CN210716924U - High-pressure gas generating device for inflation - Google Patents
High-pressure gas generating device for inflation Download PDFInfo
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- CN210716924U CN210716924U CN201921263788.XU CN201921263788U CN210716924U CN 210716924 U CN210716924 U CN 210716924U CN 201921263788 U CN201921263788 U CN 201921263788U CN 210716924 U CN210716924 U CN 210716924U
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Abstract
The utility model relates to an aerify and use high-pressure gas generating device, more specifically relates to many times, quick aerate type gas generator, also can be applied to gas energy storage and gas pressure boost technical field simultaneously. The utility model provides a main combustion chamber is arranged in providing initial gas for gas unit among the high-pressure gas generating device, monitors the device internal pressure when pressure sensor and descends certain numerical value after, and the servo combustion chamber of ignition control unit control begins work to continue to produce high-pressure gas, the inside pressure of maintenance device guarantees that the whole set of device lasts stable to gas unit air feed. The utility model discloses a have small, produce gas fast, gas temperature is low, produce advantages such as gas rate is high, can many times, long term air feed and non-maintaining, can replace the high-pressure gas cylinder for liquid rocket engine fuel storage tank pressure boost etc..
Description
Technical Field
The utility model relates to an aerify and use high-pressure gas generating device, more specifically relates to many times, quick aerate type gas generator, also can be applied to gas energy storage and gas pressure boost technical field simultaneously.
Background
Nitrogen gas used for pressurizing a liquid rocket propellant storage tank is stored by a high-pressure gas cylinder for a long time. The gas cylinder gas storage system has the defects of large volume, large mass, low pressurization efficiency, gas leakage at a connecting surface, need of periodic inspection, unsafe high-pressure storage, need of ground gas supply equipment (a gas compressor or a gas cylinder vehicle), inconvenience for use and the like because the gas cylinder gas is charged before the rocket is launched.
SUMMERY OF THE UTILITY MODEL
The technical solution problem of the utility model is that: the high-pressure gas generator for inflation is a quick inflator which has small volume, can be stored for a long time and can be ignited and started for many times, generates high-pressure gas through combustion of low-temperature gas production agent, controls the ignition time of an igniter through a pressure feedback device, can realize automatic ignition gas supplement and long-time and multiple gas supply, and has the advantages of small volume, high pressurization efficiency, prefilling, no need of ground gas supply equipment (the gas compressor or the gas cylinder vehicle), long-time storage, convenience in use and the like. The generated gas mainly comprises nitrogen, the temperature of the fuel gas can be lower than 400 ℃, and the method is suitable for pressurizing a fuel storage tank of a liquid rocket engine.
The technical solution of the utility model is that:
a high-pressure gas generating device for inflation comprises a gas outlet pipeline, a pressure measuring sensor, an end cover, a plurality of gas one-way valves, a servo combustion chamber joint, a plurality of servo combustion chambers, a main combustion chamber gas production medicine, a central filter, a main combustion chamber ignition medicine, a servo combustion chamber gas production medicine, a servo combustion chamber ignition medicine and a plurality of insensitive igniters;
the top end of the main combustion chamber is fixedly connected to the center of the end cover; an insensitive igniter is arranged at the bottom end of the main combustion chamber;
the servo combustion chambers are circumferentially and uniformly distributed by taking the main combustion chamber as a center and are fixedly connected to the end cover, namely the servo combustion chambers are uniformly distributed around the main combustion chamber;
the air outlet pipeline is fixedly connected to the end cover;
the pressure measuring sensor is fixedly connected to the gas outlet pipeline and used for measuring the pressure of gas in the gas outlet pipeline;
the servo combustion chamber joint is used for fixedly connecting the servo combustion chamber to the end cover, and the gas one-way valve is fixedly connected to the top end of the servo combustion chamber;
the central filter is a tubular filter with the filtering precision of 10 mu m; the side wall surface of the central filter is provided with a plurality of layers of filter screens;
the central filter is of a thin cylinder structure, the side wall surface of the thin cylinder structure is a filtering layer, one end of the thin cylinder structure is open, the other end of the thin cylinder structure is closed, the open end of the thin cylinder structure is fixedly connected with the gas outlet pipeline, and the closed end of the thin cylinder structure is supported in the middle of the main combustion chamber by adopting a porous plate;
the central filter divides the space of the main combustion chamber into two parts, wherein one part is a cylindrical cavity between the side wall surface of the central filter and the side wall surface of the main combustion chamber, and the other part is a semicircular cavity between the closed end of the central filter and the bottom end of the main combustion chamber; the cylindrical cavity and the semicircular cavity are isolated by a porous plate support;
the main combustion chamber gas production agent is arranged in the cylindrical cavity, and the main combustion chamber ignition agent is arranged in the semicircular cavity;
the bottom end of the servo combustion chamber is provided with the insensitive igniter, the gas producing powder of the servo combustion chamber and the ignition powder of the servo combustion chamber are arranged in the servo combustion chamber, and the ignition powder of the servo combustion chamber is positioned between the insensitive igniter and the gas producing powder of the servo combustion chamber;
the inner side of the end cover is radially and uniformly distributed with tubular passages, the number of the tubular passages is the same as that of the servo combustion chambers, the servo combustion chambers are communicated with the main combustion chamber through the tubular passages, and the tubular passages between the servo combustion chambers and the main combustion chamber are provided with gas one-way valves; the gas one-way valve is arranged for preventing hot gas generated after the main combustion chamber or other servo combustion chambers work from entering the servo combustion chambers which do not work;
the main combustion chamber is made of alloy steel or titanium alloy, and the alloy steel or the titanium alloy is high in strength.
The use method of the high-pressure gas generating device for multiple and quick inflation comprises the following steps:
(1) and calculating the total amount of the required gas production medicament and the number of the servo generators according to the total gas consumption requirement.
(2) And the gas consumption unit is controlled to be deflated or closed through a gas pressure reducer and a gas valve.
(3) When the ignition device is used, an ignition instruction is sent to an igniter of the main combustion chamber, the igniter ignites the ignition powder and the gas production powder, the gas production powder is combusted to generate low-temperature (not higher than 400 ℃) gas, the main combustion chamber is charged to a high-pressure state, and when a gas control valve leading to the gas using unit is opened, the gas can flow to a gas outlet after being filtered by the central filter and is initially charged to the gas using unit.
(4) The pressure measuring interface is connected with a pressure measuring sensor, the pressure change condition of the main combustion chamber is continuously monitored, when the main combustion chamber charges air to the air using unit and reduces the pressure to a certain set value, under the instruction of the pressure feedback ignition controller, 1 or more servo combustion chambers quickly ignite to generate gas, a gas one-way valve between the gas one-way valve and the main combustion chamber is automatically opened under the action of pressure difference, the gas is charged into the main combustion chamber, the main combustion chamber recovers high pressure, and the air using unit can be charged again;
(5) and (4) repeating the step (4) until all the servo generators (servo combustion chambers) are operated.
The utility model discloses a characteristics lie in:
(1) small volume, high gas production speed, low gas temperature and high gas production rate.
(2) Can supply gas for a long time for many times.
(3) And the maintenance is free.
(4) The utility model relates to a high-pressure gas generating device for repeated and rapid inflation. The high-pressure gas generating device consists of a main combustion chamber, a plurality of servo combustion chambers which are communicated with the main combustion chamber and can work independently, an end cover and a gas one-way valve. The gas that this device produced is discharged from the gas outlet after inside central filter filters, and export gas temperature can reach about 350 ℃ at least, and the device has the pressure sensor interface, sustainable monitoring device internal pressure change condition. The utility model provides a main combustion chamber is arranged in providing initial gas for gas unit among the high-pressure gas generating device, monitors the device internal pressure when pressure sensor and descends certain numerical value after, and the servo combustion chamber of ignition control unit control begins work to continue to produce high-pressure gas, the inside pressure of maintenance device guarantees that the whole set of device lasts stable to gas unit air feed. The utility model discloses a have small, produce gas fast, gas temperature is low, produce advantages such as gas rate is high, can many times, long term air feed and non-maintaining, can replace the high-pressure gas cylinder for liquid rocket engine fuel storage tank pressure boost etc..
Drawings
Fig. 1 is a schematic structural view of 1 main combustion chamber and 10 servo combustion chambers of the present invention.
FIG. 2 is a gas flow diagram after the main combustion chamber is operated;
fig. 3 is a gas flow diagram after the servo combustion chamber works.
Detailed Description
15g of main combustion chamber ignition powder 10 is placed at the head of the main combustion chamber, a tubular central filter 9 with the filtering precision of 10 mu m is arranged at the center of the combustion chamber, 200g of block or scattered main combustion chamber gas production powder 8 and main combustion chamber ignition powder 10 are filled between the main combustion chamber 7 and the central filter 9, and the main combustion chamber ignition powder 10 and the main combustion chamber gas production powder 8 are both produced by the Xianyang space chemical power research institute. An O-shaped rubber sealing ring is arranged in a sealing groove on the side surface of the shell of the main combustion chamber 7 and then is connected with threads in the middle of the end cover 3, and the tail of the main combustion chamber 7 is provided with an insensitive igniter 13. The number of the servo combustion chambers 6 is 10, the servo combustion chambers are all of metal tubular structures, one end of each servo combustion chamber is connected to the end cover 3 through a servo combustion chamber joint 5, 80g of massive or scattered servo combustion chamber gas production medicines 11 and servo combustion chamber ignition medicines 12 are filled in each servo combustion chamber 6, and the insensitive igniter 13 is arranged at the other end of each servo combustion chamber gas production medicine 11 and the servo combustion chamber ignition medicines 12 in each servo combustion chamber 6 and used for igniting the servo combustion chamber gas production medicines 11 and the servo combustion chamber ignition medicines 12.
In fig. 2, the insensitive igniter 13 of the main combustion chamber 7 excites the main combustion chamber ignition powder 10 and the main combustion chamber gas production powder 8 in the main combustion chamber 7 to produce a large amount of gas, the produced large amount of gas flows to the central channel after being filtered by the multilayer filter screen on the side wall surface of the central filter 9, finally flows out through the gas outlet pipeline 1, and is inflated by a gas unit which is not marked in the figure.
In fig. 3, a insensitive igniter 13 of the servo combustion chamber 6 excites a servo combustion chamber ignition powder 12 and a servo combustion chamber gas production powder 11 in the servo combustion chamber 6 to generate a large amount of gas, the generated large amount of gas flows into a main combustion chamber 7 from a servo combustion chamber joint 5 through a gas one-way valve 4 and a gas channel in an end cover 3, flows to a central channel after being filtered by a multi-layer filter screen on the side wall surface of a central filter 9, finally flows out through a gas outlet pipeline 1, and is inflated to a gas using unit which is not marked in the figure.
A high-pressure gas generating device for repeated and rapid inflation comprises a main combustion chamber, a plurality of servo combustion chambers communicated with the main combustion chamber, end covers and a gas one-way valve; the connection relationship of the above components is as follows: the servo combustion chamber, the main combustion chamber and the end cover are all in threaded connection and are sealed by O-shaped rubber rings, wherein the main combustion chamber shell is positioned in the middle of the whole device, and a plurality of servo combustion chambers are uniformly distributed around the main combustion chamber in a circumferential manner; the inner side of the end cover is radially and uniformly distributed with a plurality of tubular passages with the same number as the servo generators, and a gas one-way valve is arranged between each servo combustion chamber and the main combustion chamber and between the tubular passages and the main combustion chamber and used for preventing hot gas generated after the main combustion chamber or other servo combustion chambers work from entering the servo combustion chambers which do not work. The gas that produces in the main combustion chamber directly flows to gas export and pressure measurement interface, and the gas that produces in the servo combustion chamber also all flows to gas export and pressure measurement interface behind the main combustion chamber.
The main combustion chamber comprises a main combustion chamber shell, a gas production medicament, an ignition medicament, a central filter and an insensitive igniter. The central filter is of a thin cylinder structure, the side surface of the cylinder is a filter layer, one end of the cylinder is opened and is sealed and fixed with the air outlet interface, and the other end of the cylinder is closed and is supported in the middle of the generator shell by adopting a porous plate; gas-producing agents are annularly filled in gaps on the inner side of the shell and the outer side of the central filter; the head of the shell of the main combustion chamber is provided with a threaded interface for installing an insensitive igniter; the ignition charge is secured between the igniter and the support orifice plate of the filter.
The servo combustion chamber comprises a servo combustion chamber joint, a servo combustion chamber shell, a gas production medicament, a ignition medicament and an insensitive igniter. The head of the servo combustion chamber shell is provided with a threaded interface for installing an igniter, one end of the servo combustion chamber joint is connected and sealed with the servo combustion chamber, the other end of the servo combustion chamber joint is connected with the main combustion chamber after being provided with a gas one-way valve, and gas producing agent and ignition agent are freely filled in the servo combustion chamber shell.
The utility model provides a many times, quick aerate and use high-pressure gas generating device specifically includes a main combustion chamber, a plurality of servo combustion chambers, an end cover, is provided with gas outlet and pressure measurement interface on the end cover, and main combustion chamber, servo combustion chamber all install on the end cover, and main combustion chamber is located the device middle part, and a plurality of servo combustion chamber circumference equipartitions are around main combustion chamber, and main combustion chamber and every servo combustion chamber pass through the gas check valve intercommunication. The head of the main combustion chamber is provided with an insensitive igniter, a central filter is arranged inside the combustion chamber, and gas producing chemicals and ignition chemicals are filled in a gap between the outer side of the central filter and the shell; the head of the servo combustion chamber is provided with an insensitive igniter, and the combustion chamber is filled with gas producing medicine and ignition medicine.
Can set up gas pressure reducer or gas control valve between device and the gas unit, send the instruction of igniting to the some firearm of burning the combustion chamber earlier during gas use, ignite the ignition medicine and the gas production medicine in burning the combustion chamber rapidly, the gas production medicine burning produces the gas and makes and burn the indoor pressure boost that burns, and the gas flows to the gas export after central filter filters, and the gas is through control valve to carrying out initial inflation to the gas unit. In the inflation process, the pressure sensor of pressure measurement interface connection can continuously monitor the pressure change condition of the main combustion chamber, when the pressure in the main combustion chamber drops to a certain numerical value, under the instruction of the ignition controller, 1 or more servo combustion chambers ignite rapidly to generate gas, the gas one-way valve leading to the main combustion chamber of the servo combustion chamber is automatically opened under the action of pressure difference, the gas is filled into the main combustion chamber through a pipeline, the main combustion chamber recovers high pressure, and when needed, the servo combustion chamber can be continuously ignited to inflate the gas unit again.
The main combustion chamber and the servo combustion chambers share a filter positioned in the middle of the main combustion chamber, and share a gas outlet and a pressure measuring interface on an end cover.
The pressure measuring interface and the fuel gas outlet are welded on the end cover.
The quality of the gas production medicine and the number of the servo generators can be adjusted according to the requirement.
The gas producing medicine may be pressed into block or bulk and is developed and produced by the research institute of aerospace chemical technology in Hubei province.
The servo combustion chamber, the main combustion chamber and the end cover are all connected through threads.
The gas one-way valve is used for preventing hot gas generated after the main combustion chamber or the servo combustion chamber works from entering the servo combustion chamber which does not work.
According to the gas consumption condition, the device can realize automatic control and multiple ignition and gas supply.
The ignition time of the gas production agent in the main combustion chamber is not more than 30ms, and the decomposition reaction time of the gas production agent can be adjusted as required and can be within 1s at most.
The outlet gas temperature can be as low as 350 ℃.
In order to make the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
Examples
A high-pressure gas generating device for inflation comprises a gas outlet pipeline 1, a pressure measuring sensor 2, an end cover 3, 10 gas one-way valves 4, a servo combustion chamber joint 5, 10 servo combustion chambers 6, a main combustion chamber 7, a main combustion chamber gas production medicine 8, a central filter 9, a main combustion chamber ignition medicine 10, a servo combustion chamber gas production medicine 11, a servo combustion chamber ignition medicine 12 and 11 insensitive igniters 13;
the top end of the main combustion chamber 7 is fixedly connected to the center of the end cover 3; an insensitive igniter 13 is arranged at the bottom end of the main combustion chamber 7;
the 10 servo combustion chambers 6 are circumferentially and uniformly distributed by taking the main combustion chamber 7 as a center and are fixedly connected to the end cover 3, namely, the 10 servo combustion chambers 6 are uniformly distributed around the main combustion chamber 7;
the air outlet pipeline 1 is fixedly connected to the end cover 3;
the pressure measuring sensor 2 is fixedly connected to the gas outlet pipeline 1, and the pressure measuring sensor 2 is used for measuring the pressure of gas in the gas outlet pipeline 1;
the servo combustion chamber joint 5 is used for fixedly connecting the servo combustion chamber 6 to the end cover 3, and the gas one-way valve 4 is fixedly connected to the top end of the servo combustion chamber 6;
the central filter 9 is a tubular filter with a filtering precision of 10 μm; the side wall surface of the central filter 9 is provided with a plurality of layers of filter screens;
the central filter 9 is of a thin cylinder structure, the side wall surface of the thin cylinder structure is a filtering layer, one end of the thin cylinder structure is open, the other end of the thin cylinder structure is closed, the open end is fixedly connected with the gas outlet pipeline 1, and the closed end is supported in the middle of the main combustion chamber 7 by adopting a porous plate;
the central filter 9 divides the space of the main combustion chamber 7 into two parts, wherein one part is a cylindrical cavity between the side wall surface of the central filter 9 and the side wall surface of the main combustion chamber 7, and the other part is a semicircular cavity between the closed end of the central filter 9 and the bottom end of the main combustion chamber 7; the cylindrical cavity and the semicircular cavity are isolated by a porous plate support;
the main combustion chamber gas production powder 8 is arranged in the cylindrical cavity, and the main combustion chamber ignition powder 10 is arranged in the semicircular cavity;
the bottom end of the servo combustion chamber 6 is provided with an insensitive igniter 13, the servo combustion chamber gas production powder 11 and the servo combustion chamber ignition powder 12 are arranged in the servo combustion chamber 6, and the servo combustion chamber ignition powder 12 is positioned between the insensitive igniter 13 and the servo combustion chamber gas production powder 11;
tubular passages are uniformly distributed in the radial direction on the inner side of the end cover 3, the number of the tubular passages is the same as that of the servo combustion chambers 6, the servo combustion chambers 6 are communicated with the main combustion chamber 7 through the tubular passages, and a gas one-way valve 4 is arranged on the tubular passage between the servo combustion chamber 6 and the main combustion chamber 7; the gas one-way valve is arranged for preventing hot gas generated after the main combustion chamber or other servo combustion chambers work from entering the servo combustion chambers which do not work;
the main combustion chamber 7 is made of alloy steel or titanium alloy, and the alloy steel or the titanium alloy has high strength.
In fig. 1, the main combustion chamber 7 of the gas generator is made of a high-strength metal such as alloy steel or titanium alloy. 15g of ignition powder 10 is placed at the head of the main combustion chamber, a tubular filter 9 with the filtering precision of 10 mu m is arranged at the center of the combustion chamber, 200g of block or dispersed gas production agent 8 and ignition powder 10 are filled between the combustion chamber shell 7 and the central filter 9, and the ignition powder 10 and the gas production agent 8 are both produced by the Xiangyang space chemical power research institute. An O-shaped rubber sealing ring is arranged in a sealing groove on the side surface of the main combustion chamber shell and then is connected with threads in the middle of the end cover 3, and an insensitive igniter 13 is arranged at the tail of the main combustion chamber. The number of the servo combustion chambers is 10, the servo combustion chambers are of metal tubular structures, one ends of the servo combustion chambers are connected to the end cover 3 through servo combustion chamber connectors 5, 80g of block-shaped or scattered gas production medicaments 11 and ignition medicaments 12 are filled in the servo combustion chambers 6, and igniters 13 are arranged at the other ends of the servo combustion chambers and used for igniting the ignition medicaments and the gas production medicaments in the servo combustion chambers.
In fig. 2, the igniter of the main combustion chamber excites the ignition agent and the gas generating agent in the main combustion chamber to generate a large amount of gas, and the gas flows to the central passage after being filtered by the multi-layer filter net on the side wall surface of the central filter 9 and finally flows out through the gas outlet 1 to be inflated to the gas using unit which is not shown in the figure.
In fig. 3, the igniter of the servo combustion chamber excites a large amount of gas generated after the ignition agent and the gas generating agent in the servo combustion chamber, the generated gas flows into the main combustion chamber 7 from the joint 5 of the servo combustion chamber through the gas one-way valve 4 and the gas channel in the end cover 3, flows to the central channel after being filtered by the multi-layer filter screen on the side wall surface of the central filter 9, finally flows out through the gas outlet 1, and is inflated to the gas unit which is not shown in the figure.
The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be covered within the protection claims of the present invention.
Claims (10)
1. A high-pressure gas generating device for inflation is characterized in that: the generating device comprises an air outlet pipeline (1), a pressure measuring sensor (2), an end cover (3), a plurality of gas one-way valves (4), a plurality of servo combustion chamber joints (5), a plurality of servo combustion chambers (6), a main combustion chamber (7), a main combustion chamber gas production medicine (8), a central filter (9), a main combustion chamber ignition medicine (10), a servo combustion chamber gas production medicine (11), a servo combustion chamber ignition medicine (12) and a plurality of insensitive igniters (13);
the top end of the main combustion chamber (7) is fixedly connected to the center of the end cover (3); an insensitive igniter (13) is arranged at the bottom end of the main combustion chamber (7);
a plurality of servo combustion chambers (6) are uniformly distributed around the main combustion chamber (7);
a plurality of tubular channels are radially and uniformly distributed on the inner side of the end cover (3), the number of the tubular channels is the same as that of the servo combustion chambers (6), the servo combustion chambers (6) are communicated with the main combustion chamber (7) through the tubular channels, and a gas one-way valve (4) is arranged on the tubular channel between the servo combustion chamber (6) and the main combustion chamber (7);
the central filter (9) is of a cylindrical structure, the side wall surface of the cylindrical structure is a filtering layer, one end of the cylindrical structure is open, the other end of the cylindrical structure is closed, the open end is fixedly connected and communicated with the gas outlet pipeline (1), and the closed end is supported in the middle of the main combustion chamber (7) by adopting a porous plate;
the central filter (9) divides the space of the main combustion chamber (7) into two parts, wherein one part is a cylindrical cavity between the side wall surface of the central filter (9) and the side wall surface of the main combustion chamber (7), and the other part is a semicircular cavity between the closed end of the central filter (9) and the bottom end of the main combustion chamber (7); the cylindrical cavity and the semicircular cavity are isolated by a porous plate support;
the main combustion chamber gas production powder (8) is arranged in the cylindrical cavity, and the main combustion chamber ignition powder (10) is arranged in the semicircular cavity;
the air outlet pipeline (1) penetrates through the end cover (3) and is fixedly connected and communicated with the central filter (9);
the pressure measuring sensor (2) is fixedly connected to the gas outlet pipeline (1), and the pressure measuring sensor (2) is used for measuring the pressure of gas in the gas outlet pipeline (1);
the servo combustion chamber joint (5) is used for fixedly connecting the servo combustion chamber (6) to the end cover (3);
the bottom end of the servo combustion chamber (6) is provided with the insensitive igniter (13), the servo combustion chamber gas production medicine (11) and the servo combustion chamber ignition medicine (12) are arranged in the servo combustion chamber (6), and the servo combustion chamber ignition medicine (12) is arranged between the insensitive igniter (13) and the servo combustion chamber gas production medicine (11).
2. A high-pressure gas generator for inflation as set forth in claim 1, wherein: the material of the main combustion chamber (7) is alloy steel.
3. A high-pressure gas generator for inflation as set forth in claim 1, wherein: the material of the main combustion chamber (7) is titanium alloy.
4. A high-pressure gas generator for inflation as set forth in claim 1, wherein: the filtration accuracy of the center filter (9) was 10 μm.
5. A high-pressure gas generator for inflation as set forth in claim 1, wherein: the side wall surface of the central filter (9) is a multilayer filter screen.
6. A high-pressure gas generator for inflation as set forth in claim 1, wherein: the number of the servo combustion chambers (6) is 10.
7. A high-pressure gas generator for inflation as set forth in claim 1, wherein: the servo combustion chambers (6) are all of metal tubular structures.
8. A high-pressure gas generator for inflation as set forth in claim 1, wherein: the servo combustion chamber (6) is connected with the end cover (3) by screw threads and is sealed by an O-shaped rubber ring.
9. A high-pressure gas generator for inflation as set forth in claim 1, wherein: the main combustion chamber (7) is connected with the end cover (3) by screw threads and is sealed by an O-shaped rubber ring.
10. A high-pressure gas generator for inflation as set forth in claim 1, wherein: the gas production medicine (8) of the main combustion chamber and the gas production medicine (11) of the servo combustion chamber are both blocks or pellets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921263788.XU CN210716924U (en) | 2019-08-06 | 2019-08-06 | High-pressure gas generating device for inflation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921263788.XU CN210716924U (en) | 2019-08-06 | 2019-08-06 | High-pressure gas generating device for inflation |
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| Publication Number | Publication Date |
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| CN210716924U true CN210716924U (en) | 2020-06-09 |
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| CN201921263788.XU Active CN210716924U (en) | 2019-08-06 | 2019-08-06 | High-pressure gas generating device for inflation |
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| CN (1) | CN210716924U (en) |
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