Lightning supression system for tower mounted antenna systems

Details Lightning supression system for tower mounted antenna systems Lightning supression system for tower mounted antenna systems

1997-09-09

1998-12-01

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361113, 333 12, 333206, 333126, H01C 712

Patent

active

058447660

ABSTRACT:
A lightning suppression system comprising a directional coupler, a quarter-wavelength stub, a first cylindrical capacitor, a second cylindrical capacitor and a lightning suppression circuit. Each of the cylindrical capacitors has an inner conductor element, an outer conductive tube and a dielectric material. Direction coupler acts to block direct current and low frequency signals from passing therethrough. The quarter-wavelength stub comprises a helicoid and acts to reflect radio frequency signals back to the transmission line while allowing direct current and low frequency signals to flow therethrough. First cylindrical capacitor and second cylindrical capacitor combine to form a low pass filter which allows direct current and low frequency signals to flow through while blocking other signals. The lightning suppression circuit suppresses high voltage direct current and low frequency signals such as those produced by near lightning strikes.

REFERENCES:
patent: 4985800 (1991-01-01), Feldman et al.

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