WO2002032728A1 - Gonfleur hybride - Google Patents
Gonfleur hybride Download PDFInfo
- Publication number
- WO2002032728A1 WO2002032728A1 PCT/JP2001/009110 JP0109110W WO0232728A1 WO 2002032728 A1 WO2002032728 A1 WO 2002032728A1 JP 0109110 W JP0109110 W JP 0109110W WO 0232728 A1 WO0232728 A1 WO 0232728A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hybrid
- nozzles
- pressurized medium
- main
- gas
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R21/268—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R21/261—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow with means other than bag structure to diffuse or guide inflation fluid
Definitions
- the present invention relates to an inflatable safety system for a motor vehicle, and more particularly, to a hybrid inflation system capable of rapidly and reliably inflating an airnog regardless of an ambient temperature in practical use, and a use thereof.
- a hybrid inflation system capable of rapidly and reliably inflating an airnog regardless of an ambient temperature in practical use, and a use thereof.
- the airbag device Related to the airbag device.
- An object of the present invention is to provide a highly safe hybrid inflation system that can inflate an airbag quickly and reliably and an airbag device using the same.
- an inflation housing filled with a pressurized medium and a gas housed in an inflation housing having one or more gas generation chambers including gas generation means.
- a hybrid inflator for an inflatable safety system for a vehicle with an airbag comprising a generator and ignition means connected to a gas generator, wherein the pressurized medium is activated during a hybrid inflation operation.
- the outflow path is closed in the middle by a main rupture ⁇ , and a hybrid in which a plurality of nozzles for controlling the outflow efficiency of the heating medium and the combustion gas is provided in the outflow path of the heating medium.
- the pressurized medium flows during the operation of hybrid inflation.
- the route to be issued can be set and changed as appropriate according to the structure of hybrid inflation.
- the present invention controls a change in the internal pressure of a hybrid inflation system by controlling the flow rate of the pressurized medium and the combustion gas by the action of a plurality of nozzles provided in a path through which the pressurized medium flows. Therefore, when applied to an airbag device, the airbag can be quickly and reliably inflated without being affected by the ambient temperature during use.
- a plurality of nozzles for controlling the outflow amount of the pressurized medium and the combustion gas are provided in the outflow path of the pressurized medium before reaching the main rupture disk. Structure.
- a hybrid inflation having the following structures can be performed.
- the outflow path of the pressurized medium is formed by a cylindrical member, the outflow path before reaching the main rupture disk, and the cylindrical member has one end facing the main rupture disk and the other end closed.
- the structure may be a structure in which a plurality of nozzles each having a through hole are provided on a side surface.
- an outflow path before reaching the main rupturable plate is formed by a cylindrical member, and the cylindrical member has one end facing the main rupturable plate, and It is possible to adopt a structure in which a plurality of nozzles formed of through holes are provided. In this case, there is no nozzle on the side.
- an outflow path of the pressurized medium is formed by a tubular member before reaching the main rupturable plate, and the cylindrical member has one end facing the main rupturable plate and the other end facing the main rupturable plate.
- the hybrid inflation system according to the above invention has a structure in which a plurality of nozzles for controlling the outflow amount of the pressurized medium and the combustion gas are provided in an outflow path of the pressurized medium after the main rupture disk. Can be.
- the outflow path after the W plate is formed by a cylindrical member, and the cylindrical member has a structure in which one end side faces the main rupture plate, and a plurality of nozzles including through holes are provided on the other end side and / or side surfaces.
- a plurality of outlets of the pressurized medium and the combustion gas from the hybrid inflation system located in the outflow path after the main rupture disk may be nozzles.
- a nozzle may be provided in one or both of the outflow paths of the pressurized medium before and after reaching the main rupture disk, but the outflow path before reaching the main rupture disk is provided. It is desirable to provide a nozzle at the surface.
- the plurality of nozzle opening areas can be the same or different.
- the opening area of this nozzle is set so that the outflow of the pressurized medium and the combustion gas can be controlled to a desired degree according to the performance and application required for the hybrid inflation. Since the opening area of the nozzle corresponds to the size of the nozzle diameter, the nozzle opening area is preferably 1 to 8 mm, more preferably 1 to 6 mm, in terms of the nozzle diameter.
- the opening area is preferably 40 to 120 mm2 force, more preferably 60 to 90 mm2, and the number of nozzles is determined in relation to the total opening area of the nozzles, and 2 to 8 Is preferable, and 4 to 6 are more preferable.
- a structure may be employed in which a plurality of nozzles are closed by a shielding means, and the state of blocking by the shielding means is selected depending on the installation location of the plurality of nozzles.
- a shielding means that is, a nozzle in a closed state and a nozzle in an open state are mixed.
- This shielding will be activated as King I rises during the high-flying inflation night.
- the pressure required for the shielding means to burst is different.
- the breaking pressure of the shielding means can be made different by a desired combination such as one piece, two pieces or three pieces.
- the pressure at which the shielding means is broken can be adjusted by changing the diameter of the nozzle, the strength (thickness, material, etc.) of the shielding means, and the like.
- the rupture easiness of the shielding means (that is, the length of the rupture time) can be made different for each of a plurality of nozzles. It is possible to control the outflow of the pressurized medium and the combustion gas.
- the strength of the shielding means used in the present invention needs to be adjusted by thickness, material, and the like so that the shielding means can be ruptured in accordance with changes in internal pressure during the hybrid inflation. Changes in internal pressure during the operation of the hybrid inflation system are subject to various requirements when the hybrid inflation system is applied to an airbag system, for example, the mounting position in the vehicle (driver's seat, passenger seat, rear seat, etc.). Although it differs depending on the vehicle type and the use environment temperature, it is preferable to use a tape with a thickness of 30 to 300 m as a shielding means, and use a tape with a thickness of 30 to 80 m as a shield. Is more preferable.
- the material of the tape is not particularly limited, but gold, for example, stainless steel or aluminum is preferable.
- the pressurized medium used in the hybrid inflation of the present invention is composed of an inert gas such as argon or helium (nitrogen is also included in the inert gas in the present invention). It can also be included.
- Argon acts to promote the thermal expansion of the pressurized medium, and it is preferable to include helium because leakage of the pressurized medium is easily detected and the circulation of defective products is prevented.
- Oxygen acts to convert carbon monoxide and hydrogen generated by combustion of the gas generating agent as a gas generating means into carbon dioxide and water vapor.
- the filling pressure of the pressurized medium (the pressure inside the housing with two inflation) is preferably 10,000 to 70,000 kPa, more preferably 30,000 to 60,000 kPa.
- the pressurized medium may or may not contain oxygen. When oxygen is contained, the pressure medium is preferably at most 30 mol%.
- a gump-mouth perant can be used as the gas generating means used in the present invention.
- a single base gump-mouth perant, a double base-gump-perant, a triple base gump-perant, and a mixture of secondary explosives, binders, plasticizers, stabilizers, etc. are mixed.
- Shaped products can also be used.
- Secondary explosives include hexahydrotrinitrotriazine (RDX), cyclotetramethylenetetranitramine (HMX), pentaerythritol tetranitritol (PETN), and triaminoguanidine ditrate (TAGN) And the like.
- RDX hexahydrotrinitrotriazine
- HMX cyclotetramethylenetetranitramine
- PETN pentaerythritol tetranitritol
- TAGN triaminoguanidine ditrate
- binder examples include cell acetate, cellulose acetate butyrate, cellulose acetate propiolate, ethylcellulose, polyvinyl acetate, azidopolymer, polybutadiene, hydrogenated polybutadiene, and polyurethane.
- Plasticizers such as trimethyloyl urethan trinitrate and butane triio Examples include: sodium nitrite, nitroglycerin, bis (2,2-dinitropropyl) acetate / formal, glycidyl azide, acetyltriethylcitrate, and the like; stabilizers include ethylcentralite, Diphenylamine, resorcinol and the like.
- 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.
- a fuel and an oxidizing agent as described below or a material containing a fuel, an oxidizing agent and a slag forming agent may be mixed with a binder if necessary.
- a gas generating agent molded into a desired shape can be used.
- the gas generating agent it is preferable to use a perforated cylinder having one or more through holes or non-through holes.
- a perforated cylindrical gas generating agent By using such a perforated cylindrical gas generating agent, the combustion of the gas generating agent can be promoted, so that the operating performance during hybrid inflation can be improved.
- the outer diameter (R), inner diameter (d), and length (L) can be set as appropriate within a range that can be applied to a high-definition frame. .
- the outer diameter is 6 mm or less
- the ratio (L ZW) of the length to C (R ⁇ d) / 2] is 1 or more.
- the outer diameter is 60 mm or less and the thickness is
- the ratio of the length to the distance between the holes (when multiple holes are evenly distributed, or the average value of the distances when the holes are not evenly distributed) (L ZW) is preferably 1 or more. Further, in the case of one having one or two or more non-through holes, the outer diameter is 6 Omni or less, and the ratio of the length to the thickness (W) (the same definition as that of the above-described porous cylinder) (L W) is 1 or more, and the ratio (W '/ W) of the thickness W' of the non-through hole portion (the distance between the bottom of the non-AIR interception hole and the bottom of the cylindrical object) to the thickness W (W '/ W) is 0.5 to It is preferably 2.
- this gas generating agent the gas generated by its combustion, together with the pressurized medium, It is useful for the expansion and expansion of the fiber.
- a gas generating agent containing a slag forming agent it is possible to greatly reduce the amount of mist discharged from inflation.
- the gas generating means preferably contains a non-azide organic compound other than a ditramine compound as a fuel, and a gas generating means containing a nitramine compound is described in U.S. Pat. No. 5,507,891.
- propellant compositions disclosed in the claims include compositions containing cyclotrimethylenetrinitramine (RDX) and cyclotetramethylenetetranitramine (HMX).
- RDX cyclotrimethylenetrinitramine
- HMX cyclotetramethylenetetranitramine
- Secondary propellants include RDX, HMX, PETN, TAGN, etc. described in claim 34 of the publication, and the binder system is CA, CAB, CAP, CB, described in claims 37 and 38. Those containing a binder such as EC and PVA can be mentioned.
- nitrogen-containing compounds can be used as fuels containing non-azide organic compounds excluding nitramine compounds.
- a triazole derivative a tetrazole derivative, a guanidine derivative, an azodicarbonamide derivative, and a hydrazine derivative may be mentioned.
- Specific examples thereof include 5-oxo-1,2,4-triazole, tetrazole, 5-aminotetrazole, 5,5-B 1H-tetrazole, guanidine, nitroguanidine, cyanoguanidine, and triaminoguanidine.
- Fuels include nitroguanidine (NQ), guanidine nitrate (GN), guanidine carbonate, aminonitroguanidine, aminoguanidine nitrate, aminoguanidine carbonate, diaminoguanidine nitrate, diaminoguanidine carbonate , Preferably one or more selected from guanidine derivatives such as triaminoguanidine nitrate Ka Of course, it is not limited to these.
- 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 10 to 80 parts by weight, more preferably 20 to 50 parts by weight, based on 100 parts by weight of the fuel.
- the slag forming agent may be one or more selected from acid clay, talc, bentonite, diatomaceous earth, kaolin, silica, alumina, sodium silicate, silicon nitride, silicon carbide, hydrotalcite, and mixtures 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.
- binder one or more selected from sodium salt of carboxymethylcellulose, hydroxyethylcellulose, starch, polyvinyl alcohol, guar gum, microcrystalline cellulose, polyacrylamide, calcium stearate and the like are preferable.
- the amount of the binder is preferably 0 to 30 parts by weight, more preferably 3 to 10 parts by weight, based on 100 parts by weight of the fuel.
- the gas generator has one gas generating chamber including gas generating means (single type), two gas generating chambers (dual type), or three or more gas generating chambers.
- the arrangement when there are two or more gas generating chambers is not particularly limited.For example, when there are two gas generating chambers, a structure in which two gas generating chambers are arranged in series and adjacent to each other in the length direction , A structure arranged in series and separated in the length direction, a structure arranged in parallel and adjacent in the width direction, a structure arranged in parallel in the width direction and separated, etc. be able to.
- the gas generating means may be configured to be kept in a normal pressure atmosphere. It is preferable to maintain the gas generating means in a normal pressure atmosphere instead of a pressurized atmosphere because the gas generating means is not easily deteriorated by pressure during a long period of time. When subjected to deterioration due to pressure, the gas generating means may easily collapse during combustion.
- the present invention provides an airbag device comprising: an operation signal output means comprising an impact sensor and a control unit; and a module case in which the above-mentioned hybrid inflation and an airbag are accommodated in a case. I will provide a.
- the "gas generator” generates high-temperature combustion gas by combustion of gas generating means (gas generating agent) present in the gas generation chamber, and the high-temperature combustion gas flows out into the inflator housing. It has a gas generating function.
- the hybrid inflation overnight includes the gas generator in the inflation overnight housing, and the “inflation evening” is caused by the action of the high-temperature combustion gas flowing out of the gas generator, and the inside of the inflation overnight housing. And has the function of allowing the pressurized medium present outside the gas generator to flow out, and inflating the inflatable article such as an airbag. This means that both hot combustion gas and pressurized medium are used in combination.
- the airbag of the present invention since the outflow of the pressurized medium and the combustion gas is easily controlled, when the present invention is applied to an airbag device, it is quick and independent of the environmental temperature.
- the airbag can be reliably inflated.
- FIG. 1 is a longitudinal sectional view showing an embodiment of the Sindal hybrid inflatable frame of the present invention.
- FIG. 2 is a longitudinal sectional view showing one embodiment of a dual-type hybrid inflation system of the present invention.
- FIG. 3 is a diagram showing a sunset internal pressure curve of Test Example 1.
- FIG. 1 is a longitudinal cross-sectional view of one embodiment of a single-type hybrid inflation 100 with one gas generating chamber.
- 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.
- the pressurized medium is usually filled through a pore 107 formed in a boss 144 connected to one end of the inflator housing 102, and the pore is filled with a seal pin after filling the pressurized medium. Blocked by 109.
- the remaining outer shape excluding the vicinity of the end on the diffuser 180 side can be formed into a shape having a uniform diameter (a flat outer shape without constriction or the like).
- the gas generator 108 has an outer shell formed by the gas generator housing 105. Inside the shell is formed a fire chamber 110 and a band around the fire chamber 110.
- the inflation overnight housing 102 has a gas generating chamber 120 arranged in series and adjacent to the longitudinal direction of the housing 102.
- This gas generator 108 has an inflation overnight housing 1 0 2, and is fixed to the boss 1 45 at one end in the length direction by welding.
- the transfer chamber 110 is formed from a cylindrical transfer chamber housing 111, and a booster cup 111 filled with a booth agent (fire transfer agent) 112 and a rupture as a closing means It is connected to an ignition initiator 117 through a communication passage closed by a plate 119.
- the transfer chamber 110 communicates with the gas generating chamber 120 through a transfer hole 118.
- the gas generation chamber 120 is located around the transmission chamber 110, and the gas generation chamber housing 105, the housing 110 of the transmission chamber 110, the partition wall 126, and the boss 1 It is composed of 45 powers, and contains a required amount of gas generating agent 124 as a gas generating means.
- the gas generating chamber 120 and the inflation overnight housing 102 are connected to each other by a plurality of communication holes 125, and the plurality of communication holes 125 are formed by the gas generating chamber 122 and the gas generating agent 124. Their hole diameters are adjusted so that they do not leak out of zero.
- the transfer chamber 110 is connected to the gas generation chamber 120, and the gas generation chamber 120 is connected to the inflation overnight housing 102.
- Each of the generation chambers 120 is maintained at a high pressure, that is, the same pressure as the inside of the inflation housing 102 (the internal space 103).
- An ignition initiator 117 is accommodated in an ignition means chamber 115 formed in the boss 144, and the ignition initiator 117 is connected to the boss 144 via an initiator collar 144.
- the boss 145 is fixed to the inflation overnight housing 102 by welding or the like at the joint portion 146.
- a cylindrical adapter 170 which is an outflow path of the pressurized medium, is quickly connected, and an opening communicating the transfer chamber 110 and the adapter 170 is provided.
- ⁇ fired through the ring 17 2 and over both the transfer chamber 110 and the adapter 170 in operation to ⁇ break the rupturable plate 1 78 Body 175 is attached. Therefore, the opening through which the transfer chamber 110 and the adapter 170 pass quickly is closed by the projectile 175.
- the tip of the projectile 175 is located in the internal space 176 of the adapter 170, and the internal space 176 and the internal space 103 of the inflation overnight housing 102 are different from each other.
- the plurality of nozzles 166 provided through the side surface of the adapter 170 communicate with each other.
- the plurality of nozzles 1666 are provided in the outflow path of the pressurized medium before reaching the main rupture disk 1778. Since the gas flow path 105 a is formed by the inner surface of the housing 105 and the outer surface of the adapter 170, the pressurized medium in the internal space 103 always has the gas flow path 1 during operation. It will flow into nozzle 1 6 6 through 0 5 a.
- a shielding means 160 (for example, a stainless steel tape having a thickness of 30 to 80 m) is attached to a part of the nozzles 16 with an adhesive. For example, if a total of six nozzles are provided and three of them are closed, the other three are open.
- the opening areas (or diameters) of the plurality of nozzles 166 may be the same or different.
- nozzles equivalent to the plurality of nozzles 166 can be provided in the outflow path of the pressurized medium located after the main rupture disk 178.
- a plurality of diffuser ports (gas outlets) 18 2 can be used as nozzles.
- Part or all of the plurality of diffuser ports 1822 can be closed with a member equivalent to the above-described shielding means 160.
- a diffuser 180 is connected to one end of the inflation overnight housing 102, and the diffuser 180 is fixed by welding at a joint portion 181.
- a main rupture disc 1 as a closing means for blocking the flow path of the pressurized medium to the diffuser bottle 182 before operation. 7 8 is installed. Therefore, before the operation, the main rupturable plate 178 completely separates and blocks the internal space 103 of the inflation overnight housing 102 and the gas inflow space 150. Movement of the pressure medium is prevented.
- a plurality of diffusers 182 for feeding a pressurized medium into the airbag, and a diffuser screen for removing fine particles. 186 are provided, and a bolt 190 for connecting to the airbag module is fixed to the outer surface side.
- 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. 1). Some or all of the components may be arranged eccentrically with respect to the central axis.
- the airbag system of the present invention comprises: an impact sensor and an operation signal output means for providing control unit power; and a module case in which the hybrid airframe 100 and the airbag are housed in the module case. It is provided.
- the ignition bolts were connected to the ignition signal generator (impact sensor and control unit) on the ignition initiator side, and a stud bolt was installed in the module case fitted with the airbag. Fix the connection by screwing in.
- the operation signal output condition in the operation signal output means by appropriately setting the operation signal output condition in the operation signal output means, the amount of gas generation is adjusted according to the degree of impact, and the inflation speed of the airbag is adjusted. Can be.
- the pressurized medium filled in the inflation overnight housing 102 with high pressure flows into the gas generation chambers 120 which are communicated with the communication holes 125 before the operation of the hybrid inflation heater 100, respectively. Furthermore, they also flow into the heat transfer chamber 110 via the heat transfer holes 118, and maintain them at high pressure and equal pressure. In addition, since projectile 175 is attached across internal space 176 and the transfer chamber 11 ° maintained at the same pressure, erroneous operation is prevented.
- the ignition initiator 1 17 fires at the operating point, and the rupture disc 1 1 9 is broken by the signal output means to break the booth binder 1 1 2 in the transfer chamber 110. Ignite and generate warmer booster gas.
- Most of the booster gas flows into the gas generation chamber 120 through the spill hole 118 and ignites and burns the gas generating agent 124 to a predetermined amount (to the filling amount of the gas generating agent 124). (Depending on the amount).
- the high-temperature combustion gas flows from the communication hole 125 to increase the pressure in the inflation overnight housing 102, so that the pressed pressurized medium flows into the gas flow passage 105a, After passing through 166, it flows into the gas inflow space 15 ° through the ruptured main rupture disk 1 ⁇ 8.
- the actual operating environment temperature is as low as ⁇ 20 ° C, ⁇ 30 ° C due to the various operating environments of vehicles. Since the temperature range is wide up to high temperatures of up to 50 and 60, the internal pressure during operation of the hybrid will also be affected by the operating temperature.
- the hybrid inflation system performs the above operation by changing the total opening area of the nozzles during low-temperature combustion and high-temperature combustion.
- the maximum internal pressure during low-temperature combustion in freezing is 15, 00 00-20, OOO kPa
- the maximum internal pressure during normal temperature combustion is 30, 00 00-35, 00 kPa Therefore, if the threshold value for the rupture of the shielding means is set to 30 000 kPa, the rupture of the shielding means until the internal pressure reaches 30 000 kPa even at low temperature combustion Therefore, the total opening area of the nozzle is kept small to prevent a sharp drop in the internal pressure, and as a result, the flow rate of the pressurized medium and the combustion gas is controlled, so that the airbag can be sufficiently released within a predetermined time. Can be inflated.
- the shielding means ruptures and all nozzles are opened during normal temperature to high temperature combustion, so that the outflow amount of the pressurized medium and the combustion gas is reduced.
- the airbag can be fully inflated within a predetermined time under control.
- the pressurized medium and the combustion gas which flow into the gas inflow space 150 through the nozzle 1666 in this manner further pass through the diffuser screen 1886, and from the diffuser bottle 1828. It is injected and inflates the airbag attached to the airbag module.
- FIG. 2 is a longitudinal cross-sectional view of one embodiment of a dual-type hybrid inflation system 200 in which a gas generating chamber has two gas generating chambers.
- 1 have the same meanings as in FIG. 1, 115 is the first ignition means chamber, 117 is the first ignition initiator, 119 is the first rupture disk, and 120 is the first gas generation Chamber, 124 is the first gas generating agent, 125 is the first passage, 141 is the second ignition means chamber, 140 is the second ignition finisher, 139 is the second rupturable plate, and 130 is the second rupture disc.
- a gas generating chamber, 134 indicates a second gas generating agent, and 135 indicates a second communication hole.
- the airbag can be sufficiently inflated within a predetermined time even in a low-temperature or high-temperature environment by the action of the shielding means 160 and the nozzle 166.
- the single-type hybrid inflation overnight 100 shown in Fig. 1 was manufactured.
- Example 2 During the hybrid inflation of Example 1, the same ones were manufactured except that four with a diameter of 5 mm (total opening area: 78.5 mm2) were provided and all were in the open state.
- Example 1 Using the hybrid inflation overnight of Example 1 and Comparative Example 1, a 60-liter tank test was performed at 135 ° C to measure the change in tank internal pressure, and the pressure curve shown in FIG. 3 was obtained. During the hybrid inflation of Example 1, after the test was completed, all of the stainless steel tape blocking the nozzle had burst.
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
- Nonwoven Fabrics (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01976712A EP1327565B1 (en) | 2000-10-19 | 2001-10-17 | Hybrid inflator |
US10/149,984 US6799776B2 (en) | 2000-10-19 | 2001-10-17 | Hybrid inflator |
DE60117035T DE60117035T2 (de) | 2000-10-19 | 2001-10-17 | Hybrid-aufblasvorrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000319459A JP2002120687A (ja) | 2000-10-19 | 2000-10-19 | ハイブリッドインフレータ |
JP2000-319459 | 2000-10-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002032728A1 true WO2002032728A1 (fr) | 2002-04-25 |
Family
ID=18797911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/009110 WO2002032728A1 (fr) | 2000-10-19 | 2001-10-17 | Gonfleur hybride |
Country Status (5)
Country | Link |
---|---|
US (1) | US6799776B2 (ja) |
EP (1) | EP1327565B1 (ja) |
JP (1) | JP2002120687A (ja) |
DE (1) | DE60117035T2 (ja) |
WO (1) | WO2002032728A1 (ja) |
Families Citing this family (14)
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US20040155444A1 (en) * | 2002-12-09 | 2004-08-12 | Naoki Matsuda | Gas generator for air bag |
FR2866022B1 (fr) * | 2004-02-10 | 2006-07-28 | Snpe Materiaux Energetiques | Composition pyrotechnique generatrice de gaz destinee a la securite automobile |
US7588265B2 (en) * | 2004-04-12 | 2009-09-15 | Automotive Systems Laboratory, Inc. | Pressurized gas release mechanism |
US7654565B2 (en) * | 2005-06-02 | 2010-02-02 | Automotive Systems Laboratory, Inc. | Gas generating system |
US8496266B2 (en) * | 2005-06-02 | 2013-07-30 | Tk Holdings, Inc. | Gas generating system |
EP1800973B1 (en) | 2005-12-20 | 2008-10-29 | Key Safety Systems, Inc. | Inflator having a variable gas flow throttle |
JP4989916B2 (ja) * | 2006-04-27 | 2012-08-01 | 株式会社ダイセル | 人員拘束装置用ガス発生器 |
US7806436B2 (en) | 2006-06-19 | 2010-10-05 | Tk Holdings, Inc. | Gas generating system |
US7721915B2 (en) * | 2007-04-11 | 2010-05-25 | Goodrich Corporation | Hybrid inflator with temporary gas generator throttle |
US20090045612A1 (en) * | 2007-08-15 | 2009-02-19 | Autoliv Asp, Inc. | Flameless method to open a cold gas inflator burst disk |
CN201506324U (zh) * | 2009-06-26 | 2010-06-16 | 比亚迪股份有限公司 | 混合式气体发生器 |
JP2013043595A (ja) * | 2011-08-25 | 2013-03-04 | Takata Corp | インフレータ |
US8778103B2 (en) * | 2011-09-02 | 2014-07-15 | Alliant Techsystems Inc. | Energetic compositions including nitrate esters and articles including such energetic compositions |
DE102017100857A1 (de) | 2017-01-18 | 2018-07-19 | Trw Airbag Systems Gmbh | Hybridgasgenerator, Verfahren zum Betreiben eines Hybridgasgenerators, Gassackmodul und Fahrzeugsicherheitssystem |
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US5788275A (en) | 1994-03-18 | 1998-08-04 | Oea, Inc. | Hybrid inflator |
IL115567A0 (en) * | 1994-10-25 | 1996-01-19 | Oea Inc | Compact hybrid inflator |
US5941562A (en) * | 1996-04-15 | 1999-08-24 | Autoliv Asp | Adaptive output inflator having a selectable oxidant composition |
DE19725476A1 (de) * | 1997-06-17 | 1998-12-24 | Dynamit Nobel Ag | Gasgenerator |
US5979936A (en) * | 1997-12-23 | 1999-11-09 | Autoliv Asp, Inc. | Airbag inflator |
JP2963086B1 (ja) * | 1997-12-26 | 1999-10-12 | ダイセル化学工業株式会社 | エアバッグ用ガス発生器及びエアバッグ装置 |
JP2000177528A (ja) * | 1998-12-14 | 2000-06-27 | Daicel Chem Ind Ltd | 作動時の発光現象を抑えた複式インフレータ装置 |
TW504475B (en) * | 1999-06-18 | 2002-10-01 | Daicel Chem | A mixed inflater having multi-stage expansions |
TW495450B (en) * | 1999-12-07 | 2002-07-21 | Daicel Chem | Hybrid inflator |
-
2000
- 2000-10-19 JP JP2000319459A patent/JP2002120687A/ja active Pending
-
2001
- 2001-10-17 DE DE60117035T patent/DE60117035T2/de not_active Expired - Lifetime
- 2001-10-17 EP EP01976712A patent/EP1327565B1/en not_active Expired - Lifetime
- 2001-10-17 US US10/149,984 patent/US6799776B2/en not_active Expired - Lifetime
- 2001-10-17 WO PCT/JP2001/009110 patent/WO2002032728A1/ja active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US5529333A (en) * | 1994-12-05 | 1996-06-25 | Trw Vehicle Safety Systems Inc. | Apparatus for use in inflating an air bag and method of making the apparatus |
US5732972A (en) * | 1996-04-10 | 1998-03-31 | Morton International, Inc. | Cold deployment pyrotechnic inflator for air bag systems |
US6068292A (en) * | 1997-11-25 | 2000-05-30 | Oea, Inc. | Controlling gas flow in a hybrid inflator |
Also Published As
Publication number | Publication date |
---|---|
EP1327565A1 (en) | 2003-07-16 |
JP2002120687A (ja) | 2002-04-23 |
DE60117035D1 (de) | 2006-04-13 |
US6799776B2 (en) | 2004-10-05 |
EP1327565A4 (en) | 2005-02-16 |
DE60117035T2 (de) | 2006-07-13 |
US20020190510A1 (en) | 2002-12-19 |
EP1327565B1 (en) | 2006-02-01 |
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