The invention relates to a gas generator assembly for an airbag module of a motor vehicle, which is equipped for inflating a gas bag of the airbag module. The gas generator assembly comprises a generator housing, with a gas set arranged in the generator housing, from which a gas can be generated on
The invention relates to a gas generator assembly for an airbag module of a motor vehicle, which is equipped for inflating a gas bag of the airbag module. The gas generator assembly comprises a generator housing, with a gas set arranged in the generator housing, from which a gas can be generated on ignition, an ignition device for igniting the gas bag, a volume compensating element which acts on the gas set under elastic pretension and which is designed as spring element, and a filter for filtering gases generated by means of the gas set, which are released from the generator housing. The volume compensating element is formed of a filter material and is arranged in the generator housing such that gases generated in the generator housing are filtered by the volume compensating element, before they exit from the generator housing.
대표청구항▼
1. A gas generator assembly for an airbag module of a motor vehicle, which is equipped for inflating a gas bag of the airbag module, comprising a generator housing,a gas generating material arranged in the generator housing, from which a gas can be generated on ignition,an ignition device for igniti
1. A gas generator assembly for an airbag module of a motor vehicle, which is equipped for inflating a gas bag of the airbag module, comprising a generator housing,a gas generating material arranged in the generator housing, from which a gas can be generated on ignition,an ignition device for igniting the gas generating material,a volume compensating element in form of a coil spring or a spiral spring comprising spring windings which acts on the gas generating material under elastic pretension, anda filter material for filtering gases generated by activation of said gas generating material, which are released from the generator housing,wherein the spring windings of said volume compensating element are formed of said filter material, andwherein said volume compensating element is arranged in the generator housing such that gases generated in the generator housing are filtered by the spring windings of said volume compensating element, before they exit from the generator housing. 2. The gas generator assembly according to claim 1, wherein the volume compensating element forms the only component provided within the generator housing for filtering gases generated therein. 3. The gas generator assembly according to claim 1, wherein in a wall of the generator housing outflow openings are provided for releasing gases generated in the generator housing. 4. The gas generator assembly according to claim 3, wherein the volume compensating element covers the outflow openings. 5. The gas generator assembly according to claim 4, wherein the volume compensating element closes the outflow openings such that gases generated in the generator housing pass through the filter material of the volume compensating element, before they are released through the outflow openings. 6. The gas generator assembly according to claim 1, wherein the filter material of the volume compensating element is formed by wire. 7. The gas generator assembly according to claim 6, wherein the filter material of the volume compensating element is formed by spring steel wire. 8. The gas generator assembly according to claim 6, wherein the wire is knitted, woven or braided. 9. The gas generator assembly according to claim 1, wherein the volume compensating element acts on a side of the gas generating material facing away from the ignition device. 10. The gas generator assembly according to claim 1, wherein the generator housing is formed tubular. 11. The gas generator assembly according to claim 10, wherein the ignition device is arranged on a first axial end portion of the generator housing and the volume compensating element is arranged on the other axial end portion of the generator housing. 12. The gas generator assembly according to claim 11, wherein the gas generating material is provided in the generator housing in axial direction between the ignition device and the volume compensating element.
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이 특허에 인용된 특허 (4)
Katoh Masayoshi (Kawagoe JPX) Ishii Takashi (Tokyo JPX) Nagaoka Tadahiko (Sayama JPX), Combusting device for generation of a combustion gas.
Simon Josef V. (Olching DEX) Liebl Thomas (Neubiberg DEX) Bauer Hermann (Chieming DEX) Oswald Ludwig (Schamach b. Grafing DEX) Schmucker Robert (Riemerling DEX), Gas generator for a safety system for protecting occupants in motor vehicles.
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