The Floating Cup principle strongly increases the efficiency of hydraulic pumps, motors and transformers. Recent tests have proven an efficiency of up to 98%. For automobiles and other vehicles, this opens the opportunity for the ‘Hydrid’: a full hydraulic hybrid transmission between engine and wheels. The Hydrid has in-wheel hydraulic motors, hydraulic transformers for variable traction control and a common pressure rail including accumulators for power management and energy recuperation. The Hydrid offers the same advantages as hybrid electric drive trains, but without the cost penalty.
The Hydrid Transmission
Sae Technical Papers
SAE 2007 Commercial Vehicle Engineering Congress & Exhibition ; 2007
2007-10-30
Conference paper
English
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