Counterpulse railgun energy recovery circuit

Title: Counterpulse railgun energy recovery circuit

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Abstract

The invention presented relates to a high-power pulsing circuit and more particularly to a repetitive pulse inductive energy storage and transfer circuit for an electromagnetic launcher. In an electromagnetic launcher such as a railgun for propelling a projectile at high velocity, a counterpulse energy recovery circuit is employed to transfer stored inductive energy from a source inductor to the railgun inductance to propel the projectile down the railgun. Switching circuitry and an energy transfer capacitor are used to switch the energy back to the source inductor in readiness for a repetitive projectile propelling cycle.

Inventors:: Honig, E.M.

Issue Date:: 1984-09-28

Research Org.:: Los Alamos National Lab., NM (USA)

OSTI Identifier:: 5687208

Application Number:: ON: DE85011603

Assignee:: Dept of Energy EDB-85-115152

DOE Contract Number:: W-7405-ENG-36

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 42 ENGINEERING; 25 ENERGY STORAGE; MAGNETIC ENERGY STORAGE; INDUCTION; RAILGUN ACCELERATORS; SWITCHING CIRCUITS; ENERGY RECOVERY; HIGH-VOLTAGE PULSE GENERATORS; INVENTIONS; PULSE CIRCUITS; ACCELERATORS; ELECTRONIC CIRCUITS; ELECTRONIC EQUIPMENT; ENERGY STORAGE; EQUIPMENT; FUNCTION GENERATORS; PULSE GENERATORS; RECOVERY; STORAGE; 420800* - Engineering- Electronic Circuits & Devices- (-1989); 250100 - Energy Storage- Magnetic

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                    Honig, E.M. Counterpulse railgun energy recovery circuit.  United States: N. p., 1984. 
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                    Honig, E.M. Counterpulse railgun energy recovery circuit.  United States.

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                    Honig, E.M. Fri .  
        "Counterpulse railgun energy recovery circuit".  United States.

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@article{osti_5687208,

  title        = {Counterpulse railgun energy recovery circuit},

  author       = {Honig, E.M.},

  abstractNote = {The invention presented relates to a high-power pulsing circuit and more particularly to a repetitive pulse inductive energy storage and transfer circuit for an electromagnetic launcher. In an electromagnetic launcher such as a railgun for propelling a projectile at high velocity, a counterpulse energy recovery circuit is employed to transfer stored inductive energy from a source inductor to the railgun inductance to propel the projectile down the railgun. Switching circuitry and an energy transfer capacitor are used to switch the energy back to the source inductor in readiness for a repetitive projectile propelling cycle.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1984},

  month        = {9}

}

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Counterpulse railgun energy recovery circuit

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This patent describes a counterpulse railgun energy recovery circuit for propelling a projectile along a railgun the counterpulse railgun energy recovery circuit consists of: a railgun having an effective inductance; a source inductor initially charged to an initial current; current means for initially charging the source inductor to the initial current; first current-zero type switching means; second current-zero type switching; third current-zero type switching; muzzle current-zero type switching means; transfer capacitor, the transfer capacitor is for cooperating with the first, second, third, and muzzle current-zero type switching means for providing a resonant circuit for transferring current from the source inductormore »« less
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This patent describes an overpulse railgun energy recovery circuit for propelling a projectile along a railgun. The overpulse rail gun energy recovery circuit comprising: a railgun having an effective inductance, the railgun having a breach end, a pair of parallel rails, and a muzzle end; source inductor for storing current connected across the pair of parallel rails of the railgun at the breech end thereof; means for initially charging the source inductor to an initial current for storage; switching means connected across the source inductor with a closed position for shorting across the source inductor and an open position formore »« less
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In an electromagnetic launcher such as a railgun for propelling a projectile at high velocity, an overpulse energy recovery circuit is employed to transfer stored inductive energy from a source inductor to the railgun inductance to propel the projectile down the railgun. Switching circuitry and an energy transfer capacitor are used to switch the energy back to the source inductor in readiness for a repetitive projectile propelling cycle.
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