CN1076809C - 气瓶用的开关/调压器装置 - Google Patents

气瓶用的开关/调压器装置 Download PDF

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CN1076809C
CN1076809C CN96110381A CN96110381A CN1076809C CN 1076809 C CN1076809 C CN 1076809C CN 96110381 A CN96110381 A CN 96110381A CN 96110381 A CN96110381 A CN 96110381A CN 1076809 C CN1076809 C CN 1076809C
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pressure
pedestal
valve
gas circuit
gas cylinder
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马尔科·阿塞东
布鲁诺·比科
吉勒·卡奈特
迪迪尔·拉尼耶
菲利普·皮索
斯特凡·图维埃尔
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LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/06—Closures, e.g. cap, breakable member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/10—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
    • G05D16/107—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger with a spring-loaded piston in combination with a spring-loaded slideable obturator that move together over range of motion during normal operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0123—Shape cylindrical with variable thickness or diameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0614—Single wall
    • F17C2203/0619—Single wall with two layers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F17C2203/066—Plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0308—Protective caps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0329—Valves manually actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0335—Check-valves or non-return valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0338—Pressure regulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0382—Constructional details of valves, regulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0134—Applications for fluid transport or storage placed above the ground
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/6851—With casing, support, protector or static constructional installations
    • Y10T137/7043—Guards and shields
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/6851—With casing, support, protector or static constructional installations
    • Y10T137/7043—Guards and shields
    • Y10T137/7062—Valve guards
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means
    • Y10T137/8326—Fluid pressure responsive indicator, recorder or alarm

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Closures For Containers (AREA)
  • Air Bags (AREA)

Abstract

可方便地装在形成气瓶搬运保护罩的流线型罩(C)中的开关/调压器装置，包括用来安装在气瓶上的一座体(1)，在座体(1)内限定一气体利用气路，该气路经由一杆(5)致动的切断阀和经一调压器(4，25)与出口(3)相通，在座体(1)内还限定一单独的与充装连接件(6)相通的充装气路。座体(1)上还装有高压和低压压力表(7，8)。特别适用于焊接用气体。

Description

气瓶用的开关/调压器装置
本发明涉及一种压力气瓶用的开关/调压器装置。
通常，压力气瓶安装有必须与在现场可用的调压器连接的开关，带来了连接/脱开操作中伴生的问题。因此，最近已提出组合式开关/调压器装置，尤其是在医疗领域，该装置可直接与至少一个低压用气路连通。文献EP-A-629，937对这种装置作了描述，该装置中的切断阀的动作是通过具有流量调节装置的部件和预置的调压器的动作实现的。
本发明的目的是提供一种结构紧凑可整体装在一个合适的罩中，安全可靠，可进行人机控制，适于多种应用的气瓶用的开关/调压器装置。
为了实现本发明的上述目的，本发明提供了一种压力气瓶用的开关调压器装置，包括一个座体，该座体有一安装座用于安装在一个气瓶的颈部上并与颈部同轴线，所述的座体支承着一切断阀、一调压器和一气体出口连接件，这些部件都包容在一个保护罩内，所述的保护罩安装在所述的气瓶上并与气瓶同轴线，所述的罩有一个封闭的上部。
从下面结合附图通过非限制性的举例说明的实施例的描述中，本发明的其它特征和优点会显露出来。其中：
图1是装在用幻线画的罩中的本发明的装置的透视图；
图2是图1罩中的装置的示意顶视图；
图3是沿图2的III-III剖面线剖切的安装在气瓶上的装置的部分剖视图；
图4是图2的装置的顶视图，作了局部纵向剖视；
图5是沿图2的V-V剖面线剖切的部分剖视详图；
图6是沿图2的VI-VI剖面线剖切的部分剖视侧视图；
图7是本发明的开关罩的另一个实施例的纵向半剖视图。
在这些附图中示出一个小型的开关/调压器装置。该装置主要包括一金属座体1。金属座体1具有一加工出的下端，形成一安装座2。如在下面会详细地看到的那样，在金属座体上安装一出口连接件3，一调压器壳4，一操纵杆5，一充装连接件6，一高压压力表7和一低压压力表8。
如在图3至6中可更清楚地看到的那样，例如在用黄铜制造的座体1的内部有一作为高压气路部分的应用气路。该高压气路部分包括：一伸入座2基本上与座2的轴线平行且通向一横向通道10的上游部分9，该横向通道10用于安装一高压压力表7且与一横向通道11连通，该横向通道11通向一容纳切断阀13并形成切断阀13的阀座14的阶梯孔12；该阶梯孔12的阀座14的气路部分的下游经一横向通道15与一阶梯圆筒形室16连通，阶梯圆筒形室16经一大直径孔通向座体1的外部，在该大直径孔内装有调压器壳4的圆环端。应指出的是，由于高压压力表7与气瓶B内的的储存空间永久连通，所以可将它作为该气瓶的充装压力表。在室16的小直径部分内安装的是一个独立的部件，该部件包括一个容纳一控制阀18并形成控制18的阀座19的管状壳体17。阀18包括一个伸到阀座19后面的前杆部分20，该前杆部分20能与在座体1和壳4内滑动的调压器活塞21的前端面协同动作，通过一个向后支承在一弹簧座23上的弹簧22将活塞21压向壳体17，利用装在壳4内的通过一调节手轮或钮25可手动致动的螺杆24移动弹簧座23，便可调节弹簧的力。阀18和调压器活塞21的轴线基本上与安装座2的轴线垂直。活塞21前面的低压室26位于调压器的钮25的反向侧，该低压室26经伸入座体1与阀18和活塞21的轴线平行靠近活塞21上端的出口通道27及经与出口通道27垂直并与通道11基本垂直的横向通道80通向座体1的外部，在该出口通道27中装有出口连接件3，在该横向通道80中装有低压压力表8，因此，低压压力表8和高压压力表7垂直对中。
如在图3中所看到的那样，座体1还限定一完全独立于上述输送气路的气瓶充装气路，该气瓶充装气路具有一伸入座2与座2的轴线平行并与一上游横向通道29连通的下游部分28，该上游横向通道29在压力表7和8的反向侧并基本上与高压压力表对中，其内装有充装连接件6。连接件6具有一加工成壳形的内部通道，在通道下游部分内装一过滤器30，在通道中间部分内装一个由一弹簧推动的单向阀31，通道的端部有一个用于安装一充装管路的端部例如阳螺纹端的进口32，该阳螺纹端将阀31向后推，以打开进入口，使高压充装流体经通道28流入气瓶内。
如在图5中所看到的那样，一弹簧支承在堵塞孔12的一螺塞33上，该弹簧将切断阀13推向其阀座14。在切断阀13的前端具有一个伸到阀座14后面的柱，在压力的作用下，该柱与一杆34协同动作。杆34穿过一密封件，其外端露到座体1的外面，以便与杆5的铰接头的凸轮表面35协同动作。杆5绕在座体1上端上的凸出部37中的一横销36摆动，基本上位于压力表7、8和出口连接件3之间。杆5的头至少包括两个与安装在座体1上的片簧39协同动作的凹坑38A，38B，使杆5处于一个或另一个极端位置，即打开或关闭位置从而使杆5不受振动的影响。有益的是在凸轮表面35和杆34的帽之间的界面上放置一层低摩擦系数或事实上是自润滑的材料，例如至少在安装片簧39时在凸表面和该帽之间放置一聚酰亚胺紧固带。
如在这些附图中所示的那样，本发明的装置还有益地包括一左压2的通道9的上游端内的压力单向阀40，在调压器活塞21内的泄压阀41和在出口通道27内的单向阀42及分别在通道11的上游和壳体17端部的过滤器。
如在这些附图中可清楚地看到的那样，该开关/调压器装置外形紧凑，常用件遍布座体1的各表面，这可将该装置并入一个形成保护罩C的罩中。图1和2示出了一个具体实施例的保护罩C的形状。在该实施例中，罩/保护罩C主要包括装在围着座2的气瓶B的颈上的底部C1，底部C1通常由垂直的系杆固定在顶部C2上，顶部C2为壳形基本上容纳了全部的开关/调压器装置，顶部C2包括构成一把手P的横向部分和圆头形的顶头T，以便搬运气瓶，特别是使气瓶在地面上滚动。顶部C2的侧壁具有如在图2中示意地表示出的多个开口或开槽D1-D4，以便接触到连接件3和6，钮25及压力表7和8。如在图1中可看到的那样，部分C1和C2还具有一纵向槽F，它允许杆5在其打开位置和关闭位置之间自由摆动，杆5通常在罩C中处于关闭位置。在槽F的底部附近安装一个例如撕裂型的不易被破坏的安全装置也许是有益的，以保证装备了本发明的开关/调压器装置的装满的气瓶在第一次使用前不使杆5动作。至少罩C的顶部C2可用工程塑料制造，至少底部C1可用轻金属合金或可锻铸铁制造。在另一个实施例中，如在图7中示意地示出的那样，罩/保护罩包括一开孔的一般用可锻铸铁制造的钟形套筒C1′，将其固定在气瓶颈上，围着开关的基座并向上延伸，以容纳带有压力表的开关/调压器装置。罩/保护罩还包括外罩C2′和顶罩C2″，它们都是用塑料制造的并固定在壳体C1′上。
尽管结合特定的实施例对本发明作了描述但本发明不限于这些实施例，相反，可以作出对所属领域的技术人员是明显的多种改变。

Claims (18)

1.一种压力气瓶用的开关调压器装置，包括一个座体(1)，该座体(1)有一安装座(2)用于安装在一个气瓶(B)的颈部上并与颈部同轴线，所述的座体(1)支承着一切断阀(13)、一调压器和一气体出口连接件(6)，这些部件都包容在一个保护罩(C)内，所述的保护罩安装在所述的气瓶(B)上并与气瓶(B)同轴线，所述的罩(C)有一个封闭的上部。
2.按照权利要求1所述的装置，其特征在于所述的保护罩(C)有一个用来搬运所述的气瓶的顶头(T)。
3.按照权利要求1所述的装置，其特征在于所述的保护罩(C)有一个用来提起所述的气瓶的把手(P)。
4.按照权利要求1所述的装置，其特征在于所述的保护罩(C)有侧开口(D1-D4)，可接触所述的切断阀、所述的调压器及所述的出口连接件。
5.按照权利要求1所述的装置，其特征在于所述的保护罩(C)至少有一部分是用塑料制造的。
6.按照权利要求1的装置，其特征在于在具有用来安装在气瓶(B)上的座(2)的一座体(1)内至少形成第一气路的高压部分和低压部分，第一气路顺次包括一高压气路部分(9-12)，一切断阀(13)，一调压器(21，18)和一低压气路部分(26，27)，该装置还包括一个手动操作致动切断阀(13)的装置(5)，装置(5)与调压器(21，18)无关，安装在座体(1)上，能在打开位置和关闭位置之间动作。
7.按照权利要求6的装置，其特征在于还包括在座体(1)内形成的与第一气路分开的第二气路(28，29)，以便将该装置安装到这个气瓶上时，充装该气瓶(B)。
8.按照权利要求6或7的装置，其特征在于还包括手动调节调压器(21，18)的装置(23-25)。
9.按照权利要求8的装置，其特征在于所述的调压器(21，18)的轴线与座体(1)的座(2)的轴线基本垂直。
10.按照权利要求9的装置，其特征在于所述的低压气路部分(27)在与座(2)相反侧上的座体(1)的端部通向外部(3)。
11.按照权利要求10的装置，其特征在于所述的低压气路部分(27)在与调节调压器的装置(25)相反侧的座体一侧通向外部。
12.按照权利要求2的装置，其特征在于所述的装置包括两个出口(10，80)，它们在座体的同一侧基本对中，并且分别与分别安装高压压力指示器和低压压力指示器(7，8)的高压气路部分和低压气路部分连通。
13.按照权利要求12的装置，其特征在于所述的第二气路在与所说的出口(10，80)的相反侧通向外部(29)。
14.按照权利要求6的装置，其特征在于所述的致动切断阀(13)的装置包括一个被安装得可在座体(1)上摆动并能够与切断阀配合的杆(5)。
15.按照权利要求14的装置，其特征在于所述杆(5)包括与杆(34)协同动作的凸轮表面(35)，杆(34)与切断阀(13)进行机械配合。
16.按照权利要求6的装置，其特征在于所述的高压气路部分和低压气路的至少一个具有单向阀(40，42)。
17.按照权利要求2的装置，其特征在于所述的第二气路(28，29)包括一单向阀(31)。
18.按照权利要求6的装置，其特征在于所述的调压器是具有一滑动活塞(21)的这类调压器，该调压器包括装在活塞中的一泄压阀(41)。
CN96110381A 1995-06-08 1996-06-07 气瓶用的开关/调压器装置 Expired - Lifetime CN1076809C (zh)

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CA2178573C (fr) 2008-01-29
PT747796E (pt) 2002-02-28
DK0747796T3 (da) 2001-12-31
DE69615927T2 (de) 2002-04-25
DE69635248T2 (de) 2006-07-06
FR2735209B1 (fr) 1997-07-25
EP0747796A1 (fr) 1996-12-11
CN1145465A (zh) 1997-03-19
DK0747796T4 (da) 2008-03-17
DE69615927T3 (de) 2008-06-26
DK1026438T3 (da) 2006-02-13
EP1026438B1 (fr) 2005-10-05
ES2250083T3 (es) 2006-04-16
US5975121A (en) 1999-11-02
ES2164221T3 (es) 2002-02-16
DE69615927D1 (de) 2001-11-22
CA2178573A1 (fr) 1996-12-09
JP4112826B2 (ja) 2008-07-02
EP0747796B2 (fr) 2007-11-21
ES2164221T5 (es) 2008-05-01
JP2002106795A (ja) 2002-04-10
JP3251853B2 (ja) 2002-01-28
DE69635248D1 (de) 2005-11-10
JPH09100998A (ja) 1997-04-15
EP0747796B1 (fr) 2001-10-17
FR2735209A1 (fr) 1996-12-13
EP1026438A1 (fr) 2000-08-09

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