Crash bag propellant compositions for generating high quality nitrogen gas
First Claim
1. A method for improving the stability and speed of azide/oxidizer containing propellant compositions comprising replacing metal oxides within the oxidizer component with an active amount of a metal complex represented by the formula
wherein M is defined as copper or iron;
Ml is defined as chromium, molybdenum or tungsten;
X is defined as an electronegative element selected from the group consisting of oxygen, sulfur, and chlorine;
(a) has a value within the range of about 1-5;
(b) has a value within the range of about 0.7-3.0; and
(c) has a value within the range of 4-12.
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Accused Products
Abstract
A crash bag propellant composition and method for generating non-toxic nitrogen gas comprising an azide salt and an oxidant component in which metal oxides are substantially replaced with one or more bi-metallic complexes containing copper or iron in combination with chromium, molybdenum or tungsten.
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Citations
32 Claims
- 1. A method for improving the stability and speed of azide/oxidizer containing propellant compositions comprising replacing metal oxides within the oxidizer component with an active amount of a metal complex represented by the formula
- space="preserve" listing-type="equation">M.sub.(a) M.sub.(b).sup.l X.sub.(c)
wherein M is defined as copper or iron;
Ml is defined as chromium, molybdenum or tungsten;
X is defined as an electronegative element selected from the group consisting of oxygen, sulfur, and chlorine;
(a) has a value within the range of about 1-5;
(b) has a value within the range of about 0.7-3.0; and
(c) has a value within the range of 4-12.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
- 3. The method of claim 2, wherein the azide component of the propellant composition is sodium azide or potassium azide and the metal complex is represented by the formula.
- space="preserve" listing-type="equation">Cu.sub.4.41 Cr.sub.0.77 O.sub.5.00.
- space="preserve" listing-type="equation">Cu.sub.2.20 Cr.sub.2.85 O.sub.7.00.
- space="preserve" listing-type="equation">Cu.sub.2.93 Cr.sub.2.85 O.sub.7.00.
- space="preserve" listing-type="equation">Cu Mo O.sub.4.00.
- space="preserve" listing-type="equation">Fe WO.sub.4.00.
- and the metal complex is represented by the formula
space="preserve" listing-type="equation">Fe.sub.2 Mo.sub.3 O.sub.12.00.
- 9. A gas-generating propellant composition comprising, in combination,
(a) an alkali or alkaline earth metal azide component, and (b) an active amount of an oxidizer complex of the formula - space="preserve" listing-type="equation">M.sub.(a) M.sub.(b).sup.l X.sub.(c)
wherein M is defined as copper or iron;
Ml is defined as chromium, molybdenum or tungsten;
X is defined as an electronegative element selected from the group consisting of oxygen, sulfur, and chlorine;(a) has a value within the range of about 1-5; (b) has a value within the range of about 0.7-3.0; and (c) has a value within the range of about 4-12. - View Dependent Claims (10, 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24, 25, 26, 28, 29, 30, 31, 32)
- 13. The nitrogen gas-generating propellant composition of claim 10, wherein the azide component is sodium or potassium azide, and the oxidizer complex has the formula
- space="preserve" listing-type="equation">Cu.sub.2.93 Cr.sub.2.85 O.sub.7.00.
- space="preserve" listing-type="equation">Cu Mo O.sub.4.00.
- space="preserve" listing-type="equation">Fe WO.sub.4.00.
- space="preserve" listing-type="equation">Fe.sub.2 Mo.sub.3 O.sub.12.00.
- and impact detecting means functionally connected to said detonating means for firing of said detonating means upon exposure to an impact of predetermined severity;
wherein an impacting force on said impact detecting means effects a firing sequence through said means for ignition of said gas-generating propellant, essentially producing inert nitrogen gas in said gas-generating means, and passing said gas to said inflatable bag to create a shock-absorbing barrier.
- and impact-detecting means functionally connected to said detonating means for firing of said detonating means upon exposure to an impact of predetermined severity;
wherein an impacting force on said impact-detecting means effects a firing sequence through said means for ignition of said gas-generating propellant, essentially producing inert nitrogen gas in said gas-generating means, and passing said gas to said inflatable bag to create a shock-absorbing barrier.
- and impact-detecting means functionally connected to said detonating means for firing of said detonating means upon exposure to an impact of predetermined severity;
wherein an impacting force on said impact-detecting means effects a firing sequence through said means for ignition of said gas-generating propellant, essentially producing inert nitrogen gas in said gas-generating means, and passing said gas to said inflatable bag to create a shock-absorbing barrier.
- and impact-detecting means functionally connected to said detonating means for firing of said detonating means upon exposure to an impact of predetermined severity;
wherein an impacting force on said impact-detecting means effects a firing sequence through said means for ignition of said gas-generating propellant, essentially producing inert nitrogen gas in said gas generating means, and passing said gas to said inflatable bag to create a shock-absorbing barrier.
- and impact-detecting means functionally connected to said detonating means for firing of said detonating means upon exposure to an impact of predetermined severity;
wherein an impacting force on said impact-detecting means effects a firing sequence through said means for ignition of said gas-generating propellant, essentially producing inert nitrogen gas in said gas generating means, and passing said gas to said inflatable bag to create a shock-absorbing barrier.
- and impact-detecting means functionally connected to said detonating means for firing of said detonating means upon exposure to an impact of predetermined severity;
wherein an impacting force on said impact-detecting means effects a firing sequence through said means for ignition of said gas-generating propellant, essentially producing inert nitrogen gas in said gas generating means, and passing said gas to said inflatable bag to create a shock-absorbing barrier.
- and impact-detecting means functionally connected to said detonating means for firing of said detonating means upon exposure to an impact of predetermined severity;
wherein an impacting force on said impact-detecting means effects a firing sequence through said means for ignition of said gas-generating propellant, essentially producing inert nitrogen gas in said gas generating means, and passing said gas to said inflatable bag to create a shock-absorbing barrier.
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11. The nitrogen gas-generating propellant of claim 11, wherein the azide component is sodium azide or potassium azide;
- and the oxidizer complex has the formula
space="preserve" listing-type="equation">Cu.sub.4.41 Cr.sub.0.77 O.sub.5.00. - View Dependent Claims (19, 27)
- and the oxidizer complex has the formula
Specification