Reverse venturi atomization chamber and the use thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B64D-001/18
B64D-001/00
출원번호
US-0730314
(2003-12-04)
발명자
/ 주소
Stocker,Russell
출원인 / 주소
Stocker,Russell
인용정보
피인용 횟수 :
1인용 특허 :
3
초록▼
An atomization chamber apparatus used for aircraft pesticide delivery, which has an open ended walled chamber, divided into left and right sections, each having outer and inner segments, each segment having a top and a bottom wall, the outer segments having a same radius concave upper wall and a con
An atomization chamber apparatus used for aircraft pesticide delivery, which has an open ended walled chamber, divided into left and right sections, each having outer and inner segments, each segment having a top and a bottom wall, the outer segments having a same radius concave upper wall and a convex lower wall, while the inner segments have a same radius convex radius upper wall and a concave lower wall. A nozzle injector connectable to a fluid pesticide source is laterally disposed in an inner segment. The nozzle is chosen such that exiting pesticide will not impact the chamber walls, and the radii of the segments are chosen such that the speed of pesticide atomization by the incoming air is slowed down to reduce fines upon pesticide impact, and the speed of the pesticide air mixture on exiting the chamber is increased to substantially match the airspeed of the aircraft.
대표청구항▼
I claim: 1. A reverse atomization chamber apparatus used for attachment to aircraft for the delivery of pesticides to a target area with the desire to reduce fines output during atomization, which apparatus comprises: a reverse venturi chamber open at each end, said chamber being divided into two s
I claim: 1. A reverse atomization chamber apparatus used for attachment to aircraft for the delivery of pesticides to a target area with the desire to reduce fines output during atomization, which apparatus comprises: a reverse venturi chamber open at each end, said chamber being divided into two sections, a left section and a right section, each section having two outer and inner segments, each of which segments has a top wall and bottom wall, the outer segments having the same radius concave radius upper wall and convex radius lower wall; while the inner segments have a same radius convex radius upper wall and a concave radius lower wall; a nozzle injector having a nozzle thereon disposed on one side in the inner segment, said injector being adapted for connection to a fluid source of pesticide, said nozzle being chosen such that exiting pesticide will not impact the walls of said chamber; and wherein the radii of the segments of the chamber are chosen such that the speed of atomization of the fluid pesticide by the incoming air is slowed down to reduce fines upon impact with the pesticide, and the speed of the pesticide air mixture on exiting the chamber is increased to substantially match the airspeed of the aircraft. 2. The reverse venturi atomization chamber apparatus of claim 1 wherein the nozzle injector is vertically disposed. 3. The reverse venturi atomization chamber apparatus of claim 1 wherein the nozzle injector is horizontally disposed. 4. The reverse venturi atomization chamber apparatus of claim 1 wherein the speed of impact of the incoming air with the pesticide is within the range of 40 mph to 80 mph. 5. The reverse venturi atomization chamber apparatus of claim 1 wherein the radii chosen for the chamber are chosen based on an airspeed of 100 mph for the plane and a desired impact speed of incoming air with the pesticide of about 50 mph. 6. The reverse venturi atomization chamber apparatus of claim 1 used for attachment to aircraft for the delivery of pesticides to a target area with the desire to reduce fines output during atomization wherein for both the left and right sections of the chamber, the outer segments have the same radius concave radius upper wall convex radius lower wall, while the inner segments have a same radius convex radius upper wall 1 and a concave radius lower wall, and the spacing between the outer segment upper and lower walls, and at spacing between the inner segment upper and lower walls of both sections of the apparatus are the same. 7. The reverse venturi atomization chamber apparatus of claim 1 wherein used for attachment to aircraft for the delivery of pesticides to a target area with the desire to reduce fines output during atomization wherein for both the left and right sections of the chamber, the outer segments have the same radius concave radius upper wall convex radius lower wall, while the inner segments have a same radius convex radius upper wall and a concave radius lower wall, and the spacing between the upper and lower walls, and at a finite lateral point, between the outer segment of one section is greater than the spacing between the upper and lower walls between the outer segment at the same finite point on the other section. 8. A reverse atomization chamber apparatus used for attachment to aircraft for the delivery of pesticides to a target area with the desire to reduce fines output during atomization, which apparatus comprises: a venturi chamber open at each end, said chamber being divided into two sections, a left section and a right section, each section having two outer and inner segments, each of which segments has a top wall and bottom wall, the outer segments having the same radius concave radius upper wall and convex radius lower wall; while the inner segments have a same radius convex radius upper wall and a concave radius lower wall; and one of said section having an upper midport and a lower midport, said midports being in the section having a greater spacing between upper and lower walls between the outer segment at the same lateral finite point as on the other section; a nozzle injector having a nozzle thereon disposed on one side in the inner segment, said injector being adapted for connection to a fluid source of pesticide, said nozzle being chosen such that exiting pesticide will not impact the walls of said chamber; and wherein the radii of the segments of the chamber are chosen such that the speed of atomization of the fluid pesticide by the incoming air is slowed down to reduce fines upon impact with the pesticide, and the speed of the pesticide air mixture on exiting the chamber is increased to substantially match the airspeed of the aircraft. 9. The reverse venturi atomization chamber apparatus of claim 8 wherein the injector in the section having the midports. 10. The reverse venturi atomization chamber apparatus of claim 8 wherein the injector in the section lacking the midports. 11. The reverse venturi atomization chamber apparatus of claim 8 wherein the nozzle injector is vertically disposed. 12. The reverse venturi atomization chamber apparatus of claim 8 wherein the nozzle injector is horizontally disposed. 13. The reverse venturi atomization chamber apparatus of claim 8 wherein the speed of impact of the incoming air with the pesticide is within the range of 40 mph to 80 mph. 14. The reverse venturi atomization chamber apparatus of claim 8 wherein the radii chosen for the chamber are chosen based on an airspeed of 100 mph for the plane and a desired impact speed of incoming air with the pesticide of about 50 mph. 15. The reverse venturi atomization chamber apparatus of claim 8 wherein the radii chosen for the chamber are chosen based on an airspeed of 180 mph for the plane and a desired impact speed of incoming air with the pesticide of about 90 mph. 16. The reverse venturi atomization chamber apparatus of claim 1 wherein the radii chosen for the chamber are chosen based on an airspeed of 180 mph for the plane and a desired impact speed of incoming air with the pesticide of about 90 mph. 17. A reverse atomization chamber apparatus used for attachment to aircraft for the delivery of pesticides to a target area with the desire to reduce fines output during atomization, which apparatus comprises: a venturi chamber open at each end, said chamber being divided into two sections, a left section and a right section, each section having two outer and inner segments, each of which segments has a top wall and bottom wall, the outer segments having the same radius concave radius upper wall and convex radius lower wall; while the inner segments have a same radius convex radius upper wall and a concave radius lower wall; and one of said section having an upper midport and a lower midport, said midports being in the section having a greater spacing between upper and lower walls between the outer segment at the same lateral finite point as on the other section; a nozzle injector having a fan shaped nozzle thereon disposed on one side in the inner segment of the section having the upper and lower midports, said injector being adapted for connection to a fluid source of pesticide, said nozzle being chosen such that exiting pesticide will not impact the walls of said chamber; and wherein the radii of the segments of the chamber are chosen such that the speed of atomization of the fluid pesticide by the incoming air is slowed down to reduce fines upon impact with the pesticide, and the speed of the pesticide air mixture on exiting the chamber is increased to substantially match the airspeed of the aircraft. 18. The reverse venturi atomization chamber apparatus of claim 17 wherein the radii chosen for the chamber are chosen based on an airspeed of 180 mph for the plane and a desired impact speed of incoming air with the pesticide of about 90 mph. 19. The reverse venturi atomization chamber apparatus of claim 17 wherein the fluid is injection at a 0-degree angle to the airflow. 20. A reverse atomization chamber apparatus used for attachment to aircraft for the delivery of pesticides to a target area with the desire to reduce fines output during atomization, which apparatus comprises: an open ended, flat side walled chamber, divided into left and right sections, each having outer and inner segments, each segment having a top and bottom wall, the outer segments having a same radius concave radius upper wall and a convex radius lower wall, while the inner segments have a same radius convex radius upper wall and a concave radius lower wall; and a nozzle injector connected to a fluid pesticide source, disposed in one of said inner segments. 21. A reverse atomization chamber apparatus of claim 20 wherein one of said sections is of a greater elevation than the other of said sections, the larger section including upper and lower midports.
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이 특허에 인용된 특허 (3)
Yates Wesley E. (Davis CA) Cowden Robert E. (Davis CA) Akesson Norman B. (Davis CA) Horgan Paul M. (Woodland CA), Laminar microjet atomizer and method of aerial spraying of liquids.
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