Electrical transmission apparatus through rotating tubular members
US7168510B2 · kind B2 · utility
27Cited by
24References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2004 |
| Grant date | Jan 30, 2007 |
| Priority date | — |
| Expiry date | Jul 22, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/0283
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention provides an apparatus for the communication of power or data signals across the rotating gap of two tubular members, such as the stator and rotor of a mud motor, and between said rotating members of a drill string through inductive couplers located axially along the drill string.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.