Patent ID: 8166941
Filing Date: 2012-05-01
Classification: F01L

Abstract:
1. A device for switching activation of a hydraulic valve play equalization element for optional setting of a maximal stroke or a zero stroke on a valve of an internal combustion engine, comprising: a switching element for locking and unlocking a housing of the valve play equalization element with regard to a guide that is axially displaceable within the housing, the switching element consisting of a rotatable switching ring surrounding the housing; a linkage for rotating the switching ring relative to the housing, said linkage being disposed on the switching ring; and a rotatable adjustment shaft having a groove disposed on a circumference thereof, the groove having a groove section with an axial incline; wherein the linkage is in communication with the groove by way of a guide element, and wherein the switching ring is rotated in the groove section via the guide element during rotation of the adjustment shaft to implement a switching process.