The rationale for the oil motive
The main gate-controlled oil system, as shown in figure 1, consists mainly of server valves (moog valves), discharge valves, oil motive, oil motors entering the tank into the tank, opening the door, oil motors connected to pressure-back oil, re-entry springs on the top of the door, when oil engine discharges the tank, the door closes the door with the effect of the upper spring's resilience, and oil entry or discharge in the tank is controlled by the server valve
Made, while the server valve accepts the serv card drive telecommunications, controls the intake or discharge of the server valve, suspends the electric magnetic valve (ast magnetic valve) movement when the gate is shut down, discharges the safety oil pressure (ast oil pressure), at which point the discharge valve is opened, the discharge valve is rapidly released through the discharge valve, and the main engine is rapidly closed under the spring response
It's connected to pressure back oil。
The rationale is essentially similar。
Figure 1
2. 2 rationale of the server valve
Figure 2 shows the rationale for the server valve。
The moog j761-003 server valve is a double-nozzle server valve consisting of two-stage hydraulic magnification and mechanical feedback systems。
The first level of hydraulic magnification is a double nozzle and block system; the second level of power amplification is a slide valve system。
When servines receive a direct current instruction signal, the loop will produce electromagnetic force at both ends of the cortex, thus reducing the flow of a nozzle, thereby changing pressure on the side of the slider that connects to the nozzle, driving the slider to the side, opening the eth pressure oil on the scalar, while the other skating valve has the drive to open the oil, the oil is driven into the oil, the car door is opened, the lvdt's output is increased, the deviation of the command and the feedback signal is decreasing, and the opening of the valve drive to the saloon is decreasing, when the exit direction of the saloon is balanced with the spring, the brake is in the middle, the slide valve is in the balance, the oil is in the condition, the engine is stopped at this time, the door position remains unchanged, and the direction of the reverse wire is subject to the current signal, the wheel is moving towards the other side, the valve is closed, the gas is closed, the other is opened, the oil is released, and the other record is the engine is the same。
The electron server valve is mechanically zero-zero, and its main function is to use its mechanical bias to open up slide valve movements when the server valve loses its control signal or the coil is damaged, to connect the oil motive to the refuelling tank, to shut down the gas door and to prevent the break-in of the gas door from causing the crew to speeding。
