Device for variably actuating the gas exchange valves in...

Details Device for variably actuating the gas exchange valves in... Device for variably actuating the gas exchange valves in...

2006-02-14

2006-02-14

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Rocker

C123S090390, C123S090450

Reexamination Certificate

active

06997153

ABSTRACT:
The aim of the invention is to fulfill, in a way that is superior to that of the previous state of the art, the demands placed by the engine on a variable valve control with regard to the shaping and accuracy of the valve lifting curves, to the simplicity of the structural design of the valve drive and of the associated adjusting mechanism, and to mechanical losses due to friction. These demands are met without any additional structural complexity, and, more particularly, without any changes to the overall height. This feat is achieved by means of the provision of a rotatable drive consisting of a housing (G), a shaft (W), an intermediate element (Z), and of an output element (A).

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