Method and control unit for operating a hybrid vehicle

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12179740
APP PUB NO 20220153256A1
SERIAL NO

17527696

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Importance

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Abstract

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A method for operating a hybrid vehicle includes, depending on a presence of a control-side demand to engage a separating clutch (4), implementing an engagement process of the separating clutch (4) during driving under purely electric motor power and, depending on the presence of a control-side demand to implement an upshift in a transmission (5), implementing a gear ratio change from a current gear of the upshift into a target gear of the upshift. In response to the control-side demand to engage the separating clutch (4) and the control-side demand to implement the upshift, the method includes checking whether the upshift is necessary in order to prevent a vehicle-side rotational speed from reaching or exceeding a rotational speed limit value. When the upshift is necessary in order to prevent the vehicle-side rotational speed from reaching or exceeding the rotational speed limit value, the implementation of the upshift in the transmission is prioritized over the implementation of the engagement process of the separating clutch.

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Patent Owner(s)

Patent OwnerAddress
ZF FRIEDRICHSHAFEN AGLÖWENTALER STR 20 FRIEDRICHSHAFEN 88046

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Deprez, Frank Mariabrunn, DE 8 2
Kemler, Johannes Lindau, DE 15 141

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