DEVICE AND METHOD FOR ENERGY RECOVERY FOR AN ELECTRICALLY DRIVEN MOTOR VEHICLE
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United States of America Patent
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Issued Date -
Mar 9, 2023
app pub date -
Nov 9, 2020
filing date -
Nov 18, 2019
priority date (Note) -
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Abstract
The invention relates to a device for energy recovery for an electrically driven motor vehicle. The device comprises an electric drive unit (16) for driving the motor vehicle and a permanent brake device (20) which is designed as a hydrodynamic retarder and is or can be drivingly connected to the electric drive unit (16). A waste heat recovery device (12) has an expansion machine (36) which is or can be connected to the permanent brake device (20) for energy recovery of a waste heat resulting from the braking of the permanent brake device (20). The invention also relates to a method for energy recovery in an electrically driven motor vehicle.
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