Electric machine, such as transformer choke, constant-voltage re

Details Electric machine, such as transformer choke, constant-voltage re Electric machine, such as transformer choke, constant-voltage re

1984-04-18

1985-05-21

Kozma, Thomas J.

Inductor devices

With closed core interrupted by an air gap

29606, 29609, 336210, 336234, H01F 2726, H01F 4102

Patent

active

045189420

ABSTRACT:
Electric machine, such as a transformer, a choke or a constant-voltage regulator, having an iron core assemblable from a plurality of individual, substantially rectangular core parts, including legs and intermediate yoke parts, formed of mutually held-together laminate layers, and clamping means such as clamping straps or plates clampable into engagement with a corresponding clamping surface at outer contours of the leg core parts transversely to the laminate layers by clamping elements such as screws or rivets, includes means defining channel or tunnel-shaped recesses extending parallel to all of the mutually parallel laminate layers of all of the assemblable individual core parts and substantially perpendicularly to juxtaposed joint abutments of the respective individual core parts.

REFERENCES:
patent: 454090 (1891-06-01), Thomson
patent: 581873 (1897-05-01), Thomson
patent: 1406245 (1922-02-01), Thordarson
patent: 2195192 (1940-03-01), Schuller
patent: 2293951 (1942-08-01), Seastone et al.
patent: 2425622 (1947-08-01), Kronmillen
patent: 2488391 (1949-11-01), Ford et al.
patent: 2592652 (1952-04-01), Buhrendorf
patent: 2699532 (1955-01-01), Bussing
patent: 2806212 (1957-09-01), Kuhn
patent: 4136322 (1979-01-01), Maezima
patent: 4140987 (1979-02-01), Maezima

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