What does ECVT continuously variable transmission mean?

[OscarDella]

CVT continuously variable transmission, as the name implies, does not have specific gears. In operation, it is similar to an automatic transmission, but the change in speed ratio differs from the gear-shifting process of an automatic transmission, instead providing continuous speed variation, thus ensuring smooth and uninterrupted power delivery. Advantages and disadvantages of CVT transmission: 1. Since it lacks the transmission gears of a conventional automatic transmission, there is no gear-shifting process, eliminating the associated jerky shifting sensation. As a result, the power output of a CVT transmission is linear, providing a very smooth driving experience. 2. The transmission system of a CVT theoretically allows for an infinite number of gears, offering greater flexibility in gear settings. It is easier to achieve a balance between gear ratio, speed ratio, performance, fuel consumption, and exhaust emissions compared to traditional transmission systems. 3. The mechanical efficiency and fuel economy of CVT transmission are significantly better than those of conventional automatic transmissions, second only to manual transmissions, resulting in much better fuel efficiency. 4. Compared to traditional automatic transmissions, its cost is slightly higher; moreover, improper operation increases the likelihood of issues. 5. The CVT transmission itself has its drawbacks, primarily that the steel belt used in transmission can only withstand limited force.

[ColinRose]

I think the eCVT continuously variable transmission is a core technology in hybrid vehicles, simply put, it's an electronically controlled continuously variable transmission. Unlike traditional automatic transmissions with fixed gears, it uses a combination of planetary gear sets, electric motors, and the engine to achieve seamless speed changes. When driving, you'll feel super smooth acceleration without any gear shift jerks. Commonly found in hybrid vehicles like the Toyota Prius or Lexus models, the system intelligently adjusts the output of both the engine and electric motor to keep the vehicle operating in its most efficient range, resulting in both fuel savings and quiet operation. In daily driving, whether in stop-and-go city traffic or highway cruising, the power delivery remains consistently smooth. This design stems from the pursuit of energy efficiency, seamlessly integrating mechanical and electronic elements—a significant advancement in modern automotive engineering that helps reduce emissions while enhancing comfort.

[VonStephen]

Having driven a hybrid car for several years, my biggest takeaway from the eCVT is the smooth and silent driving experience. With a gentle press on the accelerator at startup, the car accelerates gradually without any of the jerks or gear shift impacts typical of traditional transmissions. The electronic system continuously adjusts the coordination between the engine and motor, ensuring seamless speed transitions. For instance, when climbing a slope, the system automatically allocates power to prevent engine overload. Another advantage is the lower fuel consumption—in my experience, it saves 1-2 liters on average compared to conventional automatic transmissions. This technology makes hybrid cars feel more like electric vehicles, offering simplicity in operation without the hassle of gear shifting, making them particularly suitable for city commuting. In practical use, there are hardly any major issues, just regular maintenance is needed.

[GrantLynn]

eCVT stands for electronically controlled continuously variable transmission, primarily used in hybrid vehicles. Its advantages lie prominently in efficiency and comfort: by intelligently combining the engine and electric motor, it avoids the energy losses associated with traditional transmissions. During driving, acceleration is smooth, and fuel consumption can be reduced by more than 10%. Due to its continuously variable design, the engine always operates in a high-efficiency state.