1. Field of the Invention
This invention is about the art, science and technology of smoke screening. Smoke screen three “areas of release” are AIR, LAND and SEA. The “three areas of importance” of smoke screening tactics are at SEA, perhaps LAND use and surely AIR being last. This is my personal opinion for today's U.S. Military need for smoke screening during conflicts.
Description of the Related Art
Smoke screen development was tried for over 2,000 years by the greatest armies: the Romans, Vikings, Germans, British, Americans and others. It was a World War II invention that made a smoke screen a meaningful component in military planning. One of the earliest recorded uses of smoke screen in combat was the burning of green vegetation by the Romans. In all early smoke screen attempts the method employed was direct flame contact with combustible materials; these combustion methods were mostly uncontrollable.
An important improvement during World War I was the smudge pot that allowed the burning of oil by contact with a heated metal plate; this avoided direct flame contact. It was more controllable and it produced a much thicker smoke. However, large amounts of oil were required to make the amount of smoke needed. During World War II the Alonzo Patterson system was developed, and military strategy was forever changed by the numerous offensive and defensive advantages created by the first ever effective large area smoke screen; there have never been any complaints from the troops about health problems when using the Patterson smoke screen system.
Smoke screens were used extensively during the Vietnam War. In wars since the Vietnam War there have been several military disasters—totally or partially—for not using smoke screens. There is no training in the use of smoke screening in any of today's U.S. Military Forces, at least to my knowledge. However, some of the Marines' assault amphibious vehicles (AAV7s), has an engine-generating smoke screen capability; they never use them for smoke screening.
This invention will eliminate leaking tanks, plugged up exhaust nozzles, loose control values, inaccurate pressure gauges and regulators found in earlier and present smoke screening systems. No high-pressure containers are required. No massive and bulky structures are needed. This invention is effective and relatively economical.
The four “basic methods of smoke production” for screening: (a) burning phosphorus in air; (b) burning pyrotechnic compositions; (c) vaporization and re-condensation of oils; and (d) dispersion of reactive liquids. In warfare screening smokes have three major functions: blinding, covering and deception. Smoke screening compositions have remained basically unchanged since World War II. However, methods of delivery have been improved to keep up with the rapid rise in the technology of modern weapons; at least up to the end of the Vietnam War.
First, there is PHOSPHORUS SMOKES (WHITE), the mostly used and effective screening smokes formed by burning elemental phosphorous in air. Phosphorous smoke clouds are very efficient. Phosphorous smokes can be delivered from mortar rounds, rockets, grenades and artillery projectiles.
Second, the aerosols formed by burning PYROTECHNIC COMPOSITIONS generally are composed of hydrated chloride salts. These mixtures are also found in smoke pots and grenades.
Third, OIL SMOKES (BLACK) are used when large areas must be screened for long periods of time. In general they are much less expensive than other methods. Oil smokes are produced by spraying diesel oil on the exhaust manifold of a vehicle and allowing the exhaust gas pressure to push the cloud from the vehicle or by using fog oil, a specially produced smoke oil, with mechanical smoke generators.
During World War II, the U.S. and its Allies used simultaneous operation of many fog oil generators to screen several square miles of port areas, staging zones and terrain from air observation. Farmers have used oil smoke for many years to prevent their fruit trees and other crops from freezing.
Fourth, there are the REACTIVE LIQUID SMOKES. The most common reactive smokes are chlorosulfonic acid that produces sulfuric acid smoke. Reactive liquids are highly corrosive and dangerous; they are no longer used by the Military.
This system 10 comprises 5 major sections: (1) AIR UNIT; (2) MIXING CONTAINER; (3) HOLDING COMPARTMENT; (4) EXHAUST EQUIPMENT; and (5) CONTROL PANEL ASSEMBLY. The sections can be separated, cleaned and stored.
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Any number of fans, motors or buckets can be used, 1 to 10. The buckets can have any shape such as cylindrical, cubical or trapezoidal.
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The control panel 92 should be designed to control each bucket 44A or 44B, each fan 24A or 24B and the heater 60, separately and manually. For emergency—fast acting—one switch would automatically activate a fast sequence of: (1) very high temperature from the heater 60, (2) a pouring of a bucket 44A or 44B or both, and (3) both fans 24A and 24B on a moderate speed. The air flow A should be just fast enough to blow the smoke out but not too fast as that could cause the temperature of the heater 60 to be lowered too much. A servo motor 42A or 42B should be able to turn a bucket 44A or 44B respectively, into several positions between upright and maximum pouring and back.
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A suggested method would be to add pepper spray to the smoke making composition. It would greatly annoy an adversary without killing them. This portable smoke screen delivery system 10, I feel, would be excellent for ships that has high speeds (30 plus knots), but has light armor and/or light arms; a ship such as the Joint-High-Speed-Vessel (JHSV). A smoke screen would be a big help against a “swarm attack” of many small hostile boats as well. In addition it has the potential to be a helper in controlling unruly crowds.
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Either phosphorus—heat—air (white smoke) or oil combustion (black smoke) for generating a smoke screen can be made with this delivery system 10. White smoke is preferred over black smoke; it is a much more opaque protective screen. However, either smoke screen is good when your adversaries are close by. This smoke screen delivery system 10 is a great improvement over the past ones.
However, precautions still have to be observed:
Advantages of the present invention are the elimination of complicated operational instructions, low maintenance for the equipment, safer to operate, fast generation of a smoke screen, good effectiveness of the smoke screen and the portability of the system. No new technology is needed for this smoke screen delivery system.