Inductor devices – Coil forms protective casing
Patent
1996-07-26
1998-01-06
Kozma, Thomas J.
Inductor devices
Coil forms protective casing
336195, 336223, 336229, H01F 1502, H01F 2728
Patent
active
057059713
ABSTRACT:
A transformer including a core; a concentric inner primary tube passing through the core and running up and over at least a portion of the core, the concentric inner primary tube defining a longitudinal axis within the core; and a concentric outer secondary tube passing through the core and running up and over the concentric inner primary tube, the concentric outer secondary tube defining a longitudinal axis within the core and being spaced apart from the concentric inner primary tube, the longitudinal axis of the concentric inner primary tube and the longitudinal axis of the concentric outer secondary tube being aligned with one another so as to be coaxial. The concentric outer secondary tube substantially encloses the concentric inner primary tube so as to provide a low impedance shield.
REFERENCES:
patent: 1160960 (1915-11-01), Thordarson
patent: 2901713 (1959-08-01), Hartmann
patent: 3197723 (1965-07-01), Dortort
patent: 3305662 (1967-02-01), Praeg
patent: 3453574 (1969-07-01), De Parry
patent: 3717808 (1973-02-01), Horna
patent: 3961292 (1976-06-01), Davis
patent: 4092607 (1978-05-01), Robins
patent: 4554518 (1985-11-01), Baer
patent: 4777466 (1988-10-01), Bordalen
patent: 4980654 (1990-12-01), Moulton
Allen-Bradley Company Inc.
Horn John J.
Kozma Thomas J.
Miller John M.
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