Construction of a hydraulic oil channel between a central valve and a volume accumulator of a camshaft adjuster
AssigneeSchaeffler Technologies AG & Co. KG
InventorsMichael Busse, Jens Schafer, Martin Steigerwald, Jurgen Plate
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Abstract
A directional control valve (2) for controlling a flow of hydraulic oil from a pressure connection (80) via work chambers of a camshaft adjuster (90) to a tank connection (88). The disclosed directional control valve (2) includes an accumulator connection (86) for guiding at least a part of the hydraulic oil flowing out from a work chamber into a volume accumulator (126) before the discharge into the tank connection (88).
Claims10
A directional control valve for controlling a flow of hydraulic oil from a pressure connection via work chambers of a camshaft adjuster to a tank connection, comprising an accumulator connection for guiding at least one part of the hydraulic oil flowing out from a work chamber into a volume accumulator before being discharged into the tank connection.
Dependencies are inferred from the claim text.