Vehicular continuously variable transmission, vehicle equipped with vehicular continuously variable transmission, and method of controlling vehicular continuously variable transmission

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United States of America Patent

PATENT NO 11773971
SERIAL NO

17537555

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A belt-type continuously variable transmission includes an actual gear ratio calculation unit for calculating an actual gear ratio based on the rotation speed of a drive pulley and the rotation speed of a driven pulley, a reference gear ratio calculation unit for calculating a reference gear ratio by modifying the actual gear ratio based on an input torque and a driven pulley hydraulic pressure, and a condition determination unit for, in a case where the target gear ratio is an overdrive gear ratio, determining that at least part of rings of a belt is missing when the reference gear ratio is greater than or equal to a predetermined gear ratio and a drive pulley hydraulic pressure is greater than or equal to a predetermined hydraulic pressure.

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Patent Owner(s)

Patent OwnerAddress
HONDA MOTOR CO LTDTOKYO JAPAN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asai, Hikaru Tokyo, JP 1 0
Kurata, Takeshi Tokyo, JP 35 225
Ogata, Ukyo Tokyo, JP 7 32
Okabe, Atsushi Tokyo, JP 7 43
Yoshida, Hideaki Tokyo, JP 172 2297

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