Invention Grant
- Patent Title: System and method for controlling a transmission gear shift
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Application No.: US14934804Application Date: 2015-11-06
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Publication No.: US09944289B2Publication Date: 2018-04-17
- Inventor: Mark Steven Yamazaki , Bernard D. Nefcy , Christopher Alan Lear
- Applicant: Ford Global Technologies, LLC
- Applicant Address: US MI Dearborn
- Assignee: Ford Global Technologies, LLC
- Current Assignee: Ford Global Technologies, LLC
- Current Assignee Address: US MI Dearborn
- Agency: Brooks Kushman P.C.
- Agent David B. Kelley
- Main IPC: B60W30/18
- IPC: B60W30/18 ; B60K6/365 ; B60W10/08 ; B60W10/184 ; B60W20/00 ; B60K6/387 ; B60K6/547 ; B60W10/11 ; B60W20/30 ; B60W20/14 ; B60K6/48

Abstract:
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.
Public/Granted literature
- US20170129493A1 SYSTEM AND METHOD FOR CONTROLLING A TRANSMISSION GEAR SHIFT Public/Granted day:2017-05-11
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