Fluid sprinkling – spraying – and diffusing – Flow deflecting or rotation controlling means – Deflector and terminal flow element
Reexamination Certificate
2006-10-24
2006-10-24
Kim, Christopher (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Flow deflecting or rotation controlling means
Deflector and terminal flow element
C239S533140, C239S546000
Reexamination Certificate
active
07124964
ABSTRACT:
A flexible, self-adjusting flow nozzle is provided, optimally configured for agricultural uses. The nozzle flexes automatically in response to changes in fluid pressure, thereby maintaining an optimal droplet size and spray area for a variety of flow rates. The self-adjusting characteristic of the nozzle allows for the creation of a fully or semi-automatic spray system. The fully automatic system uses a GPS receiver to compare actual geographic data against a predetermined flow plan for automatically making adjustments to flow rate in order to accommodate both speed changes and varying crop needs. The semi-automatic system uses a manually controlled flow rate but utilizes the self-adjusting capabilities of the spray nozzle.
REFERENCES:
patent: 3214102 (1965-10-01), Meyer
patent: 3612409 (1971-10-01), Henning
patent: 3711020 (1973-01-01), Zelna
patent: 3990640 (1976-11-01), Laauwe
patent: 4618101 (1986-10-01), Piggott
patent: 5134961 (1992-08-01), Giles et al.
patent: 5908161 (1999-06-01), Womac et al.
patent: 6126088 (2000-10-01), Wilger et al.
Kim Christopher
Oppenheimer Wolff & Donnelly LLP
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