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What does e-CVT continuously variable transmission mean?

1 Answers

AnthonyLynn

07/29/25 2:16pm

ECVT is a hybrid transmission integrated with an electric motor, which has a completely different structure from CVT, though theoretically it can achieve continuously variable transmission. The following are the differences between ECVT and CVT transmissions: 1. Structural differences: The structure of CVT mainly consists of two sets of pulleys and belts, oil pump, torque converter, actuators, sensors, and control computer; ECVT does not have complex mechanisms such as clutches, torque converters, or gear sets found in traditional transmission systems, but is composed of a set of planetary gears and two electric motors. 2. Different working principles: In CVT technology, Motor 2 is responsible for starting, low-speed driving, and hybrid driving, while Motor 1 mainly starts the engine and generates electricity, with the engine connected to the planetary carrier; ECVT not only transmits power but also couples the energy of the engine and the electric motor to achieve power output, making it a power distribution mechanism specifically designed for hybrid vehicles.

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