| 摘要 |
The invention relates to an engine auxiliary drive for a motor vehicle with a toothed-gear drive, comprising a first ( 1 ) and a second gear wheel ( 2 ) with teeth flanks ( 11, 12 ), engaged with each other, whereby the teeth flanks ( 11, 12 ) on the gear wheels ( 1, 2 ) in the force transmission region ( 13 ) are embodied without involute and progress directly or almost directly from a concave region into a convex region and the first gear wheel ( 1 ) is made from plastic.
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