Starter alternator assembly comprising a poli-V belt and poli-V belt
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United States of America Patent
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Jun 2, 2015
Grant Date -
Nov 17, 2011
app pub date -
Jun 19, 2008
filing date -
Jun 19, 2008
priority date (Note) -
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Abstract
Starter-alternator assembly including a poly-V belt comprising a body made of elastomeric material, a plurality of filiform resistant inserts longitudinally embedded in the body, and a coupling portion integrally connected to the body and comprising a plurality of V-shaped ribs set alongside one another and alternating with V-shaped grooves. The belt has a dynamic modulus, with a tensile force pre-set at 600 N at a frequency 15 Hz, that after 10 000 cycles is higher than 110 000 N/rib/branch, and is advantageously made with resistant inserts obtained from at least one first fiber material and one second fiber material.
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