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按照液力原理工作的变扭器,其所产生之损失,使作为工作介质的油变热。因此,必须持续地从循环圆中排出一定量的油流,予以冷却,再引回到循环圆中。这种冷却油流,一部分通过迷宫油封流出,另一部分通过专门设计的常排油孔排出(图1)。在类比设计变扭器时,此两部分油量各按照不同的规律。为了能够将一个模型变扭器的性能允许推广到实物变扭器上去,模型变扭器必须与实物变扭器具有相同比例的密封油量和常排油孔油量。下面的研究指出,模型变扭器迷宫油封之缝隙宽度不能按照几何关系来确定。本文将导出各类比规律。
In accordance with the principle of hydraulic torque converter, the loss generated by the work as a medium to make the oil heat. Therefore, it is necessary to continuously discharge a certain amount of oil flow from the circulation circle, cool it, and lead it back to the circulation circle. This cooling oil flow, part of the outflow through the labyrinth seal, and the other part of the exhaust hole through the specially designed discharge (Figure 1). In the analog converter design, the two parts of the oil in accordance with different laws. In order to be able to extend the performance of a model torque converter to a real torque converter, the model torque converter must have the same ratio of seal oil and normally drain oil to the actual torque converter. The following study shows that the gap width of the model torque converter labyrinth seal can not be determined geometrically. This article will derive various types of law.