Research on the Dynamic Erosion Wear Characteristics of a Nozzle Flapper Pressure Servo Valve Used in Aircraft Brake System

Figure 5

The validation experiment of the NFPSV. (a) The hydraulic system principle diagram of the experiment. (b) The NFPSV used in the experiment. 1, precision oil filter; 2, proportional pressure reducing valve; 3, accumulator; 4, servo valve installation station; 5, brake cavity; 6, check solenoid valve; 7, pressure sensor; 8, precision pressure gauge; 9, gear flowmeter; 10, thermometer.

(a)

(b)