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Rail Gun

Patent

US6622713

Owner

Thomas Torrizos

Filing Date

February 19, 2002

Priority Date

February 19, 2002

Portfolio

Rail Gun - Torrizos

Intro

This invention relates to a rail gun that discharges rounds at very high velocities by using electromagnetic fields to accelerate the rounds.

Claims

1. A rail gun system comprising: a body member; a firing chamber, having an inlet port and a discharge port, attached to the body member; a pair of ge...
  1. A rail gun system comprising: a body member; a firing chamber, having an inlet port and a discharge port, attached to the body member; a pair of generally coextensive rails extending along a length of the firing chamber attached to the firing chamber in spaced-apart fashion; a plurality of wires, each wiring passing through a respective one of the rails; at least one toroid magnet encompassing a first portion of the outer periphery of the rails; a solenoid magnet encompassing a second portion of the outer periphery of the rails, disposed between the toroid magnet and the discharge port; an electrical source electrically coupled to the wires, the toroid magnet and the solenoid magnet; and a trigger for selectively establishing electrical communication between the source of electricity and the wires, the toroid magnet and the solenoid magnet.
  2. The rail gun as in claim 1 wherein the wires are made from copper.
  3. The rail gun as in claim 1 wherein the electrical source comprises a battery.
  4. The rail gun as in claim 3 wherein the battery is rechargeable.
  5. The rail gun as in claim 1 wherein the electrical source comprises a lithium ion battery.
  6. The rail gun as in claim 1 wherein the rails are each made from a permanent magnet.
  7. The rail gun as in claim 1 wherein the rails are each made from NdFeB.
  8. The rail gun as in claim 1 wherein the toroid magnet is made from a permanent magnet.
  9. The rail gun as in claim 1 wherein the toroid magnet is made from NdFeB.
  10. The rail gun as in claim 1 wherein the solenoid magnet is made from a permanent magnet.
  11. The rail gun as in claim 1 wherein the solenoid magnet is made from NdFeB.
  12. The rail gun as in claim 1 in combination with a round wherein the round is placed into the inlet port and is accelerated by the rails, the toroid magnet and the solenoid magnet and is thereafter discharged through the discharge port.
  13. The rail gun as in claim 12 wherein the round is made from aluminum.
  14. The rail gun as in claim 13 further comprising C-4 explosive disposed within the round.
  15. The rail gun as in claim 12 further comprising C-4 explosive disposed within the round.
  16. The rail gun as in claim 12 further comprising a loading mechanism for loading a round into the firing chamber through the inlet port whenever the round within the firing chamber is discharged.
  17. The rail gun as in claim 16 wherein the loading mechanism discontinues electrical communication between the electrical source and the rails, the toroid magnet and the solenoid magnet as the loading mechanism loads the round into the firing chamber, requiring articulation of the trigger to reestablish the electrical communication. 
  18. The rail gun as in claim 1 further comprising a sight scope attached to the body member. 
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Abstract

A rail gun uses magnetic forces to accelerate a round held within the firing chamber of the gun. A pair of rails extend along a length of the firing c...
A rail gun uses magnetic forces to accelerate a round held within the firing chamber of the gun. A pair of rails extend along a length of the firing chamber and each has at least one wire passing therethrough. At least one toroid magnet encompasses the rails as does a solenoid magnet. The wires within the rails, the toroid magnet and the solenoid magnet are each electrically coupled to an electrical source with electrical communication established by a trigger. A magnetically sensitive round held within the firing chamber is initially accelerated by the rails, then further accelerated by the toroid magnet and then further accelerated by the solenoid magnet prior to being discharged from the firing chamber.
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Matei
September 07, 2018

While the name brings one back to the iconic weapons of classic shooters such as „Doom" and „Quake", in which the rail gun had a „one shot, one kill" effect, it will be interesting to see whether this technology will actually see use in the field. The only practical attempts to put an electromagnetic rail gun into use (admittedly on the much larger naval scale*) have failed partially because of problems mentioned in the patent. These are mainly the large amount of electrical energy required to fire the gun, and a tendency to fail when subjected to rough environmental factors. The patent directly addresses difficulties such as resource management, the complexity of the weapon, and the risk of failure during use in the field. It tries to solve these problems by a relatively simple weapon design, so that unexpected failure can be minimized, and economic usage of electrical energy, which consequently requires a much smaller battery to be carried by the user. While promising in theory, there is further proof of concept needed to showcase its superiority over conventional firing systems. Classic assault rifles have proven themselves to be reliable in the field. Introducing a new, possibly failure-prone technology as standard equipment is a risk not many armed forces would be willing to take. It is also questionable how cost effective the mass production of such a weapon would be. Unless only reserved for the next generation of highly specialized super soldiers, it unfortunately appears that the electromagnetic railgun won’t surpass conventional weaponry in reliability and cost effectiveness. *https://www.naval-technology.com/comment/railgun-potentially-cancelled-went-wrong-us-superweapon/
Companies: Military, Police, Security

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Bastian September 07, 2018

Thank you for the great insights, Matei!


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