PROPULSION DEVICE

摘要

A propulsion device comprising: a stationary part adapted to be fitted to a vehicle and including a hub portion (11-13, 20) and support portions (30, 31) spaced from the hub portion and disposed circumferentially therearound; a ground-engaging wheel rim (16, 17) portion; bearing means (55-57) carried by said support portions and supporting the wheel rim portion for rotation about said hub portion; motor means (73) carried by said stationary part and drivingly engaged with said wheel rim portion; and energy storage means carried by said stationary part for energising said motor means.