Cool burning gas generant formulation for an airbag with low burn rate slope
AssigneeAutoliv ASP, Inc.
InventorsIvan V. MENDENHALL, Jadd SHELTON
Life of this patent
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Abstract
A gas generant formulation for a side impact airbag that includes a primary fuel, a primary oxidizer, a secondary fuel, and a secondary oxidizer. The secondary fuel includes at least melamine nitrate in an amount that is in a range of about 1.00% by weight to about 10.00% by weight. The secondary oxidizer includes at least potassium perchlorate that is in an amount that is in a range of about 1.00% by weight to about 10.00% by weight. The formulation provides a burn rate that is at least 50 mm/sec at 40 MPa and a burn rate slope that is equal to or less than 0.40.
Claims20
A gas generant formulation for a side impact airbag, the formulation comprising:
- a primary fuel;
- a primary oxidizer;
- a secondary fuel that includes at least melamine nitrate, an amount of the melamine nitrate being in a range of about 1.00% by weight to about 10.00% by weight;
- and
- a secondary oxidizer that includes at least potassium perchlorate, an amount of the potassium perchlorate being in a range of about 1.00% by weight to about 10.00% by weight,
- wherein a burn rate of the formulation is at least 50 mm/sec at 40 MPa and a burn rate slope is equal to or less than 0.40.
A gas generant formulation for a side impact airbag, the formulating comprising:
- a primary fuel that includes at least guanidine nitrate;
- a primary oxidizer that includes at least basic copper nitrate;
- a secondary fuel that includes at least melamine nitrate, an amount of the melamine nitrate being in a range of about 5.00% by weight to about 10.00% by weight;
- and
- a secondary oxidizer that includes at least potassium perchlorate, an amount of the potassium perchlorate being in a range of about 5.00% by weight to about 10.00% by weight,
- wherein a burn rate of the formulation is at least 50 mm/sec at 40 MPa and a burn rate slope is equal to or less than 0.40.
Dependencies are inferred from the claim text.