System and method for controlling a transmission gear shift

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United States of America Patent

PATENT NO 9944289
SERIAL NO

14934804

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Abstract

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A system and method for controlling a transmission gear shift during a braking event in a vehicle having an electric motor and friction brakes both operable to brake the vehicle includes the step of reducing friction braking to increase wheel torque during the braking event. The braking event includes both friction braking and regenerative braking. The reduction in friction braking to increase the wheel torque is based at least in part on a reduction in the wheel torque resulting from a change in gear ratio of a step-ratio transmission during the transmission gear shift.

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FORD GLOBAL TECHNOLOGIES LLCONE AMERICAN ROAD FL4 DEARBORN MI 48126

International Classification(s)

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  • 2015 Application Filing Year
  • B60K Class
  • 2427 Applications Filed
  • 1969 Patents Issued To-Date
  • 81.13 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2015201620172018201920202021202220230255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lear, Christopher Alan Dearborn, US 22 148
Nefcy, Bernard D Novi, US 109 942
Yamazaki, Mark Steven Canton, US 137 1177

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges18752552911101 - 1011 - 2021 - 3041 - 5051 - 6061 - 700255075100125150175200225250275300325350375400425450475500525550575

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