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What Components Make Up a Hydromechanical Transmission?

1 Answers

StBarrett

07/25/25 4:00pm

Introduction to the components of a hydromechanical transmission: A hydraulic automatic transmission is a type of transmission that combines a hydraulic torque converter with a planetary gear transmission. It consists of the following four main components: hydraulic torque converter, gear transmission, hydraulic control system, and electronic control system. 1. The basic structure of a hydraulic automatic transmission comprises a hydraulic torque converter and a power-shift auxiliary transmission device. The hydraulic torque converter is installed between the engine and the transmission, using hydraulic fluid as the working medium to transmit, convert torque, change speed, and act as a clutch. 2. The electronically controlled mechanical automatic transmission is based on the traditional fixed-shaft transmission and dry clutch, utilizing electronic technology and automatic transmission theory to achieve integrated electromechanical coordination control. Vehicle starting and gear shifting operations are centered around the electronic control unit (ECU), which controls clutch engagement and disengagement, gear selection and shifting, as well as engine throttle adjustment through hydraulic or pneumatic actuators.

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