Igniter and gas generator
US-2024140351-A1 · May 2, 2024 · US
Gas generator having a storage chamber for material with endothermic change of state
US8960718B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8960718-B2 |
| Application number | US-201213981461-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 24, 2012 |
| Priority date | Jan 25, 2011 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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Abstract
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A gas generator includes a case enclosing a combustion chamber containing at least one pyrotechnic charge, a diffusion chamber, and a chamber for storing a material releasable from the chamber during combustion of the charge, to change state endothermically under the effect of gas coming from this combustion, then be evacuated via the diffusion chamber. The material is a liquid stored at atmospheric pressure. The chamber has at least one inlet opening, and a series of outlet openings. The outlet openings are arranged within a wall separating the chamber from the diffusion chamber. The charge and the combustion and diffusion chambers are dimensioned such that during combustion, at least one portion of gas flow generated by the charge opens at least the inlet opening and penetrates into the chamber provoking the escape of the material via the outlet openings, then its endothermic change in state, mainly in the diffusion chamber.
First claim
Opening claim text (preview).
The invention claimed is: 1. A gas generator for inflation of an airbag, the gas generator comprising: a case; a combustion chamber enclosed by the case, the combustion chamber containing at least one pyrotechnic charge able to be ignited by an initiator; a diffusion chamber enclosed by the case, the diffusion chamber having at least one communication orifice with an exterior able to receive gases coming from combustion of the charge and evacuate gases towards the exterior;…
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Mechanical Engineering · mapped topic
Operations & Transport · mapped topic
- B60R21/2644Primary
Operations & Transport · mapped topic
- B60R21/263Primary
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US8960718B2 cover?
- A gas generator includes a case enclosing a combustion chamber containing at least one pyrotechnic charge, a diffusion chamber, and a chamber for storing a material releasable from the chamber during combustion of the charge, to change state endothermically under the effect of gas coming from this combustion, then be evacuated via the diffusion chamber. The material is a liquid stored at atmosp…
- Who is the assignee on this patent?
- Patton Yvonnig, Peremarty François, Cox Matthew Alan, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification B60R21/2644. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Feb 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).