BACKPACK BASED SYSTEM FOR HUMAN ELECTRICITY GENERATION AND USE WHEN OFF THE ELECTRIC GRID
An electricity-generating backpack that is substantially lighter in weight, has the multiple springs replaced with one large spring whose spring constant can be adjusted in the field in seconds, and replaces a DC generator with a brushless AC generator that permits approximately 70% generator effici...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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