Ballast stabilizer and its fabrication method

Details Ballast stabilizer and its fabrication method Ballast stabilizer and its fabrication method

1998-08-07

2000-02-29

Kozma, Thomas J.

Inductor devices

With outer casing or housing

Potted type

29606, 29609, 336178, 336212, 336216, H01F 2702

Patent

active

060314419

ABSTRACT:
A ballast stabilizer includes a stack of annular silicon steel plates defining a center through hole, a perforated bottom-open casing mounted within the center through hole of the stack of annular silicon steel plates, a winding holder mounted within the casing, the winding holder having a center open chamber, a peripheral wire groove, and a winding mounted in the peripheral wire groove around the winding holder, a stack of I-shaped silicon steel plates received in the open chamber of the winding holder, and a varnish coating covered over the stack of annular silicon steel plates and filled up the gaps in the casing, the winding holder and the stack of I-shaped silicon steel plates.

REFERENCES:
patent: 4146857 (1979-03-01), Schleupen
patent: 5117215 (1992-05-01), Kakehashi et al.

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