Helicopter pressure refueling electric valve
A helicopter and electric valve technology, applied in the aviation field, can solve the problems of high demand for personnel, complex gravity refueling process, affecting combat readiness time, etc., to avoid system overpressure, shorten refueling time, and solve the effects of easy pollution
Pending Publication Date: 2020-08-07
HUBEI HANGDA TECH CO LTD
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Problems solved by technology
[0003] (1) Gravity refueling is usually open-type refueling, and the refueling port is connected to the atmosphere, so it is easy for foreign objects to enter the fuel tank and cause pollution to the fuel;
[0004] (2) Gravity refueling needs to visually check whether the fuel is full, and visual inspection of the liquid level is likely to cause large errors;
[0005] (3) Gravity refueling relies on the fuel's own gravity for refueling, and the refueling speed is slow, which affects the combat readiness time;
[0006] (4) Gravity refueling requires a high number of personnel
[0007] In summary, the gravity refueling process is complex
Method used
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[0042] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings, but they do not constitute a limitation to the present invention, and are only examples. At the same time, the advantages of the present invention are clearer and easier to understand through the description.
[0043] Referring to the accompanying drawings, it can be seen that the helicopter pressure refueling electric valve includes the electric mechanism 1 and the flapper valve 2; the motor drives the flapper valve 2 to open and close, and the whole process is closed during pressure refueling to ensure reliable sealing; at the same time, the oil full signal is an electrical signal output , without visual inspection; the flapper valve 2 includes a flapper valve housing 2.1, a sealing assembly 2.2, a sealing plate 2.3, a rocker arm assembly 2.4 and a cotter pin 2.5;
[0044] One sealing assembly 2.2 is installed on both sides of the gate valve hou...
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The invention discloses a helicopter pressure refueling electric valve which comprises an electric mechanism and a gate valve. The gate valve comprises a gate valve shell, sealing assemblies, a sealing plate, a rocking arm assembly and a cotter. The two sides of the gate valve shell are each provided with one corresponding sealing assembly. The sealing plate is mounted between the two sealing assemblies. The sealing plate and the sealing assemblies form contact type mechanical sealing. The sealing plate is connected with the rocking arm assembly. An output shaft of the electric mechanism is connected with the rocking arm assembly through the cotter. A cover plate is fixed to one end of the gate valve shell through a screw. The helicopter pressure refueling electric valve has the advantagesthat it is guaranteed that the refueling process is sealed and reliable, the refueling time is shortened, and dependency on personnel is reduced.
Description
technical field [0001] The invention relates to the field of aviation technology, more specifically it is a helicopter pressure refueling electric valve. Background technique [0002] Helicopter refueling process is a complex process, and the general refueling method is gravity refueling. The filler port for gravity refueling is on the upper part of the fuel tank, and the oil flows into the fuel tank by gravity when refueling. Gravity refueling has the following problems: [0003] (1) Gravity refueling is usually open-type refueling, and the refueling port is connected to the atmosphere, so it is easy for foreign objects to enter the fuel tank and cause pollution to the fuel; [0004] (2) Gravity refueling needs to visually check whether the fuel is full, and visual inspection of the liquid level is likely to cause large errors; [0005] (3) Gravity refueling relies on the fuel's own gravity for refueling, and the refueling speed is slow, which affects the combat readines...
Claims
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IPC IPC(8): F16K3/02F16K3/314F16K3/30F16K27/04F16K31/04F16K17/02
CPCF16K3/0227F16K3/0254F16K3/0281F16K3/30F16K3/314F16K17/02F16K27/044F16K31/046F16K31/047
Inventor 张月王启龙
Owner HUBEI HANGDA TECH CO LTD