Variable valve train for an engine braking mode
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United States of America Patent
Stats
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Aug 13, 2024
Grant Date -
Aug 11, 2022
app pub date -
Jul 17, 2020
filing date -
Jul 23, 2019
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to a variable valve train for switching an outlet valve of an internal combustion engine to an engine braking mode. The variable valve train has a camshaft with a first cam, which is designed as a normal operation cam, and a second cam, which is designed as an engine braking cam. A first rocking lever has a first stroke device which is designed for selectively making or breaking a first operative connection between the first cam and the outlet valve by means of the first rocking lever. A second rocking lever has a second stroke device which is designed for selectively making or breaking a second operative connection between the second cam and the outlet valve by means of the second rocking lever. A valve device selectively connects the first stroke device or the second stroke device to a fluid feed line.
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