Planting – Liquid or gas soil treatment – Injector nozzle situated above soil surface
Patent
1994-10-17
1997-02-25
Melius, Terry Lee
Planting
Liquid or gas soil treatment
Injector nozzle situated above soil surface
111 74, 111120, 111901, 111903, 36442407, A01C 2300
Patent
active
056051050
ABSTRACT:
In order to place dry granular materials into the subsurface of the soil without mechanical tillage, minute charges of the material are carried by high pressure jets of liquid, such as water, down into the ground from a series of side-by-side nozzles that simultaneously fire the jets toward the ground at regular intervals as the nozzles advance along a path of travel. Instead of passing through the water pump and the sensitive jet-producing nozzles, the granular materials remain separated from the water until the jets have issued from their nozzles and are passing through a ceramic mixing chamber in which a venturi is located. During the short pauses between successive blasts from the nozzles, material is continuously fed into a collecting chamber for each nozzle to form a small charge. As the water blast takes place, the charge is automatically drawn into the venturi and carried out of the machine by the high pressure jet. A metering conveyor continuously delivers material to the collecting chambers at a speed that can be correlated with the speed with which the nozzles are moved along the application path, and the firings of the nozzles are likewise coordinated with the distance traversed by the nozzles along the path so that the concentration of materials applied per unit of area can be very precisely controlled. An onboard computer controls firing of the nozzles in relation to speed, distance and desired application rate, as well as other variables, and an optional embodiment provides a similar degree of control and precision for liquid additive materials.
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Clark Stanley R.
Stelter Mark R.
Batson Victor
Great Plains Manufacturing Incorporated
Melius Terry Lee
LandOfFree
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