GB2424692A - Manual or water activated, gas supply actuator - Google Patents

Manual or water activated, gas supply actuator Download PDF

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Publication number
GB2424692A
GB2424692A GB0506543A GB0506543A GB2424692A GB 2424692 A GB2424692 A GB 2424692A GB 0506543 A GB0506543 A GB 0506543A GB 0506543 A GB0506543 A GB 0506543A GB 2424692 A GB2424692 A GB 2424692A
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GB
United Kingdom
Prior art keywords
housing
compressed gas
gas cylinder
push rod
push
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
GB0506543A
Other versions
GB2424692B (en
GB0506543D0 (en
Inventor
Huang Sheng Yu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
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Filing date
Publication date
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Priority to GB0506543A priority Critical patent/GB2424692B/en
Publication of GB0506543D0 publication Critical patent/GB0506543D0/en
Publication of GB2424692A publication Critical patent/GB2424692A/en
Application granted granted Critical
Publication of GB2424692B publication Critical patent/GB2424692B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F17C7/02—Discharging liquefied gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/001—Actuating devices; Operating means; Releasing devices actuated by volume variations caused by an element soluble in a fluid or swelling in contact with a fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/56—Mechanical actuating means without stable intermediate position, e.g. with snap action
    • 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
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F17C7/02—Discharging liquefied gases
    • F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/031—Air
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/036—Very high pressure (>80 bar)
    • 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
    • F17C2270/02—Applications for medical applications
    • F17C2270/025—Breathing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Lowering Means (AREA)

Abstract

A gas supply actuator has a pull strip 22 looped around an initiating actuation component 21, which is part of a broader automated actuator mechanism, the strip 22 actuatable by hand, by pulling the strip 22, or equally by contact with water, to degrade the mechanical integrity of the strip 22. The actuation component 21, may actuate gas dispensing by opening out concentrically into three split portions, against the force of a spring loaded push rod 31, once the strip 22 is removed or degraded.

Description

GAS SUPPLY ACTUATOR FOR COMPRESSED GAS CYLINDER
The present invention relates to a gas supply actuator for a compressed gas cylinder, and more particularly, though not exclusively, to an actuator that allows a user to quickly open a compressed gas cylinder depending on actual need, so that compressed gas in the cylinder may be automatically supplied to inflate a device.
Inflatable devices, such as life-saving appliances, including a life jacket, life ring, etc., inflatable mattress, and lifesaving devices on an airplane, are often needed in daily life, traffic means, leisure activities, andadventures. Sorneoftheseinflatable devices are manually and laboriously inflated, while the others are inflated with an air pump in a time-consuming manner. That is, these inflatable devices can not be quickly and automatically inflated for use in an emergency, particularly in saving drowning people. There is a pressurized cylinder available in the market for connecting to a life-saving appliance or other devices that are to be inflated.
When the pressurized cylinder is opened, compressed jsordthereincou1dbequicklySuppliedtOiflflate the1ifesavingapplianceOrOtherinf1atabledevice5. :1-
The pressurized cylinder may also be used to store compressed gas, so that a jet pressure of the gas may
be applied to different fields, including lifeline
mortar, parachute mortar, etc. It is desirable to develop a way for a user to timely open a pressurized air or gas cylinder to meet actual need. More specifically, it is desirable to develop a way for a pressurized air or gas cylinder to automatically supply air or gas stored therein to inflate a life-saving appliance when a user fails to manually or timely open the pressurized cylinder.
An object of the present invention is to provide a gas supply actuator fora compressedgas cylinder that is connected to a sealed mouth of a compressed gas cylinder and can be easily operated by a user to quickly pierce through the sealed mouth of the cylinder, so that the compressed gas stored in the cylinder is automatically supplied to inflate an inflatable device.
Another object of the present invention is to provide a gas supply actuator for a compressed gas cylinder that is connected to a sealed mouth of a compressed gas cylinder and can be automatically actuated with water to quickly pierce through the sealed mouth of the cylinder, so that the compressed gas stored in the cylinder is automatically supplied to inflate an
inflatable device.
To achieve the above and other objects, the gas supply actuator for a compressed gas cylinder according to the present invention includes a housing connected to a sealed mouth of a compressed gas cylinder, and a safety switch, a pushing unit, and a piercing unit mounted in the housing. The housing may be provided at predetermined positions with a plurality of water inlets.
The safety switch includes a plurality of sectorial segments, which are bound together by a binding ring to form a round hollow ring member for positioning in the housing. The binding ring may be made of a material, such as paper, that absorbs water quickly andtheninstantaneouslybecomessOftefledafldcracked.
A pull cord is connected to the binding ring with an end of the pull cord extended to an outer side of the housing.
The pushing unit includes a push rod that may have two curved recesses provided thereon for driving the piercing unit to pierce through the sealed mouth of the compressed gas cylinder, and there may be provided a pressure adjusting assembly including an elastic element located behind the push rod. A front end of the push rod may normally be pushed by the elastic element against a central area of the gathered sectorial segments of the safety switch. When the binding ring is torn or wetted to crack, and the sectorial segments separate apart, the push rod may be pushed forward by the elastic element and thereby actuates the piercing unit.
The piercing unit may include a push needle and an elastic element mounted around the push needle. The push needle may be provided at an end with a piercing sectionfacingtowardthesealedmouthofthecOmPressed gas cylinder, and at the other end with a steel ball engaged with one of the two curved recesses provided on the push rod. When the push rod is moved forward to disengage the curved recess from the steel ball, the push needle may be pressed downward to pierce through the sealed mouth of the cylinder, allowing compressed gas in the cylinder to quickly and automatically flow into an inflatable life-saving appliance or other inflatable devices connected to a gas outlet on the housing.
The structure and the technical means adopted by the present can be best understood by referring to the following detailed description of the preferred embodiments and the accompanying drawings, wherein Fig. 1 is an exploded perspective view of a gas supply actuator for a compressed gas cylinder; Fig. 2 is an assembled longitudinal sectional view of the actuator on the gas cylinder; Fig. 3 is an assembled transverse sectional view of the actuator on the gas cylinder; Fig. 4 is a fragmentary and enlarged view of Fig. 2; Fig. 5 is an exploded perspective view showing the sectorial segments of the actuator; Fig. 6 shows the gas supply actuator piercing through a sealed mouth of the compressed gas cylinder; and Fig. 7 shows compressed gas in the cylinder being automatically supplied via the gas supply actuator for inflating a device connected to a gas outlet on the actuator.
As shown in Fig. 1, the actuator is configured for quicklypiercingthroughaSealedmOUth0fac0mPre55 gas cylinder 50, so that compressed gas stored in the cylinder 50 can be timely and automatically supplied foruse, 1, a safety switch 2, a pushing unit 3, and a piercing unit 4.
Referring to Figs. 1 to 4, the housing 1 is a hollow structure, such as a hollow cylindrical member, configured to connect to the sealed mouth of the compressed gas cylinder 50. The housing 1 is provided on a circumferential wall at a predetermined point with a radially extended through hole 11, and at a first end with a plurality of water inlets 121. The pushing unit 3 is assembled to a second end of the housing 1 opposite to the first end. The housing 1 is also provided on an inner circumferential wall surface at a predetermined position with a radially inward projected seat 13, on a radial inner surface of which there is provided an axially extended guide wayl3l. AradiallyoutWardprojectedcOflflectingseat 14 is formedon the circumferential wall of the housing 1atapositiondiametricallyOppoSitet0thePr0jt seat 13 and the guide way 131 thereof. Aradially inner portion of the connecting seat 14 defines a receiving chamber 141 adapted to radially communicate with an inner space of the housing 1. As can be most clearly seen from Figs. 1 and 3, a gas outlet 142 is provided at one lateral side of the receiving chamber 141 to communicate the inner space of the housing 1 with an external environment, and to connect to a life-saving appliance, such as a life jacket, a life ring, etc., or other devices to be inflated. Alternatively, the housing 1 may have two open ends, a first one of which is removably sealed with an end cap 12 having a central shaft hole 122 and a plurality of water inlets 121 located around the central shaft hole 122, and the other one of which is internally provided with screw threads 15 for engaging with the pushing unit 3.
Referring to Figs. 1, 4, and 5, the safety switch 2 includes a plurality of sectorial segments 21, which can be gathered to form a round hollow ring member for positioning in the housing 1 near the first end having the water inlets 121. As can be most clearly seen from Fig. 5, each of the sectorial segments 21 is provided on an inner wall surface with an axially extendedandcurve-bottomedchannel 211, andatajoint of the channel 211 and the inner wall surface with a conical surface 212. The sectorial segments 21 are bound together by a binding ring 22 to form the round hollow ring member. The binding ring 22 is made of a material, such as paper, that quickly absorbs water and then instantaneously become softened and cracked.
To give the binding ring 22 an increased toughness, a middle section of the material for forming the binding ring 22 is twisted into a substantially spiral strip.
The binding ring 22 is then wound around the gathered sectorialsegments2lwithtwoflatefldSOfthematerial overlapped and bonded to each other. A pull cord 24 is connected to the binding ring 22 in a predetermined manner with an end of the pull cord 24 extended through the through hole 11 on the housing 1 to an outer side of the housing 1.
Referring to Figs. 1 to 4, the pushing unit 3 includes a push rod 31 located in the housing 1 with a front end extending into the safety switch 2, and a pressure adjusting assembly located behind the push rod 31.
The push rod 31 is provided on a middle section thereof with a radially projected key 311 adapted to engage with the guide way 131 in the housing 1, and two axially adjacent curved recesses 312, 312' facing toward the receiving chamber 141, and is also provided near the front end with a tapered shoulder portion 313 adapted to press against the conical surfaces 212 of the sectorial segments 21. The frontmost end of the push rod 31 is formed into a diameter-reduced shaft 314 adapted to movably engage with the central shaft hole 122 on the end cap 12 at the first end of the housing 1. A rear end of the push rod 31 is formed into a hemispherical nose 315. The pressure adjusting assembly includes a nut 32, an elastic element 33, and a push block 34. The nut 32 has external screw threads 321 adapted to mesh with the internal screw threads 15 at the second end of the housing 1, and defines an inner space 322 for receiving the elastic element 33 and the push block 34 therein, such that the elastic element 33 normally pushes the push block 34againstthehemisphericalrearend3lsOfthePUShiflg rod 31. The nut 32 may be screwed into the second end of the housing 1 by different degrees to adjust the axial position of the nut 32 in the housing 1.
Referring still to Figs. 1 to 4, the piercing unit 4 includes a push needle 41 movably fitted in the receiving chamber 141 of the connecting seat 14 on the housing 1, an elastic element 42 mounted around thepushneedle4l, andahollowlocatingring43 fixedly connected at an outer circumferential edge to an inner wall surfaceof thereceivingchamberl4lforsuppOrting the elastic element 42 thereon. The push needle 41 is provided around an upper part with an airtight ring 410 to prevent gas from entering into the housing 1 via the push needle 41. Alowerpart of the pushneedle 41 is formed into a diameter-reduced and tapered piercing section 411 pointed toward the sealed mouth ofthecompressedgascylinder50. Theelasticelement 42 is mounted around the diameter-reduced piercing section 411 with one end abutted against the upper part of the push needle 41 and the other end against the locating ring 43, so that the push needle 41 is normally pushed upward by the elastic element 42 for a steel ball 44 seated on an upper end of the push needle 41 to engage with the curved recess 312 on the middle section of the pushing rod 31. Thereby, when the pushing rod 31 is axially moved forward toward the first end of the housing 1, the push needle 41 is pushed downward and the piercing section 411 passes through the hollow locating ring 43 to pierce through the sealed mouth of the compressed gas cylinder 50.
To use the actuator described, simply pull the pull cord 24 to tear apart the binding ring 22 of the safety switch 2, or wet the binding ring 22 via the water inlets 121 at the first end of the housing 1 to soften and thereby crack the binding ring 22. At this point, the sectorial segments 21 are no longer bound together by the binding ring 22 and may be easily pushed apart from one another, allowing the push rod 31 to be moved forward by the elastic element 33 and actuate the piercing unit 4 to pierce through the sealed mouth of the compressed gas cylinder 50.
In practical use of the actuator described, the gas outlet 142 on the housing 1 is connected to an inflation valveonalife-savingappliance, suchasalifejacket, a life ring, etc., or an inflatable mattress, or a lifesaving device on an airplane. When the actuator is not in use, the bound sectorial segments 21 stop the push rod 31 from axially moving forward, and the push needle 41 is in a position not to pierce through the sealed mouth of the cylinder 50, as shown in Fig. 4. And, when the pull cord 24 is pulled outward, the bindingring22 istornapartatthesametime. Meanwhile, the elastic element 33 of the pressure adjusting assembly of the pushing unit 3 automatically pushes the push rod 31 forward for the tapered shoulder portion 313 of the push rod 31 to push the sectorial segments 21 apart. When the push rod 31 is moved forward to such an extent that the curved recess 312 no longer engages with the steel ball 44 on the upper end of the push needle 41, as shown in Fig. 6, the push needle 41 is pushed downward by the push rod 31 to pierce through the sealedmouthof the cylinder 50. And, when the push rod 31 is continuously moved forward to such an extent that the other curved recess 312' engages with the steel ball 44, the push needle 41 is pushed upward again by the elastic element 42, as shown in Fig. 7. At this point, the piercing section 411 is lifted to disengage from the mouth of the cylinder 50, allowing the compressed gas in the cylinder 50 to flow into the receiving chamber 141 and be supplied to inflate a life-saving appliance or other device via the gas outlet 142.
In the event the user fails to operate the pull cord 24 for any reason, the actuator may be otherwise actuated to work by admitting water into the housing 1 via the water inlets 121 to wet, soften, and crack theb ndingring22. Then, thepushrod3lmaybepushed by the elastic element 33 toward the sectorial segments 21 to push them apart and move forward to finally push the push needle 41 downward to pierce through the sealed mouth of the cylinder 50.
Thus, with the above arrangements, the actuator of the present invention is particularly suitable for use inanemergencytoautomaticallyactuate the supply of gas from the compressed gas cylinder to inflate a life-saving appliance.

Claims (9)

1. Agas supply actuatorforacompressedgas cylinder, comprising a housing, a safety switch, a pushing unit, and a piercing unit: saidhousingbeingintheformofahOllOWcYlifldrical member, andbeingprovided ona circumferential wall at a predetermined point with a radially extended through hole, at a first end with a plurality of water inlets, and on the circumferential wall with a radially outward projected connecting seat for connecting to a sealed mouth of a compressed gas cylinder; and said connecting seat defining a receiving chamber therein adapted to radially communicate with an inner space of said housing; saidsafety switch including apluralityof sectorial segments, whichcanbegatheredtoformaroufldhOllow ring member for positioning in said housing near the first endhaving saidwater inlets; saidgathered sectorial segments being bound together byabinding ring; andapullcordbeingconnectedtoSaidbindiflg ring with an end of said pull cord extended through said through hole on said housing to an outer side of said housing; said pushing unit including a push rod located in said housing with a front end extending into a centre of said sectorial segments of said safety switch, and a pressure adjusting assembly located behind said push rod; and said push rod being provided on a middle section thereof with means for driving said piercing unit; and said piercing unit being mounted in said receiving chamber in said connecting seat forpiercing through a sealed mouth of said compressed gas cylinder.
2. A gas supply actuator for a compressed gas cylinder asclaimedinclaiml, whereineachofsaidsectorial segments forming said safety switch is provided on an inner wall surface with an axially extended and curve- bottomed channel, and at a joint of said channel and said inner wall surface with a conical surface; and wherein said push rod of said pushing unit is provided near the front end with a tapered shoulder portion adapted to press against said conical surfaces of said sectorial segments.
3. A gas supply actuator for a compressed gas cylinder as claimed inclaimlorclaim2, whereinsaidbinding ring is made of a material that absorbs water quickly and then instantaneously becomes softened and cracked, said binding ring having a middle section being twisted to form a spiral strip for winding around said gathered sectorial segments, and two flat ends overlapped and bonded to each other to thereby bind said sectorial segments together.
4. A gas supply actuator for a compressed gas cylinder asclaimedinanyoneoftheprecedingclaimS, wherein said housing is provided on an inner circumferential wall surface at a predetermined position with a radially inward projected seat, on a radial inner surface of which there is provided an axially extendedguideway; andsaidpushrodofsaidpushiflg unit being provided on a middle section thereof with a radially proj ected key adapted to engage with said guideway in said housing.
5. A gas supply actuator for a compressed gas cylinder asclaimedinanyoneoftheprecediflgclaimS, wherein said housing has two open ends, a first one of which being closed with an end cap, on which a central shaft hole and said plurality of water inlets are formed with said water inlets located around said central shaft hole, and a second one of said two openends beingprovidedwith internal screwthreads forsaidpressureadjustingassemblyofsaidPuShiflg unit to mount thereto; and said push rod of said pushing unit being provided at the front end with a diameter-reduced shaft adapted to extend into said central shaft hole on said end cap of said housing.
6. A gas supply actuator for a compressed gas cylinder asclaimedinanyoneof theprecedingclaims, wherein said pressure adjusting assembly includes a nut, an elastic element, andapushblock; saidnut being axially adjustably connected to said housing, and defining an inner space for receiving said elastic element and said push block therein, such that said elastic element normally pushes said push block against a rear end of said pushing rod.
7. Agas supply actuator for a compressed gas cylinder asclaimedinanyoneoftheprecedingclaims, wherein said means provided on the middle section of said push rod of said pushing unit comprises two axially adjacent curved recesses facing toward said receiving chamber in said connecting seat on said housing; and said piercing unit includes a push needle movably fitted in said receiving chamber of said connecting seat on the housing, an elastic elementmountedaroundsaidpushfleedle, andahollow locating ring fixedly connected at an outer circumferential edge to an inner wall surface of said receiving chamber for supporting said elastic element thereon; said push needle being provided at an end with a diameter-reduced piercing section facing toward said sealed mouth of said compressed gas cylinder, and at the other end with a steel ball adaptedtoengagewithoneofsaidtWOcUrvedrecesses on said push rod; and said elastic element of said piercing unit being mounted around said piercing section of said push needle.
8. A gas supply actuator for a compressed gas cylinder asclaimedinanyoneoftheprecediflgclaims, wherein said receiving chamber in said connecting seat on said housing is provided at one lateral side with a gas outlet communicating with an outer side of said housing.
9. AgassupplyactuatorfOracompreSsedgaScylinder, substantially as hereinbefore described with reference to the accompanying drawings.
GB0506543A 2005-03-31 2005-03-31 Gas supply actuator for compressed gas cylinder Expired - Fee Related GB2424692B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0506543A GB2424692B (en) 2005-03-31 2005-03-31 Gas supply actuator for compressed gas cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0506543A GB2424692B (en) 2005-03-31 2005-03-31 Gas supply actuator for compressed gas cylinder

Publications (3)

Publication Number Publication Date
GB0506543D0 GB0506543D0 (en) 2005-05-04
GB2424692A true GB2424692A (en) 2006-10-04
GB2424692B GB2424692B (en) 2007-03-14

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011128620A1 (en) * 2010-04-16 2011-10-20 Linde Aktiengesellschaft Pierceable gas cartridge
GB2496456A (en) * 2011-11-14 2013-05-15 Linde Ag Gas supply device having spring-loaded valve member to burst membrane
WO2014018332A1 (en) * 2012-07-23 2014-01-30 Carleton Technologies, Inc. Inflator assembly adapted for manual or automatic inflation
FR2997161A1 (en) * 2012-10-23 2014-04-25 Conseil Et Tech VALVE FOR SINGLE USE

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2029951A (en) * 1978-08-01 1980-03-26 Mackel G Automatic inflator for life vests
GB2194758A (en) * 1986-08-11 1988-03-16 Chen Tsung Hai Automatic actuation device for inflatable life-saving equipment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2029951A (en) * 1978-08-01 1980-03-26 Mackel G Automatic inflator for life vests
GB2194758A (en) * 1986-08-11 1988-03-16 Chen Tsung Hai Automatic actuation device for inflatable life-saving equipment

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011128620A1 (en) * 2010-04-16 2011-10-20 Linde Aktiengesellschaft Pierceable gas cartridge
GB2496456A (en) * 2011-11-14 2013-05-15 Linde Ag Gas supply device having spring-loaded valve member to burst membrane
GB2496456B (en) * 2011-11-14 2017-07-19 Linde Ag Gas supply device
WO2014018332A1 (en) * 2012-07-23 2014-01-30 Carleton Technologies, Inc. Inflator assembly adapted for manual or automatic inflation
FR2997161A1 (en) * 2012-10-23 2014-04-25 Conseil Et Tech VALVE FOR SINGLE USE
WO2014064369A1 (en) 2012-10-23 2014-05-01 Conseil Et Technique Single-use valve
US9752694B2 (en) 2012-10-23 2017-09-05 Conseil Et Technique Single-use valve
RU2649521C2 (en) * 2012-10-23 2018-04-03 Консей Е Текник Single-use valve

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Publication number Publication date
GB2424692B (en) 2007-03-14
GB0506543D0 (en) 2005-05-04

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Effective date: 20090331