Embodiments of the present subject matter provide an improved percussion primer composition and improved hot-wire igniter acceptor, wherein lead styphnate is replaced with a lead-free material, 4,6-dinitro-7-hydroxybenzofuroxan, potassium salt (KDNP). Embodiments of the percussion primer composition
Embodiments of the present subject matter provide an improved percussion primer composition and improved hot-wire igniter acceptor, wherein lead styphnate is replaced with a lead-free material, 4,6-dinitro-7-hydroxybenzofuroxan, potassium salt (KDNP). Embodiments of the percussion primer composition include KDNP, a sensitizer, an oxidizer, calcium silicide, a fuel, and a binder. Embodiments of the hot-wire igniter device include a bridgewire, an acceptor, and an output, where KDNP is the acceptor. Power supply may be in the form of constant current/voltage or current flow from a capacitor discharge. Certain embodiments utilize a variety of output formulations, such as BKNO3, black powder, and Red Dot double base propellant.
대표청구항▼
1. A hot-wire igniter device comprising: a) a bridgewire;b) an acceptor proximate a portion of the bridgewire and comprising KDNP; andc) an output configured to be ignited by the acceptor. 2. The hot-wire igniter device of claim 1, wherein the bridgewire comprises tophet a, tophet c, stainless steel
1. A hot-wire igniter device comprising: a) a bridgewire;b) an acceptor proximate a portion of the bridgewire and comprising KDNP; andc) an output configured to be ignited by the acceptor. 2. The hot-wire igniter device of claim 1, wherein the bridgewire comprises tophet a, tophet c, stainless steel, or nichrome bridgewire materials. 3. The hot-wire igniter device of claim 1, wherein the output comprises an explosive, pyrotechnic, or propellant. 4. The hot-wire igniter device of claim 1, wherein the output comprises BKNO3, black powder, or Red Dot double base propellant. 5. The hot-wire igniter device of claim 1, wherein the KDNP is substituted in place of normal lead styphnate, basic lead styphnate, or zirconium/potassium perchlorate. 6. The hot-wire igniter device of claim 1, wherein the acceptor is free of lead. 7. An acceptor comprising KDNP, wherein the acceptor is configured for use in a hot-wire igniter device. 8. The acceptor of claim 7, wherein the KDNP is substituted in place of normal lead styphnate, basic lead styphnate, or zirconium/potassium perchlorate. 9. The acceptor of claim 7, wherein the acceptor is free of lead. 10. The acceptor of claim 7, wherein the acceptor is configured to ignite an output. 11. The acceptor of claim 10, wherein the output comprises an explosive, pyrotechnic, or propellant. 12. The acceptor of claim 10, wherein the output comprises BKNO3, black powder, or Red Dot double base propellant. 13. A hot-wire igniter device comprising: a) a bridgewire configured to receive power from a power source;b) an acceptor proximate a portion of the bridgewire and comprising KDNP; andc) an output configured to be ignited by the acceptor. 14. The hot-wire igniter device of claim 13, wherein the bridgewire comprises tophet a, tophet c, stainless steel, or nichrome bridgewire materials. 15. The hot-wire igniter device of claim 13, wherein the output comprises an explosive, pyrotechnic, or propellant. 16. The hot-wire igniter device of claim 13, wherein the output comprises BKNO3, black powder, or Red Dot double base propellant. 17. The hot-wire igniter device of claim 13, wherein the KDNP is substituted in place of normal lead styphnate, basic lead styphnate, or zirconium/potassium perchlorate. 18. The hot-wire igniter device of claim 13, wherein the acceptor is free of lead. 19. The hot-wire igniter device of claim 13, wherein the power comprises a constant current or a constant voltage. 20. The hot-wire igniter device of claim 13, wherein the power source is a capacitor discharge.
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이 특허에 인용된 특허 (12)
Norris William P. (Ridgecrest CA), Insensitive high density explosive.
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