A DRIVE SYSTEM FOR A WORKING MACHINE AND A METHOD FOR CONTROLLING THE DRIVE SYSTEM

The invention relates to a drive system for a working machine, the drive system including: a gearbox; an internal combustion engine having an engine output shaft; a power takeoff coupled to the engine output shaft; a torque converter having an input shaft operatively coupled to the engine and an out...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VIGHOLM, Bo, UEBEL, Karl
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL DREDGING ENGINE PLANTS IN GENERAL FIXED CONSTRUCTIONS FOUNDATIONS HEATING HYDRAULIC ENGINEERING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING SOIL SHIFTING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a drive system for a working machine, the drive system including: a gearbox; an internal combustion engine having an engine output shaft; a power takeoff coupled to the engine output shaft; a torque converter having an input shaft operatively coupled to the engine and an output shaft operatively coupled to the gearbox; a hydraulic cooling fan; a hydraulic fan pump coupled to the power takeoff and connected to the hydraulic fan via a first hydraulic valve. The drive system further includes: a hydraulic motor coupled to the gearbox and configured to provide power to the gearbox for vehicle propulsion, wherein the hydraulic motor is coupled to the hydraulic fan pump via a second hydraulic valve and arranged to receive power from the hydraulic fan pump. The invention further relates a method for controlling the described drive system.