Planting – Liquid or gas soil treatment – Injector nozzle situated above soil surface
Patent
1993-03-02
1994-12-06
Reese, Randolph A.
Planting
Liquid or gas soil treatment
Injector nozzle situated above soil surface
111118, 172 21, 451102, A01C 1500
Patent
active
053700694
ABSTRACT:
An apparatus and a method for introducing a particulate matter along with a driving liquid, such as water, into a ground surface. The apparatus is also highly effective for perforating and thereby aerating the ground surface. The particulate matter may preferably adopt the form of a powder like substance often referred to as "polymer" and which is injected into the ground for purposes of acting as a plant food or a plant additive in various agricultural operations. The apparatus utilizes an injector device for mixing the polymer or other particulate matter with the driving liquid, such as water, at a point in close proximity to the ground surface so that there is no pre-mixing of the particulate matter and the driving liquid. The driving liquid is pumped to the injector at a high pressure and introduced into a high pressure chamber of the injector. The liquid is then forced through a very small diameter nipple opening leading to a low-pressure chamber. This will, in turn, cause a venturi effect in the low pressure chamber and which also causes a sucking or introduction of the particulate matter into the low pressure chamber where the particulate matter and the liquid are mixed and then injected directly into a ground surface. The particulate matter is contained within a collapsible bag such that the bag will collapse around the particulate matter as it is periodically withdrawn therefrom.
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Toro brochure, "Hydrojet 3000", 1992.
Injection Aeration Systems
Reese Randolph A.
Schaap Robert J.
Warnick Spencer
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