System for multi-layer braking and retardation in a work vehicle

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11299141
SERIAL NO

17172740

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Abstract

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A control system is provided for implementing multi-layer braking and retardation in a work vehicle that includes a hybrid electric drive system having an engine and one or more electric machines. The control system includes a braking and retardation system that dissipates energy generated by motion of the work vehicle, with the braking and retardation system including a brake resistor, an engine brake, and a transmission operable to provide transmission braking. A controller receives inputs on a braking torque demand and operational parameters of the hybrid electric drive system and the braking and retardation system, determines an amount of energy absorption necessary to meet the braking torque demand, and allocates the energy to be absorbed within the braking and retardation system according to a hierarchal energy allocation scheme based on the energy to be absorbed and the operational parameters of the hybrid electric drive system and braking and retardation system.

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Patent Owner(s)

Patent OwnerAddress
DEERE & COMPANYONE JOHN DEERE PLACE MOLINE IL 61265

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Janasek, Clayton G Independence, US 20 152
McKinzie, Kyle K Oswego, US 39 303

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