Free-wheeling clutch for a downhole drilling assembly

Details Free-wheeling clutch for a downhole drilling assembly Free-wheeling clutch for a downhole drilling assembly

E - Fixed Constructions

21

B

E21B 4/00 (2006.01) F16D 41/06 (2006.01) F16D 41/066 (2006.01) F16D 41/07 (2006.01) F16D 41/12 (2006.01)

Patent

CA 2256069

The invention is a free-wheeling clutch for a downhole drilling assembly of the type comprising a rotatable drive train contained within a housing. The clutch is comprised of an exterior surface on the drive train, an interior surface on the housing, and a torque transmitting member contained within a space defined by the exterior surface on the drive train and the interior surface on the housing. The torque transmitting member and the space are configured such that when the drive train and the housing are rotated relative to each other in a first direction the torque transmitting member is not capable of transmitting torque between the drive train and the housing and when the drive train and the housing are rotated relative to each other in a second direction the torque transmitting member is capable of transmitting torque between the drive train and the housing.

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