裝載機偶合器里只有泵輪和渦輪，而沒有改變渦輪油液流動方向的導輪。工作時泵輪油液傳給渦輪，然后又經渦輪返回泵輪，經渦輪返回泵輪的油液改變了旋轉的方向，液流流向和泵輪旋轉方向正好相反。發動機曲軸在旋轉的同時，還需克服來自渦輪油液的反向阻力。發動機動力被削弱了，所以液力偶合器只有偶合工況，而永遠不會有增矩工況。
Shandong loader coupling, only a pump impeller and a turbine, the turbine without changing the direction of fluid flow guide rollers. When working pump oil to pass turbine wheel, and then through the turbine wheel return pump, oil pump

through the turbine wheel return changed the direction of rotation, the flow direction and the opposite direction of rotation of the pump impeller. Engine crankshaft while being rotated, the need to overcome the resistance from the

reverse of the turbine oil. Engine power is weakened, so that only the coupling fluid coupling condition, and never have increased torque conditions.

裝載機變矩器中泵輪快速運動時，渦輪受到載荷和行駛阻力限制轉速較慢，泵輪和渦輪間產生了轉速差。這個轉速差存在于整個變矩區。這個轉速差就形成了殘余能量。即由于泵輪轉數快于渦輪轉數，所以泵輪流向渦輪的油液除了驅動渦輪外，還剩余一部分能量，這就是殘余能量，泵輪和渦輪的轉數差越大殘余能量就越大。
When the torque converter pump wheel loaders Shandong fast moving, turbine load and driving resistance by the slower speed limit, between the pump and turbine produces a speed difference. This speed difference exists in the entire variable torque area. This speed difference on the formation of residual energy. That is, since the number of pump rotation is faster than the number of revolutions of the turbine, so that the oil pump to the turbine in turn drives the turbine in addition to, but also the remaining part of the energy, which is the difference between the number of revolutions of the residual energy, the pump impeller and the turbine, the greater the greater the residual energy.

裝載機變矩器就不同了，泵輪和渦輪的轉速差越大，殘余能量就越大，油液流動的速度就越快，流動的角度就越大。在轉數差較大時，渦輪的油液就沖向導輪的正面。導輪由于單向離合器的鎖止作用，而不能向左旋轉。這樣流經導輪的油液就改變了流動的方向，直接作用于泵輪葉片的后部，于是油液的殘余能量就增大了泵輪的轉矩。殘余能量越大，增矩效果就越好。只有在泵輪轉數高于渦轉數時才能產生殘余能量，才能使轉矩增大，在渦輪制動時其變矩比達到最大值。
Shandong loader torque converter is different, the speed difference between the pump and turbine is larger, the greater the residual energy, the faster the speed of the oil flow, the greater the angle of flow. When rotating speed

difference is large, fluid turbine guide on the red front wheel. Since the role of the guide wheel lockup clutch of the one-way, but can not be rotated to the left. Thus the oil flows through the guide wheel to change the direction of flow, acts directly on the rear of the impeller blades, then the residual energy of the oil increases the torque of the pump impeller. The larger the residual energy, increased torque, the better. Only when the pump is higher than the rotation number of vortex revolutions to generate residual energy, in order to make the torque increases, the turbine braking torque ratio reaches its maximum value.