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What is the operating principle of a torque converter?
Release date:
2023-06-27 17:44
Source:
As its name suggests, the Dana torque converter is a device that enables variable-speed rotation. It has been widely used in automotive transmission systems and later adopted in mechanical power‑transmission applications as well. So, what exactly is the operating principle of the Dana torque converter?
1. The oil pump and the hydraulic torque converter. Dana’s torque converter operates on the principle of hydraulic transmission, using fluid pressure to transmit power. Its two key components are the oil pump and the hydraulic torque converter. The hydraulic torque converter consists of a turbine and an impeller; the turbine rotates freely without restriction, while the impeller achieves variable-speed rotation by mixing fluids.
2. Viscous‑friction coupling principle. Once the oil pump and the hydraulic torque converter are connected, they together form a Dana torque converter. This torque converter is characterized by its use of the viscous‑friction coupling principle. Simply put, it adjusts the ratio of torque to speed by leveraging the viscous friction generated as the fluid flows.
3. Advantages of hydraulic transmission systems. Compared with mechanical transmission systems, hydraulic transmission systems offer greater flexibility and more stable operating performance. When the load changes, they can rapidly and adaptively adjust the torque–speed ratio, ensuring the system’s normal operation.
4. Practical applications of the Dana torque converter. The Dana torque converter is widely used in mechanical transmission systems, such as various construction machines, chemical processing equipment, and marine vessels. During operation, it enables seamless gear shifts between high and low speeds, allowing machinery to adapt to diverse operating conditions.
5. Future Development Trends of Dana Torque Converters In the future, as machinery becomes increasingly intelligent and automated, Dana torque converters will face ever‑higher technical demands—such as enhanced reliability and durability, as well as lighter, more compact designs. Consequently, manufacturers of Dana torque converters must continuously pursue research and innovation to keep pace with evolving market trends and technological advances.
In short, the torque converter is a widely used mechanical device with deep technical roots. Whether today or in the future, it will continue to play an indispensable and vital role.
The Dana torque converter is an automatic transmission that, compared with a conventional manual transmission, offers several advantages. For instance, it can synchronize engine speed with wheel speed as vehicle speed changes, reducing the driver’s shifting effort and enhancing driving comfort. The intelligent control system of the Dana torque converter automatically adjusts shift timing and engine speed based on the driver’s habits and road conditions, thereby improving fuel efficiency. Additionally, the Dana torque converter ensures smoother performance at both low and high speeds, delivering a more comfortable and safer driving experience.
Dana torque converter
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