Device for leading cooling liquid out of rotary electric machine

Details Device for leading cooling liquid out of rotary electric machine Device for leading cooling liquid out of rotary electric machine

1980-12-01

1982-07-27

Capossela, Ronald C.

Refrigeration

Refrigeration producer

Compressor-condenser-evaporator circuit

310 54, 310 61, 277 15, F25B 3100

Patent

active

043410936

ABSTRACT:
A device for conducting cooling liquid out of a liquid cooled rotor type rotary electric machine in which a sealing means is provided for preventing the leakage of cooling liquid from an outlet chamber adapted to receive the cooling liquid discharged from the rotary electric machine. The sealing means employs a thread seal and a rubber seal in combination. The rubber seal is provided in such a manner as to surround a cooling liquid supplying and draining pipe and so that it is expanded or contracted according to the pressure of gas introduced inside the rubber seal to adjust the gap between the rubber seal and the pipe. The pressure of gas is controlled according to the speed of rotation of the rotor shaft or the amount of liquid leakage.

REFERENCES:
patent: 3733501 (1973-05-01), Heller et al.
patent: 3831046 (1974-08-01), Curtis et al.
patent: 3835919 (1974-09-01), Lambrecht et al.
patent: 3922573 (1975-11-01), Pluschke
patent: 4114058 (1978-12-01), Albaric
patent: 4114059 (1978-12-01), Albaric et al.

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