Hydraulic valve for a cam phaser

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United States of America Patent

PATENT NO 11111826
APP PUB NO 20190257224A1
SERIAL NO

16276325

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A hydraulic valve for a cam phaser, the hydraulic valve comprising: a bushing including a piston that is movable in a bore along a longitudinal direction; a supply connection for feeding a hydraulic fluid; a first operating connection and a second operation connection; and a first tank drain connection and a second tank drain connection configured to drain the hydraulic fluid, wherein a first check valve is associated with the first operating connection and a second check valve is associated with the second operating connection, and the first operating connection and the second operating connection are connectable through at least one of the first check valve and the second check valve alternatively with each other or with the supply connection or with the first tank drain connection or with the second tank drain connection by moving the piston, wherein the hydraulic valve includes five switching positions,

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First Claim

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Patent Owner(s)

  • ECO HOLDING 1 GMBH

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bartel, Udo Rechtenbach, DE 1 2
Mueller, Falk Wuerzburg, DE 3 21
Ruppert, Patrick Volkach, DE 1 2
Seidenschwann, Andre Erlensee, DE 3 2

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