Hydraulic torque converter for small-tonnage forklift

The invention relates to a hydraulic torque converter, in particular to a hydraulic torque converter for a small-tonnage forklift. The hydraulic torque converter comprises a cover wheel assembly, a turbine assembly, a pump wheel assembly and a guide wheel assembly, through reasonable design of all parameters of a turbine body, a pump wheel body and a guide wheel body, the highest efficiency of the hydraulic torque converter is high under the traction station, at the highest-efficiency station, the capacity of the torque converter is large, and the whole forklift can obtain good power performance and fuel economy. 本发明涉及种液力变矩器，具体涉及种小吨位叉车用液力变矩器。该液力变矩器包括罩轮组件、涡轮组件、泵轮组件以及导轮组件；通过对涡轮体、泵轮体以及导轮体各个参数的合理设计，本发明的液力变矩器在牵引工况时最高效率高且在最高效率工况点时变矩器的能容大,这样整车可获得良好的动力性和燃油经济性。