Rotary shafts – gudgeons – housings – and flexible couplings for ro – Coupling accommodates drive between members having... – Torque transmitted via intermediate element
Patent
1994-03-23
1996-06-18
Stodola, Daniel P.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Coupling accommodates drive between members having...
Torque transmitted via intermediate element
464147, F16D 316
Patent
active
055272207
ABSTRACT:
An articulatable joint which is embodied within a coupling useful for transferring eccentric rotational energy and motion into concentric rotational energy and motion. The coupling is incorporated into a downhole drill string and applied to connect a motor section to a drill bit shaft within a drill string. The coupling comprises generally a housing section and two associated end sections which each feature a proximate base portion, adapted to permit the end sections to be connected within the housing, an intermediate neck, and a generally rounded head extending in a distal relation to the base and neck. Each head presents a thrust bearing face and a number of longitudinally arcuate contact faces. The housing section contains recesses adapted to receive and partially enclose the heads of the end sections in a generally complimentary manner. When inserted into their respective recesses, the end sections are afforded limited angular translation along angles departing from the axial centerline of the housing section while rotation of the head portion within the recess is limited by contact between the contact faces of the head portion and complimentary contact areas within the recess.
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Dunn Eileen A.
Halliburton Company
Stodola Daniel P.
LandOfFree
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