Down-hole devices for imparting rotary motion

Details Down-hole devices for imparting rotary motion Down-hole devices for imparting rotary motion

G - Physics

01

F

73/68

G01F 1/58 (2006.01) E21B 4/02 (2006.01) E21B 41/00 (2006.01) F03B 13/02 (2006.01)

Patent

CA 1248364

S P E C I F I C A T I O N "Down-hole Devices for Imparting Rotary Motion" ABSTRACT OF THE DISCLOSURE A down-hole signal transmitter includes an annular impeller mounted on a cylindrical casing and arranged to be driven by the mud flow passing along a drill string, and an annular stator fixed to the casing upstream of the impeller. The stator has blades canted in one sense relative to the mud flow direction, whereas the impeller has blades parallel to the mud flow direction. The stator blades thereby cause the mud flow to impact on the impeller blades at such an angle that a small or negligible thrust results at the impeller bearings. It is therefore possible to ensure a long service life for the bearings.

492173

Affiliated with

Also associated with

Rating

Down-hole devices for imparting rotary motion does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Down-hole devices for imparting rotary motion, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Down-hole devices for imparting rotary motion will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1223346