Gas generator for air bag
First Claim
1. A gas generator for an air bag, comprising a single cylindrical housing charged with a pressurized gas and at least one ignition device mounted to the cylindrical housing, the cylindrical housing having a reduced diameter portion formed by an annular convex portion protruding inward, the reduced diameter portion having a single first gas discharge port sealed by a rupturable plate, the reduced diameter portion, which has the first gas discharge port, being surrounded by a cylindrical diffuser portion having a plurality of second gas discharge ports, and an outer diameter, which includes the part surrounded by the diffuser portion, approximating an outer diameter of the cylindrical housing.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention relates to a gas generator for an air bag including a single cylindrical housing charged with a pressurized gas and at least one ignition device mounted to the cylindrical housing, the cylindrical housing having a reduced diameter portion formed by an annular convex portion protruding inward, the reduced diameter portion having a single first gas discharge port sealed by a rupturable plate, the reduced diameter-portion, which has the first gas discharge port, being surrounded by a cylindrical diffuser portion having a plurality of second gas discharge ports, and an outer diameter including the part surrounded by the diffuser portion approximates an outer diameter of the cylindrical housing.
28 Citations
11 Claims
-
1. A gas generator for an air bag, comprising a single cylindrical housing charged with a pressurized gas and at least one ignition device mounted to the cylindrical housing,
the cylindrical housing having a reduced diameter portion formed by an annular convex portion protruding inward, the reduced diameter portion having a single first gas discharge port sealed by a rupturable plate, the reduced diameter portion, which has the first gas discharge port, being surrounded by a cylindrical diffuser portion having a plurality of second gas discharge ports, and an outer diameter, which includes the part surrounded by the diffuser portion, approximating an outer diameter of the cylindrical housing.
-
8. A gas generator, comprising:
-
a single cylindrical housing including a first open end and a second open end and being charged with a pressurized gas therein;
a first ignition device attached to the first open end and a second ignition device attached to the second open end;
an reduced diameter portion formed in a circumference of the single cylindrical housing between the first open end and the second open end and protruding inwardly;
a single first gas discharge port provided in the reduced diameter portion and being closed by a rupturable plate; and
a diffuser portion having a plurality of second gas discharge ports and being provided around the reduced diameter portion such that the gas generator has a substantially flat contour line in the axial direction thereof. - View Dependent Claims (9, 10, 11)
-
Specification