US 6,981,718 B2 | ||
Projectile firing barrel | ||
Jeffery S. Blackburn, Lake Orion, Mich. (US) | ||
Assigned to Automotive Systems Laboratory, Inc., Farmington Hills, Mich. (US) | ||
Filed on Nov. 17, 2003, as Appl. No. 10/716,243. | ||
Claims priority of provisional application 60/426894, filed on Nov. 15, 2002. | ||
Prior Publication US 2004/0140656 A1, Jul. 22, 2004 | ||
Int. Cl. B60R 21/26 (2006.01) |
U.S. Cl. 280—737 | 15 Claims |
1. A gas generator for an inflatable occupant protection system in a motor vehicle comprising:
a gas canister having a pressurized gas stored therein and a rupturable seal at an end;
an elongate projectile firing barrel having a touch hole formed in a side thereof;
a quantity of propellant positioned in said projectile firing barrel and ignitable via a flame front traversing said touch
hole; and
a projectile positioned in said barrel and movable therein upon an ignition of said propellant,
wherein the ignition of said propellant drives said projectile into said rupturable seal, allowing said pressurized gas to
exit said canister for inflation of an airbag.
|