets, helicopters, heavy mining machinery, and wherever there is required to transfer at least one fluid from a stationary element to a rotatable element.

REFERENCES:
patent: 3648311 (1972-03-01), Voss
patent: 3684316 (1972-08-01), Lavender

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