Principles Of Operation; Main Components - Vector Fog VECTORFOG H500 Instruction Manual

Thermal fogger

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VectorFog™ Thermal Foggers are powered using the pulse jet principle. Pulse jet engines don't have any moving

parts; instead they have a funnel shaped combustion chamber similar to a rocket engine which opens into a long

resonator or exhaust pipe. VectorFog thermal foggers have an auto start and operate through compressed air via a

compressor. When the auto start button is pressed, the compressed air pressurizes the fuel tank, causing fuel to flow

to the injector and then into the carburettor. Air/fuel mixture is then ignited by a spark plug in the carburettor. The

spark is created by an ignition coil which is powered by the vehicles battery. The ignition coil, battery and

compressor are all housed inside of the main body of the machine. Operating at its optimum performance,

combustion and injection is repeated with a frequency of around 200-250 cycles per second. Once the machine

starts, the chemical tank also becomes pressurized by means of a non-return valve. A close valve and supply valve

are then opened to allow the flow of the chemical/oil solution in to the resonator. At this stage the solution is

heated up to around 1,400º C and dispersed into millions of tiny droplets (around 10-30 microns in size) creating a

dense and visible smoke.

1. Air supply tube to carburettor

2. Air compressor

3. Fuel solenoid valve

4. Fuel cap

PRINCIPLES OF OPERATION

FIG. 1

5. Relay

6. Fuel tank

7. Air valve

8. Air outflow to chemical tank

9. Chemical inflow from tank

10. Chemical tube

11. Electronic flow control

12. Chemical flow regulator

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