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Dedicated Hybrid Transmission – DHT
Within the study of DHT concept design, PUNCH Powerglide has already registered several patents.
This type of hybrid transmission is specifically designed for hybrid vehicles. It includes ratios designed for the internal combustion engine (ICE) and others for the electric motor (EM) which is mounted on the transmission side. In order to reduce the cost, weight and footprint of the transmission, the number of ratios (5 for the ICE and 2 for the EM) is the strict minimum required to ensure optimum energy efficiency in each mode as well as driving performance and comfort equivalent to current automatic gearboxes.
This dedicated hybrid transmission concept will correspond to the second step towards hybridization, once the investment into new technology is justified by sufficient production volumes.