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US 2004/0200447 A1Published application
Supporting structure for engine timing chain
OwnerGyu-Wan Kiminventor
Life of this patent
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Abstract
A supporting structure for an engine timing chain comprising a chain guide for artificially limiting vertical movement of the timing chain near a camshaft sprocket, thereby reducing any abnormal engagement between the timing chain and camshaft sprocket while the camshaft sprocket is in motion, decreasing noise, and increasing the life of the components.
Claims8
An engine timing chain assembly, comprising:
- a timing chain installed around a crankshaft sprocket and a camshaft sprocket to allow a camshaft and a crankshaft to interact with each other for periodically opening and closing intake and exhaust valves;
- and
- a chain guide for guiding movement of said timing chain in close proximity to said camshaft sprocket and for restricting vertical movement of said timing chain.
Dependencies are inferred from the claim text.