Method for determining pitches of cooling fins for a pneumatic tire and pneumatic tire including cooling fins arranged by the same
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United States of America Patent
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Nov 8, 2016
Grant Date -
May 14, 2015
app pub date -
Sep 11, 2014
filing date -
Aug 8, 2013
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Abstract
Disclosed are a method for determining pitches of cooling fins for a pneumatic tire so that the heat dissipation performance of the sidewall may be improved and an airflow noise generated by a high speed air may be decreased, and a pneumatic tire including the cooling fins arranged by the same. The method for determining pitches of cooling fins for a pneumatic tire, including: selecting a total number of cooling fins, the number of pitch-types, and a size of each pitch; generating a random number and arranging each type of pitch sequentially by the generated random number to produce a random pitch arrangement; Fourier transforming the obtained pitch arrangement to calculate a result value (FT); and repeatedly performing the steps of producing a random pitch arrangement and calculating the FT to determine a pitch arrangement when a change in amplitude of the FT is smallest.
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