Electric retarder/generator for additional braking energy
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United States of America Patent
Stats
-
N/A
Issued Date -
Oct 9, 2003
app pub date -
Apr 4, 2002
filing date -
Apr 4, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A driveline assembly for a motor vehicle includes a housing containing at least a portion of a driveline component and a wet disk brake assembly. The wet disk brake assembly includes a plurality of friction disks immersed within lubricating/cooling oil contained within the housing. Actuation of the friction disks creates a braking force to slow and stop rotation of an axle and creates heat that can cause premature deterioration of the lubricating/cooling oil that in turn can cause premature failure of driveline components and brake assembly components. An electric generator driven by a driveline component is included within the housing to provide additional braking energy to reduce the braking load on the wet disk brake assembly such that the lubricating/cooling oil maintains temperatures within acceptable predetermined operational limits without a separate oil cooling system.
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