Canned motor for electric submersible pump
AssigneeSchlumberger Technology Corporation
InventorsRaju EKAMBARAM, You Cheng JEE, Stanislav Konstantinovich IVANOV, Maxim Y. RADOV
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Abstract
A canned motor for a submersible pump system and a method of manufacturing the canned motor are provided. The canned motor includes: a canned stator comprising a can disposed within a central bore of a lamination stack, wherein an inner diameter of the can comprises at least one keyway; and a rotor bearing comprising at least one key configured to engage the keyway of the can when a shaft and rotor sub-assembly is disposed within the canned stator.
Claims20
A motor for a submersible pumping system, the motor comprising:
- a housing;
- a canned stator comprising:
- a lamination stack and stator windings;
- and
- a can disposed within a central bore of the lamination stack and disposed adjacent an inner diameter of the lamination stack, an inner diameter of the can comprising at least one keyway;
- a shaft and rotor sub-assembly comprising:
- a shaft;
- at least one rotor disposed about the shaft;
- and
- at least one rotor bearing disposed about the shaft, the rotor bearing comprising at least one key configured to engage the keyway of the can when the shaft and rotor sub-assembly is disposed within the canned stator.
A method of manufacturing a motor for a submersible pumping system, the method comprising:
- inserting a can into a central bore of a stator, the stator comprising a lamination stack disposed within a housing;
- and
- inserting a shaft and rotor sub-assembly into a central bore of the can, the shaft and rotor sub-assembly comprising at least one rotor disposed about a shaft and at least one rotor bearing disposed about the shaft.
Dependencies are inferred from the claim text.