Bias control unit

A control unit includes a rotatable tubular body that rotates about a spindle. A torque transmitting unit may be attached to the tubular body and the spindle. A force applied to the torque transmitting unit by the biasing element may control a first torque applied to the spindle by the tubular body....

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PIIPARINEN JANNE PETTERI, LOSI, NICOLA, ARASOV ANDREI, LINFORD PAUL MICHAEL, HIXSON, ANDREAS
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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