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US 2010/0166578 A1Published application
Rotor bearing assembly
AssigneeSchlumberger Technology Corporation
InventorArhur Watson
Life of this patent
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Abstract
An electrical submersible pump according to one or more aspects of the present invention comprises a stator; a rotatably shaft; and a rotor bearing disposed between the shaft and the stator, the rotor bearing comprising carbide bearing sleeve receiving the shaft, wherein the carbide bearing sleeve does not form a keyway; and a device rotatively coupling the carbide bearing sleeve to the shaft.
Claims24
An electric motor, comprising:
- a housing;
- a stator mounted within the housing;
- a shaft rotatably mounted within the housing;
- and
- a rotor bearing comprising a carbide bearing sleeve attached to the shaft by a metal member.
2 more elements
A bearing apparatus for use with a rotating shaft, the apparatus comprising:
- a carbide sleeve having an internal surface forming a bore for receiving the shaft;
- and
- a device to rotatively couple the carbide sleeve to the shaft.
An electrical submersible pump, the pump comprising:
- a stator;
- a rotatably shaft;
- and
- a rotor bearing disposed between the shaft and the stator, the rotor bearing comprising carbide bearing sleeve receiving the shaft, wherein the carbide bearing sleeve does not form a keyway;
- and
- a device rotatively coupling the carbide bearing sleeve to the shaft.
3 more elements
Dependencies are inferred from the claim text.