Subsurface water/air irrigation system with prevention of...

Details Subsurface water/air irrigation system with prevention of... Subsurface water/air irrigation system with prevention of...

2005-05-10

2005-05-10

Safavi, Michael (Department: 3673)

Hydraulic and earth engineering

Drainage or irrigation

Porous or apertured pipe, flume, or tileway

C405S045000, C405S051000

Reexamination Certificate

active

06890126

ABSTRACT:
An underground irrigation system which supplies beneath the surface of the soil under or near the roots of a growing crop, water infused with micro bubbles of gas (usually air). A mixer/injector injects and mixes gas into water to form a mixed stream that flows from a header into a plurality of branches. The mixed stream emits from the branches. An air bleed releases gas from the system which has separated from the mixed stream.

REFERENCES:
patent: 3797741 (1974-03-01), Spencer
patent: 4123800 (1978-10-01), Mazzei
patent: 4669217 (1987-06-01), Fraze
patent: 5207354 (1993-05-01), Hsu et al.
patent: 5863128 (1999-01-01), Mazzei
patent: 6173526 (2001-01-01), Mazzei

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