Submersible electric propulsion motor with propeller integrated

Details Submersible electric propulsion motor with propeller integrated Submersible electric propulsion motor with propeller integrated

1988-02-16

1989-05-16

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

440 6, 440 38, 417356, H02K 512

Patent

active

048312975

ABSTRACT:
A submersible electric propulsion motor includes a sealed cylindrical stator housing defining a central flow passage and a cylindrical rotor core disposed within the stator housing passage such that the stator housing encompasses the rotor core. The rotor core defines a center flow opening which communicates with inlet and outlet ends of the stator housing passage. The motor also includes a propulsion propeller having a plurality of radial blades and a central cylindrical hub. The propeller is disposed within and across the rotor core opening with its periphery being rigidly connected to the rotor core. A support structure has end portions disposed at and rigidly attached to the stator housing inlet and outlet ends, and an axial portion which extends axially through the stator housing passage and rotor core opening and is rigidly attached to the radial portions. A cylindrical bearing is disposed about the support structure axial portion within the rotor core opening between the axial portion and the propeller hub and mounts the propeller and rotor core rigidly attached thereto for rotation relative to the support structure and the stator housing. Electrical power cables emanate from the stator housing through the support structure end and axial portions to the motor exterior for connection to a source of electrical power.

REFERENCES:
patent: 4459087 (1984-07-01), Barge

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