CAMSHAFT PHASER

A camshaft phaser includes a stator having a plurality of lobes and a rotor (18) coaxially disposed within the stator and having a plurality of vanes (42) interspersed with the lobes defining a plurality of alternating advance chambers (46) and retard chambers (48) such that a phasing valve (60) sup...

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Bibliographische Detailangaben
Hauptverfasser:	LICHTI, Thomas Howard, FISCHER, Thomas Huntington, SHUM, Cai P, GRAVES, Jeremy N
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A camshaft phaser includes a stator having a plurality of lobes and a rotor (18) coaxially disposed within the stator and having a plurality of vanes (42) interspersed with the lobes defining a plurality of alternating advance chambers (46) and retard chambers (48) such that a phasing valve (60) supplies and vents oil to and from the advance and retard chambers (46, 48). A first check valve (108) allows oil to flow from only one of the retard chambers (48) to only one of the advance chambers (46) when a first diverter valve (104,104') permits communication between the one of the advance chambers (46) and the first check valve (108) and a second check valve (110) allows oil to flow from the one of the advance chambers (46) to the one of the retard chambers (48) when a second diverter valve (106,106') permits communication between the one of the retard chambers (48) and the second check valve (110).