Device for damping vibrations of a drilling tube

Details Device for damping vibrations of a drilling tube Device for damping vibrations of a drilling tube

1979-12-04

1981-12-15

Dorner, Kenneth

64 1V, 74574, F16F 1510

Patent

active

043052649

ABSTRACT:
A device for damping vibrations of a drilling tube by the slip between the ube and a fly-wheel which surrounds the tube and is frictionally connected to the tube by a slotted sleeve which is axially displaceable by adjusting means for adjusting the frictional connection. The adjusting means are connected to the sleeve by bearings so that they can be actuated while the tube and hence the sleeve and the fly-wheel are rotating during drilling.

REFERENCES:
patent: 1903336 (1933-04-01), Fifield
patent: 2198403 (1940-04-01), Canady
patent: 2559100 (1951-07-01), White
patent: 2931464 (1960-04-01), Zwick
patent: 3207000 (1965-09-01), White

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