Four-stroke cycle IC engine - has cylinder head contg. two inlet valves and two exhaust valves arranged in plane parallel to camshaft and operated by rocker levers

摘要

The inlet valve rocker lever (9) has two bearing positions and the exhaust valve rocker lever (10) has one bearing position. The bearing positions of the inlet valve rocker lever (9) are connected by an upper stirrup and a lower stirrup and the exhaust valve rocker lever (10) is arranged between the bearing positions and the stirrups. The exhaust valve rocker lever (10) has two exhaust forks, which have their origin in the individual bearing position, and which engage around an injection valve centrally arranged and parallel to the cylinder axis. USE/ADVANTAGE - A rigid valve drive for an IC engine, which produces a low noise level and works accurately.