CN107796270A - A kind of delay igniter - Google Patents
A kind of delay igniter Download PDFInfo
- Publication number
- CN107796270A CN107796270A CN201711225050.XA CN201711225050A CN107796270A CN 107796270 A CN107796270 A CN 107796270A CN 201711225050 A CN201711225050 A CN 201711225050A CN 107796270 A CN107796270 A CN 107796270A
- Authority
- CN
- China
- Prior art keywords
- delay
- output end
- extension part
- input
- amorce
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003814 drug Substances 0.000 claims abstract description 38
- 239000000203 mixture Substances 0.000 claims description 21
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 13
- 229910052750 molybdenum Inorganic materials 0.000 claims description 10
- 239000011733 molybdenum Substances 0.000 claims description 10
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims description 10
- RBGOCSKFMWMTRZ-UHFFFAOYSA-M potassium picrate Chemical class [K+].[O-]C1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O RBGOCSKFMWMTRZ-UHFFFAOYSA-M 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 3
- 239000003721 gunpowder Substances 0.000 claims description 2
- 239000002966 varnish Substances 0.000 claims description 2
- 150000005207 1,3-dihydroxybenzenes Chemical class 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000977 initiatory effect Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 235000015842 Hesperis Nutrition 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 235000012633 Iberis amara Nutrition 0.000 description 1
- 238000012356 Product development Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 235000019658 bitter taste Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 208000018875 hypoxemia Diseases 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 235000020004 porter Nutrition 0.000 description 1
- 150000003109 potassium Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C11/00—Electric fuzes
- F42C11/06—Electric fuzes with time delay by electric circuitry
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G15/00—Devices or methods for influencing weather conditions
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B25/00—Compositions containing a nitrated organic compound
- C06B25/04—Compositions containing a nitrated organic compound the nitrated compound being an aromatic
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B33/00—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Atmospheric Sciences (AREA)
- Environmental Sciences (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Emergency Lowering Means (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a kind of delay igniter, belong to civilian initiating equipment production field, including point of amorce, input, extension part and output end, the point of amorce, input, extension part and output end are set gradually, and the point of amorce uses combined type medicine head；The present invention realizes high accuracy, high reliability, the advantage of high effect propety, solve solve current corresponding dual-use time-delay fuze misfire, cutoff, it is higher the problems such as；Extension product can be promoted the security and accuracy of hoisting device, not only can to provide reliable sound assurance for the advance of national hail-proof rain-increasing practice technology in multi-field application；The delay igniter product can enter dual-use market simultaneously, can be applied on polytypic, multi-field rocket, guided missile, the high-precision long delay technology possesses the application of civil engineering projects in addition, has wide market prospects.
Description
Technical field
The present invention relates to civilian initiating equipment production field, more particularly to a kind of delay igniter.
Background technology
Weather modification is based on cloud precipitation physics achievement in research, particularly using cumulus as the artificial of object
Rain test.Hail-proof rain-increasing power tool experienced by differences such as native big gun, domestically made rocket to antiaircraft gun, new rockets both at home and abroad at present
Developing period.It is mainly to pass through the disposable acting of Fire load in shell that native big gun, antiaircraft gun, which carry out hail-proof rain-increasing operation, will be changed
Learn conversion of heat into kinetic energy, overcome Action of Gravity Field that the material for influenceing weather is transmitted into atmosphere, due to shell penetrate it is high relatively low,
Often fall flat；Domestically made rocket, new rocket use rocket launching mechanism, are made by the delay of delay igniter
With rocket launching is treated to predetermined high point, delay igniter is acted on after rocket is completed parachute-opening function, continuous action certain time,
The material for influenceing weather preferably can be dispersed in predetermined atmosphere, obtain good hail-proof rain-increasing effect.But this mode,
The problems such as generally existing time-delay fuze misfire rate and cutoff rate are high at present, delay is short, delay precision is poor.
Specification and development with hail-proof rain-increasing operation, the requirement more and more higher to hail-proof rain-increasing power tool.Hail suppression increases
The development of rain operation technique will develop towards high accuracy, high reliability, high effect propety direction, therefore also to this technology
Key effect device-delay igniter has corresponding requirement：High accuracy, long delay, high reliability.This project is with high accuracy
The research of long delay igniter is the theme with application, mainly solves the time-delay fuze misfire rate of current hail-proof rain-increasing rocket and breaks
The problems such as fiery rate is high, delay is short, delay precision is poor.Promote extension priming system simultaneously in multi-field application, hoisting device
Security, accuracy and environmental suitability.
The extension time of current extension priming system is largely not higher than 20s, and misfire rate and cutoff rate are higher, are delayed
Precision is poor.The extension time of traditional handicraft, its worst error exceeded ± 1s, because the delay element of long delay is all by taking 16s as an example
The form of inner tube is made, although its misfire rate is not high, cutoff rate is up to 1%.
The content of the invention
The purpose of the present invention, which is that, provides a kind of new delay igniter, to solve the above problems.
To achieve these goals, the technical solution adopted by the present invention is such：A kind of delay igniter, including ignition charge
Head, input, extension part and output end, the point of amorce, input, extension part and output end are set gradually, described
Point of amorce uses combined type medicine head.
Point of amorce the detonation of medicine head can be ensured using combined type medicine head and release high-energy lights input medicament can
By property；Moreover, combined type medicine head can not only meet the safeguard protection to sensitive medicaments, while it also can guarantee that the safety of production process
Problem.Guarantee is improved for sensitive electric igniting element security；
Input is set, passes fire series（That is point of amorce → input → ignition part, the order of this igniting）Establishment, really
The delay powder of extension part can securely and reliably be lighted by protecting；
Output end is set, the ignition ability of extension component ends can be improved, it is ensured that the next stage arrangement of arming delay device reliable ignition；
As preferable technical scheme：Waterproof layer is additionally provided with, the waterproof layer coats input, extension part and the output
End.
Safe and reliable waterproof layer is able to ensure that the delay igniter of the present invention in the various complex environments such as humidity, low temperature
Under safe and reliable completion proper function.
As further preferred technical scheme：The waterproof layer uses external application varnish class waterproof layer.It can play specific
Water-proof function, and do not influence the present invention ignition performance.
As preferable technical scheme：The combined type medicine head is with trinitroresorein salt sensitive medicaments and bitter taste
The combined type medicine head that sour potassium class Insensitive Composition combines, the two percent mass ratio are as follows：
Trinitroresorein salt sensitive medicaments：30%~60%
Potassium picrate class Insensitive Composition：40%~70%
Combination is that Insensitive Composition coats sensitive medicaments.
As preferable technical scheme：The input medicament, output end medicament, which are selected, has rapid, the thermal discharge height that burns
Ignition charge.Input and output end housing are Can.The so-called input of the present invention and output end, refer to one piece of metal
Shell, loads a number of ignition charge, and shell plays fixing point gunpowder.
As preferable technical scheme：The delay powder of the extension part uses molybdenum delay composition：
The molybdenum delay composition, is counted in mass ratio：Molybdenum powder 15%~20%；Potassium bichromate 40%~80%；Molybdenum trioxide 1%~10%.
As further preferred technical scheme：The mixed prescription formula of the delay powder is dry-mixed.
It is different from traditional delay powder and mixes prescription formula, the mixed prescription formula of traditional delay powder is wet mixing, and addition is alcohol, is lacked
It is 1. inflammable to put, and the delay powder after 2. wet mixings needs drying 3. to need cleaning equipment；The present invention is dry-mixed to be operated above, letter
It is single, quick, dangerous low.
As technical scheme still more preferably：The mixed prescription formula is：The screen cloth of the mesh of 20 mesh~100；The mixed number of sieve
For 5~20 times.
As preferable technical scheme：A diameter of 2mm~the 5mm of medicine core of the extension part.
The medicine core diameter of appropriate extension part further solves delay powder on the premise of delay element precision is ensured and broken
The problems such as fire, misfire.
The present invention is produced a kind of satisfaction and increased in hail suppression using the manufacture craft of new defering medicine prescription and delay element
During rain rocket bomb transmitting acceleration, gravity, low pressure, humidity, hypoxemia, high temperature, low temperature and windage etc. it is various it is complicated because
The extension part of predetermined extension time function is completed under the influence of element.
So that the present invention delays time 33s as an example, the present invention can accomplish error in ± 1.0s, misfire rate is zero, that is, is existed
In 1000 experiments, without the generation of 1 hair misfire, for cutoff rate in 0.90 confidence level, cutoff rate is 1.9 ‰.Through experiment, make
After the present invention, delaying the time can be（20~60）In the range of s, error is ± 1.0s, and not only delay precision improves, Er Qiefa
Fiery reliability also greatly improves.
Compared with prior art, the advantage of the invention is that：The present invention realizes high accuracy, high reliability, high functionality
Can advantage, solve solve current corresponding dual-use time-delay fuze misfire, cutoff, it is higher the problems such as.It is of the invention high
After precision long delay igniter product development success, promote extension product in multi-field application, the security of hoisting device
And accuracy, while to promote social resources optimization, active response national policy, accelerate the process of defense technology have it is important
Meaning.Reliable sound assurance not only can be provided for the advance of national hail-proof rain-increasing practice technology；Dark Ignition dress simultaneously
Dual-use market can be entered by putting product, can be applied on polytypic, multi-field rocket, guided missile, in addition the high accuracy
Long delay technology possesses the application of civil engineering projects, has wide market prospects.
Brief description of the drawings
Fig. 1 is the structural representation of the delay igniter of the embodiment of the present invention 1.
In figure：1st, point of amorce；2nd, input；3rd, extension part；4th, output end；5th, waterproof layer.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment 1：
Referring to Fig. 1, a kind of delay igniter, including point of amorce 1, input 2, extension part 3, output end 4 and waterproof layer
5, the point of amorce 1, input 2, extension part 3 and output end 4 are set gradually, and the waterproof layer 5 is coated on whole extension
The periphery of igniter, that is, coat the input, extension part and output end, and the waterproof layer 5 of the present embodiment is clear using external application
Paint class waterproof layer；
The point of amorce 1 uses combined type medicine head, and the combined type medicine head is with trinitroresorein salt sensitive medicaments
The combined type medicine head combined with potassium picrate class Insensitive Composition, the two percent mass ratio are as follows：
Trinitroresorein salt sensitive medicaments：30%
Potassium picrate class Insensitive Composition： 70%
Combination is that Insensitive Composition coats sensitive medicaments；
The delay powder of the extension part 3 of the present embodiment uses molybdenum delay composition：
Molybdenum delay composition, count in mass ratio：Molybdenum powder 20%；Potassium bichromate 70%；Molybdenum trioxide 10%；
The mixed prescription formula of the delay powder of the present embodiment is dry-mixed：The screen cloth of 50 mesh；The mixed number of sieve is 15 times；
Using the delay igniter of the present embodiment, precision when the extension time of obtained delay igniter is 33s for ±
0.91s, misfire rate is 0 and cutoff rate is 1.9 ‰
Its action principle：Electric current → medicine head is lighted in payment to a porter → igniter wire is generated heat → → input medicament that ignites → extension component → output
Hold medicament → next stage arrangement.
Embodiment 2
The point of amorce 1 of the present embodiment, trinitroresorein salt sensitive medicaments and potassium picrate class Insensitive Composition combination and
Into combined type medicine head, the two mass ratio is as follows：
Trinitroresorein salt sensitive medicaments：60%
Potassium picrate class Insensitive Composition： 40%
Remaining is same as Example 1, and the precision when extension time of obtained delay igniter is 33s is ± 0.99s, misfire
Rate is 0 and cutoff rate is 1.9 ‰.
Embodiment 3
The delay powder of the extension part 3 of the present embodiment uses molybdenum delay composition：Molybdenum delay composition, count in mass ratio：Molybdenum powder 20%；
Potassium bichromate 70%；Molybdenum trioxide 10%；
Remaining is same as Example 1, and the precision when extension time of obtained delay igniter is 33s is ± 0.90s, misfire
Rate is 0 and cutoff rate is 1.8 ‰.
Embodiment 4
The delay powder of the extension part 3 of the present embodiment uses molybdenum delay composition：
Molybdenum delay composition, count in mass ratio：Molybdenum powder 15%；Potassium bichromate 80%；Molybdenum trioxide 5%；
Remaining is same as Example 1, and the precision when extension time of obtained delay igniter is 33s is ± 0.95s, misfire
Rate is 0 and cutoff rate is 1.8 ‰.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (9)
- A kind of 1. delay igniter, it is characterised in that：Including point of amorce, input, extension part and output end, the point Gunpowder head, input, extension part and output end are set gradually, and the point of amorce uses combined type medicine head.
- A kind of 2. delay igniter according to claim 1, it is characterised in that：It is additionally provided with waterproof layer, the waterproof Layer coats input, extension part and the output end.
- A kind of 3. delay igniter according to claim 2, it is characterised in that：The waterproof layer uses external application varnish class Waterproof layer.
- A kind of 4. delay igniter according to claim 1, it is characterised in that：The combined type medicine head is with trinitro- The combined type medicine head that resorcinol salt sensitive medicaments and potassium picrate class Insensitive Composition combine, the two percent mass ratio It is as follows：Trinitroresorein salt sensitive medicaments：30%~60%Potassium picrate class Insensitive Composition：40%~70%Combination is that Insensitive Composition coats sensitive medicaments.
- A kind of 5. delay igniter according to claim 1, it is characterised in that：The input medicament, output end medicine Agent is selected with the ignition charge that burning is rapid, thermal discharge is high, and the input, output end shell is Can.
- A kind of 6. delay igniter according to claim 1, it is characterised in that：The delay powder of the extension part uses Molybdenum delay composition：The molybdenum delay composition, is counted in mass ratio：Molybdenum powder 15%~20%；Potassium bichromate 40%~80%；Molybdenum trioxide 1%~10%.
- A kind of 7. delay igniter according to claim 6, it is characterised in that：The mixed prescription formula of the delay powder is dry It is mixed.
- A kind of 8. delay igniter according to claim 7, it is characterised in that：The mixed prescription formula is：20 mesh~100 Purpose screen cloth；The mixed number of sieve is 5~20 times.
- A kind of 9. delay igniter according to claim 1, it is characterised in that：The medicine core of the extension part is a diameter of 2mm~5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711225050.XA CN107796270A (en) | 2017-11-29 | 2017-11-29 | A kind of delay igniter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711225050.XA CN107796270A (en) | 2017-11-29 | 2017-11-29 | A kind of delay igniter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107796270A true CN107796270A (en) | 2018-03-13 |
Family
ID=61537862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711225050.XA Pending CN107796270A (en) | 2017-11-29 | 2017-11-29 | A kind of delay igniter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107796270A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108264443A (en) * | 2018-04-11 | 2018-07-10 | 陈炜 | A kind of detonator delay medicine by chemically reacting preparation |
| CN109429848A (en) * | 2019-01-07 | 2019-03-08 | 喀喇沁左翼蒙古族自治县气象局 | A kind of balloon carries agi pyrotechnic and increases sleet device and its control method |
| CN110057255A (en) * | 2019-05-15 | 2019-07-26 | 南京理工大学 | A kind of electronic delay ignition device emitted for being classified coyote hole fire extinguisher bomb |
| CN115594555A (en) * | 2022-09-23 | 2023-01-13 | 西安庆华民用爆破器材股份有限公司（Cn） | Environment-friendly high-temperature-resistant ignition agent |
| CN115900452A (en) * | 2022-10-09 | 2023-04-04 | 新余国科特种装备有限公司 | A multi-channel delay ignition device for anti-hail and rain-increasing rockets |
| US11988173B2 (en) | 2020-10-21 | 2024-05-21 | Raytheon Company | Multi-pulse propulsion system with passive initiation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4369708A (en) * | 1979-09-21 | 1983-01-25 | E. I. Du Pont De Nemours And Company | Delay blasting cap |
| CN101029814A (en) * | 2007-01-26 | 2007-09-05 | 中国科学技术大学 | Detonator excimer and detonator therewith |
| CN202284930U (en) * | 2011-10-19 | 2012-06-27 | 江西新余国泰特种化工有限责任公司 | Long-delay second detonating tube detonator |
| CN204421775U (en) * | 2014-12-12 | 2015-06-24 | 安徽理工大学 | A kind of electric cap of novel screw type delay element structure |
| CN204438930U (en) * | 2014-12-26 | 2015-07-01 | 雅化集团绵阳实业有限公司 | A kind of high accuracy long delay detonator |
| CN205262306U (en) * | 2015-12-16 | 2016-05-25 | 西安庆华民用爆破器材股份有限公司 | Seismic prospecting electric cap |
-
2017
- 2017-11-29 CN CN201711225050.XA patent/CN107796270A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4369708A (en) * | 1979-09-21 | 1983-01-25 | E. I. Du Pont De Nemours And Company | Delay blasting cap |
| CN101029814A (en) * | 2007-01-26 | 2007-09-05 | 中国科学技术大学 | Detonator excimer and detonator therewith |
| CN202284930U (en) * | 2011-10-19 | 2012-06-27 | 江西新余国泰特种化工有限责任公司 | Long-delay second detonating tube detonator |
| CN204421775U (en) * | 2014-12-12 | 2015-06-24 | 安徽理工大学 | A kind of electric cap of novel screw type delay element structure |
| CN204438930U (en) * | 2014-12-26 | 2015-07-01 | 雅化集团绵阳实业有限公司 | A kind of high accuracy long delay detonator |
| CN205262306U (en) * | 2015-12-16 | 2016-05-25 | 西安庆华民用爆破器材股份有限公司 | Seismic prospecting electric cap |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108264443A (en) * | 2018-04-11 | 2018-07-10 | 陈炜 | A kind of detonator delay medicine by chemically reacting preparation |
| CN109429848A (en) * | 2019-01-07 | 2019-03-08 | 喀喇沁左翼蒙古族自治县气象局 | A kind of balloon carries agi pyrotechnic and increases sleet device and its control method |
| CN110057255A (en) * | 2019-05-15 | 2019-07-26 | 南京理工大学 | A kind of electronic delay ignition device emitted for being classified coyote hole fire extinguisher bomb |
| US11988173B2 (en) | 2020-10-21 | 2024-05-21 | Raytheon Company | Multi-pulse propulsion system with passive initiation |
| CN115594555A (en) * | 2022-09-23 | 2023-01-13 | 西安庆华民用爆破器材股份有限公司（Cn） | Environment-friendly high-temperature-resistant ignition agent |
| CN115900452A (en) * | 2022-10-09 | 2023-04-04 | 新余国科特种装备有限公司 | A multi-channel delay ignition device for anti-hail and rain-increasing rockets |
| CN115900452B (en) * | 2022-10-09 | 2025-04-01 | 新余国科特种装备有限公司 | A multi-channel delayed ignition device for hail-proof and rain-enhancing rockets |
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Application publication date: 20180313 |