CN216798561U - Power transmitting device - Google Patents
Power transmitting device Download PDFInfo
- Publication number
- CN216798561U CN216798561U CN202123289951.XU CN202123289951U CN216798561U CN 216798561 U CN216798561 U CN 216798561U CN 202123289951 U CN202123289951 U CN 202123289951U CN 216798561 U CN216798561 U CN 216798561U
- Authority
- CN
- China
- Prior art keywords
- combustion cylinder
- cylinder
- assembly
- tail
- main combustion
- 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.)
- Active
Links
Images
Landscapes
- Portable Nailing Machines And Staplers (AREA)
Abstract
A power launching device comprises a warhead, a dry powder cylinder, a main combustion cylinder and a tail spraying pipe which are connected in sequence, wherein a secondary combustion cylinder is coaxially arranged in the dry powder cylinder, and fire extinguishing dry powder is filled between the outer wall of the secondary combustion cylinder and the inner wall of the dry powder cylinder; a secondary ignition and detonation assembly is arranged at the joint of the dry powder cylinder and the main combustion cylinder, a timer and an inflation channel are arranged in the secondary ignition and detonation assembly, one end of the inflation channel is communicated with the interior of the secondary combustion cylinder, and the other end of the inflation channel is communicated with the interior of the main combustion cylinder through a locking assembly; the main ignition assembly is arranged at the joint of the main combustion cylinder and the tail spraying pipe, the tail end of the tail spraying pipe is provided with a thin film sheet, the side wall of the tail spraying pipe is provided with an inflation valve, and the main ignition assembly is communicated with the main combustion cylinder and the tail spraying pipe. In the utility model, no fuel gas is added in the production, assembly and transfer processes of the whole device, and the mixed gas of methane and air is added when the device is positioned on a fire extinguishing site so as to ensure the safety of the production and transportation processes.
Description
Technical Field
The utility model relates to the technical field of fire fighting equipment, in particular to a power transmitting device.
Background
The fire extinguishing bomb is one way of extinguishing fire in long distance or high building. The existing launching type fire extinguishing systems have two types, one type adopts high-pressure air, high-pressure gas generated by a gas generator or gunpowder as power, the high-pressure gas directly carries the bulk powder to be sprayed out from a launcher at high speed, the bulk fire extinguishing powder is sprayed to a fire scene to extinguish fire, and the projection height or distance of the mode is limited, so that the fire extinguishing systems cannot be generally used for fire extinguishing of high-rise buildings. The other is a launching fire extinguishing bomb, which adopts a rocket to carry fire extinguishing agent or adopts an air cannon, a barrel and the like to launch a fire extinguishing warhead to realize high-rise building or remote fire extinguishing, generally, a back-spray combustion chamber with a propelling function is arranged on a dry powder fire extinguishing bomb body, a launching gunpowder is filled in the combustion chamber, and the fire extinguishing system is launched by a guiding gun barrel, wherein the launching is to utilize the recoil function during combustion to throw the warhead to a fire scene.
The existing fire extinguishing bomb launching device adopts gunpowder as a power source, and the gunpowder is loaded in the production, installation, storage and transportation processes of the cannonball, so that the existing fire extinguishing bomb has great potential safety hazard and is not beneficial to civil production and popularization.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims to provide a power transmitting device, which adopts methane as fuel to replace the existing gunpowder power source so as to reduce the potential safety hazard.
A power launching device comprises a warhead, a dry powder cylinder, a main combustion cylinder and a tail spraying pipe which are connected in sequence, wherein a secondary combustion cylinder is coaxially arranged in the dry powder cylinder, and fire extinguishing dry powder is filled between the outer wall of the secondary combustion cylinder and the inner wall of the dry powder cylinder;
a secondary ignition detonation assembly is arranged at the joint of the dry powder cylinder and the main combustion cylinder, a timer and an inflation channel are arranged in the secondary ignition detonation assembly, one end of the inflation channel is communicated with the interior of the secondary combustion cylinder, and the other end of the inflation channel is communicated with the interior of the main combustion cylinder through a locking assembly;
the main combustion cylinder is characterized in that a main ignition assembly is installed at the joint of the main combustion cylinder and the tail spraying pipe, a thin film sheet is arranged at the tail end of the tail spraying pipe, an inflation valve is arranged on the side wall of the tail spraying pipe, the main ignition assembly is communicated with the main combustion cylinder and the tail spraying pipe, and the inflation valve is used for sequentially filling mixed gas of methane and air into the main combustion cylinder and the secondary combustion cylinder.
Compared with the prior art, the power transmitting device has the advantages that fuel gas is not filled in the production, assembly and transfer processes of the whole device, mixed gas of methane and air is filled only when the device is positioned on a fire extinguishing site, so that the safety of the production and transportation processes is ensured, and the methane is used as fuel, so that the power transmitting device is more convenient to obtain compared with gunpowder solid fuel, and can be widely applied to various devices needing flying power.
Further, the secondary ignition and detonation assembly comprises a connecting clamping plate for connecting the dry powder cylinder and the main combustion cylinder, and an installation cylinder arranged on the connecting clamping plate in a penetrating manner;
a locking assembly is arranged at the end part of one end of the mounting cylinder, which is positioned in the main combustion cylinder;
the installation cylinder is arranged on one end part of the dry powder cylinder, the secondary ignition assembly is arranged on the other end part of the installation cylinder, the secondary combustion cylinder is connected to the other end of the secondary ignition assembly, and the secondary combustion cylinder is connected with the warhead.
Further, the inflation channel comprises a first channel in a side wall of the mounting cylinder and a second channel in a bottom;
one end of the second channel is communicated with the locking assembly, and the other end of the second channel is communicated with the secondary ignition assembly through the first channel.
Further, the secondary ignition assembly comprises a secondary ignition head mounted on the mounting cylinder and a secondary igniter covering the secondary ignition head, and the end part of the secondary igniter extends into the secondary combustion cylinder;
the secondary ignition head is provided with a first through hole communicated with the first channel, the end part of the secondary ignition device is provided with a second through hole, and the inside of the secondary ignition device is communicated with the inside of the secondary combustion cylinder through the second through hole.
Furthermore, the locking assembly comprises an inflation connector arranged on the mounting cylinder, a first mounting hole is formed in the end part, close to the mounting cylinder, of one end of the inflation connector, a second mounting hole is formed in the end part of the other end of the inflation connector, and the second mounting hole is communicated with the first mounting hole;
a locking valve is arranged in the first mounting hole, a slidable locking block is arranged in the second mounting hole, and the locking block is fixed by a locking pin on the side wall of the inflation connector;
and when the pressure in the main combustion cylinder is greater than a preset value and the lock pin is cut off, the locking block slides into the extreme position in the second mounting hole and blocks the inflation hole.
Further, the structure of the locking block is a T-shaped structure, and the lock pin penetrates through the side wall of the inflation connector and clamps the T-shaped end of the locking block.
Furthermore, the main ignition assembly comprises a fixing plate arranged at the end part of the tail pipe, a fixing seat embedded on the fixing plate and a main ignition head arranged on the fixing seat, and the main ignition head is positioned in the main combustion cylinder;
and a third through hole is formed in the fixing plate and is communicated with the main combustion cylinder and the tail spraying pipe.
Furthermore, a Laval nozzle is arranged on the inner wall of the tail end of the tail spraying pipe, and the Laval nozzle is in threaded connection with the inner wall of the tail spraying pipe.
Furthermore, the middle part of the thin film sheet protrudes towards the tail end of the Laval nozzle to form an arc shape, and the edge of the thin film sheet is fixed inside the tail end of the Laval nozzle through a compression screw.
Furthermore, the outer wall of the jet tail pipe is provided with tail wings at equal intervals, and the tail wings are arranged along the axial direction of the jet tail pipe.
Drawings
FIG. 1 is a schematic top view of a power transmitting device according to a first embodiment of the present invention;
fig. 2 is a front view schematically illustrating the power transmitting apparatus of fig. 1.
Description of the main element symbols:
the following detailed description will further illustrate the utility model in conjunction with the above-described figures.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, a power launching device provided in an embodiment of the present invention includes a bullet 10, a dry powder cylinder 11, a main combustion cylinder 12, and a tail spraying pipe 13, which are sequentially connected, wherein a secondary combustion cylinder 14 is coaxially disposed in the dry powder cylinder 11, and fire extinguishing dry powder is filled between an outer wall of the secondary combustion cylinder 14 and an inner wall of the dry powder cylinder 11;
a secondary ignition and detonation assembly 15 is installed at the joint of the dry powder cylinder 11 and the main combustion cylinder 12, a timer (not shown in the figure) and an inflation channel 50 are arranged in the secondary ignition and detonation assembly 15, one end of the inflation channel 50 is communicated with the interior of the secondary combustion cylinder 14, and the other end of the inflation channel 50 is communicated with the interior of the main combustion cylinder 12 through a locking assembly 16;
the main combustion cylinder 12 and the tail pipe 13 are connected by a main ignition assembly 17, the tail end of the tail pipe 13 is provided with a thin film sheet 18, the side wall of the tail pipe is provided with an inflation valve 19, the main ignition assembly 17 is communicated with the main combustion cylinder 12 and the tail pipe 13, and the inflation valve 19 is used for sequentially filling the mixed gas of methane and air into the main combustion cylinder 12 and the secondary combustion cylinder 14.
In the present invention, after the primary combustion cylinder 12 is filled with the mixed gas, the mixed gas enters the secondary combustion cylinder 14 through the charging channel 50, and after the primary combustion cylinder 12 and the secondary combustion cylinder 14 are both filled with the mixed gas, the whole device enters a ready-to-fire state; when the main ignition component 17 is ignited, the mixed gas in the main combustion cylinder 12 is ignited and combusted and instantaneously explodes, a very high pressure is generated in the main combustion cylinder 12, when the pressure reaches a certain value, the locking component 16 blocks the charging channel 50 to isolate the main combustion cylinder 12 from the secondary combustion cylinder 14, and flame combustion only stays in the main combustion cylinder 12 and cannot enter the secondary combustion cylinder 14; when the pressure continues to rise, the film sheet 18 is cut off, and the gas in the main combustion cylinder 12 is sprayed out from the tail end of the tail spraying pipe 13, and meanwhile, the whole device is pushed to fly forwards; the triggering of the timer adopts an inertial mass switch, when the instantaneous acceleration of the whole device in launching flight reaches a preset value, a large inertial force is generated, the timer is triggered to work and starts to time, when the time reaches a preset time, the secondary ignition assembly 15 starts to ignite, the secondary combustion cylinder 14 ignites and causes the extinguishing dry powder to explode, and the fire is extinguished in a fire scene.
Specifically, the timer is an electronic timer, and different flight times of the timer can be preset according to the distance from the transmitting place to a fire scene, so that fire extinguishment at an accurate place is achieved. The dry powder cylinder 11, the main combustion cylinder 12 and the tail spraying pipe 13 are connected in a threaded connection mode or other fixed connection modes.
Referring to fig. 1 and fig. 2, the secondary ignition and detonation assembly 15 includes a connecting clamping plate 151 connecting the dry powder cylinder 11 and the main combustion cylinder 12, and a mounting cylinder 152 passing through the connecting clamping plate 151;
the end part of the mounting cylinder 152, which is positioned in the main combustion cylinder 12, is provided with a locking assembly 16;
the end part of one end of the mounting cylinder 152, which is positioned in the dry powder cylinder 11, is provided with a secondary ignition assembly 20, the other end of the secondary ignition assembly 20 is connected with the secondary combustion cylinder 14, and the secondary combustion cylinder 14 is connected with the bullet 10.
Specifically, by providing the connecting clamp plate 151 and the mounting cylinder 152, a mounting position is provided for the locking assembly 16 and the secondary ignition assembly 20, and the locking assembly 16 blocks the charging channel 50 so as to isolate the primary combustion cylinder 12 from the secondary combustion cylinder 14.
Referring to fig. 1 and 2, the inflation channel 50 includes a first channel 501 in the sidewall of the mounting cylinder 152 and a second channel 502 in the bottom;
one end of the second passage 502 is in communication with the latch assembly 16 and the other end is in communication with the secondary ignition assembly 20 via the first passage 501. By locating the inflation channel 50 in the mounting cylinder 152, the locking assembly 16 can be blocked.
Referring to fig. 1 and 2, the secondary ignition assembly 20 includes a secondary ignition head 201 mounted on the mounting cylinder 152, and a secondary igniter 202 covering the secondary ignition head 201, an end of the secondary igniter 202 extending into the secondary combustion cylinder 14;
the secondary ignition head 201 is provided with a first through hole communicated with the first channel 501, the end of the secondary igniter 202 is provided with a second through hole, the second through hole communicates the inside of the secondary igniter 202 with the inside of the secondary combustion cylinder 14, and mixed gas enters the secondary combustion cylinder 14 from the inflation channel 50, the first through hole and the second through hole in sequence.
Referring to fig. 1 and 2, the locking assembly 16 includes an air charging connector 161 disposed on the mounting cylinder 152, wherein an end of the air charging connector 161 close to the mounting cylinder 152 is provided with a first mounting hole, and an end of the other end is provided with a second mounting hole, and the second mounting hole is communicated with the first mounting hole;
a locking valve 162 is arranged in the first mounting hole, a slidable locking block 163 is arranged in the second mounting hole, and the locking block 163 is fixed by a locking pin 164 on the side wall of the inflation connector 161;
an inflation hole 1611 is formed in the side wall of the inflation connector 161, the inflation hole 1611 is communicated with the second mounting hole, and when the pressure in the main combustion cylinder 12 is greater than a preset value and the latch 164 is cut off, the locking block 163 slides into the limit position in the second mounting hole and blocks the inflation hole 1611.
It should be noted that, in the present invention, the locking valve 162 and the inflation valve 19 both adopt a one-way valve structure to ensure inflation and air tightness.
In a preferred embodiment of the present invention, the locking block 163 is a T-shaped structure, and the locking pin 164 passes through a sidewall of the inflation connector 161 and blocks a T-shaped end of the locking block 163.
Referring to fig. 1 and 2, the main ignition assembly 17 includes a fixing plate 171 mounted at an end of the tail pipe 13, a fixing seat 172 embedded in the fixing plate 171, and a main ignition head 173 disposed on the fixing seat 172, wherein the main ignition head 173 is located in the main combustion cylinder 12;
the fixing plate 171 is provided with a third through hole, and the third through hole is communicated with the main combustion cylinder 12 and the tail pipe 13 so as to facilitate the passage of the mixed gas.
Referring to fig. 1, in a preferred embodiment of the present invention, the bullet 10 includes a flow guide head 101 and an outer ring connecting portion 102 extending from a large end edge of the flow guide head 101, an inner ring connecting portion 103 is disposed inside the outer ring connecting portion 102, the inner ring connecting portion 103 is connected to the secondary combustion cylinder 14, and the outer ring connecting portion 102 is connected to the dry powder cylinder 11.
Specifically, the small end of the flow guide head 101 is in a conical arc shape, so that the air resistance of the whole device in the launching process is reduced.
In another preferred embodiment of the present invention, a laval nozzle 131 is disposed on the inner wall of the end of the tail pipe 13, and the laval nozzle 131 is in threaded connection with the inner wall of the tail pipe 13. From the front end to the rear end of the tail pipe 13, the inner wall of the laval nozzle 131 first narrows to a narrow throat and then expands, so as to increase the velocity of the gas flow, thereby increasing the thrust of the entire launch device.
In a preferred embodiment of the present invention, the middle of the membrane 18 protrudes towards the end of the laval nozzle 131 to form a circular arc, and the edge of the membrane is fixed inside the end of the laval nozzle 131 by a compression screw, so that the membrane 18 is cut.
In another preferred embodiment of the present invention, the outer wall of the jet pipe 13 is provided with fins 132 at equal intervals, the fins 132 are arranged along the axial direction of the jet pipe 13, and flight stability and shooting accuracy are ensured by the fins 132.
In the present invention, the mixture of methane and air is injected through the charging valve 19, and the mixture enters the main combustion cylinder 12 through the third through hole; after the main combustion cylinder 12 is filled with the mixed gas, the mixed gas enters the secondary combustion cylinder 14 through the charging hole 1611, the locking valve 162, the first mounting hole, the charging channel 50, the first through hole and the second through hole in sequence, and after the main combustion cylinder 12 and the secondary combustion cylinder 14 are both filled with the mixed gas, the whole device enters a ready-to-fire state; after the main ignition head 173 is ignited, the mixed gas in the main combustion cylinder 12 is ignited and burned and instantaneously explodes, so that a very high pressure is generated in the main combustion cylinder 12, when the pressure reaches a certain value and the lock pin 164 is cut off, the lock block 163 slides into the limit position in the second mounting hole and blocks the charging hole 1611, namely, the main combustion cylinder 12 and the secondary combustion cylinder 14 are isolated, and flame combustion only stays in the main combustion cylinder 12 and cannot enter the secondary combustion cylinder 14; after the pressure continues to rise, the thin film piece 18 is cut off, and the gas in the main combustion cylinder 12 is sprayed out from the tail end of the Laval nozzle 131, and meanwhile, the whole device is pushed to fly forwards; when the instantaneous acceleration of the whole device in launching flight reaches a preset value, a large inertia force is generated, the timer is triggered to work and starts timing, after the time reaches a preset time, the secondary ignition head 201 starts to ignite, the secondary combustion cylinder 14 is detonated, the fire extinguishing dry powder is exploded, and fire extinguishing is carried out on a fire scene.
In conclusion, in the utility model, no fuel gas is added in the production, assembly and transfer processes of the whole device, and the mixed gas of methane and air is added when the device is positioned in a fire extinguishing site so as to ensure the safety of the production and transportation processes, and professional training is required on the launching site of colleagues so as to avoid safety accidents. And adopt methane as fuel, it is more convenient to compare with the acquisition of gunpowder solid fuel for this power emitter can extensively use on various equipment that need flight power.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other. The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A power launching device, characterized by: the fire extinguishing dry powder burner comprises a warhead, a dry powder cylinder, a main combustion cylinder and a tail spraying pipe which are sequentially connected, wherein a secondary combustion cylinder is coaxially arranged in the dry powder cylinder, and fire extinguishing dry powder is filled between the outer wall of the secondary combustion cylinder and the inner wall of the dry powder cylinder;
a secondary ignition detonation assembly is arranged at the joint of the dry powder cylinder and the main combustion cylinder, a timer and an inflation channel are arranged in the secondary ignition detonation assembly, one end of the inflation channel is communicated with the interior of the secondary combustion cylinder, and the other end of the inflation channel is communicated with the interior of the main combustion cylinder through a locking assembly;
the main combustion cylinder is characterized in that a main ignition assembly is installed at the joint of the main combustion cylinder and the tail spraying pipe, a thin film sheet is arranged at the tail end of the tail spraying pipe, an inflation valve is arranged on the side wall of the tail spraying pipe, the main ignition assembly is communicated with the main combustion cylinder and the tail spraying pipe, and the inflation valve is used for sequentially filling mixed gas of methane and air into the main combustion cylinder and the secondary combustion cylinder.
2. The power transmitting device of claim 1, wherein the secondary ignition and detonation assembly comprises a connecting clamping plate for connecting the dry powder cylinder and the main combustion cylinder, and a mounting cylinder arranged on the connecting clamping plate in a penetrating manner;
a locking assembly is arranged at the end part of one end of the mounting cylinder, which is positioned in the main combustion cylinder;
the installation cylinder is arranged on one end part of the dry powder cylinder, the secondary ignition assembly is arranged on the other end part of the installation cylinder, the secondary combustion cylinder is connected to the other end of the secondary ignition assembly, and the secondary combustion cylinder is connected with the warhead.
3. The power transmitting device of claim 2, wherein the inflation channel comprises a first channel in a side wall of the mounting barrel and a second channel in a bottom portion;
one end of the second channel is communicated with the locking assembly, and the other end of the second channel is communicated with the secondary ignition assembly through the first channel.
4. The power transmitting device of claim 3, wherein the secondary ignition assembly includes a secondary ignition head mounted on the mounting barrel, and a secondary igniter covering the secondary ignition head, an end of the secondary igniter extending into the secondary combustion barrel;
the secondary ignition head is provided with a first through hole communicated with the first channel, the end part of the secondary ignition device is provided with a second through hole, and the inside of the secondary ignition device is communicated with the inside of the secondary combustion cylinder through the second through hole.
5. The power transmitting device of claim 3, wherein the locking assembly includes an inflation connector disposed on the mounting barrel, the inflation connector having a first mounting hole at an end portion adjacent to the mounting barrel and a second mounting hole at an end portion adjacent to the other end, the second mounting hole communicating with the first mounting hole;
a locking valve is arranged in the first mounting hole, a slidable locking block is arranged in the second mounting hole, and the locking block is fixed by a locking pin on the side wall of the inflation connector;
and when the pressure in the main combustion cylinder is greater than a preset value and the lock pin is cut off, the locking block slides into the extreme position in the second mounting hole and blocks the inflation hole.
6. The power transmitting device of claim 5, wherein the locking block is configured as a T-shaped structure, and the locking pin penetrates through a side wall of the inflation connector and blocks the T-shaped end of the locking block.
7. The power transmitting device of claim 1, wherein the main ignition assembly comprises a fixing plate mounted at the end of the tail pipe, a fixing seat embedded on the fixing plate, and a main ignition head arranged on the fixing seat, wherein the main ignition head is positioned in the main combustion cylinder;
and a third through hole is formed in the fixing plate and is communicated with the main combustion cylinder and the tail spraying pipe.
8. The power transmitting device as claimed in claim 1, wherein a laval nozzle is arranged on the inner wall of the tail end of the tail pipe, and the laval nozzle is in threaded connection with the inner wall of the tail pipe.
9. The power transmitting device as claimed in claim 8, wherein the middle part of the membrane sheet is convex towards the end of the laval nozzle to form a circular arc shape, and the edge is fixed inside the end of the laval nozzle by a compression screw.
10. The power transmitting device as claimed in any one of claims 1 to 9, wherein the outer wall of the jet tail pipe is provided with fins at equal intervals, and the fins are arranged along the axial direction of the jet tail pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123289951.XU CN216798561U (en) | 2021-12-24 | 2021-12-24 | Power transmitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123289951.XU CN216798561U (en) | 2021-12-24 | 2021-12-24 | Power transmitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216798561U true CN216798561U (en) | 2022-06-24 |
Family
ID=82056728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123289951.XU Active CN216798561U (en) | 2021-12-24 | 2021-12-24 | Power transmitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216798561U (en) |
-
2021
- 2021-12-24 CN CN202123289951.XU patent/CN216798561U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7793591B1 (en) | Projectile having ignitable payload with delay column igniter | |
| US5107766A (en) | Follow-thru grenade for military operations in urban terrain (MOUT) | |
| US2884859A (en) | Rocket projectile | |
| KR20070101675A (en) | Fire extinguishing rocket bomb for long distance fire extinguish | |
| US2697400A (en) | Projectile with shaped charge and point initiating fuze | |
| US5515767A (en) | Device for firing a projectile | |
| US7802520B2 (en) | Drag minimizing projectile delivery system | |
| US3922967A (en) | Closed-breech-gun-fired rocket-assisted projectile | |
| US4006689A (en) | Pyrotechnical safety relay | |
| US6230629B1 (en) | Rapid ignition infrared decoy for anti-ship missile | |
| CN216798561U (en) | Power transmitting device | |
| US2681619A (en) | Rocket projectile | |
| US4099465A (en) | Ignition device for missile motors | |
| KR20070101676A (en) | Grenade for medium distance fire extinguish | |
| CN114210002A (en) | Power transmitting device | |
| CN111529994A (en) | Use high pressure air conditioning as launching source's launching system for forest fire extinguishing bomb | |
| US4421033A (en) | Exercise projectile | |
| RU68117U1 (en) | SMOKE Grenade (OPTIONS) | |
| KR102041829B1 (en) | Safety nozzle structure and rocket using the safety nozzle structure and grenade using the safety nozzle structure and multi-purpose shell using the safety nozzle structure | |
| US6079334A (en) | Grenade for a grenade thrower | |
| KR101924971B1 (en) | Ignition/delay assembly and extended range projectile having the same | |
| JP2018059651A (en) | Pyrotechnics signal lunching device | |
| RU2661497C1 (en) | Cassette shot of non-lethal effect | |
| KR960040391A (en) | Fire extinguishing rocket fire | |
| CN111664755B (en) | Range-extending detonation bomb with built-in two-stage high-low pressure system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |