Method of shifting a transmission

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United States of America Patent

PATENT NO 9862384
SERIAL NO

15018034

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Abstract

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A method of controlling a Continuously Variable Transmission (CVT) simulates a step-ratio transmission upshift. To simulate a step-ratio torque phase, the input torque is gradually reduced before beginning to change the variator ratio. Then, as the variator ratio is changed, the input torque is gradually increased to compensate for the decreasing torque ratio, simulating the relatively constant output torque of an inertia phase of a step-ratio upshift.

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Patent Owner(s)

Patent OwnerAddress
FORD GLOBAL TECHNOLOGIES LLC300 TOWN CENTER DRIVE SUITE 800 DEARBORN MI 48126

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Weitian Windsor, CA 38 143
Dai, Zhengyu Canton, US 57 371
Hu, Guopeng Northville, US 13 34
Jiang, Hong Birmingham, US 548 6417
Sargent, Timothy L Northville, US 3 7
Xu, Yang Dearborn, US 501 4586

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