Spring arrangement for a variable valve drive of an internal combustion engine
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United States of America Patent
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Oct 10, 2017
Issued Date -
N/A
app pub date -
Apr 4, 2014
filing date -
Jun 25, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A spring arrangement for a variable valve drive of an internal combustion engine includes an intermediate lever, a control shaft, a control shaft roller, a working cam contour, and a spring element. The intermediate lever comprises a contact surface, a camshaft roller which bears against a camshaft, and a slot roller which bears against a slotted guide. The control shaft roller is arranged on the intermediate lever to face away from the slotted guide. The control shaft roller bears against the control shaft. The working cam contour is formed at an end of the intermediate lever opposite the camshaft roller. The spring element comprises a force component on the contact surface in the direction of the camshaft and the slotted guide, and an end leg. The spring element loads the camshaft roller against the camshaft and the slot roller against the slotted guide. The end leg bears against the contact surface.
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