What is a Continuously Variable Transmission Composed Of?

[MacKatherine]

Continuously Variable Transmission is composed of an electromagnetic clutch control system, a transmission control system, and a hydraulic control system. Below is an introduction to each component: 1. Electromagnetic Clutch Control System: When the car starts, shifts gears, or stops, the computer controls the engagement and disengagement of the clutch. 2. Transmission Control System: It uses a hydraulic system to control the transmission mechanism, which means controlling the axial position of the conical plates of the pulley by changing the width of the V-shaped grooves of the driving pulley and the driven pulley. 3. Hydraulic Control: Based on signals such as engine speed, throttle position, and transmission ratio, it controls the oil pressure supplied to the hydraulic chambers of the driving and driven pulleys. Adjusting the hydraulic pressure in the chambers is accomplished by the transmission control valve and the pressure regulating valve.

[DeKinsley]

As an automotive enthusiast, I often study various transmissions. The continuously variable transmission (CVT) primarily consists of several core components, which I'll detail one by one. The core elements are two variable-diameter pulleys: the input pulley connects to the engine to receive power, while the output pulley connects to the driveshaft to transmit power to the wheels. Between them runs a high-strength belt or chain responsible for transferring power between the pulleys. The pulley diameters are adjusted in real-time via a hydraulic system that varies their width, altering the gear ratio for seamless shifting. Don't overlook the hydraulic pump and valves, which provide the hydraulic pressure to move the pulley cones. The electronic control unit monitors driving data to intelligently optimize the shifting process. The entire system enables smooth acceleration without jerking and improves fuel efficiency. During normal driving, you might notice slight noise from the pulley movements. For maintenance, ensure regular hydraulic fluid changes to prevent belt wear and extend service life.

[DeTessa]

I love the smoothness of my CVT car when driving. Its internal components are actually quite simple. The core consists of input and output pulleys, which can adjust their size to change speed. A durable transmission belt connects the pulleys, similar to a bicycle chain but more reliable. The hydraulic system helps the pulleys shift positions, while the electronic control unit manages the shifting rhythm based on throttle input. This design ensures exceptionally smooth driving without the clunky sounds of traditional transmissions. In daily use, I find it most crucial to keep the hydraulic system clean, as dirty fluid can cause sluggish pulley movement, leading to rough shifting or even slippage. During long drives, you can really feel how the ECU adapts to road conditions, automatically adjusting to the optimal state for both fuel efficiency and safety.

[LeAaliyah]

After driving several CVT cars, I learned that it mainly consists of pulleys, belts, and a control system. The input pulley is fixed to the engine shaft, the output pulley drives the wheels, and between them is a transmission belt or chain that changes diameter as the pulley cones move. A hydraulic system provides the force to adjust the pulleys, while an electronic unit processes signals to optimize shifting. This design allows for continuous variation of the speed ratio, achieving ultra-smooth gear changes. During normal driving, the pulley movements are almost silent but effective, ensuring linear acceleration.