Articulated suspension off a climbing motorized wheelchair for rough terrains This invention (including advanced solutions disclosed in issued patent BG 65421 В1), generally relates to personal propulsion devices that are worn on the front of a user attachable to an wheelchair, tri-cycle or other human-powered vehicle, ridden by the user to propel the user and the object. More specifically, this invention relates to various improvements to the configuration of such devices that improve the usefulness and functionality of the device [...]
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The pure hydrogen car are powered by fuel cells. But they do not benefit of regenerative braking energy because they are not equipped with storage batteries. The e-car chassis relates to an auxiliary frame, comprising a left longitudinal beam and a right longitudinal beam, a front cross beam and a rear bow beam which are welded to form frame structure. See video. The present design presents a small hydrogen powered electric vehicle with batteries for temporally storage of regenerated energy [...]