Phasing of chains, sprockets, and gears to provide enhanced...

Details Phasing of chains, sprockets, and gears to provide enhanced... Phasing of chains, sprockets, and gears to provide enhanced...

2011-08-16

2011-08-16

Siconolfi, Robert (Department: 3657)

Endless belt power transmission systems or components

Plural belts or plural output loads

C474S148000, C474S164000, C474S152000, C474S212000, C474S213000

Reexamination Certificate

active

07998007

ABSTRACT:
A method for reducing NVH in a vehicle having the steps of providing at least one repeating event, replicating at least one component, and delaying at least one equivalent part. The repeating event is a complete cycle, such that the repeating event ends when the cycle begins to repeat itself. The component is replicated at least one time so that at least one equivalent part is formed. The equivalent part is delayed with respect to the component by angularly positioning the equivalent part with respect to the component in a predetermined way, such that at least one harmonic in the NVH-spectra is reduced during the component's repeating event and the equivalent part's repeating event in operation.

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