Variable-lift valve train having at least two working positions

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12152513
APP PUB NO 20220090523A1
SERIAL NO

17295087

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A variable-lift valve train for a gas exchange valve of an internal combustion engine includes a lift adjuster, a lift actuator, and a lift lever. The lift adjuster has a working curve that is arrangeable at least in a first working position for setting a partial lift and in a second working position for setting a maximum lift. The working curve has a lift region and a base circle region. The lift actuator, which has an actuating contour configured to deflect the lift adjuster. The lift lever, which is deflectable via the working curve and thereby actuates a lift of the gas exchange valve. The valve train is configured to, in the first working position and in the second working position, actuate the gas exchange valve with an at least substantially equal maximum valve acceleration.

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Patent Owner(s)

Patent OwnerAddress
BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFTPETUELRING 130 MUENCHEN 80809

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Clauberg, Jan - 1 1
Lohde, Steffen Munich, DE 2 1
Mincione, Giovanni Munich, DE 2 1
Sperrhacke, Sebastian Schweitenkirchen, DE 3 2
Wabbals, Din Munich, DE 4 2

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