Hyundai Launches Motor Integrated Six-Speed Transmission For Latest Hybrid Models

by Oct 28, 2014All News, Hyundai, Technical1 comment

Hyundai Motor Co., South Korea’s largest automaker, has announced a new six-speed automatic transmission for hybrid electric vehicles (HEV) at the company’s annual International Powertrain Conference held today in Namyang, South Korea.

[ads id=”4″ style=”float:left;padding:9px;”]The new six-speed automatic transmission integrates the electric motor and applies a number of new technologies that deliver tangible benefits to the customer. The new unit will be fitted to future Hyundai hybrids, including the All-new Sonata.

The innovative set-up means that almost all of the hybrid powertrain components are contained within the transmission, minimizing energy losses and increasing fuel economy.

A new traction motor and electric oil pump (EOP) have been fitted, while the torque converter has been removed completely. A lighter torsion damper, and new engine clutch, which features fewer clutch discs, reduce drag and contribute to a more efficient transfer and use of power.

The most significant change is within the oil pump system. The new transmission with the new oil pump system achieves improved fuel efficiency, by removing the mechanical oil pump (MOP) causing hydraulic losses and by applying a new electric oil pump (EOP) which automatically optimizes the system according to all driving conditions. With fewer components, the new transmission weighs 130 kg (wet) – making it lighter than its previous version – yet still delivers 280 Nm (28.5 kg.m) of torque.

Written by loubeat

Passionated about Korean cars from Hyundai, Kia & Genesis. Photographer. I love being in nature, hiking. Tech lover.

1 Comment

  1. 魔鬼

    280 Nm = 206 Lb/ft



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