CN114017207B - Chamber serial type gas generator - Google Patents
Chamber serial type gas generator Download PDFInfo
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- CN114017207B CN114017207B CN202111185810.5A CN202111185810A CN114017207B CN 114017207 B CN114017207 B CN 114017207B CN 202111185810 A CN202111185810 A CN 202111185810A CN 114017207 B CN114017207 B CN 114017207B
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- cooling
- heat insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/08—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants
- F02K9/32—Constructional parts; Details not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/08—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants
- F02K9/24—Charging rocket engines with solid propellants; Methods or apparatus specially adapted for working solid propellant charges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/08—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants
- F02K9/28—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants having two or more propellant charges with the propulsion gases exhausting through a common nozzle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/08—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants
- F02K9/32—Constructional parts; Details not otherwise provided for
- F02K9/34—Casings; Combustion chambers; Liners thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/08—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants
- F02K9/32—Constructional parts; Details not otherwise provided for
- F02K9/40—Cooling arrangements
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Bags (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The invention discloses a chamber-divided serial type fuel gas generator which comprises a charging part, a cooling part and a diaphragm part, wherein the charging part is in threaded connection with the cooling part, the diaphragm part is arranged between the charging part and the cooling part to form two sealed chambers, a medicine box part and a two-way electric initiator are arranged at the outlet end of the charging part through a three-way joint, the electric initiator is connected with an ignition cable, and a diaphragm part and a pressing screw are arranged at the outlet end of the cooling part. The invention adopts the technical scheme of front chamber charging, rear chamber cooling and serial output, and the purposes of low temperature, cleanness, stability and controllable output of fuel gas are achieved by complete combustion of the charging chamber and constant-current output to the cooling chamber for full reaction.
Description
Technical Field
The invention relates to the technical field of fuel gas generators, in particular to a chamber-divided serial type fuel gas generator.
Background
The current gas generator mostly adopts low-energy propellant or pyrotechnic charge to provide medium-low temperature gas medium for the inflation in a cabin, the pressurization of a storage tank, an end-repair attitude control mechanism, lifesaving equipment and the like, and has the technical characteristics of insufficient charge combustion, high residue rate, poor combustion rate control, low gas production efficiency, easy misfire at low temperature, easy sticking of the mechanism, inconstant mass flow and the like. Multiple gas generators are usually needed to compensate for the insufficient gas flow; the ignition dose is increased and the plug strength is improved in the ignition sequence design so as to solve the problem of poor low-temperature ignition reliability; a filtering device is additionally arranged on the gas path to solve the problem of large amount of gas residues; such measures only address a single problem and fail to provide a systematic solution.
In addition, by improving the formula of the gas generating agent charge and adding the internal cooling agent, the application breakthrough of comprehensively improving the indexes such as high gas production rate, low burning rate, cleanness, no toxicity, wide pressure platform and the like cannot be realized.
Therefore, it would be desirable to provide an improved gasifier that overcomes the above-mentioned problems.
Disclosure of Invention
The invention provides a chambered serial-connection type fuel gas generator, which adopts the technical scheme of front chamber charging, rear chamber cooling and serial-connection output, can realize flexible charging, external mixed cooling and carbon adsorption and has the characteristics of strong universality of fuel gas temperature according to required proportion, high gas production rate, clean fuel gas and stable and controllable output.
In order to realize the purpose, the invention adopts the following technical scheme:
the compartment series type fuel gas generator comprises a charging part, a cooling part and a diaphragm part, wherein the charging part is in threaded connection with the cooling part, the diaphragm part is arranged between the charging part and the cooling part to form two sealed chambers, a medicine box part and a two-way electric detonator are arranged at the outlet end of the charging part through a three-way joint, the electric detonator is connected with an ignition cable, and a diaphragm part and a pressing screw are arranged at the outlet end of the cooling part.
Preferably, the powder charging part comprises a shell, a third heat insulation layer, a coating sleeve and a powder column which are sequentially arranged from outside to inside, and a shaft shoulder positioning step is arranged on the inner wall of the outlet end of the shell.
Preferably, the shell is made of low-carbon alloy steel; the inner wall of the shell is vulcanized by ethylene propylene diene monomer EPDM104 to form a third heat insulation layer; the grain adopts double-base propellant; and (3) adopting a modified epoxy resin system coating agent HS18-AF on the bottom and the cylindrical surface of the explosive column, and pouring glue solution and curing to form a coating sleeve.
Preferably, the grain is sprayed with 0.3mm thick primer before coating, and the primer adopts zinc-rich epoxy adhesive.
Preferably, the cooling part comprises a cylinder, an end enclosure, a first pore plate, a metal filter screen, a second pore plate, an aluminum foil, a coolant and a rectifying plate, wherein the first pore plate and the metal filter screen are sequentially pressure riveted in an inner cavity of the end enclosure, the second pore plate is in threaded connection, the aluminum foil is bonded on the back side of the second pore plate by using an iron anchor 101 adhesive, and the tail end of the end enclosure and the cylinder are pressure riveted to form a whole; a cooling agent is filled in the cavity of the cylinder, and an O-shaped sealing ring is arranged at the threaded connection part of the cylinder and the shell of the charging part; the rectifying plate is arranged at the threaded position of the split ring of the cylinder body and is provided with a throttling hole in advance, and the aluminum foil is bonded to the side of the throttling hole.
Preferably, the cylinder body and the end enclosure are made of heat-resistant stainless steel 310s, and a circular seam formed by pressure riveting of the cylinder body and the end enclosure is welded by vacuum electron beams; the coolant adopts Al (OH) 3 With SiO 2 The mixture is uniform, the particle size distribution is 0.5 mm-1 mm, and the filling density is 0.75-1 g/cm 3 (ii) a The aluminum foil is made of industrial pure aluminum, and the thickness of the aluminum foil is 0.2mm; the metal filter screen is formed by pressing stainless steel wires with the wire diameter not less than 0.25mm, the compression rate is 35-50%, and the filtering precision is not lower than 50 mu m; the orifice 61-
Through hole with pre-counter bore diameter
Diameter of rear counterbore
Preferably, the diaphragm member includes a throttle plate, a first heat insulating layer, and a second heat insulating layer, the first heat insulating layer and the second heat insulating layer are vulcanized on the throttle plate by using ethylene propylene diene monomer EPDM104, and the surface roughness is 1.6; the axial compression amount of the first heat insulation layer, the second heat insulation layer, the positioning step of the shaft shoulder in the charging part and the opening ring surface of the cooling part is not less than 0.5mm, and the axial force is exerted by screwing the connecting threads of the charging part and the cooling part to compress the charging part and the cooling part to form two end face seals.
Preferably, the diaphragm component comprises a porous baffle, a cross diaphragm and a heat insulation sleeve which are sequentially arranged from outside to inside, wherein the forward conduction pressure of the diaphragm component is 6-8 MPa, and the reverse pressure-bearing pressure is more than 55MPa.
Preferably, the joint of the electric initiator and the three-way joint and the joint of the three-way joint and the shell of the explosive charging part are respectively compressed and sealed at the end faces through a copper gasket I and a copper gasket II.
Due to the structure, the invention has the advantages that:
1. the double-base propellant is used for charging, the characteristics of stable combustion, reliable ignition, wide pressure application range, high gas production rate and low residue rate are utilized, the proportion of charging and a coolant and the mixing ratio of a physical coolant (SiO 2) and a chemical coolant (Al (OH) 3) are flexibly adjusted according to the required gas temperature, and the temperature range of the output gas is adjustable.
2. By utilizing a simple coating forming method of backward extrusion and vacuum pumping, the shape and the size of the naked grain are not limited, the requirement on energy indicative parameters is not high, and the selectable range is wide. Meanwhile, the characteristics of self cleanness and external adsorption carbon fixation of the charged fuel are fully utilized, and the fuel gas medium meeting the requirements of fuel gas temperature and cleanliness can be obtained through a plurality of simple test iterations.
3. The device has the characteristics of compact and reasonable structure, unified mechanical interface, strong module interchangeability, easy acquisition of raw materials, low cost and strong universality, and is particularly suitable for application occasions with large air volume requirements such as cabin air pressure maintenance, fuel storage tank pressurization, end-repair attitude control mechanisms, lifesaving equipment and the like.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic longitudinal cross-section of a charge part of the invention;
FIG. 3 is a schematic longitudinal cross-sectional view of a cooling member of the present invention;
FIG. 4 is a schematic cross-sectional view of a fairing according to the invention;
FIG. 5 is a schematic cross-sectional view of a diaphragm assembly according to the present invention;
FIG. 6 is a schematic cross-sectional view of a membrane element according to the present invention.
Detailed Description
The technical scheme of the invention is clearly and completely described in the following with the accompanying drawings of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
As shown in fig. 1 to 6, the present embodiment provides a gas generator with separated chambers connected in series, which includes a gas charging component 1, a cooling component 2, a diaphragm component 3, a medicine box component 4, a diaphragm component 5, a pressing screw 6, a copper gasket i 7, a three-way joint 8, a copper gasket ii 9, an electric initiator 10, an ignition cable 11 and an O-ring 12, and is connected to a gas storage device 02 through a conduit component 01, a flexible graphite sealing ring i 03, a flexible graphite sealing ring ii 04, a 10-M6 stud 05, a 10-M6 all-metal self-locking nut 06, and a second O-ring 07.
In this embodiment, the conduit member 01 and the gas storage device 02 adopt a soft-hard double sealing structure, which includes a hard spherical metal seal and a radial O-shaped seal ring, wherein the O-shaped seal ring is preferably made of ethylene propylene diene monomer rubber with the code of YB-270A.
As shown in fig. 1 and 5, the charge part 1 and the cooling part 2 are connected by screw threads, the diaphragm part 3 is arranged between the charge part 1 and the cooling part 2, and the inner shoulder of the charge part 1, the opening ring surface of the cooling part 2, the first heat-insulating layer 302 and the second heat-insulating layer 303 of the diaphragm part 3 form two end face seals to form an inner and outer double-sealing structure with the O-shaped sealing ring 12.
In the present embodiment, the diaphragm member 5 and the pressure screw 6 are disposed at the outlet of the cooling member 2.
In this embodiment, the cartridge part 4 is arranged radially at the outlet end of the charge part 1 via a tee-joint 8, and a two-way electric initiator 10 and an ignition cable 10 are arranged. The electric detonator 10, the medicine box component 4 and the explosive column 104 form a three-stage ignition and ignition sequence.
As shown in fig. 2, the charge part 1 is composed of a casing 101, a third insulating layer 102, a sheath 103 and a charge 104.
In this embodiment, the inner wall of the casing 101 is vulcanized by EPDM104 to form a third insulating layer 102, and the casing 101 is preferably made of low carbon alloy steel.
In this embodiment, the drug column 104 is disposed in the center of the shell 101 and the third insulating layer 102, and is circumferentially positioned by using paraffin wax micro-blocks ablated by heating, so as to ensure that the wall thickness of the coating sleeve 103 is uniform after the drug column 104 is coated.
In the embodiment, the grain 101 is preferably a wide pressure platform double-base propellant, and has the technical characteristics of high gas production efficiency of about 97%, low residue rate of about 3%, moderate combustion temperature of about (1000-1500) DEG C and good mechanical property; when in use, the high-combustion-temperature double-base propellant can ensure full combustion and is beneficial to reliable ignition under the conditions of low pressure and low temperature.
In this embodiment, the coating agent HS18-AF of the modified epoxy resin system is applied to the bottom and cylindrical surface of the grain 104, and the coating sleeve 103 is formed by injecting the glue solution and curing by means of back extrusion and vacuum pumping;
in this embodiment, the grains 104 are coated with a primer with a thickness of 0.3mm before coating, and then cured by air-drying for 24 hours;
in the embodiment, the primer adopts a zinc-rich epoxy adhesive, and is the same system as the coating agent HS18-AF, so that the compatibility is better, and the bonding force is stronger;
in this example, the coating agent HS18-AF contains TiO 2 The powder has a linear ablation rate lower than 0.1mm/s and a carbon fixation rate higher than 90%, and the formed coating sleeve has good mechanical property and integrity after combustion.
As shown in fig. 3 and 4, the cooling member 2 is composed of a cylinder 201, a head 202, a first orifice 203, a metal screen 204, a second orifice 205, an aluminum foil 206, a coolant 207, and a rectifying plate 208.
In the embodiment, the inner cavity of the end socket 201 is sequentially pressure-riveted with a first pore plate 203 and a metal filter screen 204, the first pore plate is in threaded connection with a second pore plate 205, and an aluminum foil 206 is bonded on the back side of the second pore plate 205 by using an iron anchor 101 adhesive; after the assembly is completed, the aluminum foil is riveted with the cylinder 201 under pressure to form a whole, the cavity is filled with a cooling agent 207, and the aluminum foil 206 is adhered to the small hole side of the rectifying plate 208 and is arranged at the split ring thread of the cylinder 201.
In this embodiment, the cylinder 201 and the end enclosure 202 are made of heat-resistant stainless steel 310s, and the circular seam is formed by vacuum electron beam welding after the two are pressure riveted;
in the present embodiment, al (OH) is used as the coolant 207 3 With SiO 2 The mixture is uniform, the particle size distribution is 0.5 mm-1 mm, and the filling density is (0.75-1) g/cm < 3 >; by using Al (OH) 3 The heat absorption is carried out, the decomposition reaction is carried out, and gas is generated, so that the gas yield of the charging part 1 is increased; siO2 2 Softening the heat to a molten state, adsorbing Al (OH) and burning the grains 104 3 Solid impurities generated by the decomposition reaction fix residues to prevent escape, and the cleanliness of output fuel gas is improved.
In the present embodiment, the rectifying plate 208 is provided with the orifice 208 a), and the gas passes through the orifice 208 a) to undergo a flow field change of expansion → contraction → expansion, so that the gas sufficiently contacts and reacts with the coolant.
In the present embodiment, the orifice 208 a) is 61-
Through-holes, each containing a pre-counterbore 208 b) of diameter
The rearward counterbore 208 c) has a diameter of
In the present embodiment, the aluminum foil 206 is made of commercial pure aluminum O, and has a thickness of 0.2mm. The aluminum foil 206 is used to prevent the coolant 207 from channeling from the cooling part 2 into the output ends of the charge part 1 and the cooling part 2.
In this embodiment, the metal screen 204 is formed by pressing stainless steel wires with a wire diameter of not less than 0.25mm, the compression ratio is 35% -50%, and the filtering precision is not less than 50 μm. The metal filter screen 204, the first orifice plate 203 and the second orifice plate 205 are cooled and filtered for the second time.
As shown in fig. 5, the diaphragm member 3 is composed of a throttle plate 301, a first heat insulating layer 302, and a second heat insulating layer 303. The first thermal insulation layer 302 and the second thermal insulation layer 303 were vulcanized on the throttle plate 301 using ethylene propylene diene monomer EPDM104, and the surface roughness was 1.6.
In the embodiment, the axial compression amount of the first thermal insulation layer 302 and the second thermal insulation layer 303, the inner shaft shoulder of the charging part 1 and the opening ring surface of the cooling part 2 is not less than 0.5mm, and the charging part 1 and the cooling part 2 are tightly pressed by applying an axial force through screwing of connecting threads of the charging part 1 and the cooling part 2.
As shown in fig. 6, the diaphragm member 5 is composed of a porous baffle 501, a cross diaphragm 502, and a heat insulating cover 503. The forward conduction pressure of the diaphragm component 5 is 6-8 MPa, and the reverse pressure-bearing pressure is more than 55MPa.
In this embodiment, the electric initiator 10 and the ignition cable 11 are both arranged in two ways, and the end faces of the copper pads I7 and II 9 are compressed and sealed.
The embodiment adopts the formula of mature double-base propellant for charging, utilizes the characteristics of stable combustion, reliable ignition, wide pressure application range, high gas production rate and low residue rate, and flexibly adjusts the proportion of charging and cooling agent, physical cooling agent (SiO 2) and chemical cooling agent (Al (OH) according to the required gas temperature 3 ) The mixing ratio and the temperature range of the output gas are adjustable. By utilizing a simple coating forming method of backward extrusion and vacuum pumping, the shape and the size of the naked grain are not limited, the requirement on energy indicative parameters is not high, and the selectable range is wide. Meanwhile, the characteristics of self cleanness and external adsorption carbon fixation of the charged fuel are fully utilized, and the fuel gas medium meeting the requirements of fuel gas temperature and cleanliness can be obtained through a plurality of simple test iterations. And compact structure is reasonable, and mechanical interface is unified, and module interchangeability is strong, raw and other materials are easily acquireed, have low cost, characteristics that the commonality is strong, and the large air demand's such as attitude control mechanism and life-saving equipment are maintained, fuel storage tank pressure boost, end to repair to the specially adapted cabin application occasions.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A compartment series gas generator is characterized in that: the powder charging part is in threaded connection with the cooling part, the diaphragm part is arranged between the powder charging part and the cooling part to form two sealed chambers, a powder box part and a double-circuit electric detonator are mounted at the outlet end of the powder charging part through a tee joint, the electric detonator is connected with an ignition cable, and a diaphragm part and a pressing screw are mounted at the outlet end of the cooling part;
the powder charging part comprises a shell, a third heat insulation layer, a coating sleeve and a powder column which are sequentially arranged from outside to inside, and a shaft shoulder positioning step is arranged on the inner wall of the outlet end of the shell;
the shell is made of low-carbon alloy steel material; the inner wall of the shell is vulcanized by ethylene propylene diene monomer EPDM104 to form a third heat insulation layer; the grain adopts double-base propellant; coating agent HS18-AF of a modified epoxy resin system is adopted on the bottom and the cylindrical surface of the explosive column, and a coating sleeve is formed by pouring glue solution and curing;
spraying a primer with the thickness of 0.3mm before coating the explosive column, wherein the primer adopts a zinc-rich epoxy adhesive;
the cooling component comprises a cylinder body, an end enclosure, a first pore plate, a metal filter screen, a second pore plate, an aluminum foil, a coolant and a rectifying plate, wherein the first pore plate and the metal filter screen are sequentially pressure riveted in an inner cavity of the end enclosure, the second pore plate is in threaded connection, the aluminum foil is bonded on the back side of the second pore plate by using an iron anchor 101 adhesive, and the tail end of the end enclosure is pressure riveted with the cylinder body to form a whole; a cooling agent is filled in the cavity of the cylinder, and an O-shaped sealing ring is arranged at the threaded connection part of the cylinder and the shell of the charging part; the rectifying plate is arranged at the thread position of the split ring of the cylinder body, a throttling hole is preset, and the aluminum foil is bonded on the side of the throttling hole;
the cylinder body and the end enclosure are both made of heat-resistant stainless steel 310s materials, and a circular seam formed by pressure riveting of the cylinder body and the end enclosure is welded by vacuum electron beams; the coolant adopts Al (OH) 3 With SiO 2 The mixture is uniform, the particle size distribution is 0.5 mm-1 mm, and the filling density is 0.75-1 g/cm 3 (ii) a The aluminum foil is made of industrial pure aluminum, and the thickness of the aluminum foil is 0.2mm; the metal filter screen is formed by pressing stainless steel wires with wire diameters not less than 0.25mmThe compressibility is 35% -50%, and the filtration precision is not lower than 50 μm; the orifice 61-
Through hole with pre-counter bore diameter
Diameter of postposition counter bore
2. The chambered, tandem gasifier as claimed in claim 1, wherein: the diaphragm component comprises a throttle plate, a first heat insulation layer and a second heat insulation layer, wherein the first heat insulation layer and the second heat insulation layer are vulcanized on the throttle plate respectively by ethylene propylene diene monomer EPDM104, and the surface roughness is 1.6; the axial compression amount of the first heat insulation layer, the second heat insulation layer, the charging part inner shaft shoulder positioning step and the cooling part opening ring surface is not less than 0.5mm, and the charging part and the cooling part are screwed by connecting threads to apply axial force for compressing to form two end face seals.
3. The chambered tandem gasifier of claim 1, wherein: the diaphragm component comprises a porous baffle, a cross diaphragm and a heat insulation sleeve which are sequentially arranged from outside to inside, wherein the forward conduction pressure of the diaphragm component is 6-8 MPa, and the reverse pressure-bearing pressure is more than 55MPa.
4. The chambered tandem gasifier of claim 1, wherein: and the joint of the electric initiator and the three-way joint and the joint of the three-way joint and the shell of the explosive charging part are respectively compressed and sealed at the end surfaces through a copper gasket I and a copper gasket II.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111185810.5A CN114017207B (en) | 2021-10-12 | 2021-10-12 | Chamber serial type gas generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111185810.5A CN114017207B (en) | 2021-10-12 | 2021-10-12 | Chamber serial type gas generator |
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| CN114017207A CN114017207A (en) | 2022-02-08 |
| CN114017207B true CN114017207B (en) | 2022-12-06 |
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| CN202111185810.5A Active CN114017207B (en) | 2021-10-12 | 2021-10-12 | Chamber serial type gas generator |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792526A (en) * | 2019-10-08 | 2020-02-14 | 湖北三江航天红林探控有限公司 | Double-pulse igniter with common-chamber time-sharing ignition output |
| CN111022217A (en) * | 2019-11-01 | 2020-04-17 | 湖北三江航天红林探控有限公司 | Interstage isolation and conduction device for double-pulse igniter |
| CN112523895A (en) * | 2020-11-30 | 2021-03-19 | 湖北三江航天红林探控有限公司 | Novel gas generator and inflation test method thereof |
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2021
- 2021-10-12 CN CN202111185810.5A patent/CN114017207B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792526A (en) * | 2019-10-08 | 2020-02-14 | 湖北三江航天红林探控有限公司 | Double-pulse igniter with common-chamber time-sharing ignition output |
| CN111022217A (en) * | 2019-11-01 | 2020-04-17 | 湖北三江航天红林探控有限公司 | Interstage isolation and conduction device for double-pulse igniter |
| CN112523895A (en) * | 2020-11-30 | 2021-03-19 | 湖北三江航天红林探控有限公司 | Novel gas generator and inflation test method thereof |
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| CN114017207A (en) | 2022-02-08 |
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