CN112109657A - Low-cost high-output columnar pyrotechnic safety airbag gas generator - Google Patents
Low-cost high-output columnar pyrotechnic safety airbag gas generator Download PDFInfo
- Publication number
- CN112109657A CN112109657A CN202010812570.6A CN202010812570A CN112109657A CN 112109657 A CN112109657 A CN 112109657A CN 202010812570 A CN202010812570 A CN 202010812570A CN 112109657 A CN112109657 A CN 112109657A
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- Prior art keywords
- container
- pipe body
- ignition
- blasting
- assembly
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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
- B60R21/2644—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 using only solid reacting substances, e.g. pellets, powder
-
- 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
-
- 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
- B60R21/261—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 with means other than bag structure to diffuse or guide inflation fluid
-
- 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
-
- 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
- B60R2021/26011—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 a filter through which the inflation gas passes
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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 low-cost high-output columnar pyrotechnic safety airbag gas generator which comprises a pipe body, wherein an ignition assembly, a blasting basin, a filter screen and a gasket are sequentially arranged in the pipe body from left to right, the ignition assembly is positioned at the left end of the pipe body and is in sealed connection with the pipe body, the blasting basin, the filter screen and the gasket are all positioned at the right end of the pipe body, the blasting basin is fixedly connected with the pipe body, the left end of the blasting basin is provided with an opening, the right end of the blasting basin is sealed and is provided with a plurality of uniformly distributed notches, the pipe body is provided with a plurality of exhaust holes corresponding to the positions of the filter screen, a medicine cavity is arranged in the pipe body and is positioned between the ignition assembly and the blasting basin, and automatic ignition medicines and. The invention has the beneficial effects that: simple structure, the equipment is convenient, and part quantity is less, and the cost is lower.
Description
Technical Field
The invention relates to the technical field of gas generators, in particular to a columnar pyrotechnic safety airbag gas generator with low cost and high output.
Background
Gas generators currently available on the market as side and knee airbags are largely divided into two categories: one is a hybrid gas generator, i.e., the gas required for airbag deployment comes from the powder and high pressure gas stored inside the gas generator; another type is a pyrotechnic gas generator, i.e. the gas required for airbag deployment is entirely derived from the combustion of gunpowder inside the generator.
Most of the pyrotechnic columnar gas generators in the existing market need an independent cavity for holding gunpowder, and an independent throttle valve or a flow restrictor is used for controlling the internal pressure of gas generation and the flow rate of gas after ignition. The gas generator has the advantages that the requirements of expected gas output slope, time, pressure and the like are met, the sealing effect is achieved through a single rupture disk or other similar devices, the moisture content of stored gunpowder in the gas generator is prevented from exceeding the standard and affecting the performance of the generator, and therefore the processing cost is high.
Disclosure of Invention
The invention provides a columnar pyrotechnic safety airbag gas generator which can reduce the processing cost and has low cost and high output, aiming at overcoming the defect that the processing cost of a pyrotechnic columnar gas generator in the prior art is higher.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a column firework formula air bag gas generator of low-cost high output, it includes the body, from left to right be equipped with ignition assembly, blasting dish, filter screen and gasket in the body in proper order, ignition assembly is located the left end of body, and with body sealing connection, blasting dish, filter screen and gasket all are located the right-hand member of body, blasting dish and body fixed connection, the left end of blasting dish is equipped with the opening, the right-hand member of blasting dish is sealed and is equipped with a plurality of evenly distributed's grooving, be equipped with a plurality of and the corresponding exhaust hole in filter screen position on the body, be equipped with the powder chamber in the body, the powder chamber is located between ignition assembly and the blasting dish, be equipped with automatic ignition powder and gas production medicine in the powder chamber.
The body is interior from left to right is equipped with the ignition assembly in proper order, the blasting dish, filter screen and gasket, the ignition assembly is located the left end of body, and with body sealing connection, the blasting dish, filter screen and gasket all are located the right-hand member of body, blasting dish and body fixed connection, the left end of blasting dish is equipped with the opening, the sealed carving groove that just is equipped with a plurality of evenly distributed of right-hand member of blasting dish, be equipped with a plurality of and the corresponding exhaust hole in filter screen position on the body, be equipped with the powder chamber in the body, the powder chamber is located between ignition assembly and the blasting dish, be equipped with automatic ignition powder and produce the gas powder in the. The right end of the blasting disk is provided with a notch, when the generator is ignited, the inner gunpowder is combusted, the pressure is increased, and the notch becomes a weak point in the whole generator. When the high-temperature high-pressure gas in the generator reaches a preset pressure value, the notch groove can be opened according to a designed mode, and the gas is discharged out of the generator from the exhaust hole in the tube body after being filtered by the filter screen. In the whole process, the blasting disc can meet the requirements of controlling the internal pressure of the gas generator and the flow rate of high-temperature and high-pressure gas, a throttle valve or a current limiter is replaced by a simple structure, and meanwhile, the exhaust hole is formed in the pipe body, so that the original diffuser is saved, and the purpose of reducing the processing cost is achieved.
Preferably, the left end of the blasting disk is in interference fit with the pipe body, and the blasting disk is fixedly connected with the pipe body through laser welding. The design makes the blasting disc not only can provide sealing performance, can also realize the function of choke valve or current limiter, and a part can reach the function of two parts, greatly reduced the processing cost.
Preferably, the filter screen matches and constitutes a drum type structure with the inner wall of body, and the internal diameter of filter screen is the same with the internal diameter of blasting dish right-hand member. The design is favorable to high temperature high pressure gas to enter into the filter screen completely through opening the notch on the blasting dish to discharge from the exhaust hole through the filter screen filtration, reasonable in design.
Preferably, the filter screen covers a plurality of exhaust hole completely, and the left end of filter screen contacts with the blasting dish, and the right-hand member of filter screen contacts with the gasket, gasket and body inner wall fixed connection. The design makes high temperature high pressure gas more high-efficiently discharge from the exhaust hole through the filter screen filtration to be full of air bag, help improving the security performance to the human body.
Preferably, the left end of the tube body is provided with a closing opening, and the ignition assembly is arranged at the closing opening. The close-up design enables gunpowder in the tube body to meet the requirement of sealed storage.
Preferably, the ignition assembly comprises a short circuit clamp, a container and an ignition tool, the short circuit clamp is installed in the collection port, the container is installed in the tube body, a sealing ring is arranged on the outer side wall of the container, the container is connected with the tube body in a sealing mode through the sealing ring, the left end of the ignition tool is located in the short circuit clamp and located on the left side of the container, the right end of the ignition tool penetrates through the right side of the container and located on the container, a medicine cup assembly is arranged on the right side of the container, the container is integrated with the short circuit clamp, the ignition tool and the medicine cup assembly through injection molding, the right end of the ignition tool is located in. The container, the short-circuit clamp, the ignition device and the cup assembly are made as one part by an injection molding process, and in this way, metal materials and processing costs can be saved.
Preferably, the igniter comprises a base and two electrodes, the base is positioned on the right side of the container and positioned in the medicine cup assembly, the base is respectively integrated with the container and the medicine cup assembly through injection molding, one end of each electrode is positioned in the short circuit clamp, and the other end of each electrode penetrates through the container and is fixedly connected with the base. The electrodes facilitate the introduction of external current into the base and ignition of the primer.
Preferably, the medicine cup subassembly includes medicine cup body and spring, and the transfer powder is located the medicine cup this internally, and the open end of medicine cup body forms integratively with base and container respectively through moulding plastics, and the base is located the open end of medicine cup body, and the lateral wall and the body inner wall phase-match of medicine cup body open end, the spring housing locate the bottom outside of medicine cup body, the one end of spring and the lateral wall fixed connection of medicine cup body, and the other end of spring is located the medicine intracavity. The invention can load different loading quantities by using the pipe bodies with different lengths and the springs, thereby realizing different output requirements.
Preferably, the outer diameter of the bottom of the cup body is smaller than that of the opening end of the cup body. The spring and the outer side wall of the medicine cup body are fixedly connected and clamped with the outer side wall of the medicine cup body, so that the connection strength of the spring and the outer side wall of the medicine cup body is enhanced, and the stability of the structure is improved.
The invention has the beneficial effects that: the structure is simple, the assembly is convenient, the number of parts is small, and the cost is low; different loading amounts can be loaded by using different lengths of pipe bodies and springs, so that different output requirements can be realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a burst disk;
fig. 3 is a left side view of fig. 2.
In the figure: 1. the ignition device comprises a pipe body, 2 an ignition assembly, 3 an explosion disc, 4 a filter screen, 5 a gasket, 6 an opening, 7 a notch, 8 an exhaust hole, 9 a explosive cavity, 10 an automatic ignition explosive, 11 a gas producing explosive, 12 a closing-in, 13 a short circuit clamp, 14 a container, 15 an ignition tool, 16 a sealing ring, 17 a explosive cup component, 18 a transfer charge, 19 a base, 20 an electrode, 21 an explosive cup body and 22 a spring.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
In the embodiment shown in fig. 1, the low-cost high-output cylindrical pyrotechnic airbag inflator comprises a pipe body 1, an ignition assembly 2, a rupture disk 3, a filter screen 4 and a gasket 5 are sequentially arranged in the pipe body 1 from left to right, the ignition assembly 2 is arranged at the left end of the pipe body 1, and is hermetically connected with the pipe body 1, the blasting disc 3, the filter screen 4 and the gasket 5 are all positioned at the right end of the pipe body 1, the blasting disc 3 is fixedly connected with the pipe body 1, as shown in fig. 1 and 2, the left end of the rupture disk 3 is provided with an opening 6, as shown in fig. 2 and 3, the right end of the rupture disk 3 is sealed and provided with a plurality of evenly distributed notches 7, as shown in fig. 1, a plurality of exhaust holes 8 corresponding to the positions of the filter screens 4 are arranged on the tube body 1, a powder cavity 9 is arranged in the tube body 1, the powder cavity 9 is positioned between the ignition assembly 2 and the blasting disk 3, and an automatic ignition powder 10 and a gas production powder 11 are arranged in the powder cavity 9.
As shown in fig. 1, the left end of the rupture disk 3 is in interference fit with the pipe body 1, and the rupture disk 3 is fixedly connected with the pipe body 1 by laser welding. The filter screen 4 matches with the inner wall of the tube body 1 and forms a cylindrical structure, and the inner diameter of the filter screen 4 is the same as that of the right end of the blasting disk 3. Filter screen 4 covers a plurality of exhaust hole 8 completely, and the left end of filter screen 4 contacts with blasting dish 3, and the right-hand member of filter screen 4 contacts with gasket 5, gasket 5 and 1 inner wall fixed connection of body. The left end of body 1 is equipped with binding off 12, and ignition assembly 2 is installed in binding off 12 department.
As shown in fig. 1, the ignition assembly 2 includes a short circuit clamp 13, a container 14 and an ignition tool 15, the short circuit clamp 13 is installed in the closing-in 12, the container 14 is installed in the tube body 1, a sealing ring 16 is arranged on the outer side wall of the container 14, the container 14 is connected with the tube body 1 in a sealing manner through the sealing ring 16, the left end of the ignition tool 15 is located in the short circuit clamp 13 and located on the left side of the container 14, the right end of the ignition tool 15 penetrates through the container 14 and located on the right side of the container 14, a cup assembly 17 is arranged on the right side of the container 14, the container 14 is respectively integrated with the short circuit clamp 13, the ignition tool 15 and the cup assembly 17 through injection molding, the right end of the ignition tool 15 is located in the.
As shown in fig. 1, the igniter 15 includes a base 19 and two electrodes 20, the base 19 is located at the right side of the container 14 and located in the cup assembly 17, the base 19 is respectively integrated with the container 14 and the cup assembly 17 by injection molding, one end of the electrode 20 is located in the shorting clip 13, and the other end of the electrode 20 penetrates through the container 14 and is fixedly connected with the base 19.
As shown in fig. 1, the medicine cup assembly 17 includes a medicine cup body 21 and a spring 22, the transfer powder 18 is located in the medicine cup body 21, the open end of the medicine cup body 21 is integrated with a base 19 and a container 14 respectively by injection molding, the base 19 is located in the open end of the medicine cup body 21, the outer side wall of the open end of the medicine cup body 21 is matched with the inner wall of the tube body 1, the spring 22 is sleeved outside the bottom of the medicine cup body 21, one end of the spring 22 is fixedly connected with the outer side wall of the medicine cup body 21, and the other end of the spring 22 is located in the medicine cavity 9. The outer diameter of the bottom of the medicine cup body 21 is smaller than that of the opening end thereof.
The igniter 15 receives the electric pulse signal, detonates and ignites the transfer charge 18, the transfer charge 18 is ignited and then rapidly burns, the cup body 21 is opened, and the automatic ignition charge 10 and the gas generant charge 11 are ignited after the cup body 21 is opened. After the gas generating agent 11 is burnt, the internal pressure of the tube body 1 rises sharply to break the notch 7 of the blasting disc 3, and high-temperature and high-pressure gas is filtered by the filter screen 4 and then is discharged through the vent hole 8 on the tube body 1 to enter the air bag.
Claims (9)
1. A columnar pyrotechnic airbag gas generator with low cost and high output is characterized by comprising a pipe body (1), wherein an ignition assembly (2), a blasting disc (3), a filter screen (4) and a gasket (5) are sequentially arranged in the pipe body (1) from left to right, the ignition assembly (2) is located at the left end of the pipe body (1) and is in sealing connection with the pipe body (1), the blasting disc (3), the filter screen (4) and the gasket (5) are all located at the right end of the pipe body (1), the blasting disc (3) is fixedly connected with the pipe body (1), an opening (6) is formed in the left end of the blasting disc (3), the right end of the blasting disc (3) is sealed and is provided with a plurality of uniformly distributed notches (7), a plurality of exhaust holes (8) corresponding to the positions of the filter screen (4) are formed in the pipe body (1), and a powder cavity (9) is arranged in the pipe body (1), the explosive cavity (9) is positioned between the ignition assembly (2) and the blasting disc (3), and automatic ignition explosive (10) and gas production explosive (11) are arranged in the explosive cavity (9).
2. The low-cost high-output cylindrical pyrotechnic airbag gas generator as claimed in claim 1, wherein the left end of the rupture disk (3) is in interference fit with the tube body (1), and the rupture disk (3) is fixedly connected with the tube body (1) by laser welding.
3. A low cost high output cylindrical pyrotechnic airbag inflator in accordance with claim 1 or 2 wherein the screen (4) is fitted to the inner wall of the tube body (1) and forms a cylindrical structure, the inside diameter of the screen (4) being the same as the inside diameter of the right end of the burst disk (3).
4. A low cost high output cylindrical pyrotechnic airbag inflator in accordance with claim 3 wherein the screen (4) completely covers the plurality of vent holes (8), the left end of the screen (4) contacts the rupture disk (3), the right end of the screen (4) contacts the gasket (5), and the gasket (5) is fixedly attached to the inner wall of the tube (1).
5. A low cost high output cylindrical pyrotechnic airbag inflator in accordance with claim 1 wherein said tube (1) is provided at a left end thereof with a neck (12) and said ignition assembly (2) is mounted at said neck (12).
6. A low cost high output cylindrical pyrotechnic airbag inflator according to claim 5 wherein the ignition assembly (2) comprises a shorting clip (13), a container (14) and an ignition device (15), the shorting clip (13) is mounted in the closing-up (12), the container (14) is mounted in the tube body (1), the outer side wall of the container (14) is provided with a sealing ring (16), the container (14) is connected with the tube body (1) in a sealing way through the sealing ring (16), the left end of the ignition device (15) is located in the shorting clip (13) and on the left side of the container (14), the right end of the ignition device (15) penetrates through the container (14) and is located on the right side of the container (14), the right side of the container (14) is provided with a medicine cup assembly (17), the container (14) is respectively integrated with the shorting clip (13), the ignition device (15) and the medicine cup assembly (17) by injection molding, the right end of the ignition tool (15) is positioned in the medicine cup assembly (17), and a transfer charge (18) is arranged in the medicine cup assembly (17).
7. The low-cost high-output cylindrical pyrotechnic airbag inflator according to claim 6, wherein the igniter (15) comprises a base (19) and two electrodes (20), the base (19) is positioned at the right side of the container (14) and positioned in the cup assembly (17), the base (19) is respectively integrated with the container (14) and the cup assembly (17) through injection molding, one end of each electrode (20) is positioned in the short circuit clamp (13), and the other end of each electrode (20) penetrates through the container (14) and is fixedly connected with the base (19).
8. The low-cost high-output columnar pyrotechnic airbag gas generator as claimed in claim 7, wherein the cup assembly (17) comprises a cup body (21) and a spring (22), the pyrotechnic composition (18) is located in the cup body (21), the open end of the cup body (21) is respectively integrated with a base (19) and a container (14) through injection molding, the base (19) is located in the open end of the cup body (21), the outer side wall of the open end of the cup body (21) is matched with the inner wall of the tube body (1), the spring (22) is sleeved outside the bottom of the cup body (21), one end of the spring (22) is fixedly connected with the outer side wall of the cup body (21), and the other end of the spring (22) is located in the cavity (9).
9. A low cost high output cylindrical pyrotechnic airbag inflator in accordance with claim 8 wherein said cup body (21) has a bottom outer diameter less than the outer diameter of the open end thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010812570.6A CN112109657A (en) | 2020-08-13 | 2020-08-13 | Low-cost high-output columnar pyrotechnic safety airbag gas generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010812570.6A CN112109657A (en) | 2020-08-13 | 2020-08-13 | Low-cost high-output columnar pyrotechnic safety airbag gas generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112109657A true CN112109657A (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010812570.6A Pending CN112109657A (en) | 2020-08-13 | 2020-08-13 | Low-cost high-output columnar pyrotechnic safety airbag gas generator |
Country Status (1)
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| CN (1) | CN112109657A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320498A (en) * | 2021-06-30 | 2021-08-31 | 均胜汽车安全系统(湖州)有限公司 | Compact side airbag gas generator |
| CN113432989A (en) * | 2021-05-19 | 2021-09-24 | 均胜汽车安全系统(湖州)有限公司 | Hoodlifter pipe body water pressure testing method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5542702A (en) * | 1995-03-27 | 1996-08-06 | Morton International, Inc. | Pressurized gas inflator for vehicle occupant protection systems |
| US20050046161A1 (en) * | 2003-08-27 | 2005-03-03 | Canterberry Jb | Pyrotechnic side impact inflator |
| CN200974519Y (en) * | 2006-12-01 | 2007-11-14 | 中国工程物理研究院电子工程研究所 | Igniter for safety air bag |
| US20120145030A1 (en) * | 2009-06-26 | 2012-06-14 | Dong Wang | Hybrid gas generator |
| CN205615467U (en) * | 2016-04-24 | 2016-10-05 | 高田（长兴）汽车安全装置有限公司 | Knee protection gas generator for air bag |
| CN107264463A (en) * | 2017-05-16 | 2017-10-20 | 百利得(湖州)汽车安全系统有限公司 | A kind of columnar gas generator architecture |
| CN206954171U (en) * | 2017-05-16 | 2018-02-02 | 百利得(湖州)汽车安全系统有限公司 | A kind of small-sized pyrotechnic airbag gas generator of column |
-
2020
- 2020-08-13 CN CN202010812570.6A patent/CN112109657A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5542702A (en) * | 1995-03-27 | 1996-08-06 | Morton International, Inc. | Pressurized gas inflator for vehicle occupant protection systems |
| US20050046161A1 (en) * | 2003-08-27 | 2005-03-03 | Canterberry Jb | Pyrotechnic side impact inflator |
| CN200974519Y (en) * | 2006-12-01 | 2007-11-14 | 中国工程物理研究院电子工程研究所 | Igniter for safety air bag |
| US20120145030A1 (en) * | 2009-06-26 | 2012-06-14 | Dong Wang | Hybrid gas generator |
| CN205615467U (en) * | 2016-04-24 | 2016-10-05 | 高田（长兴）汽车安全装置有限公司 | Knee protection gas generator for air bag |
| CN107264463A (en) * | 2017-05-16 | 2017-10-20 | 百利得(湖州)汽车安全系统有限公司 | A kind of columnar gas generator architecture |
| CN206954171U (en) * | 2017-05-16 | 2018-02-02 | 百利得(湖州)汽车安全系统有限公司 | A kind of small-sized pyrotechnic airbag gas generator of column |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432989A (en) * | 2021-05-19 | 2021-09-24 | 均胜汽车安全系统(湖州)有限公司 | Hoodlifter pipe body water pressure testing method |
| CN113320498A (en) * | 2021-06-30 | 2021-08-31 | 均胜汽车安全系统(湖州)有限公司 | Compact side airbag gas generator |
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Application publication date: 20201222 |