Inductor devices – Coils of special configuration – Toroidal
Patent
1994-07-18
1998-04-14
Gellner, Michael L.
Inductor devices
Coils of special configuration
Toroidal
336 20, 336196, H01F 2102, H01F 2730, H01F 2728
Patent
active
057397384
ABSTRACT:
An inflatable high Q toroidal inductor is fabricated from an inflatable tidal-shaped shell made from a flexible material provided with a fitting adapted to receive and vent pressurized gas. A pair of flexible strips are disposed on opposite sides of the inflatable toroidal-shaped shell to hold litz windings in a predetermined toroidal configuration to thereby provide a suitable inductor of high Q and low loss. The inductor may be compactly carried to a remote instrumentation site, inflated and used and then deflated, folded and taken to the next site for reuse.
REFERENCES:
patent: 1656933 (1928-01-01), Ahlstrand
patent: 3263191 (1966-07-01), Arvonio
patent: 3293583 (1966-12-01), Kronsbein
patent: 4058742 (1977-11-01), O'Brien
patent: 4177468 (1979-12-01), Seeley et al.
patent: 4283794 (1981-08-01), Underhill et al.
patent: 4475109 (1984-10-01), Dumas et al.
patent: 4482333 (1984-11-01), Geri et al.
Hansen Peder M.
Smith Eldred M.
Chapik D.
Fendelman Harvey
Gellner Michael L.
Keough Thomas Glenn
The United States of America as represented by the Secretary of
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