CNG hydraulic hybrid refuse truck in the Technology Parade – Click above for high-res image gallery
The New York sanitation department has just started a year-long evaluation of a hydrostatic regenerative braking (HRB) system on garbage trucks. The system provided by Bosch Rexroth is a hydraulic launch assist system. This is basically a hydraulic mild hybrid system. During braking, a hydraulic pump is driven off the gearbox to pressurize an accumulator. When the vehicle accelerates, the hydraulic pressure is used to drive a hydraulic motor that provides a mechanical assist to the transmission.
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