Rotary electric machine with a heat pipe for cooling

Details Rotary electric machine with a heat pipe for cooling Rotary electric machine with a heat pipe for cooling

1978-11-17

1980-12-16

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 52, 310 64, 165105, H02K 900

Patent

active

042400007

ABSTRACT:
A rotary electric machine with a heat pipe for cooling, which pipe comprises a rotary shaft. The rotary shaft has a hole formed therein extending from a heating zone to a cooling zone and has working fluid charged therein. The inner diameter of the cooling zone is smaller than the diameter of the heating zone, and an inner wall of the cooling zone is connected to an inner wall of the heating zone via a step.

REFERENCES:
patent: 1750750 (1930-03-01), Gay
patent: 2330121 (1943-09-01), Heintz
patent: 2743384 (1956-04-01), Turner
patent: 3528494 (1970-09-01), Levedahl
patent: 3566676 (1971-03-01), Hays
patent: 3715610 (1973-02-01), Brinkman
patent: 3771591 (1973-11-01), Larsen

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