ROLLING RESISTANCE MEASUREMENT DEVICE, ROLLING RESISTANCE MEASUREMENT METHOD, AND PROGRAM
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United States of America Patent
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Issued Date -
Jun 15, 2023
app pub date -
Apr 6, 2020
filing date -
Apr 6, 2020
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Abstract
This rolling resistance measurement device for measuring the rolling resistance of a tire comprises: a cylindrical load wheel that has an outer circumferential surface that is in contact with the tread surface of a tire; a bearing part that rotatably supports the load wheel or tire; a load measurement unit that measures the load applied to a rotary shaft for the load wheel or tire; a supply part that supplies a lubricating oil to the bearing part; and a control unit. The control unit comprises a parasitic loss acquisition unit that acquires the parasitic loss accompanying the rotation of the tire T and load wheel and a supply control unit that controls the supply part on the basis of the acquired parasitic loss.
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