초록 ▼

A gas generator comprises an elongated, preferably tubular outer housing (10), at least one combustion chamber (26, 28) provided therein and filled with a solid propellant (30; 30'), and at least one igniter unit (16, 18) generating ignition gas for igniting the solid propellant (30; 30'). The ignit

A gas generator comprises an elongated, preferably tubular outer housing (10), at least one combustion chamber (26, 28) provided therein and filled with a solid propellant (30; 30'), and at least one igniter unit (16, 18) generating ignition gas for igniting the solid propellant (30; 30'). The igniter unit (16, 18) is arranged laterally and externally on the outer housing ( 10) in such a way and, in relation to the outer housing (10), a preferably radial ignition transfer opening (50, 58) is provided in the outer housing so that ignition gas generated in the igniter unit (16, 18) flows into the interior of the outer housing (10) via the ignition transfer 1 openings (50, 58).

대표청구항 ▼

What is claimed is: 1. A gas generator comprising an elongated, tubular outer housing (10), at least one combustion chamber (26, 28) provided therein and filled with a solid propellant (30; 30 '), and at least one igniter unit (16, 18) generating ignition gas for igniting said solid propellant (30;

What is claimed is: 1. A gas generator comprising an elongated, tubular outer housing (10), at least one combustion chamber (26, 28) provided therein and filled with a solid propellant (30; 30 '), and at least one igniter unit (16, 18) generating ignition gas for igniting said solid propellant (30; 30') and having an igniter (54) integrated within said igniter unit (16,18), said igniter unit (16, 18) being arranged radially and externally on said outer housing (10) and said igniter (54) being positioned completely outside of said outer housing (10) and a, with respect to said outer housing (10), first radial ignition transfer opening (50) being provided in said outer housing (10), said ignition gas generated in said igniter unit (16, 18), before reaching said solid propellant (30; 30'), flowing via said first ignition transfer opening (50) into one of a distribution space (40) and an intermediate space (80) arranged outside of said igniter unit (16, 18) and into an interior of said outer housing (10), said one of a distribution space (40) and an intermediate space (80) being free of propellant and defined by an inner face of said outer housing (10) and a wall (32, 72). 2. The gas generator according to claim 1, wherein a second ignition transfer opening (58) is provided in said igniter unit (16) in a region of the fastening of said igniter unit (16) to said outer housing. 3. The gas generator according to claim 1, wherein said igniter unit (16, 18) does not project into said combustion chamber (26, 28). 4. The gas generator according to claim 1, wherein said combustion chamber (26, 28) has an axially arranged filling opening. 5. The gas generator according to claim 1, wherein said combustion chamber (26, 28) is constructed without an undercut. 6. The gas generator according to claim 1, wherein said combustion chamber (26, 28) is cylindrical and has a longitudinal direction running parallel to a central axis (A) of said outer housing (10). 7. The gas generator according to claim 1, wherein said distribution space (40) extends across an entire axial length of said combustion chamber (26). 8. The gas generator according to claim 7, wherein said outer housing (10) has outflow openings (44) and an expansion space (42) for gas is provided between said combustion chamber ( 26, 28) and said outflow openings (44). 9. The gas generator according to claim 8, wherein said expansion space (42) extends across said entire axial length of said combustion chamber (26, 28). 10. The gas generator according to claim 8, wherein said combustion chamber wall (32) is formed by an insert which has a radially inwardly directed indentation to produce said expansion space (42). 11. The gas generator according to claim 10, wherein except for said distribution space (40) and said expansion space ( 42), said insert lies with an entire surface against said inner face of said outer housing (10). 12. The gas generator according to claim 1, wherein said combustion chamber wall (32) is formed by an insert which has a radially inwardly directed indentation to produce said distribution space (40). 13. A gas generator comprising an elongated, tubular outer housing (10), at least one combustion chamber (26, 28) provided therein and filled with a solid propellant (30; 30 '), and at least one igniter unit (16, 18) generating ignition gas for igniting said solid propellant (30; 30') and having an igniter (54) integrated within said igniter unit (16,18), said igniter unit (16, 18) being arranged radially and externally on said outer housing (10) and said igniter (54) being positioned completely outside of said outer housing (10) and a, with respect to said outer housing (10), first radial ignition transfer opening (50) being provided in said outer housing (10), said ignition gas generated in said igniter unit (16, 18), before reaching said solid propellant (30; 30'), flowing via said first ignition transfer opening (50) into one of a distribution space (40) and an intermediate space (80) arranged outside of said igniter unit (16, 18) and into an interior of said outer housing (10), said one of a distribution space (40) and an intermediate space (80) being defined by an inner face of said outer housing (10) and a wall (32, 72), wherein said outer housing has outflow openings (44) which are arranged in a region lying diametrically opposite said first ignition transfer opening (50) as seen relative to a central axis (A) of said outer housing (10). 14. The gas generator according to claim 13, wherein said distribution space (40) extends across an entire axial length of said combustion chamber (26). 15. The gas generator according to claim 14, wherein said outer housing (10) has outflow openings (44) and an expansion space (42) for gas is provided between said combustion chamber (26, 28) and said outflow openings (44). 16. The gas generator according to claim 15, wherein said expansion space (42) extends across said entire axial length of said combustion chamber (26, 28). 17. The gas generator according to claim 15, wherein said combustion chamber wall (32) is formed by an insert which has a radially inwardly directed indentation to produce said expansion space (42). 18. The gas generator according to claim 17, wherein except for said distribution space (40) and said expansion space ( 42), said insert lies with an entire surface against said inner face of said outer housing (10). 19. The gas generator according to claim 13, wherein said combustion chamber wall (32) is formed by an insert which has a radially inwardly directed indentation to produce said distribution space (40). 20. A gas generator comprising an elongated, tubular outer housing (10), at least one combustion chamber (26, 28) provided therein and filled with a solid propellant (30; 30 '), and at least one igniter unit (16, 18) generating ignition gas for igniting said solid propellant (30; 30'), said igniter unit (16, 18) being arranged laterally and externally on said outer housing (10) and, in relation to said outer housing (10), a radial ignition transfer opening (50, 58) being provided in said outer housing so that said ignition gas generated in said igniter unit (16, 18) flows into an interior of said outer housing (10) via said ignition transfer opening (50, 58), wherein said combustion chamber is defined by a combustion chamber wall (32) and wherein between an inner face of said outer housing (10) and said combustion chamber wall (32) a distribution space (40) is provided for ignition gas produced by said igniter unit (16, 18), said ignition transfer opening (50,58) opening into said space (40), wherein said distribution space (40) extends across an entire axial length of said combustion chamber ( 26), wherein said outer housing (10) has outflow openings ( 44) and an expansion space (42) for gas is provided between said combustion chamber (26,28) and said outflow openings (44), wherein said combustion chamber wall (32) is formed by an insert which has a radially inwardly directed indentation to produce said expansion space (42). 21. A gas generator comprising an elongated, tubular outer housing (10), at least one combustion chamber (26, 28) provided therein and filled with a solid propellant (30; 30 '), and at least one igniter unit (16, 18) generating ignition gas for igniting said solid propellant (30; 30'), said igniter unit (16, 18) being arranged laterally and externally on said outer housing (10) and, in relation to said outer housing (10), a radial ignition transfer opening (50, 58) being provided in said outer housing so that said ignition gas generated in said igniter unit (16, 18) flows into an interior of said outer housing (10) via said ignition transfer openings (50, 58), wherein said combustion chamber is defined by a combustion chamber wall (32) and wherein between an inner face of said outer housing (10) and said combustion chamber wall (32) a distribution space (40) is provided for ignition gas produced by said igniter unit (16, 18), said ignition transfer opening (50,58) opening into said distribution space (40), wherein said distribution space (40) extends across an entire axial length of said combustion chamber (26), wherein said outer housing (10) has outflow openings (44) and an expansion space (42) for gas is provided between said combustion chamber (26,28) and said outflow openings (44), wherein said combustion chamber wall ( 32) is formed by an insert which has a radially inwardly directed indentation to produce said expansion space (42), wherein except for said distribution space (40) and said expansion space ( 42), said insert lies with an entire surface against an inner face of said outer housing (10). 22. A gas generator comprising an elongated, tubular outer housing (10) centered on a first axis A, at least one combustion chamber provided in said housing having a charge of solid propellant in the combustion chamber, and at least one igniter unit generating ignition gas for igniting said solid propellant and having an igniter (54) integrated within said igniter unit (16,18), said igniter unit being arranged on said outer housing ( 10) between opposite ends of said outer housing (10) and said igniter (54) being positioned completely outside of said outer housing (10), said igniter unit being centered on a second axis which extends radially relative to the first axis, and a first radial ignition transfer opening being provided in said outer housing, said first radial igniter transfer opening directing gas flow radially, said ignition gas generated in said igniter unit (16, 18), before reaching said solid propellant, flowing via said first ignition transfer opening into one of a distribution space (40) or an intermediate space (80) arranged outside of said igniter unit ( 16, 18) and in an interior of said outer housing (10), said one of a distribution space (40) and an intermediate space (80) being free of propellant and defined by an inner face of said outer housing (10) and a wall (32, 72). 23. The gas generator according to claim 22, wherein a second ignition transfer opening (58) is provided in said igniter unit (16) in a region of the fastening of said igniter unit (16) to said outer housing. 24. The gas generator according to claim 22, wherein said igniter unit (16, 18) does not project into said combustion chamber (26, 28). 25. The gas generator according to claim 22, wherein said combustion chamber (26, 28) has an axially arranged filling opening. 26. The gas generator according to claim 22, wherein said combustion chamber (26, 28) is constructed without an undercut. 27. The gas generator according to claim 22, wherein said combustion chamber (26, 28) is cylindrical and has a longitudinal direction running parallel to a central axis (A) of said outer housing (10). 28. The gas generator according to claim 22, wherein said outer housing has outflow openings (44) which are arranged in a region lying diametrically opposite said first ignition transfer opening (50), as seen relative to said first axis A of said outer housing (10).