Ordnance – Accelerating
Patent
1988-12-12
1990-05-22
Bentley, Stephen C.
Ordnance
Accelerating
124 3, 310 13, 318135, F41F 102
Patent
active
049267418
ABSTRACT:
A coil launcher having a barrel segmented into sections formed of sets of poly-phase energizable coils which are energized in succession by a power supply comprised of capacitors, with one capacitor coupled to a respective section of coils. A predetermined number of sections of coils disposed at the breech end of the barrel are merged, and the resultant merged section is coupled to a like number of pre-energized capacitors which are connected successively and cumulatively in series to that merged section of coils by way of switch circuits, whereby the number of capacitors connected in series increases over time to increase the level and resonant frequency of energy supplied to that merged section of coils.
REFERENCES:
patent: 2235201 (1941-02-01), Cole
patent: 3435312 (1969-03-01), De Coster
patent: 3611783 (1968-06-01), Mittelmann
patent: 4718322 (1988-01-01), Honig et al.
Zabar et al., "Design and Power Conditioning for the Coil-Gun", SPIE Symp. on Innovative Science & Technology, Los Angeles, CA., Jan. 10-15, 1985.
Thorn et al., "Theory of an Electromagnetic Mass Accelerator for Achieving Hypervelocities," NASA TN D-866, Jun. 1961, pp. 7-11, 23, 26.
"Power Conditioner for a Coil-Gun", Zabar et al., Sixth IEEE Pulsed Power Conference, Jun. 29-Jul. 1, 1987.
Bentley Stephen C.
Polytechnic University
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