Variable inductor

Details Variable inductor Variable inductor

1974-07-03

1977-06-21

Kozma, Thomas J.

Inductor devices

Relatively movable core and coil

Plural relatively movable core parts

336134, H01F 2106

Patent

active

040314960

ABSTRACT:
A variable inductor wherein two closed magnetic circuits each having a predetermined gap in one place are constructed of a movable magnetic core and a fixed magnetic core. When the movable magnetic core is moved, the opposite area between both the magnetic cores in one of the closed magnetic circuits increases, while the opposite area between both the magnetic cores in the other closed magnetic circuit decreases. Thus, the inductances of coils wound around parts of the respective closed magnetic circuits vary complementarily.

REFERENCES:
patent: 2585050 (1952-02-01), Simon
patent: 2609531 (1952-09-01), Kirchner
patent: 2730664 (1956-01-01), Karlson
patent: 2838737 (1958-06-01), Duncan
patent: 3146418 (1964-08-01), Maeda
patent: 3155931 (1964-11-01), Maeda
patent: 3280396 (1966-10-01), Beck et al.
patent: 3382472 (1968-05-01), Maass
patent: 3436706 (1969-04-01), Siff et al.
patent: 3437969 (1969-04-01), Pfanzelt
patent: 3550053 (1970-12-01), Carlo

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