Method for performing shifts in a dog clutch element

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United States of America Patent

PATENT NO 11091146
APP PUB NO 20190276005A1
SERIAL NO

16335348

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Abstract

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A method performs shifts in a dog clutch element of a transmission system in a hybrid vehicle. The vehicle has an input shaft being connected to a crankshaft of an internal combustion engine, an output shaft being connected indirectly to driven wheels, an electric machine which is in engagement with the input shaft, and an automatic transmission connected between the input and output shafts. The transmission has a dog clutch element for the releasable coupling of two transmission elements. During a desired shifting of the dog clutch element, the torque of the input shaft is adapted via the electric machine, and therefore a reduced load prevails in the region of the dog clutch element and the latter can be disengaged, after which the internal combustion engine is set to a desired target rotational speed, and after which the dog clutch element is engaged when the target rotational speed is reached.

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Patent Owner(s)

  • VOITH PATENT GMBH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goette, Johannes Giengen, DE 2 1
Gross, Bernd Heidenheim, DE 28 285
Lazarenka, Vitali Aalen, DE 2 1
Lindenmaier, Jochen Herbrechtingen, DE 5 7

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