WO2005044386A1 - Grenade extinctrice - Google Patents

Grenade extinctrice Download PDF

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Publication number
WO2005044386A1
WO2005044386A1 PCT/CN2004/001132 CN2004001132W WO2005044386A1 WO 2005044386 A1 WO2005044386 A1 WO 2005044386A1 CN 2004001132 W CN2004001132 W CN 2004001132W WO 2005044386 A1 WO2005044386 A1 WO 2005044386A1
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WO
WIPO (PCT)
Prior art keywords
nozzle
hole
fire
sphere
piston
Prior art date
Application number
PCT/CN2004/001132
Other languages
English (en)
French (fr)
Inventor
Wen-Tuno Tsao
Original Assignee
Lu, Hsueh-An
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lu, Hsueh-An filed Critical Lu, Hsueh-An
Publication of WO2005044386A1 publication Critical patent/WO2005044386A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C19/00—Hand fire-extinguishers in which the extinguishing substance is expelled by an explosion; Exploding containers thrown into the fire
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • A62C3/0228—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires with delivery of fire extinguishing material by air or aircraft
    • A62C3/025—Fire extinguishing bombs; Projectiles and launchers therefor

Definitions

  • the invention relates to a grenade type fire extinguisher, in particular to a fire extinguisher which can be quickly thrown into a fire field by throwing it into the fire field by hand throwing at a fire site that is difficult to handle smoothly.
  • spark fire can be ignited
  • the fire can be extinguished or controlled during the spark stage, and the prime time of disaster relief can be completely and completely controlled, I believe that many community fires will not occur or production and property losses can be avoided.
  • the popular cylinder fire extinguishers currently on the market the general public has lost the best time to extinguish sparks because they are unfamiliar with how to use them.
  • the fire extinguisher specially developed and designed based on this situation can automatically perform the fire extinguishing function as long as the projectile is thrown into the fire source when the fire occurs, and the invention adopts a throwing method, and people do not need to be too close to the fire source. Therefore, no matter how old or young women are, you can use it. Without obstacles to use, you can play the ideal situation that everyone is a firefighter, and the spark can no longer be the same.
  • the object of the present invention is to provide a grenade type fire extinguisher, which directly throws the present invention into a fire source in a disaster area by hand throwing, and then operates the grenade type fire extinguisher to obtain an advantageous position closest to the fire source, which will suppress the combustion. Chemical substances are sprayed directly around the fire source to extinguish the fire source and achieve the positive purpose of fire fighting.
  • a secondary object of the present invention is to provide a fire rescue worker who does not have to enter a fire place with a big fire, and reduces the occurrence of many unnecessary dangers, so as to protect the life safety of the rescue worker, and improve the accuracy and efficiency of the rescue.
  • Grenade fire extinguisher is to provide a fire rescue worker who does not have to enter a fire place with a big fire, and reduces the occurrence of many unnecessary dangers, so as to protect the life safety of the rescue worker, and improve the accuracy and efficiency of the rescue.
  • the grenade fire extinguisher of the present invention is thrown into the fire field by hand, and mainly has two key designs: (1) a base designed using the tumbler principle, so that when the fire extinguisher is thrown into the fire field, it will Stand on your own, and then use the nozzle to effectively exert the function of spraying angle; (2) The design of the multi-angle temperature-sensitive nozzle, when this grenade fire extinguisher burns at high temperature in the fire field, the soldering point It is consolidated by welding. Under the condition of high temperature burning in the fire place, the soldering point will melt rapidly.
  • the nozzle is pushed upward by the high pressure of internal C0 2 and the piston will be simultaneously held by the nozzle. In a few seconds after high-temperature combustion, it will automatically bounce off. At this time, the nozzle will automatically float on the ball, and then the factor of the nozzle angle design will be used to generate the nozzle that can automatically rotate and spray medicine to achieve the fire extinguishing function around.
  • the grenade fire extinguisher provided by the present invention has the following advantages:
  • the present invention provides a grenade fire extinguisher in the form of a hand-throw method.
  • the invention is thrown into the fire field, directly aimed at the fire source center in the disaster area, and using the characteristics of the tumbler principle of the base. After the fire, he will stand on his own, and can automatically use the fire extinguishing source to achieve a more active purpose of fire fighting.
  • the present invention provides a grenade fire extinguisher that utilizes the multi-angle design factor of the nozzle opening when it is subjected to the inside. Effect of high pressure 02, the nozzle will produce rotation characteristic, and the spraying of pesticides can be automatically rotated to fire up to four weeks spill ring effect.
  • the present invention uses hand-throwing to extinguish fires, which can prevent firefighters from entering the disaster area with a big fire, and reduce the occurrence of many unnecessary dangers.
  • the invention has the advantages of greatly improving the accuracy and efficiency of disaster relief.
  • Fig. 1 is an exploded sectional view of a grenade fire extinguisher according to the present invention
  • -Fig. 2 is a sectional combined view of the grenade fire extinguisher
  • 3A is a schematic diagram of an implementation of the grenade fire extinguisher
  • FIG. 3B is another implementation diagram of the grenade fire extinguisher
  • FIG. 4 is a schematic diagram of another implementation of the grenade fire extinguisher.
  • 1 is a sphere
  • 10 is a flap
  • 101 is a solder joint
  • 11 is an upper sphere
  • 12 is a lower sphere
  • 13 is an upper hole.
  • 14 is a counterweight, 15 is a lower hole, 16 is a return valve, 17 is a medicine; 2 is a fixed base, 21 is a hole on the base, 22 is a hole on the base, 23 is a recessed hole, and 24 is an air inlet.
  • 3 is a piston, 31 is a cylinder, 32 is a conical cylinder, 33 is an air intake hole; 4 is an inner duct, 41 is an output hole, 42 is a retaining portion;
  • the grenade fire extinguisher mainly includes: a sphere 1, which is composed of an upper sphere 1 and a lower sphere 12, and a lower sphere 12. It is hollow, and an upper hole 13 is opened at the top end, and a balance weight 14 is combined at the bottom end.
  • the middle of the balance weight 14 is provided with a lower hole 15 with a wide upper width and a narrow narrow hole.
  • the hole 15 is combined with a check valve 16; the counterweight 14 is designed for the tumbler principle, so the sphere 1 will stand on its own after throwing it into the fire; the sphere 1 is the place for the fire extinguishing agent;
  • a fixed base 2 having a hollow cylindrical shape, and provided with a hole 21 on the base, a hole 22 on the base, and a recess on the top surface of the hole 2]
  • a recessed hole 23 is provided, and at least one air inlet hole 24 is provided around the periphery of the fixed base 2; the fixed base 2 is combined with the lower hole 15 at the upper end of the balance weight 14 and sleeved on the check valve 16 On
  • a piston 3 is a hollow cylinder penetrating through it, and a cylinder 31 extends inwardly on both sides of the bottom end thereof, and a conical cylinder 32 is connected between the two cylinders 31, so that the bottom of the piston 3 Two air inlets
  • the conical cylinder 32 of the piston 3 is sleeved in the concave hole 23 at the upper end of the fixed base 2;
  • An inner tube 4 the inner tube 4 is a hollow cylinder penetrating, at least one output hole 41 is provided at an appropriate position on the upper end, and a ring-shaped retaining portion 42 is ring-shaped at the bottom end;
  • the retaining portion 42 of 4 is sleeved in the hollow of the top end of the piston 3;
  • a fixed sleeve '5 the fixed sleeve 5 is a hollow cylinder penetrating therethrough, which are formed with upper, middle and lower parts respectively.
  • the middle aperture 52 has the function of fixing the inner catheter 4; the lower aperture 53 is used by the piston 3 to move up and down in it;
  • the lower bearing 6 is sleeved on the upper end of the inner pipe 4, and is accommodated in the upper aperture 51 of the fixed pipe 5.
  • a nozzle 7 is provided at the bottom end of the nozzle 7 with a narrow and wide nozzle recess 71, and a shaft hole 72 penetrates the middle of the top surface of the nozzle recess 71, and a shaft hole is recessed at the top of the shaft hole 72.
  • the recessed hole 73 In addition, a first nozzle opening 74 is provided at an appropriate position on the side of the shaft hole 72, and second and third nozzle openings 75 and 76 are provided around the periphery of the nozzle 7 at an appropriate distance.
  • the third nozzle openings 74, 75, and 76 each have an oblique angle; the nozzle 7 is set on the lower bearing 7.
  • An upper bearing 8, the upper bearing 8 is disposed in a shaft hole recessed hole 73 recessed at the top of the nozzle 7, and is fixed by a bolt 9 at the top of the inner pipe 4;
  • a flap 10 is a hollow hemisphere; the flap 10 covers the upper sphere 11 of the sphere 1 and is in close contact with the sphere 1; the combination of the flap 10 and the sphere 1 is The joint of the flap 10 and the sphere 1 is spot-cornered at the opposite corners of the two solder joints 101 (see FIG. 2 and FIG. 3A).
  • FIG. 3A, FIG. 3B and FIG. 4 are schematic diagrams of the implementation of the grenade fire extinguisher.
  • C0 2 is driven into the sphere 1 from the check width 16 at the bottom of the sphere, and the medicine 17 deposited in the sphere 1 is exposed. Under the influence of C0 2 high pressure, continuously perform cyclical movements in the sphere 1. At this time, throw this grenade fire extinguisher into the fire field by hand throwing it, and make it correctly fall to the center of the fire source in the disaster area, and use the balance hammer 14 has the characteristics of the tumbler principle. When the fire extinguisher is thrown into the fire field, it will stand on its own.
  • the nozzle 7 Will automatically float on the outside of the sphere 1, and because it is supported by the retaining portion 42 of the inner tube 4 against the lower hole 53 of the fixed sleeve 5, only the nozzle 7 is exposed from the sphere 1, and then the first second, the third nozzle orifices 74, 75, 76 designed with a miter, when the first, second, third nozzle orifices 74, 75, 76 by internal high pressure C0 2 under pushed, will cause the first, Second, the third nozzle openings 74, 75, and 76 have an automatic rotation characteristic.
  • the medicament 17 in the sphere 1 is also pushed by the high pressure of the internal C0 2 from the first, second, and third nozzle openings 74, 75.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Medicinal Preparation (AREA)

Description

手榴弹式灭火器 技术领域
本发明涉及一种手榴弹式灭火器， 特别是指一种针对难以顺利处理的火灾现场， 以手掷的方式抛进火场中， 即可快速达到灭火的手榴弹.的灭火器。 背景技术
人们在现今有限的土地资源上， 一直都有群居的习性， 且全球目前也超出 60%以 上的人口集中于各都会区里， 为顾及生活上联络、 采购等多项的便利性， 所以人类自 古以来即以群居的生活形态度过。
不过 "天有不测风云"， 生活中总是会有意外发生， 尽管今日科技的发达亦无法 避免。 而各种意外灾害经统计后得知， 又以火灾最常发生， 同样也是危及生命、 财产 损失最严重的， 且在世界各国皆有此认知， 无不设立消防装备及人员， 以避免社会造 成更多的生活财产损失。 由于人们群居的生活习性， 时常造成环境中狭道窄巷受到阻 碍， 同时在消防人员闻讯赶至现场前， 需先行准备消防装备与交通的时间， 这些都是 延迟黄金救灾时间的要素， 也是造成社区大火的主因。
众所周知 "星火可以燎原"， 故若能在星火阶段能即予扑灭或控制火势， 彻底完 全掌握住救灾的黄金时段，相信许多社区大火就不至于发生或是可避免生产及财产的 损失了， 所以寻求治本之道， 应该是人人皆为消防员， 才能预防万一。 但以目前市面 上盛行的钢瓶灭火器， 一般民众因不熟悉使用方式， 而丧失了扑灭星火的最佳黄金时 段。
由此可见， 上述习用物品仍有诸多缺失， 不是一良善设计， 而亟待加以改良。 本案发明人鉴于上述习用灭火器所衍生的各项缺点， 乃亟思加以改良创新， 并经 多年苦心孤诣潜心研究后， 终于成功研发完成本件手榴弹式灭火器。
本发明基于此状特别研发设计的发明灭火器， 只要当火灾发生时， 将投掷弹丢进 火源中， 便可自动发挥灭火功能， 且本发明采用丢掷方式， 人们不需要太靠近火源， 所以不论老幼妇孺都会使用， 在无使用操作的障碍情况下， 便可发挥人人皆是消防员 的理想状况， 而星火便无法再燎原了。 发明内容
确 认本 本发明的目的在于提供一种手榴弹式灭火器， 其以手掷方式， 直接将本发明投掷 灾区火源中， 再经由本件手榴弹式灭火器的操作， 以最接近火源的有利位置， 将抑制 燃烧的化学物质直接向火源周围喷洒， 以扑灭火源， 达到消防的积极目的。
本发明的次一目的在于提供一种可让消防救灾人员不必冒着大火进入火场救灾， 减少了许多不必要危险的机率发生， 以可保障救灾人员的生命安全， 亦可提高救灾的 准确与效率的手榴弹式灭火器。
为实现上述发明目的， 本发明手榴弹式灭火器， 以手掷方式抛进火场中， 主要具 有两项重点设计： （一） 采用不倒翁原理设计的基座， 如此当灭火器抛进火场后， 其 便会自行站立， 再透过喷嘴才能有效发挥喷洒角度的功能； （二） 由多角度的感温喷 嘴的设计， 当本件手榴弹式灭火器于火场高温下燃烧， 由于结合其上的活盖是以焊锡 点焊方式固结， 在火场高温燃烧情况下， 焊锡点将会快速融化， 该喷嘴因受到内部 C02高压推挤， 会将活塞往上推挤， 该活盖即会同步受到喷嘴的顶持下， 在高温燃烧 后几秒钟内自动弹跳开，此时，喷嘴便自动浮上球体外，再利用喷口角度设计的因素， 而产生能使喷嘴自动旋转及喷洒药剂， 以达环绕四周灭火功能。
本发明所提供的手榴弹式灭火器，与其它现有技术相互比较时，更具有如下优点：
1 . 本发明提供一种以手掷方式的手榴弹式灭火器， 将本发明抛进火场中， 直接 将其瞄准落至灾区火源中心， 并利用该基座具有不倒翁原理的特性， 当灭火器抛进火 场后， 其便会自行站立， 便可自动发挥扑灭火源， 以达消防更积极的目的。
2. 本发明提供一种利用喷嘴口多角度设计因素的手榴弹式灭火器， 当其受到内 部 。02的高压影响下， 将使该喷嘴产生旋转的特性， 可以自动旋转及喷洒药剂， 以 便可达到环洒四周灭火的功效。
3 . 本发明利用手掷的方式灭火， 可避免消防人员冒着大火进入灾区救灾， 减少 许多不必要危险的机率发生。
4. 本发明除具有高实用性外， 还具有可大幅提高救灾的准确与效率等优点。 附图说明
请参阅以下有关本发明一较佳实施例的详细说明及其附图，进一步了解本发明的 技术内容及其目的功效； 有关该实施例的附图为：
图 1为本发明手榴弹式灭火器的剖面分解视图； - 图 2为该手榴弹式灭火器的剖面结合视图： 以及 图 3A为该手榴弹式灭火器的一个实施示意图；
图 3B为该手榴弹式灭火器的又一个实施示意图；
图 4为该手榴弹式灭火器的次一个实施示意图。
主要部分代表符号如下：
1 为球体， 10为活盖， 101为焊点， 11为上球体， 12为下球体， 13为上孔洞，
14为平衡锤， 15为下孔洞， 16为止回阀， 1 7为药剂； 2为固定基座， 21为基座上孔 洞， 22为基座下孔洞， 23为凹孔， 24为进气孔； 3为活塞， 31为柱体， 32为圆锥柱 体， 33为进气孔； 4为内导管， 41为输出孔， 42为挡持部； 5为固定套管， 51为上 孔径， 52为中孔径， 53为下孔径； 6为下轴承： 7为喷嘴， 71为喷嘴凹孔， 72为轴 孔， 73为轴孔凹孔， 74.为第一喷嘴口， 75为第二喷嘴口， 76为第三喷嘴口； 8为上 轴承； 9为螺栓。 具体实施方式
请参阅图 1及图 2所示， 本发明所提供的手榴弹式灭火器， 主要包括有： 一球体 1， 该球体是由一上小下大的上球体 1 1、 下球体 12组成， 其内呈一中空 状， 并于其顶端开设有一上孔洞 13， 而于其底端则结合有一平衡锤 14， 该平衡锤 14 中间处设置有一上宽下窄的下孔洞 15 , 并于下窄处的下孔洞 15结合有一止回阀 16; 该平衡锤 14为不倒翁原理设计， 因而该球体 1抛进火场后， 其便会自行站立； 该球 体 1 内为灭火药剂的容置处；
一固定基座 2， 该固定基座 2呈一中空圆柱状， 于其上、 下端皆幵设有一基座上 孔洞 21、 基座下孔洞 22， 并于基座上孔洞 2] 的顶面凹设有一凹孔 23， 且在固定基 座 2周缘至少环设有一个以上的进气孔 24; 该固定基座 2结合于平衡锤 14上端的下 孔洞 15内， 并套设于止回阀 16上；
一活塞 3， 该活塞 3为一贯穿的中空圆柱， 并于其底端两侧分别向内延伸有一柱 体 31， 并于两柱体 31间相连结有一圆锥柱体 32， 致使活塞 3的底端形成有两进气孔
33； 该活塞 3的圆锥柱体 32套设于固定基座 2上端的凹孔 23内；
一内导管 4 , 该内导管 4为一贯穿的中空圆柱， 其上端适当位置处至少设置有一 个以上的输出孔 41， 于底端则环设有一环状的挡持部 42 ; 将该内导管 4的挡持部 42 套入于活塞 3顶端中空处内；
一固定套管' 5， 该固定套管 5为一贯穿的中空圆柱， 其内分别形成有上、 中、.下 三种大小不同的孔径 51、 52、 53； 该固定套管 5的底,端结合于固定基座 2的凹孔 23 内； 该上孔径 51是喷嘴 7与下轴承 6的容置处； 该中孔径 52具有固定内导管 4的作 用； 该下孔径 53为活塞 3于其内作上下移动之用；
一下轴承 6， 该下轴承 6套设于内导管 4上端， 并容置于固定导管 5的上孔径 51 内；
一喷嘴 7 , 该喷嘴 7的底端凹设有上窄下宽的喷嘴凹孔 71 , 该喷嘴凹孔 71顶面 中间处贯穿一轴孔 72， 并于轴孔 72的顶端凹设有一轴孔凹孔 73 , 另， 该轴孔 72侧 边适当位置处开设有一第一喷嘴口 74， 并于喷嘴 7周缘适当距离环设有第二及第三 喷嘴口 75、 76； 该第一、 第二、 第三喷嘴口 74、 75、 76均具有一斜向切角； 该喷嘴 7套设于下轴承 7上；
一上轴承 8， 该上轴承 8设置于喷嘴 7顶端凹设的轴孔凹孔 73内， 并由一螺栓 9 将其固结内导管 4的顶端；
一活盖 10， 该活盖 10为一中空的半球体； 该活盖 10罩合于球体 1的上球体 11， 并与球体 1相密合；该活盖 10与球体 1的结合方式是于活盖 10与球体 1的接合处以 悍锡点焊方式点悍两个焊点 101对角处 （如图 2及图 3A所示）。
请参阅图 3A、 3B及图 4所示， 为该手榴弹式灭火器的实施示意图， 先将 C02由 球体〗底端的止回阔 16打入球体 1 内， 使沉淀于球体 1 内的药剂 17受到 C02高压 的影响下， 不断于球体 1内做循环动作， 此时， 再将本件手榴弹式灭火器以手掷方式 抛进火场中， 并使其正确落至灾区的火源中心， 利用该平衡锤 14具有不倒翁原理的 特性， 当灭火器抛进火场后， 其便会自行站立， 而该手榴弹式灭火器于火场高温下燃 烧时， 由于其上的活盖 10是以焊锡点焊方式固结的， 在火场高温的燃烧下， 两焊点 101将会快速融化， 以及该活塞 3因受到内部。02的高压推挤会将内导管 4、 固定套 管 5及喷嘴 7往上推挤， 致使活盖 10受到喷嘴 7的顶持， 在几秒钟内自动弹跳开， 此时， 该喷嘴 7将会自动浮上球体 1外， 且因受到内导管 4的挡持部 42顶持于固定 套管 5的下孔径 53夕卜， 仅使喷嘴 7突露出球体 1夕卜， 再利用第一、 第二、 第三喷嘴 口 74、 75、 76具有斜角度的设计， 当第一、 第二、 第三喷嘴口 74、 75、 76受到内部 C02的高压推挤之下， 将使得第一、 第二、 第三喷嘴口 74、 75、 76产生自动旋转的 特性， 球体 1 内的药剂 17同样会受到内部 C02的高压推挤之下自'第一、 第二、 第三 喷嘴口 74、 75、 76喷洒出， 由于该喷嘴 7具有自动旋转及喷洒药剂的功能， 从而达 到可环洒四周灭火的功效。 上列详细说明是针对本发明的一可行实施例的具体说明， 该实施例并非用以限制 本发明的专利范围， 凡未脱离本发明技艺精神所为的等效实施或变更， 均应包含于本 案的专利范围中。

Claims

权 利 要 求 书
1 . 一种手榴弹式灭火器， 其特征在于： 以手掷的方式抛进火场中， 主要包括有： 一球体， 该球体内呈一中空状， 并于其顶端开设有一上孔洞， 而于其底端则结合 有一平衡锤， 该平衡锤中间处设置有一上宽下窄的下孔洞， 并于下窄处的下孔洞结合 有一止回阀；
一固定基座， 该固定基座的上、 下端均开设有一孔洞， 并于其周缘至少环设有一 个以上的进气孔；该固定基座套设于平衡锤上端的下孔洞内，并套设于充气止回阀上； 一活塞， 该活塞底'端两侧分别向内延伸有一柱体， 并于两柱体间相连结有一圆锥 柱体， 致使活塞的底端形成有两进气孔； 该活塞的圆锥柱体套设于固定基座上端的凹 孔内；
一内导管， 该内导管为一贯穿的中空圆柱， 于上端适当位置处至少设置有一个以 :的输出孔， 而于下端则环设有一环状的挡持部； 该内导管的挡持部套设结合于活塞 顶端的中空处；
一固定套管， 该固定套管为一贯穿的中空圆柱， 其内分别形成有上、 中、 下三种 大小不同孔径； 该固定套管的底端同样结合于活塞顶端的凹孔内； . 一下轴承， 该下轴承套设于内导管的上端；
一喷嘴， 该喷嘴的底端凹设有上窄下宽的喷嘴凹孔， 该喷嘴凹孔顶面中间处贯穿 一轴孔， 并于轴孔的顶端凹设有一轴孔凹孔， 另， 该轴孔侧边适当位置处开设有一第 一喷嘴口， 并于喷嘴的周缘适当距离环设有第二及第三喷嘴口； 该喷嘴套设于卞轴承 上；
一上轴承， 该上轴承设置于喷嘴顶端凹设的轴孔凹孔内， 并由一螺栓将其固结内 导管顶端上；
一活盖， 该活盖为一中空的半球体； 该活盖罩合于球体的上球体， 并与球体相密 合。
2. 按权利要求 1 所述手榴弹式灭火器， 其特征在于： 其中该球体内的中空处为 灭火药剂的容置处。
3 . 按权利要求 1 所述手榴弹式灭火器， 其特征在于： 其中该第一、 第二、 第三 喷嘴口均具有一斜向切角。
4. 按权利要求 1 所述手榴弹式灭火器， 其特征在于： 其中该活盖与球体的结合 方式， 是在活盖与球体底座的接合处以焊锡点焊方式点焊于两个点对角处。
5. 按权利要求 1 所述手榴弹式灭火器， 其特征在于： 其中该固定套管的上孔径 为喷嘴与下轴承的容置处。
PCT/CN2004/001132 2003-11-05 2004-10-08 Grenade extinctrice WO2005044386A1 (fr)

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