Low temperature gas generator propellant
First Claim
1. A PYROTECHNIC COMPOSITION ADAPTED, UPON COMBUSTION, FOR GENERATING A LOW TEMPERATURE, SUBSTANTIALLY NON-TOXIC GAS, SAID COMPOSITION COMPRISING:
- A FUEL SELECTED FROM THE GROUP CONSISTING OF A CARBONACEOUS MATERIAL, ALUMINUM AND MAGNESIUM, AN INORGANIC OXIDIZER SELECTED FROM THE GROUP CONSISTING OF A METAL CHLORATE, A METAL PERCHLORATE, A METAL NITRATE, AMMONIUM NITRATE, AMMONIUM CHLORATE, AND AMMONIUM PERCHLORATE, AND A COOLANT SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM HYDROXIDE AND A MIXTURE OF MAGNESIUM CARBONATE AND MAGNESIUM HYDROXIDE.
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Abstract
This pyrotechnic composition is adapted, upon combustion, for generating a low-flame temperature, non-toxic gas for inflating a vehicle safety bag or other inflatable device. The composition comprises: a fuel, such as a carbonaceous material, aluminum or magnesium; an inorganic oxidizer, such as a metal chlorate, a metal perchlorate, a metal nitrate, ammonium chlorate, ammonium perchlorate or ammonium nitrate; and a coolant or combined binder and coolant, such as magnesium carbonate, magnesium hydroxide or a mixture of magnesium hydroxide and magnesium carbonate. A typical example of this composition comprises: carbon as the fuel; potassium chlorate as the oxidizer; and magnesium carbonate or a mixture of magnesium hydroxide and magnesium carbonate as the binder-coolant. One may use as much of this later mentioned binder-coolant as is necessary to obtain the desired binding properties in the composition, without raising the flame temperature of the gas to an unacceptable level.
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Citations
7 Claims
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1. A PYROTECHNIC COMPOSITION ADAPTED, UPON COMBUSTION, FOR GENERATING A LOW TEMPERATURE, SUBSTANTIALLY NON-TOXIC GAS, SAID COMPOSITION COMPRISING:
- A FUEL SELECTED FROM THE GROUP CONSISTING OF A CARBONACEOUS MATERIAL, ALUMINUM AND MAGNESIUM, AN INORGANIC OXIDIZER SELECTED FROM THE GROUP CONSISTING OF A METAL CHLORATE, A METAL PERCHLORATE, A METAL NITRATE, AMMONIUM NITRATE, AMMONIUM CHLORATE, AND AMMONIUM PERCHLORATE, AND A COOLANT SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM HYDROXIDE AND A MIXTURE OF MAGNESIUM CARBONATE AND MAGNESIUM HYDROXIDE.
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2. The pyrotechnic composition according to claim 1 comprising by weight:
- about 1% to about 10% of said fuel;
about 30% to about 70% of said inorganic oxidizer; and
about 10% to about 60% of said coolant.
- about 1% to about 10% of said fuel;
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3. The pyrotechnic composition according to claim 1 comprising by weight:
- about 3% to about 7% of said fuel;
about 40% to about 60% of said inorganic oxidizer; and
about 35% to about 55% of said coolant.
- about 3% to about 7% of said fuel;
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4. The pyrotechnic composition according to claim 1 wherein said magnesium hydroxide comprises by weight about 10% to about 30% of the entire composition.
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5. The pyrotechnic composition according to claim 1, wherein said coolant comprises about 10% to about 30% magnesium hydroxide as compared to the entire composition and about 20% to about 40% magnesium carbonate as compared to the entire composition.
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6. The pyrotechnic composition according to claim 5 wherein said mixture of magnesium hydroxide and magnesium carbonate comprises about equal amounts of magnesium hydroxide and magnesium carbonate.
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7. The composition according to claim 1 comprising by weight:
- 5% carbon;
about 50% potassium chlorate; and
about 45% of a mixture of about equal amounts of magnesium hydroxide and magnesium carbonate.
- 5% carbon;
Specification
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- Resources
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Current AssigneeEugene F. Garner
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Original AssigneeEugene F. Garner
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InventorsGarner, Eugene F.
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Primary Examiner(s)Lechert, Jr., Stephen J.
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Application NumberUS05/500,810Time in Patent Office414 DaysField of Search149/40,41,42,43,46,61,76,82 252/188.3RUS Class Current149/41CPC Class CodesC06B 23/04 for cooling the explosion g...C06D 5/06 by reaction of two or more ...
