Patent ID: 8601806

Claim:
An electric hydraulic motor system for large vehicles, said system comprising: (a) an electric motor 110 a and an electric generator 110 b , both the electric motor 110 a and the electric generator 110 b are operatively connected to a battery 120 of a vehicle; (b) a fuel engine hydraulic pump 140 operatively connected to a standard fuel engine 130 of the vehicle; (c) a hydraulic reservoir 170 operatively connected to the fuel engine hydraulic pump 140 ; (d) a first hydraulic pump 150 a operatively connected to each the electric motor 110 a and the hydraulic reservoir 170 ; (e) a first hydraulic motor 160 a operatively connected to each the first hydraulic pump 150 a , the hydraulic reservoir 170 , wheels 210 of the vehicle, and the fuel engine hydraulic pump 140 ; (f) a second hydraulic motor 150 b operatively connected to each the electric generator 110 b , the fuel engine hydraulic pump 140 , and the hydraulic reservoir 170 ; and (g) a second hydraulic pump 160 b operatively connected to each the wheels 210 of the vehicle, the second hydraulic motor 150 b , and the hydraulic reservoir 170 ; wherein in drive mode the electric motor 110 a and standard fuel engine 130 of the vehicle together create hydraulic pressure via the first hydraulic pump 150 a and the fuel engine hydraulic pump 140 , the first hydraulic pump 150 a and the fuel engine hydraulic pump 140 supply the first hydraulic motor 160 a with hydraulic pressure to drive the wheels 210 of the vehicle; wherein in braking mode the standard fuel engine 130 creates hydraulic pressure via the fuel engine hydraulic pump 140 and the second hydraulic pump 160 b , the fuel engine hydraulic pump 140 and the second hydraulic pump 160 b supply the second hydraulic motor 150 b with hydraulic pressure to drive the electric generator 110 b and charge the battery 120 of the vehicle.