Self-reset leak-proof air ejection system
An automatic reset, leak-proof technology, applied in jet pumps, machines/engines, non-displacement pumps, etc., can solve the problems of limited application range, short service life, slow suction speed, etc., and achieve long service life and basic structure. Simple, well-structured effect
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[0021] The structure of the present invention before vacuumizing is referring to figure 1 , an automatic reset leak-proof air injection system, including an air intake pipe 1 that can pass through compressed gas, an exhaust pipe 4 that communicates with the outside world, a hollow substrate 3 that is connected between the air intake pipe 1 and the exhaust pipe 4, and is arranged on the substrate 3, the negative pressure device and automatic reset device and the air-inducing device arranged under the base 3; wherein: the negative pressure device includes the nozzle 2 arranged in the base near the end of the intake pipe 1, and the nozzle 2 arranged in the base 3 near the exhaust pipe 4 The diffuser 6 at one end, the pressure chamber 12 arranged between the nozzle 2 and the inlet pipe 1, the inlet pipe 1, the pressure chamber 12, the nozzle 2, the diffuser 6 and the exhaust pipe 4 are sequentially connected to form the injection gas channel The inner diameter of the nozzle pipe 2...
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