Valve gear for load change valves of internal combustion engines
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United States of America Patent
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-
Jun 10, 2008
Grant Date -
Jun 5, 2008
app pub date -
Jan 3, 2007
filing date -
Jan 23, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A valve gear arrangement for load change valves of internal combustion engines has an intermediate element that is pivoted on a lever in the cylinder head, to activate the load change valves. The intermediate element engages a cam of a camshaft and has fork-shaped parallel guides on guide cylinders, over the center axis of which a guide groove in the shape of a circular ring segment extends. A roller axle of a roller that engages the cam is displaceably guided in the guide groove. There are springs supported on the roller axle that force the roller axle against an adjustable guide element, counter to the acting forces, when it passes through a plateau region of the cam, and lies against the plateau region.
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