Patent US3147710A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3147710A Expired / Lapsed US ⏱️ 0.0 years remaining

Ignition system for solid propellants

Assignee: Ethyl Corp
•
Filing: 1961-02-27
•
Granted: 1964-09-08
•
Expires: 1981-02-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Martin E Gluckstein

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 09:17
CPC Classifications
C; C06; C06C; C06C9/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 185 words
THE METHOD OF IGNITING A SOLID PROPELLANT SOLELY BY THE ENERGY LIBERATED BY ONE PRIOR CHEMICAL REACTION BETWEEN A STRONG REDUCING FLUID AND AN OXIDIZING MATERIAL, SAID STRONG REDUCING FLUID BEING SELECTED FROM THE CLASS CONSISTING OF ALKYL DIBORINE, ALKYL BORINE AMINES, ALKYL TRIBORINE TRIAMINES, HYDRAZNE, AND THE ALKYL, ALKYL HALIDE AND ALKYL HYDRIDE COMPOUNDS OF ALUMINUM, BORON AND ZINC, AND SAID OXIDIZING MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF CHLORATES, PERCHLORATES, PERMANGANATES, ORGANIC AND INORGANIC NITRATES, CHROMATES, DICHROMATES, PERACIDS, ORGANIC OXIDIZING AGENTS AND MIXTURES THEREOF, SAID OXIDIZING MATERIAL BEING PRESENT AS A LAYER COATING THE SURFACE OF SOLID PROPELLANT, SAID COATING RANGING IN THICKNESS FRM 0.001 TO 0.1 INCH, SAID METHOD COMPRISING INTRODUCING SAID STRONG REDUCING FLUID INTO A COMBUSTION CHAMBER CONTAINING SAID COATED PROPELLANT SO THAT SAID STRONG REDUCING FLUID CONTACTS AND SPONTANEOUSLY REACTS WITH SAID OXIDIZING MATERIAL, THEREBY LIBERATING AND TRANSFERRING TO SAID SOLID PROPELLANT SUFFICIENT ENERGY TO CAUSE IT TO IGNITE, SAID STRONG REDUCING FLUID AND SAID OXIDIZING MATERIAL BEING THE ONLY CHEMICALS AVAILABLE FOR REACTION WITH EACH OTHER IN SAID COMBUSTION CHAMBER PRIOR TO IGNITION OF SAID SOLID PROPELLANT.
Claim 2
Independent Claim 185 words
THE METHOD OF IGNITING A SOLID PROPELLANT SOLELY BY THE ENERGY LIBERATED BY ONE PRIOR CHEMICAL REACTION BETWEEN A STRONG REDUCING FLUID AND AN OXIDIZING MATERIAL, SAID STRONG REDUCING FLUID BEING SELECTED FROM THE CLASS CONSISTING OF ALKYL DIBORINE, ALKYL BORINE AMINES, ALKYL TRIBORINE TRIAMINES, HYDRAZNE, AND THE ALKYL, ALKYL HALIDE AND ALKYL HYDRIDE COMPOUNDS OF ALUMINUM, BORON AND ZINC, AND SAID OXIDIZING MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF CHLORATES, PERCHLORATES, PERMANGANATES, ORGANIC AND INORGANIC NITRATES, CHROMATES, DICHROMATES, PERACIDS, ORGANIC OXIDIZING AGENTS AND MIXTURES THEREOF, SAID OXIDIZING MATERIAL BEING PRESENT AS A LAYER COATING THE SURFACE OF SOLID PROPELLANT, SAID COATING RANGING IN THICKNESS FRM 0.001 TO 0.1 INCH, SAID METHOD COMPRISING INTRODUCING SAID STRONG REDUCING FLUID INTO A COMBUSTION CHAMBER CONTAINING SAID COATED PROPELLANT SO THAT SAID STRONG REDUCING FLUID CONTACTS AND SPONTANEOUSLY REACTS WITH SAID OXIDIZING MATERIAL, THEREBY LIBERATING AND TRANSFERRING TO SAID SOLID PROPELLANT SUFFICIENT ENERGY TO CAUSE IT TO IGNITE, SAID STRONG REDUCING FLUID AND SAID OXIDIZING MATERIAL BEING THE ONLY CHEMICALS AVAILABLE FOR REACTION WITH EACH OTHER IN SAID COMBUSTION CHAMBER PRIOR TO IGNITION OF SAID SOLID PROPELLANT.

References Cited (Backward Citations)

US2974484A Cited
US3028810A Cited
US3032449A Cited
US2933381A Cited
US2944881A Cited
US2959001A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-09-08 1968-03-09 1968-09-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-09-08 1972-03-09 1972-09-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-09-08 1976-03-09 1976-09-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag