A Karman vortex-shaped flow channel and drip irrigation emitter
A technology of Karman vortex street and sprinkler, which is applied in watering devices, gardening, botanical equipment and methods, etc., can solve single problems, and achieve the effects of good flow uniformity, large flow cross section, and strong water flow turbulence
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[0026] Below in conjunction with accompanying drawing and embodiment the present invention is further described:
[0027] see figure 1 , a Karman vortex-shaped flow channel of the present invention is composed of two or more Karman vortex-shaped flow channel units; each Karman vortex-shaped flow channel unit includes an upper arc cylindrical channel 7, a first lower Semi-arc cylinder passage 12 and the second lower half-arc cylinder passage 13, the first lower half-arc cylinder passage 12 and the second lower half-arc cylinder passage 13 of the last Karman vortex-shaped runner unit Connected, the second lower half-arc cylinder passage 13 communicates with the first lower half-arc cylinder passage 12 of the next Karman vortex flow channel unit, and the two ends of the upper arc cylinder passage 7 pass through the cylinder respectively The body passage 6 communicates with the first lower semi-arc cylindrical passage 12 and the second lower half-arc cylindrical passage 13, and t...
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