Regenerative battery charger with double spring motors and charger with single spring motor installed in a vehicle wheel

An apparatus of the type mounted in mobile connection with a rotating axle of the vehicle (1) is equipped with a force reducer (3), motor springs (5 and 11) housed in housings (6 and 12) fitted with toothed crowns (6bis and 12bis) and mounted on hubs (4 and 4bis); on the same axial plane, the apparatus is equipped with internal gears (7 and 14) provided with stop lugs (7bis and 14bis), which internal gears (7 and 14) cooperate with gears (8 and 13) in order to drive in rotation a rotor (9), which in passing in proximity to the first windings (10) induces electricity, regulated by an electronic distribution system; the electronic distribution system is equipped with a second winding (15), a sliding ferrous core (16) and balls (17) capable of being lodged alternately in cavities (18) of the crowns (6bis, 12bis), while the winding (15) of the electronic distributor cooperates in alternation with spring capacity detectors (19 and 19bis).