GAS GENERATOR
First Claim
1. A gas generator comprising,a housing including a diffuser shell provided with a gas discharge port, and a closure shell,an ignition device including an igniter and a gas generating agent accommodated inside the housing,the diffuser shell being in a substantially cup-like shape and having an annular bent portion obtained by bending a circumferential wall portion at an opening inwardly,the closure shell being in a substantially annular shape having a annular plate portion, the annular plate portion having a annular curved portion projecting toward an inside of the housing,the ignition device being fixed to a central hole in the annular plate portion with a resin,an inner circumferential part of the annular plate portion in the closure shell abutting against the resin, andan outer circumferential part of the annular plate portion abutting against and being fixed to the annular bent portion of the diffuser shell.
1 Assignment
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Accused Products
Abstract
The present invention provides a gas generator including a housing provided with a diffuser shell and a closure shell, an ignition device, the diffuser shell being in a substantially cup-like shape and having an annular bent portion obtained by bending a circumferential wall portion at an opening inwardly, the closure shell being in a substantially annular shape having a annular plate portion that includes a annular curved portion projecting toward the inside of the housing, the ignition device being fixed to a central hole in the annular plate portion with a resin, an inner circumferential part of the annular plate portion in the closure shell abutting against the resin, an outer circumferential part of the annular plate portion abutting against and being fixed to the annular bent portion of the diffuser shell.
7 Citations
15 Claims
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1. A gas generator comprising,
a housing including a diffuser shell provided with a gas discharge port, and a closure shell, an ignition device including an igniter and a gas generating agent accommodated inside the housing, the diffuser shell being in a substantially cup-like shape and having an annular bent portion obtained by bending a circumferential wall portion at an opening inwardly, the closure shell being in a substantially annular shape having a annular plate portion, the annular plate portion having a annular curved portion projecting toward an inside of the housing, the ignition device being fixed to a central hole in the annular plate portion with a resin, an inner circumferential part of the annular plate portion in the closure shell abutting against the resin, and an outer circumferential part of the annular plate portion abutting against and being fixed to the annular bent portion of the diffuser shell.
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4. A gas generator comprising,
a housing including a diffuser shell provided with a gas discharge port, and a closure shell, an ignition device including an igniter and a gas generating agent accommodated inside the housing, the diffuser shell being in a substantially cup-like shape and having an annular bent portion obtained by bending a circumferential wall portion at an opening inwardly, the closure shell being in a substantially annular shape having a annular plate portion, the annular plate portion having a annular curved portion projecting toward an inside of the housing, the ignition device being fixed to a central hole of the annular plate portion by a metallic collar, an inner circumferential part of the annular plate portion in the closure shell abutting against the metallic collar, an outer circumferential part of the annular plate portion abutting against and being fixed to the annular bent portion of the diffuser shell.
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8. A gas generator comprising,
a housing including a diffuser shell provided with a gas discharge port, and a closure shell, an ignition device including an igniter and a gas generating agent accommodated inside the housing, the diffuser shell being in a substantially cup-like shape having a central hole for disposing the ignition device at a central portion of a bottom surface, and an annular bent portion obtained by bending a circumferential wall portion at an opening inwardly, the closure shell in a substantially annular shape curved toward the inside of the housing the ignition device being fixed to the central hole at the bottom surface of the diffuser shell with a resin or a metallic collar, an outer circumferential part of the closure shell abutting against and being fixed to the annular bent portion of the diffuser shell.
Specification