Solar and wind powered lighting

A lighting device e.g. a street lamp, is powered by solar panels 12, and a wind turbine 5 driving a generator 6. Both provide power to a battery 8 which supplies the lamps 11. Control means 7 are provided to activate and deactivate the light depending on ambient light levels. The lamps may be LEDs w...

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Bibliographische Detailangaben
Hauptverfasser:	DAVID WILLIAM MAYER, MICHAEL BRIAN CRAMPTON
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER SYSTEMS FOR STORING ELECTRIC ENERGY SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	A lighting device e.g. a street lamp, is powered by solar panels 12, and a wind turbine 5 driving a generator 6. Both provide power to a battery 8 which supplies the lamps 11. Control means 7 are provided to activate and deactivate the light depending on ambient light levels. The lamps may be LEDs with control means to provide an oscillating supply. A regulator may be provided to prevent overcharging of the battery.