CONTINUOUSLY VARIABLE TRANSMISSION WITH A HYDRAULIC CONTROL SYSTEM

A continuously variable transmission is provided with a drive belt (6) drive belt (3), fitted between a primary pulley (1) and a secondary pulley (2) of the transmission, each pulley having two pulley sheaves (4, 5) of which at least one pulley sheave (4) in each case is axially movable under the in...

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Bibliographische Detailangaben
Hauptverfasser:	RÖMERS, LUCAS HUBERTUS JOHANNES, VAN WIJK, WILHELMUS JOHANNES MARIA
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:	A continuously variable transmission is provided with a drive belt (6) drive belt (3), fitted between a primary pulley (1) and a secondary pulley (2) of the transmission, each pulley having two pulley sheaves (4, 5) of which at least one pulley sheave (4) in each case is axially movable under the influence of a hydraulic pressure exerted in a pressure cylinder (11; 12) of a respective pulley (1; 2), and with a hydraulic control system for controlling these respective cylinder pressures (Pp, Ps) including two oil pumps (41, 42). A pump flow control valve (100, 48) is provided and is arranged to connect to or disconnect from the main hydraulic line (46) the one oil pump (42) in dependency on a difference between an actual line pressure (Ps) in the main hydraulic line (46) and a desired pressure level there for.