HYDROSTATIC DRIVE WITH CLOSED CIRCUIT AND METHOD FOR OPERATING THE DRIVE

The aim of the invention of for the hydrostatic drive to enable a lowering of the feed pressure provided by the feed pump and, at the same time, to effect a supply of the adjustment unit of the drive that is proper with respect to the pressure and the delivery rate. This aim is achieved in that the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Gambetti, Andrea, Maxeiner, Thassilo
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The aim of the invention of for the hydrostatic drive to enable a lowering of the feed pressure provided by the feed pump and, at the same time, to effect a supply of the adjustment unit of the drive that is proper with respect to the pressure and the delivery rate. This aim is achieved in that the adjustment unit (5) of the drive is supplied with hydraulic energy by an electrohydraulic supply unit (6), wherein the supply unit (6) consists of an electric motor (7) and an auxiliary pump (8) coupled thereto and wherein the outlet of the auxiliary pump (8) is connected to the adjustment unit (5) directly or by means of a check valve (18). Hydrostatic drives according to the invention are used, for example, in self-propelled working machines.