Electrical transmission apparatus through rotating tubular...

Details Electrical transmission apparatus through rotating tubular... Electrical transmission apparatus through rotating tubular...

2007-01-30

2007-01-30

Dang, Hoang (Department: 3672)

Boring or penetrating the earth

With below-ground tool drive prime mover

Fluid rotary type

C166S065100, C175S320000, C340S854800, C340S855100

Reexamination Certificate

active

10904171

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.

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