Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural rigidly related blade sets
Patent
1981-06-29
1983-12-27
Marcus, Stephen
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Plural rigidly related blade sets
415502, 415110, 415119, 175107, 403361, F01D 1506
Patent
active
044228236
ABSTRACT:
The present invention relates to drilling equipment and more particularly to turbodrills, having a casing with multistage turbine stators fixed therein and a shaft mounted therein. The shaft is formed by a plurality of smaller shafts connected to each other in series, and including a spindle assembly the shaft of which drives a bit into rotation and is mounted in a ball bearing means. According to the invention, the shafts provided with rotors are mounted in ball bearing means and are connected to each other and the shaft of the spindle assembly with the possibility of relative displacement of said shafts. The present turbodrill is used for drilling deep and directional wells. The turbodrill provides a low dynamic load on the bit, elimination of axial and transverse vibrations of the turbodrill shaft, and a long bit life between overhauls.
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Ioanesian Jury R.
Ioannesian Rolen A.
Bowman Brian J.
Marcus Stephen
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