HYDRAULICALLY ADJUSTABLE PULLEY DEVICE FOR A CONTINUOUSLY VARIABLE TRANSMISSION AND THE METHOD FOR OPERATING A HYDRAULICALLY ADJUSTABLE PULLEY DEVICE

Hydraulically adjustable pulley device (24) with two discs (12, 13) on a pulley shaft (10). One pulley disc (13) is axially moveable relative to the pulley shaft (10) a/o by means of a piston/cylinder-assembly (15, 16) of the pulley (24) and by being provided on the pulley shaft (10) with a radial c...

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Bibliographische Detailangaben
Hauptverfasser:	WETZEL, Gerhard, TOTTÉ, Timo, WEETERINGS, Kilian, Cornelis, Josephus, Maria, KRAUTER, Lothar
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:	Hydraulically adjustable pulley device (24) with two discs (12, 13) on a pulley shaft (10). One pulley disc (13) is axially moveable relative to the pulley shaft (10) a/o by means of a piston/cylinder-assembly (15, 16) of the pulley (24) and by being provided on the pulley shaft (10) with a radial clearance. Together, the axially moveable pulley disc (13) and the piston/cylinder-assembly (15, 16) define a cylinder chamber (7), at least in part. According to the present disclosure, the cylinder chamber (7) is hydraulically sealed both by a seal (17) on the radially outer circumference thereof and by a further seal (25) provided on the radially inner circumference thereof. In an embodiment of the pulley (24) such further seal (25) is provided between the pulley shaft (10) and the axially moveable pulley disc (13) bridging the radial clearance there between.