CN104154825B - A kind of bait gas generator - Google Patents
A kind of bait gas generator Download PDFInfo
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- CN104154825B CN104154825B CN201310179193.7A CN201310179193A CN104154825B CN 104154825 B CN104154825 B CN 104154825B CN 201310179193 A CN201310179193 A CN 201310179193A CN 104154825 B CN104154825 B CN 104154825B
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- cylindrical shell
- medicine glass
- igniter
- combustion chamber
- gas generator
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Abstract
A kind of bait gas generator, there is igniter cover cylindrical shell upper end, and there is connection end cap lower end; Cylinder lumen is divided into one, two, three combustion chamber; In cylindrical shell, screen pack is arranged at bottom; Cylindrical shell barrel has more than one exhaust outlet; Medicine glass I, II is had in three grades of combustion chambers; Cooling agent is had in medicine glass I, II; All bottom outlet is had bottom medicine glass I, II; Buffer unit is arranged at medicine glass I top; There are gas production charge column, aerogenesis tablet in secondary firing indoor; There are cartridge case, buffer unit, dividing plate II in single-stage combustion indoor, ignite tablet; Ignite in tablet centre bore and have a powder grain; Dividing plate I, igniter are arranged at tablet top of igniting; Pulling pin of igniter upper end is stretched out outside igniter cover; The barrel of cartridge case there is air discharge duct; Porose bottom cartridge case; Exhaust passage is had between gas production charge column and secondary combustion chamber's cylinder inboard wall.It is adjustable that gas of the present invention has the duration of ignition, and interior pressure is little, and radial dimension is little, and outlet temperature is low, pressure adjustable, pressure repeat to stablize, and filters the advantages such as good, overload-resistant.
Description
Technical field
The present invention relates to a kind of capsule clothing to bait bullet and the high-altitude gas generator with uniform temperature air-flow is provided.After rocket projectile, shell and MISSILE LAUNCHING, the infrared thermal source of this physical efficiency of generator, and fill hot gas to air bag.
Background technology
At present, the common gas generator for airbag aeration has pie and tubular two kinds, and its structure is mainly assembled by ignition system, gas producing medicinal, filtration/cooling system, metal shell and metal film.When an extraneous signal of telecommunication effect, electric detonator in ignition system is excited and point of ignition gunpowder, the high-temperature particle that ignition charge produces or high temperature gas flow are by lighting the gas generant composition in accordance in combustion chamber after fire hole, gas generant composition in accordance produce a large amount of gases at high pressure after filtration/cooling system slagging-off and cooling after break through metal film, discharge from the exhaust outlet metal shell, and complete the gas replenishment process to air bag.But this kind of generator all has very high requirement to the intensity of air bag; Working time is very of short duration, usually at about 40ms; Outlet gas temperature is high and have flame to spray.
Summary of the invention
The object of the invention is to overcome the above-mentioned deficiency of prior art and provide a kind of bait gas generator, it facilitates capsule clothing to fold, and is convenient to install, and avoids female restriction playing narrow space.
Technical scheme of the present invention is: cylindrical shell upper end is provided with igniter cover, and lower end is provided with connection end cap; Cylinder lumen is divided into three parts, is followed successively by from top to bottom: first-stage firing chamber, secondary combustion chamber, three grades of combustion chambers;
In described cylindrical shell, bottom is provided with screen pack; The corresponding screen pack place of described cylindrical shell barrel is provided with more than one exhaust outlet; Medicine glass II is provided with in three grades of combustion chambers on described screen pack top; Medicine glass II top is provided with medicine glass I; Cooling agent is provided with in described medicine glass I, medicine glass II; The medicine glass II bottom outlet be connected with exhaust outlet is provided with bottom medicine glass II; The medicine glass I bottom outlet be connected with secondary combustion chamber is provided with bottom medicine glass I;
Described medicine glass I top is provided with buffer unit one; The secondary combustion chamber on buffer unit one top is built with gas production charge column; Gas production charge column top is provided with aerogenesis tablet;
The single-stage combustion indoor on described aerogenesis tablet top are provided with cartridge case; Described cartridge case bottom is provided with buffer unit two; Buffer unit two top is provided with dividing plate II; Dividing plate II top is provided with the tablet that ignites; The centre bore of the described tablet that ignites is built with igniting powder; Tablet top of igniting is provided with dividing plate I; Dividing plate I top is provided with igniter; Pulling pin of igniter upper end is stretched out outside igniter cover;
The barrel of described cartridge case is provided with air discharge duct; The hole be connected with secondary combustion chamber is furnished with bottom described cartridge case;
Exhaust passage is provided with between described gas production charge column and secondary combustion chamber's cylinder inboard wall.
Described gas production charge column has tapering, and its tapering is 2 degree ~ 5 degree; Described gas production charge column through holding greatly locating ring, small end locating ring is fixed on cylinder inboard wall.
Cylindrical shell between described secondary combustion chamber, three grades of combustion chambers is circumferentially provided with the recess be inwardly recessed; Described recess is the pit of an annular groove or the segments in a circular shape groove be made up of two or more groove or more than three.
Described cylindrical shell corresponds to three grades of combustion chambers place and is provided with for locating the topping bar, for locating getting out of a predicament or an embarrassing situation of screen pack of medicine glass II.
Described cylindrical shell is coated with heat insulation layer corresponding on the outer wall at three grades of combustion chambers place; Described heat insulation layer is loaded on the draw-in groove of cylinder body outer wall.
Described cylindrical shell upper end, lower end are provided with for mounting points firearm cover, the internal thread connecting end cap; Described upper end internal thread is contrary with the thread rotary orientation of lower end internal thread; Described igniter cover, link cover the external screw thread be provided with for being connected with screw-internal thread fit on cylindrical shell.
Described medicine glass I is provided with for making the smooth and easy side channel flowing to three grades of combustion chambers of gas.
The draw ratio of described cylindrical shell is 5 ~ 10.
Described exhaust outlet is 2 ~ 6, is evenly arranged along cylindrical shell circumference.
Described igniter is adopt the mechanical point firearm axially drawing and send out.
The present invention by adopt the design of suitable medicine shape, unique exhaust passage set-up mode, cooling agent rational deployment form, axially draw and send out a sparking mode, free style filling prescription formula, large draw ratio design form, reasonable arrangement to each combustion chamber, realize longevity of service, chamber pressure is low, outlet pressure is steady, filtration is good, the feature that outlet temperature is low, cleaning gas, residue are few.By rational layout, the design of medicine glass, cartridge case, buffer unit and locating slot, guarantees that medicament is squeezed not bad under high overload, keeps smooth combustion state.
Feature of the present invention is:
1) the present invention can be applicable to various shell, rocket projectile, guided missile transmitted at high speed occasion, for inflating and producing the function of infrared signature signal.
2) outlet pressure adjustment means are flexible, and owing to adopting the mode of free loading propellant medicine, outlet pressure can be adjusted by tablet thickness and diameter and dose.
3) generator draw ratio is high, overall in long tubular.
4) generator adopts axial force to draw and sends out igniter, and igniting is reliable.
5) generator exhaust passage is long, and gas cooling fully.
6) generator exhaust port area is large, and chamber pressure is low.
7) cooling agent is adopted gas to be carried out to the adjustment of temperature.Cooling agent is arranged on the position of adjacent exhaust outlet, ensure that all gas all can effectively be lowered the temperature.
8) combustion chamber is relatively independent, and medicament wherein can not extrude mutually, can protect medicament, ensure that the reliability of burning.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure, 1 igniter cover, 2 cartridge cases, 3 igniters, 4 cylindrical shells, 5 dividing plate I, 6 ignite tablet, 7 igniting powders, 8 dividing plate II, 9 buffer units, 10 aerogenesis tablets, 11 gas production charge columns, 12 buffer units, 13 medicine glass I, 14 medicine glass II, 15 cooling agents, 16 screen packs, 17 connect end cap, 18 first-stage firing chambers, 19 secondary combustion chamber, 20 3 grades of combustion chambers, 21 get out of a predicament or an embarrassing situation, 22 hold locating ring greatly, 23 small end locating rings, 25 exhaust passages, 26 heat insulation layers, 27 recesses, 28 exhaust outlets, 29 draw-in grooves, 30 medicine glass I end faces, 31 air discharge ducts, 32 first-stage firing chamber cylinder inboard walls, 33 pull pin, 34 centre bores, 35 cylinder inboard walls, 36 medicine glass I bottom outlets, 37 side channels, 38 medicine glass II bottom outlets, 39 top bar.
Detailed description of the invention
In Fig. 1, main body of the present invention by the metal igniter of the metal cylindrical shell such as a section of steel alloy, stainless steel, mild steel 4 and the duralumin, superduralumin etc. that are fixed on cylindrical shell 4 two ends overlap 1 be connected end cap 17 and form.Cylindrical shell 4 draw ratio, between 5 ~ 10, can ensure that capsule clothing folds minimizing of rear whole bait volume like this.Because the diameter of female bullet is determined, ensure that bait can load wherein smoothly, strictly must control its radial dimension, less volume is convenient to shoot on the one hand, capsule clothing can be avoided under very large extruding force to cause damage on the other hand.
Cylindrical shell 4 two ends are processed with the contrary screw thread of rotation direction, the mode be threaded connection and igniter cover and is connected end cap and connects, by arrange derotation to screw thread avoid and in the process of volume capsule clothing, cause igniter to overlap or phenomenon that connection end cap gets loose.Cylindrical shell wall thickness is within the scope of 0.2 ~ 1.5mm, can bear larger interior pressure.
In cylindrical shell 4, space is divided into three parts, comprises first-stage firing chamber 18, secondary combustion chamber 19, three grades of combustion chambers 20.First-stage firing chamber 18, secondary combustion chamber 19, three grades of combustion chambers 20, axially contacting, communicate between each combustion chamber.Generator Chinese medicine burning order is: first-stage firing chamber 18 Chinese medicine first burns, then be the medicament burning in secondary combustion chamber 19, the high temperature gas flow that medicament burning in I and II combustion chamber produces and/or hot particle when three grades of combustion chambers 20, the medicament that can ignite in three grades of combustion chambers 20.
Mechanical type igniter 3 and cartridge case 2 is had in first-stage firing chamber 18.Mechanical point firearm 3 will be pulled pin (axially draw send out) by axial force and 33 be extracted and excite.Withdrawal force is less than 100 Newtonian times, pulls pin 33 can not to be pulled out.When withdrawal force is greater than 100 Newtonian times, pulling pin 33 can be pulled out.Igniter by axial force draw send out after, first light the medicament in first-stage firing chamber 18.Adopt axial force to draw the mode sent out, make structure of the present invention simple, igniting is reliable.
Buffer unit 9, dividing plate II8, igniting powder 7 are housed in cartridge case 2 successively, ignite tablet 6 and dividing plate I5; Ignite tablet 6 centre bore 34 in be packaged with igniting powder 7, igniting powder 7 specification is 8 ~ 12 orders.Igniting powder is encapsulated by nitrocellulose solution.Cartridge case 2 side processes the symmetrical air discharge duct of multiple circumference 31.Air discharge duct 31 length extends to the end face of cartridge case 2 always, and number is 2 ~ 6,4 the bests.Exhaust passage is formed between air discharge duct 31 on cartridge case 2 sidewall and first-stage firing chamber cylinder inboard wall 32.The axial section shape of air discharge duct 31 is rectangle and/or circular arc.Buffer unit 9 in cartridge case 2 has that elasticity is moderate, hardness is moderate, permanent deformation resistance is strong, aging-resistant feature, can be rubber ring, rubber blanket, metal spring and/or elastic sheet metal, under the load being greater than 2000 acceleration of gravity, breakage can not occur with the tablet 6 that ignites by guarantee point powder grain 8.Cartridge case 2 bottom part is furnished with the hole of different-diameter.
Igniter cover 1 is processed with screw thread, by connecting in the screw thread at precession cylindrical shell 4 two ends with being connected on the axial lateral wall of end cap 17.The thread rotary orientation that igniter overlaps on 1 axial lateral wall is contrary with the thread rotary orientation be connected on the axial lateral wall of end cap 17: when the igniter thread rotary orientation overlapped on 1 axial lateral wall is dextrorotation, and the thread rotary orientation connected on the axial lateral wall of end cap 17 is left-handed; When the igniter thread rotary orientation overlapped on 1 axial lateral wall is left-handed, the thread rotary orientation connected on the axial lateral wall of end cap 17 is dextrorotation.
Buffer unit 12, gas production charge column 11, aerogenesis tablet 10 are housed in secondary combustion chamber 19 successively; Gas production charge column 11 has certain tapering, and tapering is within the scope of 2 degree ~ 5 degree.Gas production charge column 11 two ends are equipped with large end locating ring 22 and small end locating ring 23 respectively.The zinc-plated carbon steel that large end locating ring 22 and small end locating ring 23 are 0.2 millimeter ~ 1 millimeter by thickness is made, and has three or four pawls.By large end locating ring 22 and small end locating ring 23, between gas production charge column 11 and cylinder inboard wall 35, form exhaust passage 25.Exhaust passage 25 is formed by the gap between gas production charge column 11 and cylindrical shell 4 inwall, adopt the mode of side direction circumferential weld exhaust, on the one hand due to initial combustion face and the exhaust outlet distance of burning, all gas all flows through powder column outer wall and cooling agent, can produce good cooling-down effect to gas; On the other hand, the passage of gas runs through whole generator, and high-temperature gas can heat uniformly to cylindrical shell, makes generator have good infrared characteristic.Buffer unit 12 has that elasticity is moderate, hardness is moderate, permanent deformation resistance is strong, aging-resistant feature, can available protecting gas production charge column 11 and aerogenesis tablet 10 not break under the load being greater than 2000 acceleration of gravity.There is cooling agent composition in gas production charge column 11, the control of temperature can be carried out gas, meanwhile, for sufficient preheating has been carried out in its smooth combustion.
Three grades of combustion chambers 20 are positioned at the end of generator, and because passage is that the gas that unique combustion chamber, front the two poles of the earth produces all will flow through this grade of combustion chamber, all gas all can fully be lowered the temperature.Medicine glass I13, cooling agent 15 and medicine glass II14 are housed in three grades of combustion chambers 20 successively.Cylindrical shell 4 corresponds to three grades of combustion chambers 20 place and is provided with and tops bar 39 for what locate medicine glass II.Medicine glass I13 bottom part is furnished with medicine glass I bottom outlet 36, the side channel 37 at the bottom of side is processed with and extends to glass.The axial cross section shape of side channel 37 is rectangle and/or circular arc.The number of side channel 37 is 3 ~ 6.The medicine glass II bottom outlet 38 be connected with exhaust outlet 28 is provided with bottom medicine glass II14.
The outer wall of cylinder section residing for three grades of combustion chambers 20 is coated with heat insulation layer 26, and heat insulation layer 26 is loaded on the draw-in groove 29 of cylindrical shell 4 outer wall, can ensure that the capsule clothing interface be connected with generator is not ruined.Heat insulation layer 26 good heat-insulation effect, in the course of work, heat insulation layer 26 temperature outside, lower than 100 DEG C, ensure that the reliable connection of capsule clothing and generator.
Secondary combustion chamber 19 and junction, three grades of combustion chambers 20 cylindrical shell are pressed with recess 27 near the position of medicine glass I13 end face 30.The form of recess 27 pit that can be the number be circumferentially equally spaced be in 3 ~ 8 scopes can be circumferentially continuous print one ring annular groove, can be circumferentially the be equally spaced number of a circle is segments in a circular shape groove in 2 ~ 6 scopes.
The barrel of cylindrical shell 4 rear end is provided with exhaust outlet 28; Exhaust outlet 28 area is large, and exhaust outlet 28 gross area is about 2 ~ 3 times of cylindrical shell cross section, effectively can reduce combustion pressure, reduces the requirement of strength of cylindrical shell 4, improves the safety coefficient of generator.Exhaust outlet 28 is uniformly distributed on the same horizontal plane of the circumference of cylindrical shell 4.The number of exhaust outlet 28 is in 2 ~ 6 scopes, and prioritizing selection 3 ~ 5, optimum is 4.The shape of exhaust outlet 28 is circular or rectangle or the rectangle with fillet.If exhaust outlet 28 is square opening, the length of side of square-section rectangle is between 10 ~ 20mm; If exhaust outlet 28 is circular port, circular section round diameter is between 10 ~ 20mm.Inside the cylinder section that cylindrical shell 4 rear end faces exhaust outlet 28, screen pack 16 is housed, can effectively filters generation gas.The unit weight of screen pack 16 is within the scope of 0.5 gram/cc ~ 1.5 grams/cc, prioritizing selection 0.8 gram/cc ~ 1.2 grams/cc, 0.9 gram/cc of optimum.Screen pack 16 21 to be positioned by getting out of a predicament or an embarrassing situation in cylindrical shell.Generator aerogenesis pressure can by regulating under three grades of combustion chambers 20 and screen pack 16 common combination effect.Generator aerogenesis temperature is within the scope of 50 DEG C ~ 150 DEG C.Cooling agent 15 in three grades of combustion chambers 20 in generator can cool the gas produced in first-stage firing chamber 18 and secondary combustion chamber 19, and cooling-down effect can be regulated by the explosive payload of cooling agent 15.
Igniter 3 is arranged in front end of the present invention, and exhaust outlet 28 is arranged in rear end of the present invention, and the gas of generation flows through through annular waste air duct from front end and discharges from exhaust outlet.Like this, gas can have time enough to go to lower the temperature, and a heat part for gas passes to cylindrical shell, makes cylindrical shell also be provided with good infrared characteristic.Igniter 3 is undertaken drawing by axial force to be sent out, and makes the duty of bait bullet more reliable.Capsule clothing is enclosed within the present invention and connects, and the temperature of junction can not be too high, otherwise the capsule clothing of junction can be scorched.The present invention is provided with thermal insulation layer in junction, available protecting connecting interface.
Claims (10)
1. a bait gas generator, is characterized in that: cylindrical shell (4) upper end is provided with igniter cover (1), and lower end is provided with and connects end cap (17); Cylindrical shell (4) inner chamber is divided into three parts, is followed successively by from top to bottom: first-stage firing chamber (18), secondary combustion chamber (19), three grades of combustion chambers (20);
Described cylindrical shell (4) interior bottom is provided with screen pack (16); Corresponding screen pack (16) place of described cylindrical shell (4) barrel is provided with more than one exhaust outlet (28); Medicine glass II(14 is provided with) in three grades of combustion chambers (20) on described screen pack (16) top; Medicine glass II(14) top is provided with medicine glass I(13); Described medicine glass I(13), medicine glass II(14) in be provided with cooling agent (15); Medicine glass II(14) bottom be provided with the medicine glass II bottom outlet (38) be connected with exhaust outlet (28); Medicine glass I(13) bottom be provided with the medicine glass I bottom outlet (36) be connected with secondary combustion chamber;
Described medicine glass I(13) top is provided with buffer unit one (12); The secondary combustion chamber (19) on buffer unit one (12) top is built with gas production charge column (11); Gas production charge column (11) top is provided with aerogenesis tablet (10);
Cartridge case (2) is provided with in the first-stage firing chamber (18) on described aerogenesis tablet (10) top; Described cartridge case (2) bottom is provided with buffer unit two (9); Buffer unit two (9) top is provided with dividing plate II(8); Dividing plate II(8) top is provided with the tablet that ignites (6); The centre bore (34) of the described tablet that ignites (6) is built with igniting powder (7); Tablet (6) top of igniting is provided with dividing plate I(5); Dividing plate I(5) top is provided with igniter (3); Pull pin (33) of igniter (3) upper end stretch out igniter cover (1) outward;
The barrel of described cartridge case (2) is provided with air discharge duct (31); Described cartridge case (2) bottom is furnished with the hole be connected with secondary combustion chamber;
Exhaust passage (25) is provided with between described gas production charge column (11) and secondary combustion chamber's cylinder inboard wall (35).
2. bait gas generator according to claim 1, is characterized in that: described gas production charge column (11) has tapering, and its tapering is 2 degree ~ 5 degree; Described gas production charge column (11) through holding greatly locating ring (22), small end locating ring (23) is fixed on cylindrical shell (4) inwall.
3. bait gas generator according to claim 1, is characterized in that: the cylindrical shell (4) between described secondary combustion chamber (19), three grades of combustion chambers (20) is circumferentially provided with the recess (27) be inwardly recessed; Described recess (27) is the pit of an annular groove or the segments in a circular shape groove be made up of two or more groove or more than three.
4. bait gas generator according to claim 1, is characterized in that: described cylindrical shell (4) is provided with top bar (39) for locating medicine glass II, for locating get out of a predicament or an embarrassing situation (21) of screen pack (16) corresponding to three grades of combustion chamber (20) places.
5. bait gas generator according to claim 1, is characterized in that: the outer wall of described cylindrical shell (4) corresponding to three grades of combustion chamber (20) places is coated with heat insulation layer (26); Described heat insulation layer (26) is loaded on the draw-in groove (29) of cylindrical shell (4) outer wall.
6. bait gas generator according to claim 1, is characterized in that: described cylindrical shell (4) upper end, lower end are provided with for mounting points firearm cover (1), the internal thread connecting end cap (17); Described upper end internal thread is contrary with the thread rotary orientation of lower end internal thread; Described igniter cover (1), connection end cap (17) are provided with the external screw thread for being connected with the upper screw-internal thread fit of cylindrical shell (4).
7. bait gas generator according to claim 1, is characterized in that: described medicine glass I(13) be provided with for making the smooth and easy side channel (37) flowing to three grades of combustion chambers (20) of gas.
8. bait gas generator according to claim 1, is characterized in that: the draw ratio of described cylindrical shell (4) is 5 ~ 10.
9. bait gas generator according to claim 1, is characterized in that: described exhaust outlet (28) is 2 ~ 6, is evenly arranged along cylindrical shell (4) circumference.
10. bait gas generator according to claim 1, is characterized in that: described igniter (3) is adopt the mechanical point firearm axially drawing and send out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310179193.7A CN104154825B (en) | 2013-05-15 | 2013-05-15 | A kind of bait gas generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310179193.7A CN104154825B (en) | 2013-05-15 | 2013-05-15 | A kind of bait gas generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104154825A CN104154825A (en) | 2014-11-19 |
| CN104154825B true CN104154825B (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310179193.7A Active CN104154825B (en) | 2013-05-15 | 2013-05-15 | A kind of bait gas generator |
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| Country | Link |
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| CN (1) | CN104154825B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238311A (en) * | 2020-03-25 | 2020-06-05 | 河南羽流智能科技有限公司 | Solid gas generating device for infrared bait |
| CN112179042B (en) * | 2020-08-27 | 2022-04-22 | 四川航天川南火工技术有限公司 | Gunpowder gas cooling device |
| WO2022042330A1 (en) * | 2020-08-27 | 2022-03-03 | 四川航天川南火工技术有限公司 | Gunpowder gas cooling apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5732972A (en) * | 1996-04-10 | 1998-03-31 | Morton International, Inc. | Cold deployment pyrotechnic inflator for air bag systems |
| CN102421642A (en) * | 2009-05-12 | 2012-04-18 | 株式会社大赛璐 | Gas generator |
| CN203249545U (en) * | 2013-05-15 | 2013-10-23 | 湖北航鹏化学动力科技有限责任公司 | Gas generator for baits |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2902060B1 (en) * | 2006-06-09 | 2008-09-05 | Livbag Soc Par Actions Simplif | "PYROTECHNIC GENERATOR OF GAS USED IN AUTOMOTIVE SAFETY" |
-
2013
- 2013-05-15 CN CN201310179193.7A patent/CN104154825B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5732972A (en) * | 1996-04-10 | 1998-03-31 | Morton International, Inc. | Cold deployment pyrotechnic inflator for air bag systems |
| CN102421642A (en) * | 2009-05-12 | 2012-04-18 | 株式会社大赛璐 | Gas generator |
| CN203249545U (en) * | 2013-05-15 | 2013-10-23 | 湖北航鹏化学动力科技有限责任公司 | Gas generator for baits |
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| CN104154825A (en) | 2014-11-19 |
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