Patent ID: 7886533

Claim:
Hydrostatic travel drive with at least one first hydro pump and a second hydro pump and a first, second, third and fourth hydro motor, wherein each said hydro motor has precisely two operational connections, consisting of a first connection and second connection, and each single said hydro motor respectively drives a separate single drive shaft, and each single said drive shaft is driven exclusively by one said hydromotor, and the first connection of the first hydro pump is connected to the first connection of the first hydro motor and to the first connection of the third hydro motor, the first connection of the second hydro pump is connected to the first connection of the second hydro motor and to the first connection of the fourth hydro motor, the second connection of the first hydro motor and the second connection of the fourth hydro motor are connected to the second connection of the second hydro pump, the second connection of the second hydro motor and the second connection of the third hydro motor are connected to a second connection of the first hydro pump; the third hydro motor is connected to the first hydro pump and forms a closed cycle with said first hydro pump by directly connecting said first connection of said first hydro pump to said first connection of said third hydro motor and directly connecting said second connection of said third hydro motor to said second connection of said first hydro pump, and the fourth hydro motor is connected to the second hydro pump and forms a closed cycle with said second hydro pump by directly connecting said first connection of said second hydro pump to said first connection of said fourth hydro motor and directly connecting said second connection of said fourth hydro motor to said second connection of said second hydro pump.