Variable valve drive with a sliding cam system for an internal combustion engine

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United States of America Patent

PATENT NO 10634014
APP PUB NO 20190277166A1
SERIAL NO

16290014

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A variable drive for an internal combustion engine with a first gas exchange valve, in particular outlet valve, and a second gas exchange valve, in particular outlet valve. The variable valve drive has a sliding cam system. The sliding cam system has an axially displaceable cam carrier which, for the first gas exchange valve, has only two cams, namely a first cam and a second cam offset axially with respect thereto, and, for the second gas exchange valve, has only two cams, namely a third cam and a fourth cam offset axially with respect thereto. The first cam, the second cam, the third cam and the fourth cam differ from a zero lift cam. The first cam and the third cam are identical in design. The second cam and the fourth cam differ in design.

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Patent Owner(s)

  • MAN TRUCK & BUS AG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirschmann, Steffen Neustadt an der Aisch, DE 15 11
Hyna, Dominic Fürth, DE 4 4
Malischewski, Thomas Heilsbronn, DE 27 17

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