Wave transmission lines and networks – Coupling networks – Nonreciprocal gyromagnetic type
Patent
1983-01-26
1985-04-02
Nussbaum, Marvin L.
Wave transmission lines and networks
Coupling networks
Nonreciprocal gyromagnetic type
246 37, 333132, 333176, 333177, 333185, H03H 701, H03H 709
Patent
active
045090246
ABSTRACT:
An impedance bond for use in an electrified railway to provide a path for traction current includes a housing and a core positioned within the housing. The core is formed of a band of silicon steel wound into a closed loop construction which is then severed to form a cap and a U-shaped body. A pair of coils are positioned each upon a leg of the U-shaped core prior to repositioning the cap upon the core. Each of the coils is substantially identical in electrical resistance and each is formed of a flat copper sheet, identical in length, and wound into coils identical in configuration. There are terminal straps attached to the coil which extend outwardly from the housing. The terminal straps are preferably cast copper.
REFERENCES:
patent: Re14774 (1919-12-01), Fortescue
patent: 1304294 (1919-05-01), Fortescue
patent: 1439680 (1922-12-01), Anderson et al.
patent: 3477051 (1969-11-01), Clark et al.
patent: 3496506 (1980-02-01), Seidel et al.
Nussbaum Marvin L.
Safetran Systems Corporation
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