It USES a fast actuated nozzle to follow the exhaust pulse, reducing the turbine inlet area periodically to increase exhaust-gas pressure.
涡流增压器采用了一个快速响应喷头来跟踪尾气脉冲，减少内燃机的进气周期，从而增加尾气排放压力。
2
Modern car engines that use rolling or sliding tappets for transmitting the rapid up-down lifting motion of the spinning camshafts—to open and close the engine’s inlet and exhaust valves—seem immune.