Inductor devices – With core clamps – wedges or fasteners
Patent
1989-01-13
1990-05-08
Kozma, Thomas J.
Inductor devices
With core clamps, wedges or fasteners
336212, 336213, 336219, 336234, H01F 2724
Patent
active
049242016
ABSTRACT:
This amorphous steel core transformer comprises: (i) a coil subassembly having a coil window of generally rectangular cross-section bounded by two end faces and two side faces, at least one of the side faces being slightly concave, and (ii) a core having a leg that fits within the coil window and comprises superposed aligned strips of amorphous steel stacked in the direction of the leg thickness and between said side faces. Each strip has two edges and, disposed between the two edges, a width that approximates the distance between the end faces of the coil window. The strips are further characterized by a slightly greater thickness in their central region than in the region of their edges. The core leg has a thickness that is substantially less in both edge regions of the strips than in the central region of the strips, thus rendering the leg capable of fitting more tightly within said coil window.
REFERENCES:
patent: 3497949 (1970-03-01), Salt
patent: 4241324 (1980-12-01), Douglass et al.
patent: 4592133 (1986-06-01), Grimes
patent: 4621248 (1986-11-01), Shigeta et al.
patent: 4724592 (1988-02-01), Hunt et al.
Freedman William
General Electric Company
Kozma Thomas J.
Policinski Henry J.
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