HYDRODYNAMIC RETARDER SYSTEM
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United States of America
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Issued Date -
Mar 5, 2020
app pub date -
Apr 10, 2018
filing date -
Apr 10, 2018
priority date (Note) -
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Abstract
A hydrodynamic retarder system for a vehicle is provided. In a first operational state with the vehicle powered on and a retarder deactivated, a pump directs fluid flow from a fluid sump to a retarder inlet valve in the closed position and directs fluid flow to a second sump. In a second operational state with the vehicle on and the retarder activated, the retarder inlet valve moves to the open position directing fluid flow into a retarder chamber and flowing out of the retarder chamber after filling a second volume and discharging to the second sump.
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