CN117068401B - Hard air bag gas generator - Google Patents
Hard air bag gas generator Download PDFInfo
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- CN117068401B CN117068401B CN202311056145.9A CN202311056145A CN117068401B CN 117068401 B CN117068401 B CN 117068401B CN 202311056145 A CN202311056145 A CN 202311056145A CN 117068401 B CN117068401 B CN 117068401B
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- gas
- inner cylinder
- fixedly connected
- outer sleeve
- sliding plate
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- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 16
- 239000002826 coolant Substances 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 13
- 230000001133 acceleration Effects 0.000 claims description 10
- 239000003814 drug Substances 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 9
- 238000005253 cladding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/64—Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements
- B64G1/645—Separators
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention belongs to the technical field of gas generators, and particularly relates to a hard air bag gas generator, which comprises an outer sleeve, wherein a gas generation mechanism and a secondary piston mechanism are sequentially arranged in the outer sleeve from bottom to top; the second-stage piston mechanism comprises a first sliding plate which is slidably connected in the outer sleeve, a first limiting mechanism is arranged between the first sliding plate and the outer sleeve, a second inner cylinder is fixedly connected to the top surface of the first sliding plate, a second sliding plate is slidably connected in the second inner cylinder, a cavity is reserved between the bottom surface of the second sliding plate and the first sliding plate, a second gas generating assembly is arranged in the cavity, a third inner cylinder is fixedly connected to the top surface of the second sliding plate, a top plate is fixedly connected to the top end of the third inner cylinder, a second limiting mechanism is arranged between the top plate and the outer sleeve, and a distance is reserved between the bottom surface of the top plate and the top end of the second inner cylinder. The two-stage piston mechanism is arranged in the invention, so that the degree of the outer sleeve is shortened on the premise of not changing the stroke of the top plate, and the weight of the whole device is lightened, thereby reducing the emission cost of the spacecraft.
Description
Technical Field
The invention belongs to the technical field of gas generators, and particularly relates to a hard air bag gas generator.
Background
A gas generator is a device that generates a gas having a certain pressure. There are many uses for gas generators, such as for inflating car airbags, for detaching aircraft tails and fairings, etc.;
in the prior art, most of gas generators applied to the separation of the fairing of the spacecraft adopt single-section explosion, so that the volume and the weight of the gas generators are large, the launching weight of the spacecraft is increased, and the launching cost of the spacecraft is increased.
Disclosure of Invention
The object of the present invention is to provide a rigid airbag inflator that solves the above-mentioned problems.
In order to achieve the above object, the present invention provides the following solutions:
A rigid airbag gas generator comprising: the outer sleeve is vertically arranged, and a gas generation mechanism and a secondary piston mechanism are sequentially arranged in the outer sleeve from bottom to top;
The secondary piston mechanism comprises a first sliding plate which is slidably connected in the outer sleeve, a first limiting mechanism is arranged between the first sliding plate and the outer sleeve, a second inner cylinder is fixedly connected to the top surface of the first sliding plate, a second sliding plate is slidably connected in the second inner cylinder, a cavity is reserved between the bottom surface of the second sliding plate and the first sliding plate, a second gas generating assembly is arranged in the cavity, a third inner cylinder is fixedly connected to the top surface of the second sliding plate, a top plate is fixedly connected to the top end of the third inner cylinder, a second limiting mechanism is arranged between the top plate and the outer sleeve, and a distance is reserved between the bottom surface of the top plate and the top end of the second inner cylinder.
Preferably, the gas generating mechanism comprises a first inner cylinder coaxially arranged in the outer sleeve, the first inner cylinder is positioned at the bottom end of the outer sleeve, a plurality of vertically arranged partition plates are fixedly connected in the first inner cylinder, the plurality of partition plates are arranged in a crossing way, the intersecting lines of the plurality of partition plates coincide with the axis of the first inner cylinder, the inside of the first inner cylinder is divided into a plurality of medicine filling cavities at equal intervals by the plurality of partition plates, and a first gas generating agent is added in the medicine filling cavities;
the bottom wall of the first inner barrel is fixedly connected with a bottom plate, a mounting groove is formed in the bottom plate, a first controller is fixedly installed in the mounting groove, a first ignition power supply is electrically connected with the first controller, a plurality of electronic detonators are electrically connected with the first ignition power supply through wires, the electronic detonators are arranged in one-to-one correspondence with the charging cavities, first ignition powder is coated on the outer portion of the electronic detonators, and the first ignition powder is arranged in the first gas generating agent.
Preferably, a first baffle is arranged at the top end of the medicine loading cavity, the first baffle is fixedly connected to the inner side wall of the first inner barrel, a plurality of third air holes are formed in the first baffle, a plurality of third air holes are distributed in an array mode, a distance is reserved between every two adjacent third air holes, and a first filter screen is fixedly connected in each third air hole.
Preferably, the top surface of the first baffle is fixedly connected with a plurality of speed increasing pipes, the speed increasing pipes are in one-to-one correspondence with the third air holes, the top ends of the speed increasing pipes are fixedly connected with a pore plate, a plurality of first air hole groups are formed in the pore plate, the first air hole groups are in one-to-one correspondence with the speed increasing pipes, and the first air hole groups comprise a plurality of first air holes.
Preferably, a chemical coolant is filled between the orifice plate and the first baffle, the chemical coolant is located in a plurality of gaps between the speed increasing pipes, a plurality of second air holes are formed in the orifice plate, the second air holes are correspondingly arranged up and down with the chemical coolant, and a second filter screen is fixedly connected to the bottom surface of the orifice plate.
Preferably, the first limiting mechanism comprises a plurality of first limiting mounting holes formed in the outer side wall of the top plate, the first limiting mounting holes are circumferentially arranged at equal intervals, one end of a first spring is fixedly connected to the bottom of each first limiting mounting hole, a first pin is fixedly connected to the other end of each first spring, the first pin is slidably connected to the first limiting mounting holes, a hemispherical end is arranged at one end, extending out of each first limiting mounting hole, of each first pin, the hemispherical end extends into each hemispherical limiting hole, and hemispherical limiting Kong Kaishe is arranged on the inner side wall of the outer sleeve;
The second limiting mechanism and the first limiting mechanism are identical in structure.
Preferably, the second gas generating assembly comprises a second controller fixedly connected to the top surface of the first sliding plate, the second controller is electrically connected with a second ignition power supply, the second ignition power supply is electrically connected with a second electronic detonator, the outer side of the second electronic detonator is coated with second ignition powder, the second ignition powder is buried in a second gas generating agent, and the second gas generating agent is located in the cavity.
Preferably, a third filter screen is arranged at the top end of the cavity, and the third filter screen is fixedly connected to the inner side wall of the second inner cylinder.
Compared with the prior art, the invention has the following advantages and technical effects:
When the invention is used, the gas generating mechanism is firstly enabled to generate a large amount of gas, the gas pushes the first sliding plate to slide along the length direction of the outer sleeve, at the moment, the second gas generating assembly is impacted and generates gas to drive the second sliding plate to slide in the second inner cylinder, so that the distance between the top plate and the first sliding plate is increased, and meanwhile, the first sliding plate slides in the outer sleeve, so that the distance of the top plate extending out of the outer sleeve is increased.
The two-stage piston mechanism is arranged in the invention, so that the degree of the outer sleeve is shortened on the premise of not changing the stroke of the top plate, and the weight of the whole device is lightened, thereby reducing the emission cost of the spacecraft.
Drawings
For a clearer description of an embodiment of the invention or of the solutions of the prior art, the drawings that are needed in the embodiment will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the A-A structure of FIG. 1;
FIG. 3 is a partial enlarged view at B in FIG. 1;
Wherein, 1, the bottom plate; 2. an outer sleeve; 3. a first inner cylinder; 4. a first controller; 5. a first ignition power supply; 6. a wire; 7. an electronic detonator; 8. a first primer; 9. a gas generating agent; 10. a partition plate; 11. a first baffle; 12. a first filter screen; 13. a speed increasing pipe; 14. a chemical coolant; 15. an orifice plate; 16. a first slide plate; 17. a second inner cylinder; 18. a first stop collar; 19. a second limiting ring; 20. a top plate; 21. a first spring; 22. a first pin; 23. a second controller; 24. a second primer; 25. a second ignition power supply; 26. a second pin; 27. a second spring; 28. a first air hole; 29. a second filter screen; 30. a second air hole; 31. a third inner cylinder; 32. a second slide plate; 33. a third filter screen; 34. and a second gas generating agent.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 to 3, the present invention discloses a rigid airbag gas generator comprising: the outer sleeve 2 is vertically arranged, and a gas generation mechanism and a secondary piston mechanism are sequentially arranged in the outer sleeve 2 from bottom to top;
The second-stage piston mechanism comprises a first sliding plate 16 which is slidably connected in an outer sleeve 2, a first limiting mechanism is arranged between the first sliding plate 16 and the outer sleeve 2, a second inner cylinder 17 is fixedly connected to the top surface of the first sliding plate 16, a second sliding plate 32 is slidably connected in the second inner cylinder 17, a cavity is reserved between the bottom surface of the second sliding plate 32 and the first sliding plate 16, a second gas generating component is arranged in the cavity, a third inner cylinder 31 is fixedly connected to the top surface of the second sliding plate 32, a top plate 20 is fixedly connected to the top end of the third inner cylinder 31, a second limiting mechanism is arranged between the top plate 20 and the outer sleeve 2, and a distance is reserved between the bottom surface of the top plate 20 and the top end of the second inner cylinder 17.
The inner side wall of the outer sleeve 2 is fixedly connected with a first limiting ring 18, and the first limiting ring 18 is positioned at the top end of the outer sleeve 2 to prevent the first sliding plate 16 from falling out of the outer sleeve 2; a second limiting ring 19 is fixedly connected to the top end of the inner side wall of the second inner cylinder 17 to prevent the second sliding plate 32 from falling out of the second inner cylinder 17.
When the invention is used, the gas generating mechanism is firstly enabled to generate a large amount of gas, the gas pushes the first sliding plate 16 to slide along the length direction of the outer sleeve 2, at the moment, the second gas generating assembly is impacted and generates gas to drive the second sliding plate 32 to slide in the second inner cylinder 17, so that the distance between the top plate 20 and the first sliding plate 16 is increased, and meanwhile, the first sliding plate 16 slides in the outer sleeve 2, so that the distance of the top plate 20 extending out of the outer sleeve 2 is increased.
The secondary piston mechanism is arranged in the invention, the degree of the outer sleeve 2 is shortened on the premise of not changing the stroke of the top plate 20, and the weight of the whole device is lightened, so that the launching cost of the spacecraft is reduced.
In a further optimization scheme, the gas generation mechanism comprises a first inner cylinder 3 coaxially arranged in an outer sleeve 2, the first inner cylinder 3 is positioned at the bottom end of the outer sleeve 2, a plurality of vertically arranged clapboards 10 are fixedly connected in the first inner cylinder 3, the clapboards 10 are arranged in a crossing mode, the intersecting lines of the clapboards 10 coincide with the axis of the first inner cylinder 3, the inner part of the first inner cylinder 3 is divided into a plurality of medicine filling cavities at equal intervals by the clapboards 10, and a first gas generation agent 9 is added in each medicine filling cavity; the plurality of partition plates 10 are used for equally dividing the interior of the first inner cylinder 3 into a plurality of medicine loading cavities.
The bottom wall of the first inner barrel 3 is fixedly connected with a bottom plate 1, a mounting groove is formed in the bottom plate 1, a first controller 4 is fixedly installed in the mounting groove, a first ignition power supply 5 is electrically connected with the first controller 4, a plurality of electronic detonators 7 are electrically connected with the first ignition power supply 5 through wires 6, the plurality of electronic detonators 7 are arranged in one-to-one correspondence with the plurality of charging cavities, first ignition powder 8 is coated on the outer portion of the plurality of electronic detonators 7, and the first ignition powder 8 is arranged in the first gas generating agent 9. The bottom wall of the bottom plate 1 is flush with the bottom end of the outer sleeve 2.
When the electronic detonator is in operation, the first controller 4 controls the first ignition power supply 5 to enable the electronic detonator 7 to ignite the first ignition powder 8, and the first ignition powder 8 ignites the first gas generating agent 9 to generate a large amount of gas; the first controller 4 may ignite all the first pilot charges 8 simultaneously or all the first pilot charges 8 sequentially as required.
Further optimizing scheme, the top of dress medicine chamber is provided with first baffle 11, and first baffle 11 rigid coupling is on the inside wall of first inner tube 3, has offered a plurality of third gas pockets on the first baffle 11, and a plurality of third gas pocket array distributes, leaves the distance between two adjacent third gas pockets, and the rigid coupling has first filter screen 12 in the third gas pocket.
By the arrangement, the first gas generating agent 9 is prevented from burning to generate gas, and meanwhile, the gas drives the unreacted first gas generating agent 9 to pass through the first baffle 11, so that the gas generation speed and the gas generation amount are prevented from being influenced.
Further optimizing scheme, the top surface of first baffle 11 is fixedly connected with a plurality of acceleration rate pipes 13, and a plurality of acceleration rate pipes 13 and a plurality of third gas pockets one-to-one set up, and the top rigid coupling of a plurality of acceleration rate pipes 13 has orifice plate 15, has seted up a plurality of first gas pocket group on the orifice plate 15, and a plurality of first gas pocket group and a plurality of acceleration rate pipes 13 one-to-one set up, and first gas pocket group includes a plurality of first gas pockets 28. The speed increasing pipe 13 is preferably a laval nozzle structure.
So set up, the gas that first gas generator 9 produced first gets into acceleration rate pipe 13 through first filter screen 12 at first, and the gas velocity of flow increases under the effect of acceleration rate pipe 13, further increases the slip speed of first slide 16, accelerates the reaction time of device.
In a further optimization scheme, a chemical coolant 14 is filled between the pore plate 15 and the first baffle 11, the chemical coolant 14 is positioned in gaps among the plurality of speed increasing pipes 13, a plurality of second air holes 30 are formed in the pore plate 15, the second air holes 30 are correspondingly arranged up and down with the chemical coolant 14, and a second filter screen 29 is fixedly connected to the bottom surface of the pore plate 15.
When the high-temperature gas generated by the first gas generating agent 9 passes through the speed increasing pipe 13, heat is transferred to the chemical coolant 14 through the pipe wall of the speed increasing pipe 13, the chemical coolant 14 absorbs heat and generates gas, and the generated gas also enters between the first sliding plate 16 and the orifice plate 15, so that the gas generation speed is further increased.
Further optimizing scheme, first stop gear is including seting up a plurality of first spacing mounting holes on roof 20 lateral wall, a plurality of first spacing mounting holes circumference equidistant setting, the hole bottom rigid coupling of first spacing mounting hole has the one end of first spring 21, the other end rigid coupling of first spring 21 has first pin 22, first pin 22 sliding connection is in first spacing mounting hole, the one end that first pin 22 stretched out first spacing mounting hole is provided with the hemisphere end, the hemisphere end stretches into in the hemisphere spacing hole, hemisphere spacing hole is seted up on the inside wall of outer sleeve 2;
The second limiting mechanism has the same structure as the first limiting mechanism.
The second limiting mechanism comprises a second limiting mounting hole formed in the outer side wall of the first sliding plate 16, one end of a second spring 27 is fixedly connected to the bottom of the second limiting mounting hole, a second pin 26 is fixedly connected to the other end of the second spring 27, a hemispherical end is arranged at one end, extending out of the second limiting mounting hole, of the second pin 26, the hemispherical end extends into the hemispherical limiting hole, and the hemispherical limiting hole is formed in the inner side wall of the outer sleeve 2.
After the gas fills the space between the first slide plate 16 and the orifice plate 15, the gas is continuously introduced between the first slide plate 16 and the orifice plate 15, and pushes the first slide plate 16 to move upwards, at this time, the first pin 22 is retracted into the first limit mounting hole, and the upward movement of the first slide plate 16 is not limited any more.
In a further optimized scheme, the second gas generating assembly comprises a second controller 23 fixedly connected to the top surface of the first sliding plate 16, the second controller 23 is electrically connected with a second ignition power supply 25, the second ignition power supply 25 is electrically connected with a second electronic detonator, the outer side of the second electronic detonator is coated with second ignition powder 24, the second ignition powder 24 is buried in a second gas generating agent 34, and the second gas generating agent 34 is located in the cavity.
The second controller 23 is a pressure sensor, when the first slide 16 is hit first, the second controller 23 controls the second electronic detonator to ignite the second ignition powder 24, and the second ignition powder 24 ignites the second gas generating agent 34 to generate a large amount of gas.
Further optimizing scheme, the top of cavity is provided with third filter screen 33, and third filter screen 33 rigid coupling is on the inside wall of second inner tube 17.
Avoiding diffusion of the second gas generant 34 within the cavity.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (7)
1. A rigid airbag gas generator, comprising: the gas generating mechanism and the secondary piston mechanism are sequentially arranged in the outer sleeve (2) from bottom to top;
The secondary piston mechanism comprises a first sliding plate (16) which is slidably connected in the outer sleeve (2), a first limiting mechanism is arranged between the first sliding plate (16) and the outer sleeve (2), a second inner cylinder (17) is fixedly connected to the top surface of the first sliding plate (16), a second sliding plate (32) is slidably connected in the second inner cylinder (17), a cavity is reserved between the bottom surface of the second sliding plate (32) and the first sliding plate (16), a second gas generating assembly is arranged in the cavity, a third inner cylinder (31) is fixedly connected to the top surface of the second sliding plate (32), a top plate (20) is fixedly connected to the top end of the third inner cylinder (31), a second limiting mechanism is arranged between the top plate (20) and the outer sleeve (2), and a distance is reserved between the bottom surface of the top plate (20) and the top end of the second inner cylinder (17);
The gas generation mechanism comprises a first inner cylinder (3) coaxially arranged in the outer sleeve (2), the first inner cylinder (3) is positioned at the bottom end of the outer sleeve (2), a plurality of vertically arranged partition plates (10) are fixedly connected in the first inner cylinder (3), a plurality of partition plates (10) are arranged in a crossed mode, the intersecting lines of the plurality of partition plates (10) coincide with the axis of the first inner cylinder (3), the inside of the first inner cylinder (3) is equally divided into a plurality of medicine filling cavities by the plurality of partition plates (10), and a first gas generating agent (9) is added in each medicine filling cavity;
The utility model discloses a gas generator, including first inner tube (3), second inner tube (3), mounting groove has been seted up on the diapire of first inner tube (3), mounting groove has been seted up in mounting groove, fixed mounting has first controller (4) in the mounting groove, first controller (4) electric connection has first ignition power (5), first ignition power (5) have a plurality of electron detonators (7) through wire (6) electric connection, a plurality of electron detonator (7) with a plurality of charge cavity one-to-one sets up, a plurality of the outside cladding of electron detonator (7) has first ignition powder (8), first ignition powder (8) set up the inside of first gas generator (9).
2. A rigid airbag gas generator as set forth in claim 1, wherein: the top of medicine loading cavity is provided with first baffle (11), first baffle (11) rigid coupling is in on the inside wall of first inner tube (3), a plurality of third gas holes have been seted up on first baffle (11), a plurality of third gas hole array distributes, and adjacent two leave the distance between the third gas hole, rigid coupling has first filter screen (12) in the third gas hole.
3. A rigid airbag gas generator as defined in claim 2, wherein: the top surface of first baffle (11) is fixedly connected with a plurality of acceleration rate pipes (13), and a plurality of acceleration rate pipes (13) and a plurality of third gas pocket one-to-one setting, a plurality of the top rigid coupling of acceleration rate pipe (13) has orifice plate (15), a plurality of first gas pocket group has been seted up on orifice plate (15), a plurality of first gas pocket group with a plurality of acceleration rate pipe (13) one-to-one setting, first gas pocket group includes a plurality of first gas pockets (28).
4. A rigid airbag gas generator according to claim 3, wherein: the chemical cooling agent filter comprises a pore plate (15) and a first baffle (11), wherein chemical cooling agent (14) is filled between the pore plate (15) and the first baffle (11), the chemical cooling agent (14) is located in a plurality of gaps between speed increasing pipes (13), a plurality of second air holes (30) are formed in the pore plate (15), the second air holes (30) are correspondingly arranged up and down with the chemical cooling agent (14), and a second filter screen (29) is fixedly connected to the bottom surface of the pore plate (15).
5. A rigid airbag gas generator as set forth in claim 1, wherein: the first limiting mechanism comprises a plurality of first limiting mounting holes formed in the outer side wall of the top plate (20), the first limiting mounting holes are circumferentially arranged at equal intervals, one end of a first spring (21) is fixedly connected to the bottom of each first limiting mounting hole, a first pin (22) is fixedly connected to the other end of each first spring (21), the first pins (22) are slidably connected into the first limiting mounting holes, hemispherical ends are arranged at one ends, extending out of the first limiting mounting holes, of the first pins (22), the hemispherical ends extend into the hemispherical limiting holes, and hemispherical limiting Kong Kaishe is arranged on the inner side wall of the outer sleeve (2);
The second limiting mechanism and the first limiting mechanism are identical in structure.
6. A rigid airbag gas generator as set forth in claim 1, wherein: the second gas generation assembly comprises a second controller (23) fixedly connected to the top surface of the first sliding plate (16), the second controller (23) is electrically connected with a second ignition power supply (25), the second ignition power supply (25) is electrically connected with a second electronic detonator, the outer side of the second electronic detonator is coated with second ignition powder (24), the second ignition powder (24) is buried in a second gas generation agent (34), and the second gas generation agent (34) is located in the cavity.
7. The rigid airbag gas generator of claim 6 wherein: the top end of the cavity is provided with a third filter screen (33), and the third filter screen (33) is fixedly connected to the inner side wall of the second inner cylinder (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311056145.9A CN117068401B (en) | 2023-08-22 | 2023-08-22 | Hard air bag gas generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311056145.9A CN117068401B (en) | 2023-08-22 | 2023-08-22 | Hard air bag gas generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117068401A CN117068401A (en) | 2023-11-17 |
| CN117068401B true CN117068401B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311056145.9A Active CN117068401B (en) | 2023-08-22 | 2023-08-22 | Hard air bag gas generator |
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| Country | Link |
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| CN (1) | CN117068401B (en) |
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| Title |
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| 烟火型气体发生器气体冷却技术研究进展;李畅, 杜志明;含能材料;20041030(05);全文 * |
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