CN111186410A - Lower cover integrated type safety airbag gas generator - Google Patents
Lower cover integrated type safety airbag gas generator Download PDFInfo
- Publication number
- CN111186410A CN111186410A CN201910833547.2A CN201910833547A CN111186410A CN 111186410 A CN111186410 A CN 111186410A CN 201910833547 A CN201910833547 A CN 201910833547A CN 111186410 A CN111186410 A CN 111186410A
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- CN
- China
- Prior art keywords
- lower cover
- ignition
- medicine cup
- filter screen
- fixedly connected
- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R21/264—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R2021/26029—Ignitors
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention discloses a lower cover integrated type safety airbag gas generator, and relates to the technical field of safety airbags; the ignition device comprises a main body, a medicine cup, a filter screen, a propellant powder, a gas-producing powder filled between the filter screen and the medicine cup, an ignition tube which is positioned in the medicine cup and used for igniting the propellant powder, an ignition hole is arranged on the medicine cup, the main body comprises a lower cover, an upper cover fixedly connected on the lower cover, a flange is arranged on the edge of the lower cover, the flange and the lower cover are of an integrally formed structure, the middle of the lower cover protrudes inwards to the main body to form an installation platform and a groove positioned below the installation platform, a cup opening of the medicine cup is downwards sleeved on the installation platform and fixedly connected with the installation platform, a via hole is arranged on the installation platform, the ignition tube comprises an ignition end and an electrode, the ignition end is positioned in the medicine cup, one end of the electrode, far away from the ignition end, downwards penetrates through the via hole and is positioned in the groove, an injection molding. The invention avoids short circuit caused by residual metal fragments piercing the ignition tube.
Description
Technical Field
The invention belongs to the technical field of safety airbags, and particularly relates to a gas generator of a safety airbag with an integrated lower cover.
Background
The traditional safety airbag gas generator is complex in structure, a mounting table of the traditional safety airbag gas generator is fixedly connected to a lower cover through welding, metal fragments are easily remained on the mounting table, and the metal fragments easily cause the ignition tube to be punctured and short-circuited.
Disclosure of Invention
The invention aims to overcome the defect that an ignition tube in the prior art is easily punctured by residual metal fragments to cause short circuit, and provides a lower cover integrated safety airbag gas generator which can prevent the ignition tube from being punctured by the residual metal fragments to cause short circuit.
In order to achieve the purpose, the invention adopts the following technical scheme:
a lower cover integrated type safety airbag gas generator comprises a main body, a medicine cup and a filter screen which are positioned in the main body, a propellant powder which is positioned in the medicine cup, a gas producing medicine which is filled between the filter screen and the medicine cup, and an ignition tube which is positioned in the medicine cup and is used for igniting the propellant powder, wherein the medicine cup is provided with an ignition hole, the main body comprises a lower cover and an upper cover which is fixedly connected on the lower cover, the edge of the lower cover is provided with a flange, the flange and the lower cover are of an integrally formed structure, the middle of the lower cover is inwards protruded in the main body to form an installation platform and a groove which is positioned below the installation platform, the cup mouth of the medicine cup is downwards sleeved on the installation platform and is fixedly connected with the installation platform, the installation platform is provided with a through hole, the ignition tube comprises an ignition end and an electrode, the ignition end is positioned in the medicine cup, one end of the electrode, which is far away from the ignition end, downwards penetrates through the through hole and is, the ignition tube is fixedly connected to the injection molding body. The lower cover, the flange, the mounting table and the groove are formed by punching a steel plate, so that the production process is simplified, the production efficiency is improved, metal fragments are avoided, and the short circuit of the ignition tube is prevented.
Preferably, the inner side wall of the groove is provided with a convex point for preventing the injection molding body from falling off, the injection molding body is filled in the upper surface, the via hole and the groove of the mounting table, the lower side of the injection molding body is provided with a second groove, and one end, far away from the ignition end, of the electrode is located in the second groove. When the gas-producing drug begins to react, the inside of the drug cup is in a high-pressure state, and the salient points prevent the injection body from being flushed out and falling off.
Preferably, the cross section of the groove is a rounded polygon. The anti-rotation function is achieved.
Preferably, the upper cover is provided with an air outlet, and the inner side of the upper cover is provided with radial air guide grooves around the air outlet. When the filter screen is attached to the inner wall of the main body under the action of high-pressure gas, the filter screen gives vent to anger to the gas guide groove, and then the gas is collected to the gas outlet hole and leaves the main body from the gas outlet hole.
Preferably, a second air guide groove is formed between adjacent air guide grooves on the inner side of the upper cover, and the adjacent second air guide grooves are communicated through the second air guide groove. When the filter screen pastes the main part inner wall under high-pressure gas's effect, the filter screen is given vent to anger and is arrived the second air guide groove, and then gas collects the air guide groove, and then collects the venthole, then leaves the main part from the venthole.
Preferably, the medicine cup top cover is equipped with the uide bushing, uide bushing and medicine cup sliding connection, the uide bushing is equipped with the second ignition hole in ignition hole corresponding position, the rigid coupling has to be annular connecting plate on the uide bushing, the filter screen is the tube-shape, filter screen top rigid coupling is on the connecting plate, filter screen bottom rigid coupling covers under, be equipped with the spring on the connecting plate, spring one end is connected on the connecting plate, the spring other end is connected on covering, cover on the rigid coupling have be used for covering spacing arch for the uide bushing, medicine cup lateral wall, connecting plate, filter screen, lower cover enclose into a product gas district jointly, product gas medicine is filled in the product gas district. Further improves the gas outlet efficiency, and in the gas outlet process, the gas can not enter the medicine cup, thereby ensuring a good gas pressure curve and slow gas pressure attenuation.
Preferably, the lower cover comprises a side plate and a bottom plate, and the bottom end of the filter screen is fixedly connected to the junction of the side plate and the bottom plate. When gas is produced, the bottom end of the filter screen can receive horizontal and vertical forces, and when the bottom end of the filter screen is fixedly connected at the junction of the side plate and the bottom plate, the horizontal forces can be balanced by the side plate, so that the firmness of the bottom end of the filter screen is improved.
The invention has the beneficial effects that: the invention provides a lower cover integrated type safety airbag gas generator which can prevent an ignition tube from being punctured by residual metal fragments and short-circuited. In addition, the inflation speed is high.
Drawings
FIG. 1 is a schematic view of example 1;
FIG. 2 is a schematic view of example 2;
FIG. 3 is a schematic view of the upper cover;
FIG. 4 is a schematic view of the guide sleeve after upward movement;
FIG. 5 is a top view of the lower cover;
fig. 6 is a bottom view of the lower cover.
In the figure: the ignition device comprises a medicine cup 1, a filter screen 2, a transfer charge 3, a gas production medicine 4, an ignition tube 5, an ignition hole 6, a lower cover 7, an upper cover 8, a flange 9, a mounting platform 10, a groove 11, a via hole 12, an ignition end 13, an electrode 14, an injection molded body 15, a convex point 16, a second groove 17, a gas outlet hole 18, a gas guide groove 19, a second gas guide groove 20, a guide sleeve 21, a second ignition hole 22, a connecting plate 23, a spring 24, a limiting bulge 25, a gas production area 26, a side plate 27 and a bottom plate 28.
Detailed Description
The invention is explained in further detail below with reference to the figures and the detailed description:
example 1:
as shown in fig. 1, 5 and 6, a lower cover integrated airbag gas generator comprises a main body, a medicine cup 1 and a filter screen 2 which are positioned in the main body, a transfer charge 3 which is positioned in the medicine cup 1, a gas producing charge 4 which is filled between the filter screen 2 and the medicine cup 1, and an ignition tube 5 which is positioned in the medicine cup 1 and is used for igniting the transfer charge 3, wherein an ignition hole 6 is arranged on the medicine cup 1, the main body comprises a lower cover 7 and an upper cover 8 which is fixedly connected on the lower cover 7, and a gas outlet 18 is arranged on the upper cover 8; the edge of the lower cover 7 is provided with a flange 9, the flange 9 and the lower cover 7 are of an integrally formed structure, the middle of the lower cover 7 protrudes inwards to the main body to form an installation platform 10 and a groove 11 positioned below the installation platform 10, and the cross section of the groove 11 is in a shape of a rounded polygon; the cup mouth of the medicine cup 1 is downwards sleeved on the mounting table 10 and fixedly connected with the mounting table 10, a through hole 12 is formed in the mounting table 10, the ignition tube 5 comprises an ignition end 13 and an electrode 14, the ignition end 13 is located in the medicine cup 1, one end, far away from the ignition end 13, of the electrode 14 downwards penetrates through the through hole 12 and is located in the groove 11, an injection molding body 15 used for sealing the through hole 12 and preventing gas from leaking from the through hole 12 is arranged on the mounting table 10, and the ignition tube 5 is fixedly connected to the injection molding body 15; the inside wall of the groove 11 is provided with a salient point 16 for preventing the injection molded body 15 from falling off, the injection molded body 15 is filled in the upper surface of the mounting table 10, the via hole 12 and the groove 11, the lower side of the injection molded body 15 is provided with a second groove 17, and one end of the electrode 14, which is far away from the ignition end 13, is positioned in the second groove 17.
The use process of the embodiment is as follows:
the flange 9 is connected to the automobile, the flange 9, the lower cover 7, the mounting table 10 and the groove 11 are formed by punching through a steel plate, the production efficiency is high, and the number of parts is greatly reduced; the electrode 14 is connected with an automobile ECU, after collision occurs, the ECU sends a signal to the ignition tube 5, the ignition tube 5 ignites the transfer powder 3, the ignition hole 6 and the vent hole 18 are provided with aluminum foils for sealing, the transfer powder 3 breaks the aluminum foils of the ignition hole 6 and ignites the gas production powder 4, the gas production powder 4 reacts to generate a large amount of gas, the gas passes through the filter screen 2 and breaks the aluminum foils on the vent hole to inflate the safety airbag, and the generated gas goes to the safety airbag through the vent hole, so that the injection molding body 15 is easily broken by high-pressure gas and falls off in the prior art; in this embodiment, the convex points 16 prevent the injection molded body 15 from being punched out, and the cross section of the groove 11 is a rounded polygon, so that the rotation prevention function is achieved, and the stability of the injection molded body 15 is ensured. In this embodiment, the top end of the medicine cup 1 is fixedly connected with the second connecting plate, the top end of the filter screen 2 is fixedly connected with the second connecting plate, the bottom end of the filter screen is fixedly connected with the lower cover, the filter screen 2, the second connecting plate, the medicine cup 1 and the lower cover 7 enclose a second gas production area, and the gas production medicine 4 is filled in the second gas production area.
Example 2:
fig. 2 to 4 show a lower cover integrated airbag inflator, which comprises a main body, a medicine cup 1 and a filter screen 2 located in the main body, a transfer charge 3 located in the medicine cup 1, a gas generating charge 4 filled between the filter screen 2 and the medicine cup 1, and an ignition tube 5 located in the medicine cup 1 and used for igniting the transfer charge 3, wherein an ignition hole 6 is arranged on the medicine cup 1, the main body comprises a lower cover 7 and an upper cover 8 fixedly connected to the lower cover 7, an air outlet 18 is arranged on the upper cover 8, and a radial air guide groove 19 is arranged around the air outlet 18 on the inner side of the upper cover 8; a second air guide groove 20 is arranged between the adjacent air guide grooves 19 on the inner side of the upper cover 8, and the adjacent second air guide grooves 20 are communicated through the second air guide grooves 20; the edge of the lower cover 7 is provided with a flange 9, the flange 9 and the lower cover 7 are of an integrally formed structure, the middle of the lower cover 7 protrudes inwards to the main body to form an installation platform 10 and a groove 11 positioned below the installation platform 10, and the cross section of the groove 11 is in a shape of a rounded polygon; the cup mouth of the medicine cup 1 is downwards sleeved on the mounting table 10 and fixedly connected with the mounting table 10, a through hole 12 is formed in the mounting table 10, the ignition tube 5 comprises an ignition end 13 and an electrode 14, the ignition end 13 is located in the medicine cup 1, one end, far away from the ignition end 13, of the electrode 14 downwards penetrates through the through hole 12 and is located in the groove 11, an injection molding body 15 used for sealing the through hole 12 and preventing gas from leaking from the through hole 12 is arranged on the mounting table 10, and the ignition tube 5 is fixedly connected to the injection molding body 15; the inner side wall of the groove 11 is provided with a convex point 16 for preventing the injection molding body 15 from falling off, the injection molding body 15 is filled in the upper surface of the mounting table 10, the via hole 12 and the groove 11, the lower side of the injection molding body 15 is provided with a second groove 17, and one end of the electrode 14, which is far away from the ignition end 13, is positioned in the second groove 17; the top end of the medicine cup 1 is sleeved with a guide sleeve 21, the guide sleeve 21 is connected with the medicine cup 1 in a sliding mode, a second ignition hole 22 is formed in the position, corresponding to the ignition hole 6, of the guide sleeve 21, an annular connecting plate 23 is fixedly connected to the guide sleeve 21, the filter screen 2 is cylindrical, the top end of the filter screen 2 is fixedly connected to the connecting plate 23, the bottom end of the filter screen 2 is fixedly connected to the lower cover 7, the lower cover 7 comprises a side plate 27 and a bottom plate 28, and the bottom end of the filter screen 2 is fixedly connected to the junction of the side plate 27 and the bottom plate 28; the gas production device is characterized in that a spring 24 is arranged on the connecting plate 23, one end of the spring 24 is connected to the connecting plate 23, the other end of the spring 24 is connected to the upper cover 8, a limiting protrusion 25 used for limiting the guide sleeve 21 is fixedly connected to the upper cover 8, a gas production area 26 is defined by the outer side wall of the medicine cup 1, the connecting plate 23, the filter screen 2 and the lower cover 7 together, and the gas production medicine 4 is filled in the gas production area 26.
When the embodiment is used:
the flange 9 is connected to the automobile, the flange 9, the lower cover 7, the mounting table 10 and the groove 11 are formed by punching through a steel plate, the production efficiency is high, and the number of parts is greatly reduced; the electrode 14 is connected with the automobile ECU, when the collision happens, the ECU sends a signal to the ignition tube 5, the ignition tube 5 ignites the transfer charge 3, the ignition hole 6 and the air outlet hole 18 are provided with aluminum foils for sealing, the transfer charge 3 breaks through the aluminum foils of the ignition hole 6, then the gas production medicine 4 is ignited through the second ignition hole 22, the gas production medicine 4 reacts to generate a large amount of gas, the gas breaks through the aluminum foil on the air outlet hole through the filter screen 2 to inflate the safety airbag, because the gas is produced quickly, the air pressure of the gas production area rises rapidly, the connecting plate 23 moves upwards under high pressure, the guide sleeve 21 slides upwards, the ignition hole 6 is aligned with the second ignition hole 22 at the beginning, after the sliding, the second ignition hole 22 is staggered with the ignition hole 6, the ignition hole 6 is blocked by the guide sleeve 21, thereby preventing the gas from flowing to the medicine cup 1 through the ignition hole 6 and preventing the gas from rushing out the injection molding body 15 to fall off. The gas of production all goes to air bag through the venthole, and in addition, when connecting plate 23 upward movement, spring 24 is compressed, plays certain cushioning effect, and connecting plate 23 supports after sliding and leans on spacing arch 25, prevents excessive slip, in connecting plate 23 upward movement, can strut filter screen 2, prevents that filter screen 2 from pasting on the main part inside wall. In the prior art, if the filter screen 2 is attached to the inner side wall of the main body, the filter screen 2 only gives vent to air at the air outlet hole part, and the air outlet speed is reduced. In this embodiment, prop open filter screen 2 after, 2 area grow of filter screen further accelerate the speed of giving vent to anger, in addition, filter screen 2 pastes at the main part inside wall, and filter screen 2 also can give vent to anger near the air guide groove 19 of venthole and second air guide groove 20, then collects the venthole, and then aerifys for air bag. In the prior art, the injection molding body 15 is easy to be flushed out by high-pressure gas and fall off; in this embodiment, the convex points 16 prevent the injection molded body 15 from being punched out, and the cross section of the groove 11 is a rounded polygon, so that the rotation prevention function is achieved, and the stability of the injection molded body 15 is ensured. When the reaction of the gas producing medicine 4 approaches the end sound, the gas producing speed is reduced, and at the moment, if the gas pressure in the gas producing area is reduced, the pressure on the lower side of the connecting plate 23 is not enough to resist the force of the spring 24, the connecting plate 23 moves downwards.
Claims (7)
1. A lower cover integrated type safety airbag gas generator comprises a main body, a medicine cup and a filter screen which are positioned in the main body, a propellant powder which is positioned in the medicine cup, a gas producing medicine which is filled between the filter screen and the medicine cup, and an ignition tube which is positioned in the medicine cup and is used for igniting the propellant powder, wherein an ignition hole is arranged on the medicine cup, the main body comprises a lower cover and an upper cover which is fixedly connected on the lower cover, a flange is arranged on the edge of the lower cover, the flange and the lower cover are of an integrated structure, the middle of the lower cover protrudes inwards the main body to form an installation platform and a groove which is positioned below the installation platform, the cup mouth of the medicine cup is downwards sleeved on the installation platform and is fixedly connected with the installation platform, a through hole is arranged on the installation platform, the ignition tube comprises an ignition end and an electrode, the ignition end is positioned in the medicine cup, one end of the electrode, which is far away from the ignition end, the mounting table is provided with an injection molding body used for sealing the via hole and preventing gas from leaking from the via hole, and the ignition tube is fixedly connected to the injection molding body.
2. The lower cover integrated type airbag inflator according to claim 1, wherein the inner side wall of the groove is provided with a convex point for preventing the injection molded body from falling off, the injection molded body is filled in the upper surface of the mounting table, the through hole and the groove, the lower side of the injection molded body is provided with a second groove, and one end of the electrode, which is far away from the ignition end, is positioned in the second groove.
3. A lower-cover-integrated airbag inflator in accordance with claim 1 wherein the cross-section of the groove is a rounded polygon.
4. The lower cover integrated type airbag inflator according to claim 1, wherein the upper cover is provided with an air outlet hole, and the inner side of the upper cover is provided with air guide grooves in a radial shape around the air outlet hole.
5. The lower cover-integrated airbag inflator of claim 4, wherein the inner side of the upper cover is provided with second air guide grooves between adjacent air guide grooves, and the adjacent second air guide grooves are communicated through the second air guide grooves.
6. The lower cover integrated airbag gas generator as claimed in claim 1, wherein a guide sleeve is sleeved on the top end of the medicine cup, the guide sleeve is slidably connected with the medicine cup, a second ignition hole is formed in the position, corresponding to the ignition hole, of the guide sleeve, an annular connecting plate is fixedly connected to the guide sleeve, the filter screen is cylindrical, the top end of the filter screen is fixedly connected to the connecting plate, the bottom end of the filter screen is fixedly connected to the lower cover, a spring is arranged on the connecting plate, one end of the spring is connected to the connecting plate, the other end of the spring is connected to the upper cover, a limiting protrusion for limiting the guide sleeve is fixedly connected to the upper cover, a gas production area is defined by the outer side wall of the medicine cup, the connecting plate, the filter screen and the lower cover together, and the gas production medicine is filled in the gas production area.
7. A lower cover integrated type air bag gas generator according to claim 1, 2, 3, 4, 5 or 6, wherein said lower cover comprises a side plate and a bottom plate, and the bottom end of said filter screen is fixedly connected to the junction of the side plate and the bottom plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910833547.2A CN111186410B (en) | 2019-09-04 | 2019-09-04 | Lower cover integrated type safety airbag gas generator |
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CN201910833547.2A CN111186410B (en) | 2019-09-04 | 2019-09-04 | Lower cover integrated type safety airbag gas generator |
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CN111186410A true CN111186410A (en) | 2020-05-22 |
CN111186410B CN111186410B (en) | 2022-04-26 |
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CN201910833547.2A Active CN111186410B (en) | 2019-09-04 | 2019-09-04 | Lower cover integrated type safety airbag gas generator |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112124245A (en) * | 2020-09-25 | 2020-12-25 | 均胜汽车安全系统(湖州)有限公司 | Bipolar gas generator for pyrotechnic safety airbag |
WO2023174313A1 (en) * | 2022-03-15 | 2023-09-21 | 湖北航天化学技术研究所 | Integral ignition structure and compressed-gas-type fuel gas generator |
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US5516147A (en) * | 1994-10-12 | 1996-05-14 | Morton International, Inc. | Stamped metal toroidal hybrid gas generator with sliding piston |
CN1377316A (en) * | 1999-10-04 | 2002-10-30 | 大赛璐化学工业株式会社 | Gas generator for air bags and air bag device |
US20030137139A1 (en) * | 1997-12-26 | 2003-07-24 | Daicel Chemical Industries, Ltd. | Airbag gas generator and an airbag apparatus |
CN105283357A (en) * | 2013-03-29 | 2016-01-27 | 日本化药株式会社 | Gas generator |
CN205010167U (en) * | 2015-09-15 | 2016-02-03 | 比亚迪股份有限公司 | Gas generator , air bag and have this air bag's car |
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2019
- 2019-09-04 CN CN201910833547.2A patent/CN111186410B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5516147A (en) * | 1994-10-12 | 1996-05-14 | Morton International, Inc. | Stamped metal toroidal hybrid gas generator with sliding piston |
US20030137139A1 (en) * | 1997-12-26 | 2003-07-24 | Daicel Chemical Industries, Ltd. | Airbag gas generator and an airbag apparatus |
CN1377316A (en) * | 1999-10-04 | 2002-10-30 | 大赛璐化学工业株式会社 | Gas generator for air bags and air bag device |
CN105283357A (en) * | 2013-03-29 | 2016-01-27 | 日本化药株式会社 | Gas generator |
CN205010167U (en) * | 2015-09-15 | 2016-02-03 | 比亚迪股份有限公司 | Gas generator , air bag and have this air bag's car |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112124245A (en) * | 2020-09-25 | 2020-12-25 | 均胜汽车安全系统(湖州)有限公司 | Bipolar gas generator for pyrotechnic safety airbag |
WO2023174313A1 (en) * | 2022-03-15 | 2023-09-21 | 湖北航天化学技术研究所 | Integral ignition structure and compressed-gas-type fuel gas generator |
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CN111186410B (en) | 2022-04-26 |
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