WO2000078580A1 - Dispositif de gonflage hybride expansible multietage - Google Patents
Dispositif de gonflage hybride expansible multietage Download PDFInfo
- Publication number
- WO2000078580A1 WO2000078580A1 PCT/JP2000/003960 JP0003960W WO0078580A1 WO 2000078580 A1 WO2000078580 A1 WO 2000078580A1 JP 0003960 W JP0003960 W JP 0003960W WO 0078580 A1 WO0078580 A1 WO 0078580A1
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- WO
- WIPO (PCT)
- Prior art keywords
- gas
- chamber
- housing
- inflation
- retainer
- Prior art date
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Classifications
-
- 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
- B60R21/268—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 release of stored pressurised gas
- B60R21/272—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 release of stored pressurised gas with means for increasing the pressure of the gas just before or during liberation, e.g. hybrid inflators
-
- 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
- B60R21/263—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 variable source, e.g. plural stage or controlled output
-
- 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
- B60R21/263—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 variable source, e.g. plural stage or controlled output
- B60R2021/2633—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 variable source, e.g. plural stage or controlled output with a plurality of inflation levels
Definitions
- the present invention relates to an inflatable safety system for a motor vehicle, and more particularly, to a multi-stage inflatable high-definition vehicle and a multi-stage inflatable hybrid system capable of rapidly inflating an airbag and reducing the content of toxic gas and the like in combustion gas. And an airbag system using the same.
- the present invention also relates to a retainer for a gas generator, a gas generator using the same, a hybrid inflator using the gas generator, and an airbag system using the same.
- the present invention also relates to a multi-stage inflatable hybrid inflator with a single member for the ignition means including one initiator and two initiators, and an airbag system using the same.
- the weight and dimensions of the inflation event which affects the weight of the motor vehicle, are important design requirements. Furthermore, production of inflation can be easily performed, and It is desirable that there is no risk of gas leakage from the lake and that the amount of toxic gas in the combustion gas is small.
- U.S. Pat. Nos. 3,773,353 and 3,868,124 disclose an inflation system with two gas generating chambers.
- the two gas generating chambers are at normal pressure before the operation of inflation, and oxygen gas is not contained in the inflation.Therefore, for practical use, it is necessary to ensure stable combustion and safety of combustion gas. There are many improvements.
- U.S. Patent Nos. 5,351,988 disclose a hybrid inflator having two gas generating chambers, but one of the gas generating chambers is provided outside the infra-red housing, and It is kept at normal pressure.
- a retainer is used for the dual type, and a retainer is used for adjusting the dose and separating the two gas generation chambers.
- the retainer is required to have the above-mentioned function of controlling the amount of medicine and the function of separating the two gas generating chambers.
- the function of separating the two gas generating chambers is important. Becomes In other words, in order for the hybrid inflation to operate normally, when the first gas generating agent in the first gas generating chamber burns, high-temperature combustion gas flows into the second gas generating chamber to generate the second gas. It is important that the possibility of burning the agent be completely eliminated. Furthermore, it is an important industrial requirement that the retainer has the above-mentioned function and that the work of attaching the retainer is easy.
- An object of the present invention is to provide a multistage inflatable hybrid inflator that can rapidly expand an airbag and reduce the content of toxic gas and the like in combustion gas without increasing the weight of inflation.
- the purpose is to provide the airbag system used.
- Another object of the present invention is, as described above, for example, when used as a retainer for a hybrid gas inflation gas generator in the evening, has a function of adjusting a drug dose and / or a function of separating a gas generation chamber.
- Still another object of the present invention is to provide a multistage inflatable hybrid inflation system having two initiators fixed to one initiator color and having a single member ignition means, and air using the same. It is to provide a bag system.
- the present invention relates to an inflatable safety device for a vehicle having an airbag, comprising an inflation overnight housing, a gas generator housed in the inflation overnight housing, and an ignition means chamber connected to the gas generator.
- a hybrid inflation system for the system wherein the pressurized medium containing an inert gas is filled in the housing, and the gas generators each include a gas generating means; and a first gas generation chamber and a second gas generation.
- the present invention provides a multi-stage inflatable high-prid inflation system having a room.
- the present invention also provides an inflation overnight housing and an inflation overnight housing
- a hybrid inflator for an inflatable safety system for a vehicle with an airbag comprising: a gas generator housed therein; and an ignition means chamber connected to the gas generator.
- the housing is filled with a pressurized medium containing an inert gas, and the gas generator has a first gas generation chamber and a second gas generation chamber each including a gas generation means.
- the arrangement of the first gas generating chamber and the second gas generating chamber can be appropriately set, for example, in series and adjacent in the length direction of the inflator housing.
- the first gas generation chamber and the second gas generation chamber are arranged in series in the longitudinal direction of the inflator housing and opposed to each other, and are arranged in parallel in the width direction of the inflator housing. They may be arranged adjacently or apart from each other, and among them, those arranged in series and adjacently in the longitudinal direction of the inflation housing are desirable.
- the multistage inflatable hybrid inflation system of the present invention is provided with a pressurized medium of the hybrid inflation system to prevent the pressurized medium filled in the housing from leaking to the outside before operation.
- a main closing means for blocking the movement of the pressurized medium is provided.
- a destruction means for destroying the main closing means and securing a gas movement path is required. Is not particularly limited as long as it can secure the movement route.
- the destruction means a method based on an increase in the internal pressure of the inflation overnight housing, or an electric means can be applied.
- the destruction means due to the increase in the internal pressure of the infra-housing housing destroys the main closing means only by the increase in the internal pressure due to the high temperature gas generated by the combustion of the gas generation means in the gas generation chamber.
- means for destruction by electric means for example, means for destruction by operating an electric igniter installed near the main closing means, preferably opposite to and close to the main closing means can be applied. Can be used in combination with a booster. Regardless of which destruction means is used, the size, strength, etc. of the main closure means are determined so that the main closure means can be reliably destroyed and the movement path of the pressurized medium can be secured.
- the present invention also provides an inflatable safety system for a vehicle equipped with an airbag, comprising: an inflation overnight housing; a gas generator housed in the inflation overnight housing; and an ignition means chamber connected to the gas generator. And a pressurized medium containing an inert gas is filled in the housing, and the gas generators each include a first gas generation chamber and a second gas generation chamber each including gas generation means. And a main closing means for interrupting the movement path of the pressurized medium to the outlet before operation, and a projectile for destroying the main closing means during operation. It offers a multi-stage inflatable high-infrared tray.
- the arrangement of the first gas generation chamber and the second gas generation chamber can be appropriately set, for example, in series and adjacent in the length direction of the inflation housing. Is located
- the first gas generation chamber and the second gas generation chamber are arranged in series and opposite to each other in the longitudinal direction of the inflation housing, or the first gas generation chamber and the second gas generation chamber are arranged in parallel and adjacent to or separated from the width of the inflator housing. Among them, those arranged in series and adjacently in the longitudinal direction of the inflation housing are preferable.
- the tip of the projectile utilizing pressure for breaking the main closing means at the time of the above-described operation is located in the same space as the space filled with the pressurized medium in the inflation overnight housing.
- the configuration can be located.
- Such a multi-stage inflatable hybrid inflation system is designed to prevent the pressurized medium filled in the housing from leaking to the outside before operation, so that the gas reaching the pressurized medium outlet during the hybrid inflation system is prevented from leaking to the outside.
- a main closing means for blocking the movement of the pressurized medium is provided at a desired portion of the movement path. In operation, the main closing means is destroyed, and a projectile utilizing pressure, that is, a breaking means by colliding the projectile with the main closing means, is used as a breaking means for securing a gas movement path. I'm using The tip of the projectile is located in the same space as the space filled with the pressurized medium in the inflation housing. The shape, strength, weight, etc.
- a guide member for guiding the projectile to the main closing means can be provided to reliably destroy the main closing means due to the collision of the projectile.
- the distal end portion of the projectile utilizing pressure for breaking the main closing means during the above-mentioned operation is provided in an inflatable housing. It can be configured to be located in a space different from the space filled with the pressurized medium.
- Such a multi-stage inflatable high-definition frame is a gas transfer route to the pressurized medium discharge port of the high-definition frame so that the pressurized medium filled in the inflation overnight huffing does not leak outside before operation.
- a main closing means for blocking movement of the pressurized medium is provided at a desired portion of the apparatus. In operation, the main closing means is destroyed, and a projectile utilizing pressure, that is, a breaking means by colliding the projectile with the main closing means, is used as a breaking means for securing a gas movement path. I'm using The tip of this projectile is the space filled with the pressurized medium inside the inflation housing (excluding the space where the gas generator and the ignition means chamber are provided. Here, it is called “large space”).
- the gas generator retainer of the present invention is suitable as a gas generator for hybrid inflation overnight, and has a single gas generating chamber and a dual gas generating chamber having two gas generating chambers. Applicable to those with three or more gas generating chambers.
- the present invention is a retainer disposed in a gas generator having one or more gas generating chambers, wherein the retainer is formed of a cylindrical body having one end face closed and the other end face opened.
- a retainer for a gas generator is provided.
- the gas generator retainer may have the same or a partially different side wall length.
- the retainer for a gas generator may be such that the length of one of the side walls is longer than the length of the opposite side wall. As described above, by appropriately adjusting the length of the side wall, it is possible to arrange the gas generating chamber so as to exhibit a desired separating function and a Z or chemical amount adjusting function according to the state of the shape and the like of the gas generating chamber.
- the present invention is also a gas generator in which the gas generator retainer is disposed in one or more gas generating chambers, wherein an outer surface of a side wall of the retainer is in contact with a wall surface of the gas generating chamber, and gas is generated by a closed end face.
- the gas generator retainer is disposed in one or more gas generating chambers, wherein an outer surface of a side wall of the retainer is in contact with a wall surface of the gas generating chamber, and gas is generated by a closed end face.
- the separated state needs to be separated so that the flame does not propagate between the gas generating chambers separated by the retainer.
- a separated state is referred to as a “flame prevention state”.
- the retainer even when the retainer is arranged so as to be separated into the flame prevention state, the retainer also has a function of holding the gas generating agent and / or adjusting the amount of the gas.
- the present invention is a gas generator in which the gas generator retainer is disposed in one or more gas generating chambers, and the retainer is used for holding a gas generating agent and for adjusting Z or dose.
- a gas generator wherein the outer surface of the side wall of the retainer is in contact with the wall surface of the gas generation chamber and the volume of the gas generation chamber is adjusted by the closed end face.
- the retainer is disposed for holding the gas generating agent and for performing the function of adjusting the amount of the gas generating agent, and adjusts the volume of the gas generating chamber by appropriately disposing the retainer in the longitudinal direction.
- the above-described operation can be performed.
- two or more gas generator retainers can be arranged so that the opening faces are in the same direction.
- the present invention is a retainer disposed in a gas generator having one or more gas generating chambers, wherein the retainer has a large-diameter cylindrical shape having one end face closed and the other end face opened.
- a gas generator retainer comprising a combination of an object and a small-diameter cylindrical object having both ends opened and integrally formed with the cylindrical object and protruding inward and toward the opening.
- the length of the side wall of the large-diameter tubular article and the length of the side wall of the small-diameter tubular article can be the same or different. Further, in the retainer for a gas generator described above, the length of the side wall of the large-diameter cylindrical body may be longer or shorter than the length of the side wall of the small-diameter cylindrical body. In this way, by appropriately adjusting the length of the side wall of the large-diameter tubular article and the small-diameter tubular article, a desired separation function and Z or dose adjustment function can be performed according to the state of the gas generating chamber and the like. It can be arranged to be able to demonstrate.
- the present invention also provides a gas generator having the above-described gas generator retainer, wherein the gas generator has one or more gas generation chambers around a combustion chamber, and the retainer has a small-diameter cylindrical shape. At the opening of the object, it is fitted and attached to the heat transfer means chamber, the outer surface of the side wall of the large-diameter cylindrical member of the retainer contacts the inner wall surface of the gas generating chamber, Provided is a gas generator which is in contact with an outer wall surface of a transmission means chamber, and in which a gas generation chamber is separated into two or more in a longitudinal direction in a flame-prevented state by a closed end face.
- the present invention is a gas generator having one or two or more gas generating chambers around a combustion means chamber in which the above-mentioned gas generator retainer is arranged, wherein the retainer is for holding a gas generating agent and Or it is arranged for dose adjustment
- the retainer is fitted into the transmission means chamber at the opening of the small-diameter cylindrical object, and the outer surface of the side wall of the large-diameter cylindrical object of the retainer is the wall surface of the gas generating chamber.
- a gas generator in which the inner surface of the side wall of the small-diameter cylindrical member is in contact with the outer wall surface of the combustion chamber, and the volume of the gas generation chamber is adjusted.
- two or more retainers can be arranged so that the opening faces are in the same direction.
- These two or more retainers may have the same specifications (same shape, dimensions, material, etc.) or different specifications, but the same specifications can make the production easier and shorten the production time, and furthermore, the assembly This is desirable because the process can be made more efficient.
- the present invention relates to a vehicle including an airbag having an inflation overnight housing, a gas generator housed in the inflation overnight housing, and a ignition means chamber provided with ignition means connected to the gas generator.
- a hybrid inflator for an inflatable safety system wherein the gas generator provides a hybrid inflator as described above.
- the gas generator when the gas generator has the first gas generation chamber and the second gas generation chamber arranged in series and adjacent to each other, the first gas generation chamber and the second gas generation chamber A gas generator retainer that separates the gas generating chambers into a flame-prevented state can be arranged with the opening surface facing the first gas generating chamber.
- the opening face toward the first gas generation chamber By arranging the opening face toward the first gas generation chamber in this way, that is, by arranging the closed end face toward the second gas generation chamber, the first gas generating agent in the first gas generation chamber is provided.
- the opening of the retainer receives the pressure caused by the combustion of the retainer, the retainer deforms so as to push the side wall portion outward. Therefore, the flame prevention state of the first gas generation chamber and the second gas generation chamber is maintained. Therefore, the malfunction of the second gas generating agent due to the combustion of the first gas generating agent is prevented.
- the present invention also provides an airbag having an inflation overnight housing, a gas generator housed in an inflation overnight housing, and an ignition means chamber including ignition means connected to the gas generator.
- a hybrid inflation system for an inflatable safety system for a vehicle wherein the pressurized medium containing an inert gas is filled in the inflatable housing, and each of the gas generators includes a gas generating means. It has a first gas generating chamber and a second gas generating chamber.
- the present invention provides a multi-stage inflatable hybrid infinity system in which two initiators are fixed in one initiator collar.
- the internal shape of the initiator collar may be made to match the external shape of the two initiators in advance, and the two initiators may be fitted into the initiator rollers.
- the two initiators are fixed in one initiator by resin and the ignition means is fixed as a single member, making it easier to assemble the ignition means and attach the ignition means to the housing. become.
- the first gas generating agent stored in the gas generating chamber and the first gas generating agent stored in the second gas generating chamber (2)
- the gas generating agent (gas generating means) or the gas generating agent (gas generating means) to be stored in the case of one gas generating chamber shall be determined in relation to the composition of the pressurized medium to be filled in the inflation housing. Can be.
- the pressurized medium is composed of oxygen and an inert gas such as argon or helium (nitrogen is also included in the inert gas in the present invention)
- the oxygen is a gas generating agent as a gas generating means.
- Argon acts to convert carbon monoxide and hydrogen produced by the combustion of carbon dioxide into carbon dioxide and water vapor, and acts to promote the thermal expansion of the pressurized medium. This is preferable because the leak can be easily detected and the distribution of defective products is prevented.
- the pressurized medium may or may not contain oxygen. When oxygen is contained, the pressure medium is preferably at most 30 mol%.
- a gump port perlant As the first gas generating agent housed in the first gas generating chamber and the second gas generating agent housed in the second gas generating chamber, for example, a gump port perlant can be used.
- Gump-mouth perants include single base gump-mouth perants, double base gump-mouth perants, and triple base gump-mouth perants, as well as mixtures of secondary explosives, binders, plasticizers, stabilizers, etc.
- a molded product having a desired shape can also be used.
- Secondary explosives include hexahydrotrinitrotriazine (RDX), cyclotetramethylenetetranitramine (HMX), Penri Erythrit
- TAGN atomic layer deposition
- RDX tungsten carbide
- the generated gas in the combustion gas is mo 1 e% and nitrogen is 33% and 1%. It becomes 25% of carbon oxide, 23% of steam, 8% of carbon dioxide and other gas components.
- binder examples include cellulose acetate, cellulose acetate butyrate, cellulose acetate propiolate, ethyl cellulose, vinyl polyacetate, azidopolymer, polybutadiene, hydrogenated polybutadiene, and polyurethane; and the plasticizer includes trimethylol.
- the ratio of the secondary explosive to the binder, plasticizer and stabilizer is about 50 to 90% by weight of the secondary explosive, and the total amount of the binder, plasticizer and stabilizer is about 10 to 50% by weight. Is preferred.
- the gas generating agent having the above composition may not easily burn under normal pressure, but when the inside is maintained at a high pressure in advance as in the case of the hybrid inflation of the present invention, stable and smooth combustion occurs. Can be done.
- the first gas generating agent housed in the first gas generating chamber and the second gas generating agent housed in the second gas generating chamber include, for example, a fuel and an oxidizing agent or a fuel, an oxidizing agent and a slag forming agent. If necessary, a mixture containing the gas generating agent and a binder may be mixed and molded into a desired shape. If such a gas generating agent is used, the gas generated by the combustion may be used as a pressurized medium. With air The bag can be inflated and deployed. In particular, when a gas generating agent containing a slag forming agent is used, the amount of mist discharged from inflation can be significantly reduced.
- Fuels include nitroguanidine (NQ), guanidine nitrate (GN), guanidine carbonate, aminoaminonitroguanidine, aminoguanidine nitrate, aminoguanidine carbonate, diaminoguanidine nitrate, diaminoguanidine carbonate, triamino
- NQ nitroguanidine
- GN guanidine nitrate
- guanidine carbonate aminoaminonitroguanidine
- aminoguanidine nitrate aminoguanidine carbonate
- diaminoguanidine nitrate aminoguanidine carbonate
- triamino One or more selected from guanidine derivatives such as guanidine nitrate are preferred.
- tetrazole and tetrazole derivatives can be used as the fuel.
- the oxidizing agent is preferably one or more selected from strontium nitrate, potassium nitrate, ammonium nitrate, potassium perchlorate, copper oxide, iron oxide, basic copper nitrate and the like.
- the amount of the oxidizing agent is preferably from 10 to 80 parts by weight, more preferably from 20 to 50 parts by weight, based on 100 parts by weight of the fuel.
- the slag forming agent is one or more selected from acid clay, talc, bentonite, diatomaceous earth, kaolin, silica, alumina, sodium silicate, silicon nitride, silicon carbide, hydrotalcite, and a mixture thereof. preferable.
- the amount of the slag forming agent is preferably 0 to 50 parts by weight, more preferably 1 to 10 parts by weight, based on 100 parts by weight of the fuel.
- the binder is preferably one or more selected from sodium salt of carboxymethylcellulose, hydroxyshethylcellulose, starch, polyvinyl alcohol, guar gum, microcrystalline cellulose, polyacrylamide, calcium stearate and the like.
- the amount of binder is fuel The amount is preferably 0 to 30 parts by weight, more preferably 3 to 10 parts by weight, based on 100 parts by weight.
- the present invention is an airbag system comprising an operation signal output means comprising an impact sensor and a control unit, and a module case in which the above-described multistage inflatable hybrid inflation device and an airbag are housed in a case.
- an airbag system set so that the inflation speed of the airbag can be adjusted.
- the “gas generator” is configured to generate a high-temperature combustion gas by burning gas generating means (gas generating agent) existing in a gas generator housing (gas generation chamber). Which has a gas generating function to allow the gas to flow out into the housing.
- the hybrid inflation overnight includes the gas generator in the inflation overnight housing.
- the present invention can be implemented by combining two or more of the structural requirements and functions described above.
- the hybrid inflation system of the present invention has two gas generating chambers, the airbag can be more smoothly and reliably inflated and deployed at the time of a vehicle collision, and safety can be improved. Also, since the inside is maintained at a high pressure, the combustion of the gas generating agent is stabilized. In addition, even when the number of gas generating chambers is two, it is possible to suppress an increase in the capacity and weight of the hybrid inflation itself by adjusting the arrangement of the two chambers.
- the hybrid inflation system incorporating the gas generator using the gas generator retainer of the present invention has no danger of malfunctioning and reliability of the product. Can be increased.
- FIG. 1 is a longitudinal sectional view showing one embodiment of the hybrid inflation of the present invention.
- FIG. 2 is a longitudinal sectional view showing another embodiment of the hybrid inflator according to the present invention.
- FIG. 3 is a longitudinal sectional view showing another embodiment of the hybrid inflation of the present invention.
- FIG. 4 is a longitudinal sectional view showing another embodiment of the hybrid inflator according to the present invention.
- FIG. 5 is a longitudinal sectional view showing another embodiment of the hybrid inflator according to the present invention.
- FIG. 6 is a longitudinal sectional view showing a modification of the hybrid inflation shown in FIG.
- FIG. 7 is a longitudinal sectional view showing another embodiment of the hybrid inflation of the present invention.
- FIG. 8 is a schematic cross-sectional view of a retainer for a gas generator and a gas generator according to the present invention in a longitudinal direction.
- FIG. 9 is a schematic longitudinal sectional view of another embodiment of the gas generator retainer and the gas generator according to the present invention.
- FIG. 10 is a perspective view of the gas generator retainer of FIG.
- FIG. 11 is a longitudinal sectional view of a hybrid inflator using the gas generator retainer of FIG. Embodiment of the Invention
- FIG. 1 is a cross-sectional view of the hybrid inflation 100 along the length direction
- FIG. 2 is a cross-sectional view of another embodiment of the hybrid inflation 200 along the length direction.
- the inflator housing 102 is formed of a cylindrical pressure-resistant container, and the internal space 103 is filled with a pressurized medium and maintained at a high pressure. Normally, the pressurized medium is filled through a pore 107 formed in a boss 144 connected to one end of the inflation housing 102, and the pore is filled with the pressurized medium. Later, it is closed by the seal pin 109.
- the gas generator 108 is composed of a first gas generation chamber 120 formed of a cylindrical gas generator housing 105, a partition 106 and a partition 126 also having a function of adjusting a dose, and a gas. It has a second gas generating chamber 130 formed by a generator housing 105, a partition wall 126 and a boss 144.
- the gas generator 108 is disposed in the inflation housing 110, and is fixed to the boss 145 at one end in the longitudinal direction by welding.
- the first gas generating chamber 120 is filled with a required amount of the first gas generating agent 124, and the first gas generating chamber 120 and the inflation overnight housing 110 are filled.
- the first gas generating chamber 120 is connected to a transfer means consisting of a booster agent (charge transfer agent) 112 filled in a booster cup, and further connected to a first rupturable plate 119 as a first closing means.
- the first igniter 1 1 7 is connected via You.
- the inside of the second gas generating chamber 130 is filled with a required amount of a second gas generating agent 134, and the second gas generating chamber 130 and the inflation overnight housing 102 are screened. They are communicated with each other through communication holes 1 3 5 through 1 3 7.
- a second igniter 140 is connected to the second gas generating chamber 130 via a second rupturable plate 139 as second closing means.
- the first gas generating chamber 120 and the second gas generating chamber 130 were generated by the combustion of the first gas generating agent 124 and the second gas generating agent 134, respectively.
- the path through which gas flows into the inflation housing 102 is an independent path. That is, the gas generated in the first gas generation chamber 120 flows into the inflation housing 102 from the communication hole 125 through the screen 127, and then flows into the second gas generation chamber 130. The generated gas flows into the inflation overnight housing 102 from the communication hole 135 through the screen 135.
- the first gas generation chamber 120 and the second gas generation chamber 130 are arranged in series and adjacent to each other in the longitudinal direction of the inflation overnight housing 102. Note that the arrangement order of the first gas generation chamber 120 and the second gas generation chamber 130 may be reversed.
- the amount of the second gas generating agent 134 can be the same as or the same as the first gas generating agent 124 or can be larger or smaller than the amount of the first gas generating agent 124.
- the shape and composition may be the same or different. Further, the volumes of the first gas generation chamber 120 and the second gas generation chamber 130 may be the same or different.
- the first gas generation chamber 120 is the inflation overnight housing 10 2 and the second gas generating chamber 130 communicates with the inflation overnight housing 102, so the first gas generating chamber 120 and the second gas generating chamber 130 Are maintained at a high pressure, that is, the same pressure as the inside of the inflation housing 102 (the internal space 103).
- An ignition means chamber 114 is formed in the boss 144, a first ignition initiator 117 is accommodated in the first ignition chamber 115, and a second ignition chamber is accommodated in the second ignition chamber 141.
- the first initiator for ignition 1 117 and the second initiator for ignition 140 are fixed to the initiator collar 144 and attached to the boss 144. .
- the first ignition initiator 117 and the second ignition initiator 140 are provided in parallel and adjacent to each other in the width direction of the inflation overnight housing 102.
- the first ignition chamber 1 15 and the first gas generation chamber 120 are communicated with each other through the first communication hole 113, and before the first ignition means is operated, the first communication hole 113 is closed. 1 It is closed by the first rupturable plate 1 19 which is the closing means.
- the second ignition chamber 14 1 communicates with the second gas generation chamber 13 0 through the second communication hole 13 3, and the second communication hole 13 33 is closed before the ignition means is activated. It is closed by means of a second rupturable plate 1 39.
- the other end of the inflation overnight housing 102 is connected to a diffuser 180 force, and the diffuser 180 has a plurality of diffuser ports 18 8 for sending a pressurized medium to the airbag. It has a diffuser screen for removing fine particles.
- a main rupturable plate 178 as a main closing means is formed on an inner side of the inflator housing 102 of the diffuser 180, and a surface for connecting to an airbag module is formed on an outer surface side. Evening bolt 190 is fixed by welding. This main rupture disc 178 is destroyed by an increase in the internal pressure of the internal space 103 during operation.
- Hybrid inflation overnight 200 in Fig. 2 differs from hybrid inflation overnight 100 in Fig. 1 only in the arrangement of the two gas generating chambers, so the same members are the same as in Fig. 1. The description is omitted by attaching a number.
- the first gas generation chamber 120 and the second gas generation chamber 130 are arranged in the housing 102 so as to be symmetrical in the width direction across the transmission means chamber 210. Therefore, the cross-sectional shape in the width direction of the first gas generation chamber 120 and the second gas generation chamber 130 is a donut shape, and the heat transfer means chamber 210 is located at the hole of the donut.
- the first gas generation chamber 120 and the second gas generation chamber 130 have a shape in which a donut is divided into two equal or different volumes.
- the transmission means chamber 210 is formed of a cylindrical housing 211, and is provided with a booster filled with a booster agent (fire transfer agent) 112 and a first closing means as a first closing means. It is connected to the first ignition initiator 117 through the rupture disk 119. Since the transmission means chamber 210 communicates only with the first gas generation chamber 120 through the hole 214, the first ignition initiator 117 operates and ignites, and the booster agent 112 ignites. When burned, only the first gas generating agent 124 in the first gas generating chamber 120 burns.
- a booster agent fire transfer agent
- the first gas generating chamber 120 and the inflation overnight housing 102 (space 103) are communicated with each other through a communication hole 125 through a screen 127, and the second gas generating chamber 130 and the inflation overnight.
- the evening housing 102 (space 103) is connected to the communication hole 135 through the screen 137.
- Communication hole 1 2 5 and the communication hole 135 are formed on the opposite side in the width direction.
- the first ignition initiator 1 17 is activated and ignited by the operation signal output means, ruptures the first rupturable plate 1 19 and ignites and boosts the booster agent 1 12 to burn high-temperature booster gas. generate.
- This high-temperature booster gas flows into the first gas generating chamber 120, ignites and burns the first gas generating agent 124, and reaches a predetermined amount (to the filling amount of the first gas generating agent 124). (A corresponding amount) of hot combustion gas.
- the first gas generating chamber 120 communicates with the internal space 103 filled with the pressurized medium and is kept at a high pressure, the combustion of the first gas generating agent 124 is stabilized. I have.
- the first gas generation chamber 120 and the second gas generation chamber 130 are separated by a partition wall 126, and the arrangement of the communication holes 125 and the communication holes 135 is described. Accordingly, the second gas generating agent 134 does not ignite and burn due to the combustion of the first gas generating agent 124.
- the high-temperature combustion gas flows from the communication hole 125 to increase the pressure in the inflation housing 102, and the rise in the internal pressure causes the main rupturable plate 178, which is the main closing means, to burst.
- the pressurized medium is injected from the diffuser port 182 through the diffuser screen 186 to inflate the airbag attached to the air bag module.
- the second ignition initiator 140 is ignited by the operation signal output means and breaks the second rupturable plate 1339.
- the second gas generating agent 13 4 in the second gas generating chamber 130 is ignited and burned to generate a predetermined amount (amount corresponding to the filling amount of the second gas generating agent 134) of high-temperature combustion gas. .
- a predetermined amount amount corresponding to the filling amount of the second gas generating agent 134.
- the difference in the operation time between the first ignition initiator 117 and the second ignition initiator 140 (hereinafter referred to as the "operation time difference") is to incorporate an airbag system to more appropriately protect occupants. It is set in relation to the degree of impact received by the vehicle. If the vehicle receives a small impact, only the first ignition initiator 117 is activated (that is, only the first gas generating agent 124 is ignited and burned), and the vehicle receives a moderate impact.
- the second ignition initiator 140 is activated with a slight delay (That is, the second gas generating agent 134 is ignited and burned), and when the vehicle receives a large impact, the first ignition initiator 117 and the second ignition initiator 140 are operated simultaneously (that is, The first gas generating agent 124 and the second gas generating agent 134 are simultaneously ignited and burned).
- the difference in operating time is about 0 to 50 msec in order to deal with small to large shocks.
- the high-temperature combustion gas generated by the combustion in 4 flows into the inflation overnight housing 102 through the communication hole 135 to increase the pressure, and is injected from the diffuser port 182 together with the remaining pressurized medium. Inflate the airbag further.
- the combustion gas is generated in two stages according to the degree of impact received by the vehicle in this manner, the combustion of the first gas generating agent 124 causes a delay in the lag of the airbag inflation operation at the time of the vehicle collision.
- the pressurized medium in the inflation overnight housing 102 is completely discharged by the combustion of the second gas generating agent 134, and the airbag is instantly inflated to a sufficient level for safety. be able to.
- the first ignition initiator 117 is activated from the viewpoint of ensuring safety when the airbag system is later collected. It is desirable that the second ignition initiator 140 be operated at the time when about 100 msec has elapsed to burn the unburned second gas generating agent 134. In the hybrid inflation of the present embodiment, the second ignition is performed within a time lag of about 0 to 120 msec from the ignition and combustion of the first gas generating agent 124 by the operation of the first ignition initiator 117. Except when the initiator 140 is activated, the second gas generating agent 130 does not ignite.
- combustion gas is generated only from the first gas generation chamber 120, and combustion is performed simultaneously from the first and first gas generation chambers 120, 130.
- gas is generated or the combustion gas generation time in the first gas generation chamber 120 and the second gas generation chamber 130 is appropriately adjusted to a desired interval can also be supported.
- FIG. 3 is a longitudinal cross-sectional view of one embodiment of hybrid inflation 100, and FIG. It is sectional drawing in the length direction of embodiment.
- the inflation overnight housing 102 is formed of a cylindrical pressure-resistant container, and the internal space 103 is filled with a pressurized medium and maintained at a high pressure. Normally, the pressurized medium is filled through a pore 107 formed in a boss 144 connected to one end of the inflation housing 102, and the pore is filled with the pressurized medium. Later, it is closed by the seal pin 109.
- the remaining outer shape excluding the vicinity of the end on the diffuser 180 side can be formed into a uniform diameter shape (flat outer shape without constriction or the like).
- the gas generator 108 is composed of a first means 120, which is arranged in series and adjacently in the longitudinal direction of the inflator housing 102 around the transmission means chamber 110. And a second gas generation chamber 130.
- the gas generator 108 is disposed in the inflation housing 110, and is fixed to the boss 144 at one end in the longitudinal direction by welding.
- the transmission means chamber 110 is formed from a cylindrical housing 111, and contains a booster cup 111 filled with a booster agent 112 and a first closing means. It is connected to the first ignition initiator 11 ⁇ through the first communication hole 113 closed by the first rupturable plate 119.
- the transmission means chamber 110 is in communication with the first gas generation chamber 120 through a communication hole 118.
- the first gas generation chamber 120 is disposed around the transfer means chamber 110, and has a cylindrical housing 105, a housing 110 of the transfer means chamber 110, a first partition 1 26 and a second partition wall 13 36, and a required amount of a first gas generating agent 124 as a gas generating means is accommodated therein. No. 1 gas
- the generation chamber 120 and the inflation housing 102 are connected to each other by a communication hole 125 through a screen 127.
- the second gas generating chamber 130 is composed of a cylindrical housing 105, a housing 111 of the transmission means chamber 110, a second partition wall 133, and a boss 1 45 (and a second rupturable plate 13). 9), and contains a required amount of a second gas generating agent 134 as a gas generating means.
- the second gas generation chamber 130 and the inflation overnight housing 102 are connected to each other through a communication hole 135 through a screen 135.
- the amount of the second gas generating agent 1 34 can be the same as the first gas generating agent 124 or can be larger or smaller than the amount of the first gas generating agent 124, and the size, The shape and composition may be the same or different. Further, the volumes of the first gas generation chamber 120 and the second gas generation chamber 130 may be the same or different, and can be adjusted by the partition wall 126 and the partition wall 13 36.
- the heat transfer means chamber 110 is connected to the first gas generation chamber 120, the first gas generation chamber 120 is connected to the inflation overnight housing 102, and the second Since the gas generating chamber 130 is in communication with the infra-red housing 110, the firing means chamber 110, the first gas generating chamber 120, and the second gas generating chamber 130 are all The high pressure, that is, the same pressure as the inside of the inflation overnight housing 102 (the internal space 103) is maintained.
- the first gas generation chamber 120 and the second gas generation chamber 130 are arranged in series and adjacent to each other in the length direction of the inflation overnight housing 102. By arranging the gas generating chambers in series in this way, even when the number of gas generating chambers is two, the size of the entire hybrid wind turbine can be made compact, and an increase in weight can be suppressed.
- the first gas generating chamber 120 and the second gas generating chamber 130 respectively contain gas generated by combustion of the first gas generating agent 124 and the second gas generating agent 134 in the inflation housing.
- the path flowing into 102 is an independent path. That is, the gas generated in the first gas generation chamber 120 flows into the inflation housing 102 from the communication hole 125 through the screen 127, and the second gas generation chamber 130 Gas generated in the screen 1
- the second gas generation chamber 130 is connected to the second ignition initiator 1 via the second communication hole 133 closed by the second rupturable plate 1339 as the second closing means.
- the ignition means chamber 114 formed in the boss 144 has a first ignition chamber 115 and a second ignition chamber 141, and the first ignition chamber has a first ignition initiator 117.
- the second ignition chamber accommodates a second ignition initiator 140.
- the first and second ignition chambers can be arranged in parallel and adjacent to each other in the width direction of the free housing 102.
- the first ignition initiator 117 and the second ignition initiator 140 are attached to the boss .145 via an initiator collar 144, and the boss 144 is connected at the joint portion 144. It is fixed to the inflation overnight housing 102 by welding or the like.
- both the combustion chamber 110 and the internal space 103 of the inflation overnight housing 102 are straddled.
- a projectile 1 75 with a shape is attached.
- the tip of projectile 175 (the part on the main rupture disk 178 side) is located in internal space 103.
- a diffuser 180 is connected to one end of the inflator housing 102, and the diffuser 180 is fixed by welding at a joining portion 181. At the end of the diffuser 180 facing the projectile 175, there is a main rupture as the main closing means to block the movement path of the pressurized medium to the diffuser port 182 before operation. Plates 1 7 8 are installed. Therefore, before operation, the main rupturable plate 1178 completely separates and shuts off the internal space 103 of the inflator housing 102 and the gas inflow space 150. Movement of the medium is prevented.
- the other end of the diffuser 180 is provided with a plurality of diffuser ports 182 for sending a pressurized medium into the airbag, and a diffuser screen 186 for removing fine particles.
- a stud 190 for connection to the airbag module is fixed to the front side by welding.
- each of the above-described components is arranged so as to be symmetrical in the width direction with respect to the central axis (the dashed line in FIG. 3).
- the components or all the components may be arranged eccentrically with respect to the central axis.
- the arrangement relationship between the first gas generation chamber and the second gas generation chamber can be appropriately changed as described below.
- the first gas generation chamber 1 the first gas generation chamber 1
- the second gas generation chamber 130 and the second gas generation chamber 130 can be arranged to face each other.
- the pressurized medium fills the space between the first gas generation chamber 120 and the second gas generation chamber 130.
- a first gas generation chamber 120 (or a second gas generation chamber 130) is arranged around the ignition means chamber 110, and further, the first gas generation chamber 120 is provided.
- a second gas generation chamber 130 (or a first gas generation chamber 120) can be arranged around the generation chamber 120.
- the hybrid inflate 100 shown in FIG. 4 has the same configuration as that shown in FIG. 3 except that the arrangement positions of the first gas generation chamber 120 and the second gas generation chamber 130 are different. , 1st gas generation chamber 1
- the first gas generation chamber 120 and the second gas generation chamber 130 are arranged in the housing 102 so as to be symmetrical in the width direction across the transmission means chamber 110. Therefore, the cross-sectional shape in the width direction of the first gas generation chamber 120 and the second gas generation chamber 130 is a donut shape, and the heat transfer means chamber 110 is located at the hole of the donut.
- the communication hole 1 18 of the ignition means chamber 110 communicates only with the first gas generation chamber 120, when the first ignition initiator 117 fires, the first gas Only the gas generating agent 124 in the generating chamber 120 burns.
- the first gas generating chamber 120 and the inflation overnight housing 102 (space 103) are communicated with each other through a communication hole 125 through a screen 127, and the second gas generating chamber 130 and the inflation
- the overnight housing 102 (space 103) communicates with the communication hole 135 through the screen 135.
- Communication hole 1 2 5 and the communication hole 135 are formed on the opposite side in the width direction.
- the pressurized medium filled into the inflation housing 102 at high pressure is the first gas generated through the communication holes 125 and 135 before the operation of the hybrid inflation 100, respectively. It flows into the chamber 120 and the second gas generation chamber 130, and further flows into the combustion means chamber 110 via the communication hole 118, and holds them at high pressure and equal pressure. I have. Further, since the projectile 175 is mounted over the internal space 103 maintained at the same pressure and the transmission means chamber 110, malfunction is prevented.
- the first ignition initiator 1 17 is activated and ignited by the operation signal output means, and the first rupturable plate 1 1 9 (fixed to the boss 1 4 5 forming the first communication hole 1 1 3) ) To ignite the booth in the transfer means room 110 and the igniter 1 1 2 to generate a hot booth in the illuminator.
- the booster gas flows into the first gas generating chamber 120 from the communication hole 1 18 and ignites and burns the first gas generating agent 124 to a predetermined amount (the first gas generating agent).
- a high-temperature combustion gas is generated in an amount corresponding to the filling amount of 124.
- the first gas generating chamber 120 communicates with the internal space 103 filled with the pressurized medium and is kept at a high pressure, the combustion of the first gas generating agent 124 is stabilized.
- the heat transfer means chamber 110 and the first gas generation chamber 120 and the second gas generation chamber 130 are isolated from each other by the cylindrical housing 11 and the second partition 13. Therefore, the second gas generating agent 1 3 4 can ignite and burn There is no.
- the arrangement of the communication hole 1 25 of the first gas generation chamber 120 and the communication hole 135 of the second gas generation chamber 130 also depends on the combustion of the first gas generating agent 124.
- the gas generating agent 1 3 4 acts to prevent ignition and burning.
- the high-temperature combustion gas flows in from the communication hole 125 to increase the pressure in the housing 102 for the inflation, so that the pressed pressurized medium flows through the ruptured main rupture plate 178. It flows into the space 150.
- the pressurized medium flowing into the gas inflow space 150 in this way further passes through the diffuser screen 1886, is jetted from the diffuser port 182, and flows through the airbag attached to the airbag module. Inflate.
- the second ignition initiator 14 is operated by the operation signal output means. 0 ignites and breaks the second rupturable plate 13 9 (which is fixed to the boss 1 45 that forms the second communication hole 13 3) to cause the second gas in the second gas generating chamber 130.
- the generator 134 is ignited and burned to generate a predetermined amount of high-temperature combustion gas (corresponding to the filling amount of the second gas generator 134).
- the second gas generating chamber 130 communicates with the internal space 103 filled with the pressurized medium and is kept at a high pressure, the combustion of the second gas generating agent 134 is stabilized. ing.
- the high-temperature combustion gas generated by the combustion of the second gas generating agent 134 flows into the inflation housing 102 from the communication hole 135 to increase the pressure, and together with the remaining pressurized medium, the diffuser port 1802 And inflates the airbag further.
- the action of the first gas generation chamber 120 allows the air bag inflation operation at the time of a vehicle collision to occur.
- the pressurized medium in the housing 102 is completely discharged by the action of the second gas generating chamber 130, and the airbag is instantaneously reduced to a sufficient level for safety. Can be inflated.
- combustion gas is generated only from the first gas generation chamber 120, and combustion is performed simultaneously from the first and second gas generation chambers 120, 130.
- gas is generated or the combustion gas generation time in the first gas generation chamber 120 and the second gas generation chamber 130 is appropriately adjusted to a desired interval can also be supported.
- FIG. 5 is a longitudinal cross-sectional view of one embodiment of the hybrid inflation 100
- FIG. 6 is a longitudinal cross-section of a variation of the hybrid inflation 100 of FIG.
- FIG. 7 is a cross-sectional view of another embodiment of the hybrid inflation 100 in the longitudinal direction.
- the inflator housing 102 is formed of a cylindrical pressure-resistant container, and the internal space 103 is filled with a pressurized medium and maintained at a high pressure.
- the pressurized medium is usually filled through a pore formed in a boss 144 connected to one end of the inflation housing 102, and the pore is filled with a seal pin or the like after filling the pressurized medium. Close.
- the gas generator 108 is arranged in series with and adjacent to the length of the inflator housing 102 around the ignition means chamber 110 and around it.
- the transfer means chamber 110 is formed of a cylindrical housing 111, and is provided with a booster 1116 filled with a booster agent (transfer agent) 112 and a first closing means. It is connected to the first ignition initiator 117 through the first communication hole 113 closed by the first rupturable plate 119.
- the transmission means chamber 110 is in communication with the first gas generation chamber 120 through a communication hole 118.
- the first gas generation chamber 120 is disposed around the transfer means chamber 110, and has a cylindrical housing 105, a housing 110 of the transfer means chamber 110, a first partition 1 26 and a second partition wall 13 36, and a required amount of a first gas generating agent 124 as a gas generating means is accommodated therein.
- the first gas generation chamber 120 and the inflation overnight housing 102 are connected to each other by a communication hole 125 through a screen 127.
- the second gas generating chamber 130 is composed of a cylindrical housing 105, a housing 111 of the transmission means chamber 110, a second partition wall 133, and a boss 1 45 (and a second rupturable plate 13). 9), in which a required amount of a second gas generating agent 134 is stored as a gas generating means.
- the second gas generation chamber 130 and the inflation overnight housing 102 are connected to each other through a communication hole 135 through a screen 135.
- the amount of the second gas generating agent 1 34 can be the same as the first gas generating agent 124 or can be larger or smaller than the amount of the first gas generating agent 124, and the size, The shape and composition may be the same or different. Further, the volumes of the first gas generation chamber 120 and the second gas generation chamber 130 may be the same or different, and can be adjusted by the partition wall 126 and the partition wall 13 36.
- the heat transfer means chamber 110 is connected to the first gas generation chamber 120, the first gas generation chamber 120 is connected to the inflation overnight housing 102, and the second Since the gas generation chamber 130 is in communication with the inflation overnight housing 102, any of the fire transmission means chamber 110, the first gas generation chamber 120, and the second gas generation chamber 130 Is maintained at the same high pressure as the inside of the inflation housing 102 (internal space 103).
- the first gas generation chamber 120 and the second gas generation chamber 130 are arranged in series and adjacent to each other in the length direction of the inflation overnight housing 102. By arranging them in series in this way, even if the number of gas generation chambers is two, the size of the entire hybrid inflation chamber can be made compact and the weight increase can be suppressed.
- the gas generated by the combustion of the first gas generating agent 124 and the second gas generating agent 134 respectively is used for the housing 1.
- the route flowing into 02 is an independent route. That is, the gas generated in the first gas generation chamber 120 flows into the inflation housing 102 from the communication hole 125 via the screen 127, and the second gas generation chamber 130 Gas generated in the screen 1
- the arrangement order of the first gas generation chamber 120 and the second gas generation chamber 130 may be reversed.
- the second gas generation chamber 130 is connected to the second ignition initiator 1 via the second communication hole 133 closed by the second rupturable plate 1339 as the second closing means.
- the ignition means chamber 1 1 4 formed in the boss 1 4 5 is connected to the first ignition chamber 1 1 5 It has a second ignition chamber 141, the first ignition chamber contains a first ignition initiator 117, and the second ignition chamber contains a second ignition initiator 140.
- the first and second ignition chambers can be arranged in parallel and adjacent to each other in the width direction of the housing 102.
- the first ignition initiator 117 and the second ignition initiator 140 are attached to the boss 144 via an initiator collar 144, and the boss 144 is inflated at the joint portion 144. It is fixed to the overnight housing 102 by welding or the like.
- the first and second initiators 117 and 140 are fitted into the initiator collar 144 and fixed.
- a method of fixing the initiator to the initiator using a resin for example, the following procedure can be used. Prepare an initiator color having a concave space inside, insert the first and second ignition initiators 117, 140 into the concave space, then pour the resin into the remaining concave space, After curing, the initiator collar 144 and the first and second ignition initiators 117 and 140 are integrated.
- the resin may be a thermoplastic or thermosetting resin, and may be a room temperature curing type or a heat curing type. If necessary, a curing agent, a curing accelerator and the like may be further added.
- An adapter 170 is connected to the extension of the combustion means chamber 110, and an opening that connects the combustion chamber 110 and the adapter 170 has a 0—ring 1
- a projectile of the shape shown to break the main rupture disk 1 78 during operation, via both the transmission means chamber 110 and the adapter 170 via 72 1 7 5 is installed.
- the distal end of this projectile 1 75 is located in the internal space 1 76 of the adapter-170, and the internal space 1 76 and the internal space 1 0 3 of the inflator housing 102.
- the pressurized medium of the inner space 103 is activated. In some cases, the gas always flows into the gas inlet 166 through the gas flow passage 105a.
- the pressurized medium in the internal space 103 flows directly into the gas inlet 166.
- the hybrid inflation system 100 in FIG. 6 has the same configuration as the hybrid inflation system 100 in FIG. 5 except that the hybrid inflation system 100 does not have the gas flow path 105a.
- a diffuser 180 is connected to the adapter 170, and the diffuser 180 is fixed to the inflation overnight housing 102 by welding at a joint portion 181.
- the other end of the diffuser 180 has a plurality of diffuser ports 182 for sending pressurized medium into the airbag, and a diffuser for removing particles.
- a fuser screen 186 is provided, and a stud bolt 190 for connection to the air-pack module is fixed to the outer surface side by welding.
- each of the above-described components is arranged so as to be symmetrical in the width direction with respect to the central axis (the dashed line in FIG. 5). Some or all of the constituent elements may be arranged eccentrically with respect to the central axis.
- the arrangement relationship between the first gas generation chamber and the second gas generation chamber can be appropriately changed as described below.
- the first gas generation chamber 120 and the second gas generation chamber 130 can be arranged at both ends in the inflation overnight housing 102 so as to face each other.
- the pressurized medium fills the space between the first gas generation chamber 120 and the second gas generation chamber 130.
- a first gas generation chamber 120 (or a second gas generation chamber 130) is arranged around the ignition means chamber 110, and further, the first gas generation chamber 120 is provided.
- a second gas generation chamber 130 (or a first gas generation chamber 120) can be arranged around the generation chamber 120.
- the hybrid wind turbine 100 shown in FIG. 7 has the same configuration as that shown in FIG. 5 except that the arrangement positions of the first gas generation chamber 120 and the second gas generation chamber 130 are different. Descriptions other than the first gas generation chamber 120 and the second gas generation chamber 130 will be omitted.
- the first gas generation chamber 120 and the second gas generation chamber 130 are arranged in the housing 102 so as to be symmetrical in the width direction across the transmission means chamber 110. Have been. Therefore, the cross-sectional shape in the width direction of the first gas generation chamber 120 and the second gas generation chamber 130 is a donut shape, and the heat transfer means chamber 110 is located at the hole of the donut.
- the 1 gas generation chamber 120 and the second gas generation chamber 130 have a shape in which a donut is divided into two equal or different volumes. Further, since the communication hole 1 18 of the ignition means chamber 110 communicates only with the first gas generation chamber 120, when the first ignition initiator 117 fires, the first gas Only the gas generating agent 124 in the generating chamber 120 burns.
- the first gas generating chamber 120 and the inflation overnight housing 102 (space 103) are communicated with each other through a communication hole 125 through a screen 127, and the second gas generating chamber 130 and the inflation
- the overnight housing 102 (space 103) communicates with the communication hole 135 through the screen 135.
- the communication holes 125 and the communication holes 135 are formed to be on opposite sides in the width direction.
- the pressurized medium filled into the inflation housing 102 at high pressure is the first gas generated through the communication holes 125 and 135 before the operation of the hybrid inflation 100, respectively. It flows into the chamber 120 and the second gas generation chamber 130, and further flows into the combustion means chamber 110 via the communication hole 118, and holds them at high pressure and equal pressure. I have.
- the pressurized medium also flows into the internal space 176 of the adapter 170, and maintains the space at the same pressure as the firing means chamber 110, so that the projectile 175 Malfunction is prevented.
- the first ignition initiator 1 In the event of a vehicle collision, the first ignition initiator 1
- the booster gas flows into the first gas generating chamber 120 from the communication hole 1 18 and ignites and burns the first gas generating agent 124 to a predetermined amount (first gas generating agent).
- a high-temperature combustion gas is generated in an amount corresponding to the filling amount of 1 2 4).
- the first gas generating chamber 120 communicates with the internal space 103 filled with the pressurized medium and is kept at a high pressure, the combustion of the first gas generating agent 124 is stabilized. I have.
- the heat transfer means chamber 110 and the first gas generation chamber 120 and the second gas generation chamber 130 are isolated from each other by the cylindrical housing 11 and the second partition 13. Therefore, the second gas generating agent 134 does not ignite and burn.
- the arrangement of the communication hole 1 25 of the first gas generation chamber 120 and the communication hole 135 of the second gas generation chamber 130 also depends on the combustion of the first gas generating agent 124.
- the gas generating agent 1 3 4 acts to prevent ignition and burning.
- the pressurized pressurized medium flows through the gas flow passage 105 a in order to increase the pressure of the internal space 103 of the housing 102 due to the flow of the high-temperature combustion gas from the communication hole 125 and the inflation overnight.
- the gas then flows from the gas inflow hole 166 into the internal space 176 of the adapter, and further flows into the gas inflow space 150 through the ruptured main rupture plate 178.
- Figure 6 shows the hybrid inflation overnight.
- the pressurized pressurized medium directly flows into the internal space 176 of the adapter from the gas inflow hole 166.
- the pressurized medium flowing into the gas inflow space 150 in this way further passes through the diffuser screen 186 and is jetted from the diffuser port 182 Then, the airbag attached to the airbag module is inflated.
- the second ignition initiator 14 is operated by the operation signal output means.
- the high-temperature combustion gas generated by the combustion of the second gas generating agent 13 4 flows into the inflation housing 10 2 from the communication hole 13 5 to increase the pressure, and together with the remaining pressurized medium, the diffuser port 18 Injected from 2, further inflating the airbag.
- the action of the first gas generation chamber 120 prevents the lag of the airbag inflation operation at the time of a vehicle collision, and the second gas generation chamber 13 By the action of 0, the pressurized medium in the inflator housing 102 can be completely discharged, and the airbag can be instantaneously inflated to a degree sufficient for safety.
- Embodiments 1 to 7 are embodiments of a hybrid inflation system having two gas generating chambers in a gas generator, but the present invention has a gas generator having three or more gas generating chambers. Includes hybrid inflation overnight.
- FIG. 8 is a schematic cross-sectional view of the retainer for the gas generator and the gas generator in the longitudinal direction.
- One end face of the gas generator retainer 10 is closed to form a closed end face 12, and the other end face is formed of an open cylindrical body.
- the gas generator retainers 10 may have the same side wall length or may have partially different side walls.
- the length of one side wall 14 can be longer or shorter than the length of the opposite side wall 16.
- the side walls are continuous and there is no clear boundary between the side walls 14 and 16 shown in FIG. 8, since the side walls are arranged in the gas generating chamber of the gas generator, It is desirable that one of the divided side walls is 14 and the other is 16.
- a gas generator retainer 110 is disposed at a predetermined position in the gas generation chamber in which the outer shell is formed by the gas generator housing 105, and the retainer 110 is provided outside the side wall.
- the wall surface contacts the inner wall surface of the gas generator housing 105 (that is, the gas generation chamber)
- the first gas generation chamber 120 and the second gas generation chamber 130 are closed by the closed end face 12. It is separated into a flame-prevented state in the length direction (at this time, the retainer 10 also has a function of holding the gas generating agent and / or adjusting the dose).
- the gas generating room should be arranged so that the volume of the gas generating chamber can be secured according to the usage amount of the gas generating agent.
- FIG. 9 is a schematic cross-sectional view of the gas generator retainer 1 and the gas generator in the longitudinal direction.
- FIG. 10 is a perspective view of the gas generator retainer 1 of FIG.
- One end face of the gas generator retainer 20 is closed to form a closed end face 22, and the other end face is integrally formed with the open large-diameter tubular article 24 and the large-diameter tubular article 24.
- a small-diameter cylindrical body 26 having both ends opened and formed so as to protrude in the direction of the opening.
- the diameters of the large-diameter cylindrical object 24 and the small-diameter cylindrical object 26 are not particularly limited.
- the length of the side wall 25 of the large-diameter cylindrical body 24 and the length of the side wall 27 of the small-diameter cylindrical body 26 can be the same or different. At this time, the length of the side wall 25 of the large-diameter cylindrical body 24 can be made longer than the length of the side wall portion 27 of the small-diameter cylindrical body 26, and conversely, it can be shortened.
- a gas generator retainer 20 is disposed at a predetermined position in a gas generation chamber in which an outer shell is formed by the gas generator housing 105, and a retainer 120 is provided.
- the small-diameter cylindrical member 26 is attached by fitting the opening through the housing into the housing (not shown) of the transmission means chamber.
- the two gas generating chambers 120 and 130 are separated in the longitudinal direction into a flame-prevented state at the closed end face 22.
- the retainer 20 also has a function of holding the gas generating agent and adjusting the Z or the dose.
- the gas generating chamber is arranged so that the volume of the gas generating chamber can be secured according to the usage amount of the gas generating agent.
- FIGS. 11, 5 and 3 are cross-sectional views along the length of hybrid inflation.
- the length of the side wall 27 of the small-diameter cylindrical body 26 is larger than the length of the side wall 25 of the large-diameter cylindrical body 24 as the gas generator retainer 20 shown in FIGS. 9 and 10.
- One (second partition) 1 36 was used.
- the infra-free housing 102 is formed of a cylindrical pressure-resistant container, and the internal space 103 is filled with a pressurized medium and maintained at a high pressure.
- the pressurized medium is usually filled from a pore formed in a boss 144 connected to one end of the inflation housing 102, and the pore is filled with a seal pin or the like after filling the pressurized medium. Close.
- the gas generator 108 is arranged in series with and adjacent to the length of the inflator housing 102 around the ignition means chamber 110 and around it.
- the gas generator 108 is arranged in the inflation housing 102, and at both ends in the longitudinal direction, the boss 144 and the adapter 170 (boss 172) are used for inflation. It is connected and fixed to the housing 102 overnight.
- the transmission means chamber 110 is formed of a cylindrical housing 111, a booster cup 111 filled with a booster agent (transfer agent) 112, and a first rupture as first closing means.
- the first ignition initiator 117 is connected to the first ignition initiator 117 through the first communication hole 119 closed by the plate 116.
- the heat transfer means chamber 110 is communicated with the first gas generation chamber 120 by a hole 118.
- the first gas generation chamber 120 is arranged around the ignition means chamber 110, and has a cylindrical gas generator housing 105, a housing 111 of the ignition means chamber 110, and a 1 Retainer (1st partition) 1 2 6 and 2nd retainer 1 (second partition) 1 3 6 It is stored.
- the first gas generating chamber 120 and the inflation housing 102 are connected to each other by a hole 125 through a screen 127.
- the first retainer 1 2 6 and the second retainer 1 3 6 are attached by being fitted into the cylindrical housing 1 1 1 at the opening through the small-diameter cylindrical article 2 6. I have.
- the first retainer 1 2 6 has a short side wall 25 of the large-diameter cylindrical member 24 in contact with the inner wall surface of the gas generator housing 105, and a long side wall of the small-diameter cylindrical member 26.
- Numeral 27 is arranged in contact with the outer wall surface of the cylindrical housing 111.
- the first retainer 126 is used for adjusting a chemical amount (first gas generating agent 124), that is, for adjusting the volume of the first gas generating chamber 120.
- the first gas generating agent is arranged so as to secure an appropriate volume according to the amount of the first gas generating agent.
- the side wall 25 of the large-diameter cylindrical member 24 contacts the inner wall surface of the gas generator housing 105, and the side wall 27 of the small-diameter cylindrical member 26 (large-diameter cylinder) (The same length as the side wall 25 of the object 24) is disposed in contact with the outer wall surface of the cylindrical housing 111.
- the first gas generation chamber 120 and the second gas generation chamber 130 are separated by the second retainer 1336 into a flame prevention state.
- the second retainer 1336 also has a function of holding the second gas generating agent 134 and adjusting the Z or the dose.
- the second gas generating chamber 130 has a cylindrical housing 105, a housing 111 of the transmission means chamber 110, a second retainer 1 36, and a boss 1 45 (and a second rupture). It is formed from a plate 1339), and contains therein a required amount of a second gas generating agent 134 as a gas generating means.
- the second gas generation chamber 130 and the inflation overnight housing 102 are connected to each other by a hole 135 through a screen 135.
- the amount of the second gas generating agent 134 may be the same as the amount of the first gas generating agent 124, and may be larger or smaller than the amount of the first gas generating agent 124.
- the heat transfer means chamber 110 communicates with the first gas generation chamber 120, the first gas generation chamber 120 communicates with the inflation housing 102, and the second Since the gas generation chamber 130 is in communication with the inflation overnight housing 102, any of the fire transmission means chamber 110, the first gas generation chamber 120, and the second gas generation chamber 130 High pressure, that is, inflation overnight housing 10 2 It is kept at the same pressure as the inside (inside space 103).
- the first gas generation chamber 120 and the second gas generation chamber 130 are arranged in series and adjacent to each other in the length direction of the inflation overnight housing 102. By arranging them in series in this way, even if the number of gas generation chambers is two, the size of the entire hybrid inflation chamber can be made compact and the weight increase can be suppressed.
- first gas generation chamber 120 and the second gas generation chamber 130 do not influence the combustion in the first gas generation chamber 120 on the second gas generation chamber 130. It is desirable that the first gas generation chamber 120 and the second gas generation chamber 130 are arranged in this order from the side closer to the outlet 174, but the arrangement order may be reversed.
- the second gas generation chamber 130 is connected to the second ignition initiator 140 via a second communication hole 1 19 closed by a second rupturable plate 13 9 as a second closing means. ing.
- first gas generating chamber 120 and the second gas generating chamber 130 respectively contain gas generated by the combustion of the first gas generating agent 124 and the second gas generating agent 134, respectively.
- the path flowing into the housing 102 is an independent path. That is, the gas generated in the first gas generation chamber 120 flows into the inflation overnight housing 102 from the hole 125 through the screen 127, and is generated in the second gas generation chamber 130. Gas flows into the inflation housing 102 from the hole 135 through the screen 13.
- the ignition means chamber 114 formed in the boss 144 has a first ignition chamber 115 and a second ignition chamber 141, and the first ignition chamber has a first ignition initiator 117.
- the second ignition chamber accommodates a second ignition initiator 140. No.
- the first and second ignition chambers can be arranged in parallel and adjacent to the length direction of the free housing 102.
- the first ignition initiator 117 and the second ignition initiator 140 are attached to the boss 144, and the boss 144 is connected to the inflation housing 114 at the joint portion 144. Is fixed by welding or the like.
- the boss 145 and the housing 105 are fixed to each other at a joint portion 149 by welding or the like.
- the afterburner 150 is formed of a housing 152, is disposed in the direction of the gas outlet 170 on the extension of the combustion means chamber 110, and has a housing 105 at a joint portion 150 at one end. It is fixed by welding or the like.
- An afterburner nozzle (or aspirator) 162 is attached to one end surface of the afterburner 150.
- the after-panner — 150 and the inflation housing 102 are connected by a hole 166, and a knob 164 is located in the after-burner 150 at a position in contact with the hole 166. Have been.
- the valve 164 has a part around its circumference, for example, the force fixed to the inner wall of the housing 152 by cantilever connection.
- the unfixed part is deformed by pressure from inside and outside (internal and external differential pressure). It is.
- the valve 164 may be, for example, a filling material made of a substantially cylindrical roll that can be deformed by pressure (for example, a 300 series stainless steel having a thickness of about 0.0508 mm). ) Can be used.
- the other end of the afterburner 150 (gas outlet 174 side) is connected to the adapter 170 via the 0-ring 168, and the adapter 170 is joined At the part 176, it is fixed to the boss 172 by welding or the like.
- a main rupture plate 178 is fixed to the joining portion 1-6 at the periphery thereof by welding or the like so as to close the gas outlet 174.
- the diffuser 180 is fixed to the boss 172 at the joint portion 181 by welding or the like.
- the diffuser 180 has a plurality of diffuser ports 18 2 for sending the pressurized medium into the air bag, and a diffuser screen 18 4 for removing fine particles.
- the diffuser 180 has a slide bolt 190 on its front side for connecting to an airbag module.
- each of the above-described components is desirably arranged so as to be symmetrical in the width direction with respect to the central axis (the dashed line in FIG. 11). However, some or all of the components may be arranged eccentrically with respect to the central axis.
- the first retainer 126 has a large-diameter cylindrical member 24 having a small-diameter cylindrical wall opposite to the one shown in FIG. It is longer than 26 sidewalls.
- the first retainer 1 2 6 and the second retainer 1 3 6 are attached by being fitted into the cylindrical housing 1 1 1 at the opening through which the small-diameter tubular article 2 6 penetrates. .
- the first retainer 1 2 6 has a long side wall 25 of the large-diameter cylindrical member 24 that contacts the inner wall surface of the gas generator housing 105, and a short side wall of the small-diameter cylindrical member 26.
- the first retainer 1 2 6 is used for adjusting the drug amount (the first gas generating agent 1 2 4), That is, it is used to adjust the volume of the first gas generating chamber 120, and is arranged so as to secure an appropriate volume according to the amount of the first gas generating agent 124.
- the side wall 25 of the large-diameter cylindrical member 24 contacts the inner wall surface of the gas generator housing 105, and the side wall 2 7 of the small-diameter cylindrical member 26 (large-diameter cylinder) (The same length as the length of the side wall 25 of the object 24) is arranged in contact with the outer wall surface of the cylindrical housing 111.
- the first gas generating chamber 120 and the second gas generating chamber 13 are separated into a flame-prevented state by the second retainer 1 36.
- the second retainer 1336 also has the function of holding the second gas generating agent 134 and adjusting the amount of the second gas generating agent.
- the rupture mechanism of the main rupturable plate 178 in the embodiment shown in FIG. 5 is as described in the fifth embodiment.
- the first retainer-126 and the second retainer 130 have a small-diameter cylinder in which the length of the side wall 25 of the large-diameter cylindrical object 24 is small. It is longer than the length of the side wall 27 of the object 26.
- the first retainer 1 26 and the second retainer 1 36 are attached by being fitted into the cylindrical housing 111 at the opening through which the small-diameter cylindrical body 26 penetrates.
- the first retainer 1 2 6 has a long side wall 25 of the large-diameter tubular member 24 in contact with the inner wall surface of the gas generator housing 105, and a short side wall of the small-diameter tubular member 26.
- Numeral 27 is arranged in contact with the outer wall surface of the cylindrical housing 111.
- the first retainer 1 26 is used for adjusting a chemical amount (the first gas generating agent 124), that is, for adjusting the volume of the first gas generating chamber 120. It is arranged so that an appropriate volume can be secured according to the amount of the first gas generating agent 124.
- the second retainer 1 36 has a long side wall 25 of the large-diameter tubular member 24 that contacts the inner wall surface of the gas generator housing 105, and a short side wall 2 of the small-diameter tubular member 26. 7 is arranged in contact with the outer wall surface of the cylindrical housing 111.
- the second retainer 1336 By the second retainer 1336, the first gas generation chamber 120 and the second gas generation chamber 130 are separated into a flame prevention state.
- the second retainer 1336 also has a function of holding the second gas generating agent 134 and adjusting the Z or the dose.
- the rupture mechanism of the main rupturable plate 178 in the embodiment shown in FIG. 3 is as described in the third embodiment.
- both the first retainer 1 26 and the second retainer 1 36 are arranged so that the opening faces are in the same direction.
- Reference numeral 36 is arranged such that the first gas generation chamber 120 side is an opening surface.
- the ignition initiator 1 1 17 When the ignition initiator 1 1 17 is activated and the transfer charge 1 1 2 is ignited and burned, the first gas generating agent 1 2 4 is ignited and burned, and the pressure in the first gas generating chamber 1 2 0 rises However, the second retainer 13 6 is deformed so as to push open the opening, that is, the side wall 25 of the large-diameter cylindrical object 24 is the gas generator housing 10.
- the cylindrical housing 111 so that the first gas generation chamber 120 and the second gas generation chamber 130 are flame-proof. Separated and held in a state. Therefore, the combustion of the first gas generating agent 124 Since the combustion of the second gas generating agent is further prevented, malfunction of the hybrid inflator 100 is prevented.
- the high-temperature combustion gas Flows out of the communication hole 13 5, but at this time, it passes through the space between the second retainer — 1 36 and the gas generator housing 105 or the cylindrical housing 1 1 1, and the first gas generation chamber 1 2 Even if a small amount of combustion gas flows out to 0, the function of the hybrid inflation overnight will not be affected.
- the pressed pressurized medium deforms the valve 164 to secure a passage for the pressurized medium.
- the main rupturable plate 178 is ruptured, and in the configurations shown in FIGS. 5 and 3, the main rupturable plate 178 is ruptured by the projectile 175 and the pressurized medium is respectively discharged from the diffuser port 182. Discharge. Then, the connected airbag is instantly inflated.
- An airbag system includes an operation signal output unit including an impact sensor and a control unit, and a module case in which a hybrid inflation device 100 and an airbag are stored in a module case. It is.
- the airbag By outputting an activation signal only to the first ignition initiator 117 in the evening 100 (or 200) and igniting it, by suppressing the amount of gas generated from the gas generator 108, The inflation speed of the airbag can be reduced (or the inflation pressure can be reduced). By adjusting the amount of gas generation according to the degree of impact in this way, the airbag can inflate and deploy rapidly, applying an unnecessarily high pressure to the occupant, despite the small impact. Is prevented.
- an operation signal is simultaneously output to the first ignition initiator 117 and the second ignition initiator 140 to ignite, and the combustion from the gas generator 108 is performed. It maximizes gas generation and increases airbag inflation speed.
- the expansion speed can be adjusted according to the occupant's situation. That is, immediately after the impact, the airbag can be inflated at a slower rate and then further inflated to inflate the airbag so that a cushion is formed in front of the occupant. In addition, it senses not only the magnitude of the impact received by the vehicle but also the occupant's physique, weight and Z or the position of the occupant, and controls the output signals to both ignition initiators 117 and 140. The airbag inflation speed can be adjusted accordingly.
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00937285A EP1190919B1 (en) | 1999-06-18 | 2000-06-16 | Multi-stage expansion type hybrid inflator |
DE60035990T DE60035990T2 (de) | 1999-06-18 | 2000-06-16 | Mehrstufiger hybridgasgenerator von entspannungstyp |
KR1020017014844A KR20020005756A (ko) | 1999-06-18 | 2000-06-16 | 다단팽창식 하이브리드 인플레이터 |
US09/959,766 US6793244B1 (en) | 1999-06-18 | 2000-06-16 | Multi-stage expansion tire hybrid inflator |
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17214499 | 1999-06-18 | ||
JP11/172144 | 1999-06-18 | ||
JP11/306598 | 1999-10-28 | ||
JP30659899 | 1999-10-28 | ||
JP30660199 | 1999-10-28 | ||
JP11/306592 | 1999-10-28 | ||
JP11/306601 | 1999-10-28 | ||
JP30659299 | 1999-10-28 | ||
JP2000129688A JP4557367B2 (ja) | 1999-06-18 | 2000-04-28 | ガス発生器用リテーナ |
JP2000/129688 | 2000-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000078580A1 true WO2000078580A1 (fr) | 2000-12-28 |
Family
ID=27528542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/003960 WO2000078580A1 (fr) | 1999-06-18 | 2000-06-16 | Dispositif de gonflage hybride expansible multietage |
Country Status (8)
Country | Link |
---|---|
US (1) | US6793244B1 (ja) |
EP (1) | EP1190919B1 (ja) |
KR (1) | KR20020005756A (ja) |
CN (1) | CN1356944A (ja) |
DE (1) | DE60035990T2 (ja) |
HU (1) | HUP0202279A2 (ja) |
TW (1) | TW504475B (ja) |
WO (1) | WO2000078580A1 (ja) |
Families Citing this family (19)
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JP4587584B2 (ja) * | 2000-03-28 | 2010-11-24 | ダイセル化学工業株式会社 | ハイブリッドインフレータ |
JP2002120687A (ja) * | 2000-10-19 | 2002-04-23 | Daicel Chem Ind Ltd | ハイブリッドインフレータ |
US6860510B2 (en) | 2001-08-21 | 2005-03-01 | Daicel Chemical Industries, Ltd. | Multistage inflating-type hybrid inflator |
US7438313B2 (en) * | 2003-08-06 | 2008-10-21 | Arc Automotive, Inc. | Compact multi-level output gas generator |
DE20319564U1 (de) * | 2003-12-17 | 2004-04-15 | Trw Airbag Systems Gmbh | Gasgenerator |
US7588265B2 (en) * | 2004-04-12 | 2009-09-15 | Automotive Systems Laboratory, Inc. | Pressurized gas release mechanism |
JP4621016B2 (ja) * | 2004-12-10 | 2011-01-26 | ダイセル化学工業株式会社 | ガス発生器 |
US7341276B2 (en) | 2005-10-03 | 2008-03-11 | Key Safety Systems, Inc. | Airbag module with external venting |
US7320479B2 (en) * | 2005-10-03 | 2008-01-22 | Key Safety Systems, Inc. | Hybrid inflator |
US7325829B2 (en) | 2005-10-03 | 2008-02-05 | Key Safety Systems, Inc. | Airbag inflator |
JP2008081098A (ja) * | 2006-08-30 | 2008-04-10 | Toyoda Gosei Co Ltd | エアバッグ装置 |
US7942990B2 (en) * | 2006-12-18 | 2011-05-17 | Daicel Chemical Industries, Ltd. | Hybrid inflator |
EP2471692B2 (en) * | 2009-05-11 | 2022-01-05 | Joyson Safety Systems Germany GmbH | Gas generator for inflating a gas bag of a vehicle occupant restraint system and method of inflating a gas bag |
US9994188B1 (en) * | 2011-05-27 | 2018-06-12 | Joyson Safety Systems Acquisition Llc | Gas generating system |
DE202016001333U1 (de) * | 2016-02-12 | 2017-05-17 | Trw Airbag Systems Gmbh | Hybridgasgenerator, Gassackmodul und Fahrzeugsicherheitssystem |
JP6930981B2 (ja) * | 2016-08-29 | 2021-09-01 | 株式会社ダイセル | ガス発生器 |
JP6714495B2 (ja) * | 2016-11-10 | 2020-06-24 | 株式会社ダイセル | ガス発生器 |
DE102017100857A1 (de) | 2017-01-18 | 2018-07-19 | Trw Airbag Systems Gmbh | Hybridgasgenerator, Verfahren zum Betreiben eines Hybridgasgenerators, Gassackmodul und Fahrzeugsicherheitssystem |
CN112248962A (zh) * | 2020-11-30 | 2021-01-22 | 宜致汽车安全系统(常熟)有限公司 | 一种安全气囊混合式气体发生器 |
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- 2000-06-16 US US09/959,766 patent/US6793244B1/en not_active Expired - Lifetime
- 2000-06-16 CN CN00809162A patent/CN1356944A/zh active Pending
- 2000-06-16 KR KR1020017014844A patent/KR20020005756A/ko not_active Application Discontinuation
- 2000-06-16 HU HU0202279A patent/HUP0202279A2/hu unknown
- 2000-06-16 WO PCT/JP2000/003960 patent/WO2000078580A1/ja active IP Right Grant
- 2000-06-16 DE DE60035990T patent/DE60035990T2/de not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
---|---|
CN1356944A (zh) | 2002-07-03 |
DE60035990D1 (de) | 2007-09-27 |
EP1190919B1 (en) | 2007-08-15 |
EP1190919A4 (en) | 2005-07-27 |
TW504475B (en) | 2002-10-01 |
DE60035990T2 (de) | 2007-12-06 |
US6793244B1 (en) | 2004-09-21 |
KR20020005756A (ko) | 2002-01-17 |
EP1190919A1 (en) | 2002-03-27 |
HUP0202279A2 (en) | 2002-10-28 |
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