Liquid measure ejector and spraying control method thereof
A liquid metering and injector technology, applied in fuel injection control, electrical control, engine control, etc., can solve the problems of increasing the mass of aircraft and reducing the thrust-to-weight ratio of the aircraft, and achieve precise control of injection volume, light weight, and cost reduction. Effect
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[0041] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0042] The present invention provides a liquid metering injector, such as figure 1 As shown, it includes housing 1, limit disc 2, piston 3, solenoid 4, spring seat 5, bias spring 6, one-way loading valve 7, conical spring 8, pump oil diaphragm 9 and injection channel 10 .
[0043] There is a high-pressure oil chamber 101 on the top of the housing 1, and a piston chamber 102 on the bottom. There are also a limiting chamber 103, a solenoid placement chamber 104, and a low-pressure oil chamber 105 inside the housing 1; the limiting chamber 103 is located in the piston chamber. The lower part of 102 is in communication with the piston chamber 102, and the limiting disc 2 is arranged in the limiting chamber 103. The piston 3 is located in the piston chamber 102 and is connected with the limiting disc 2. The top of the piston 3 extends into the high-pressure oil ...
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