Chain drive with chain wheel and aligned support wheel
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United States of America Patent
Stats
-
May 19, 2009
Grant Date -
Jun 22, 2006
app pub date -
Nov 23, 2005
filing date -
Nov 26, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A chain drive, especially to a camshaft/camshaft drive for a motor vehicle engine, comprising at least two chain wheels and one drive chain. The gear rims of the at least two chain wheels are arranged to be laterally offset to each other in the axial direction. The chain drive is performed as a multiple chain, wherein each of the offset gear rims of the chain wheels have their own track of the multiple chain due to the lateral displacement of the gear rims. The tip diameters of the offset gear rims and the chain wheels are overlapping. At least one support wheel is provided laterally next to a gear rim of an associated chain wheel, which engages into the empty track of the multiple chain not engaged with the gear rim of the associated chain wheel and is driven together with the associated chain wheel.
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