An excitation device is operable in the open position of the valvemember to ultrasonically excite the ultrasonic waveguide.
以及激励装置,所述激励装置在所述阀门构件处于打开位置时可操作以超声地激励所述超声波导器。
2
The filter member includes a filtering part to filter oil, a second orifice to rectify oil flow, and a check valve to permit oil to flow back when braking operation is released.
In accordance with the preferred embodiment, the seal system includes a radial valve body that is disposed within a circular spring energizer, together which are disposed within a boss member.