A seam-type air-flow lead-jetting device
A technology of air injection and gas, which is applied in jet pumps, non-displacement pumps, machines/engines, etc. It can solve the problems of difficulty in ensuring the vacuum degree of low-pressure chambers, increased gas consumption of high-pressure gases, and complex device structures, etc., and achieves low cost. , Vacuum ejection flow rate is large, the effect of low air consumption
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[0023] The present invention will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings.
[0024] Embodiment, as shown in Fig. 1, 2, a kind of slit type airflow injection device comprises high-pressure chamber 1, jet chamber 3 and low-pressure chamber 2, and one end of jet chamber 3 communicates with high-pressure chamber 1 through channel 17, and jet chamber 3 The other end of the exhaust port 14 is set, and the high-pressure chamber 1 passes into the jet chamber 3 through the passage 17. The high-pressure gas is passed into the jet chamber 3. The side wall of the jet chamber 3 is provided with a rectangular passage port 18. The rectangular passage port 18 is divided into three-stage rectangular passage ports 181. , 182, 183, the jet chamber 3 communicates with the low-pressure chamber 2 respectively through the three-stage rectangular channel openings 181, 182, 183, and the channel 17 is composed of a rectangular s...
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