Patent ID: 6729287
Filing Date: 2004-05-04
Classification: F01L,Y10T

Abstract:
A connection (42) between a shaft end (22) of a gas exchange valve (1) of an internal combustion engine and a sleevelike actuating piston (2) of a valve actuator (4), the connection comprisingat least two shell-like key pieces (44, 46) surrounding the shaft end (22) and having a conically tapering portion (50) on their radially outer circumferential surface pointing away from a combustion chamber of the engine, a conical fastening sleeve having a radially inner conical portion (60) surrounding the key pieces (44, 46) and having a cone angle complementary to the conical tapering portion (50), the conical fastening sleeve and the key pieces (44, 46) being braced axially against one another, and protrusions (70) and recesses (72) on the radially inner circumferential surface of the key pieces (44, 46) and on the radially outer circumferential surface of the shaft end (22) of the gas exchange valve (1), the protrusions and recesses engaging one another, the conical fastening sleeve being formed by the actuating piston (2) and the actuating piston (2) and the key pieces (44, 46) having threaded portions (52, 62) that can be screwed into one another.