DEVICE FOR A VALVE TRAIN FOR SWITCHING OVER THE LIFT OF GAS-EXCHANGE VALVES OF AN INTERNAL COMBUSTION ENGINE
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United States of America Patent
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Issued Date -
Apr 7, 2016
app pub date -
Oct 7, 2015
filing date -
Oct 7, 2014
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Abstract
A device for a valve train for switching over the lift of gas-exchange valves of an internal combustion engine, the internal combustion engine including a camshaft on which at least one cam carrier with at least three different cam profiles is mounted so as to be torque-proof and axially movable. The device includes an adjustment shaft arranged parallel to the camshaft and on which a first transmission element is mounted so as to be torque-proof and axially movable, the first transmission element having a guide unit, a housing-fixed first guide element operatively connected to the guide unit, a second guide element that, on the one hand, is operatively connected to the guide unit and, on the other hand, to the cam carrier via a second transmission element, whereby the second transmission element is connected to the cam carrier so as to be axially immovable, and a push element.
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