Winding structure of electric devices

Details Winding structure of electric devices Winding structure of electric devices

1978-02-23

1980-06-10

Kozma, Thomas J.

Inductor devices

With temperature modifier

Ventilating passages

H01F 2708

Patent

active

042075505

ABSTRACT:
A plurality of winding units mounted about a magnetic core structure, each of which consisting of wound wire elements, are disposed and stacked in an annular space defined by a coaxial inner and outer insulating sleeves, so as to form a winding structure for electric devices. Vertical passages for cooling fluid are defined at both sides of the winding units, while horizontal passages for the cooling fluid are formed between adjacent winding units. A plurality of peripherally continuous flow controlling bodies are disposed in either one of the vertical passages at a two vertical pitches of the winding unit, so as to confront alternating ones of the winding units. Alternatively, the flow controlling bodies are disposed alternatingly in both vertical passages, in such a manner that the flow controlling bodies disposed in one of the vertical passages confront alternating ones of said winding units which are not confronted by the flow controlling bodies disposed in the other vertical passage. These flow controlling bodies are effective to induce flows of the cooling fluid in opposite directions and of substantially same velocity, in two horizontal passages separated by the winding unit which is confronted by the flow controlling body.

REFERENCES:
patent: 3548354 (1970-12-01), Schwab
patent: 3902146 (1975-08-01), Muralidharan
patent: 4000482 (1976-12-01), Staub et al.

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