Aeronautics and astronautics – Aircraft structure – Material discharging and diffusing
Reexamination Certificate
2006-02-28
2006-02-28
Poon, Peter M. (Department: 3643)
Aeronautics and astronautics
Aircraft structure
Material discharging and diffusing
C239S171000
Reexamination Certificate
active
07004431
ABSTRACT:
An aircraft attached apparatus/method for spraying pesticides having two propeller shafts attached to the aircraft. Each shaft has a full feathering propeller mounted at the forward ends of the propeller shaft and a control cable extending to the cockpit. High pressure pumps, typically piston pumps, are mounted on the aft ends of each of the propeller shafts. The input side of the pumps are connected to a tank, and the output side is connected to respective matrix spray boom assemblies. The forward ends of each of the spray boom assemblies are connected to the output side of each respective pump. Spray nozzles, typically impingement nozzles, are attached to each of the aft ends of each spray boom. The high pressure pumps have an electrically operated magnetic brake attached thereto, and each of the spray boom assemblies have a pressure transmitter connected to a digital display in said aircraft.
REFERENCES:
patent: 2537251 (1951-01-01), Wilson
patent: 2665092 (1954-01-01), Sands
patent: 3463424 (1969-08-01), Pickell
patent: 2001/0019090 (2001-09-01), Horev
Aeromister, LLC
Collins T D.
LaPointe Dennis G.
Poon Peter M.
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