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US 2026/0110221 A1Published application
Joint for downhole motor
OwnerDavid A. Bowarinventor
Life of this patent
Estimating the term…
Abstract
A joint for a downhole motor suitable for use in a wellbore, the joint having a first joint member that includes a shaft with a shaft end, and a second joint member coupled with the first joint member. A gear profile extends from the shaft end, and is configured to mate with a respective gear profile of the second joint member. The gear profile comprises a set of three gear teeth.
Claims20
A joint for a downhole motor transmission, the joint comprising:
- a first joint member comprising a shaft with a shaft end;
- a second joint member coupled with the first joint member;
- wherein a gear profile extends from the shaft end, and is configured to mate with a respective gear profile of the second joint member,
- and wherein the gear profile comprises a set of three gear teeth.
1 more element
A joint for a downhole motor transmission, the joint comprising:
- a first joint member comprising a shaft with a shaft end;
- a second joint member coupled with the first joint member;
- wherein a gear profile extends from the shaft end, and is configured to mate with a respective gear profile of the second joint member,
- and wherein the gear profile comprises a set of gear teeth consisting of three gear teeth, and the respective gear profile comprises of a respective set of gear teeth consisting of three gear teeth.
1 more element
A joint for a downhole motor transmission, the joint comprising:
- a first joint member comprising a shaft with a shaft end having a shaft face;
- a second joint member coupled with the first joint member;
- wherein a gear profile comprising a set of three gear teeth extends from the shaft end, and is configured to mate with a respective gear profile of the second joint member,
- wherein at least one of the set of three gear teeth comprises a longitudinal tapered gear surface extending from a gear tooth root proximate the shaft face to a gear tooth edge,
- wherein the longitudinal tapered gear surfaces comprises a taper angle in a range of at least one degree to no more than six degrees with respect to a longitudinal reference axis, and
- wherein a gear pin is engaged between the first joint member and the second joint member.
3 more elements
Dependencies are inferred from the claim text.