Liquid-filled submersible electromotor

Details Liquid-filled submersible electromotor Liquid-filled submersible electromotor

1975-07-07

1977-08-16

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 90, H02K 512

Patent

active

040428478

ABSTRACT:
A liquid-filled submersible electromotor, especially motor has in one end rotating sealing means for sealingly closing the water-filled space in the motor casing, the sealing means being adapted to automatically release over-pressure in that space and to allow passage of water from the space to the space surrounding the casing, and vice versa. At the other end the motor casing has a bearing for the motor shaft, preferably of the Michell type, wherein one sliding surface is constituted by an annular member of a non-metallic material, preferably ceramics, and the other by movable blocks, also of non-metallic material.

REFERENCES:
patent: 2301340 (1942-11-01), Spengler
patent: 3270224 (1966-08-01), Turk
patent: 3384769 (1968-05-01), Schaefer
patent: 3502919 (1970-03-01), Boyd
patent: 3671786 (1972-06-01), Jones
patent: 3904256 (1975-09-01), Pfeifer
patent: 3947153 (1976-03-01), Matthias

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