Drip irrigation tubing surface discontinuity drip emitter flow d

Details Drip irrigation tubing surface discontinuity drip emitter flow d Drip irrigation tubing surface discontinuity drip emitter flow d

1997-05-20

1999-03-09

Weldon, Kevin

Fluid sprinkling, spraying, and diffusing

Conduit or nozzle attached irrigation-type decelerator

B05B 1500

Patent

active

058789634

ABSTRACT:
A discontinuity at the surface of tubing which intercepts a stream of fluid flowing along the surface of the tubing causing the fluid to form drops and causing the drops to fall at an intended location. The invention addresses in particular the installation of drip irrigation systems in hillside applications where drip irrigation tubing may not be level. Heating and cooling of the drip irrigation tubing causes the tubing and drip emitters to rotate. The water from the emitter which is rotated to face away from the area where irrigation drip is to be applied emerges as a stream and flows along the surface of the drip irrigation tubing until it encounters a slope which causes a drop to form. The failure of the water to form drops and fall at the position of the drip emitter and rather to flow along the tubing results in a loss of irrigation to the particular plant serviced by an emitter. Plants are thus subject to stress and reduced production. The formation within the tubing surface, of a discontinuity where the slope increases causing formation of drops, or the placement of a plastic disk having an aperture around the tubing forming a discontinuity serves to control the unwanted stream and permits direction of the drip irrigation to the desired location.

REFERENCES:
patent: 2291148 (1942-07-01), Carson
patent: 3618176 (1971-11-01), Barnes
patent: 5178079 (1993-01-01), Hostetler

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