GB2111154A - Fluid flow couplings - Google Patents

Fluid flow couplings Download PDF

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Publication number
GB2111154A
GB2111154A GB8134614A GB8134614A GB2111154A GB 2111154 A GB2111154 A GB 2111154A GB 8134614 A GB8134614 A GB 8134614A GB 8134614 A GB8134614 A GB 8134614A GB 2111154 A GB2111154 A GB 2111154A
Authority
GB
United Kingdom
Prior art keywords
passage
neck
mounting member
coupling
discharge
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
GB8134614A
Other versions
GB2111154B (en
Inventor
Arthur Leighton Brake
David Anthony Cardnell Harper
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.)
Baj Vickers Ltd
Original Assignee
Baj Vickers Ltd
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 Baj Vickers Ltd filed Critical Baj Vickers Ltd
Priority to GB8134614A priority Critical patent/GB2111154B/en
Publication of GB2111154A publication Critical patent/GB2111154A/en
Application granted granted Critical
Publication of GB2111154B publication Critical patent/GB2111154B/en
Expired legal-status Critical Current

Links

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
    • 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
    • F17C2205/0311—Closure means
    • F17C2205/0314—Closure means breakable, e.g. with burst discs
    • 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
    • F17C2205/0382—Constructional details of valves, regulators
    • F17C2205/0385—Constructional details of valves, regulators in blocks or units
    • 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
    • F17C2205/0388—Arrangement of valves, regulators, filters
    • F17C2205/0394—Arrangement of valves, regulators, filters in direct contact with the pressure vessel
    • 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
    • F17C2221/01—Pure fluids
    • F17C2221/011—Oxygen
    • 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
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0186—Applications for fluid transport or storage in the air or in space
    • F17C2270/0189—Planes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

A fluid flow coupling comprises: a connector member (A) having means for attachment (11) to a pressurised gas container, a neck (14), a passage (16) extending throughout the neck and a non-return valve in the passage; and a mounting member (B) having means (23, 33, 34, 27, 26) for locking the neck in the mounting member, a movable valve operating member (59) for operating the valve in the neck, and means (39, 37, 45) for moving the valve operating member. The connector member includes safety features such as a burster disc (83) and a passage (86) leading to a zone which, when the connector member and mounting member are assembled together, is bounded by the connector member and the mounting member. The mounting member contains passage means (90) leading to a discharge (91) which discharge may include connecting means for connection to a safety discharge conduit (94) with the provision of a non-return valve (93) between the said zone and the said conduit. The coupling is particularly suitable for oxygen bottles used in aircraft enabling them to be easily replaced when empty without allowing the escape of large quantities of oxygen. <IMAGE>

Description

SPECIFICATION Fluid flow couplings This invention relates to fluid flow couplings and particularly, although not exclusively, to the mounting of pressure vessels for compressed gas.
The invention is particularly applicable to vessels for gases of a very high pressure, for example at least 10 MPa.
There is described in our specification Serial No. A2038970 a form of fluid flow coupling which is suitable for many applications but there is now a requirement for a coupling which is suitable, inter alia, for the connection of bottles containing oxygen for use in aircraft whereby such bottles can readily be exchanged in contrast to the current practice in which bottles are changed only occasionally but are charged in situ during normal servicing operations between flights.
The invention is believed to reside in any of the following features taken individually or in any compatible combination and in all other novel features described in the specification taken singly or jointly or in combination with one or more of the previously mentioned features.
A fluid flow coupling comprises: a connector member having means for attachment to a pressurised gas container and a neck and a passage connecting the attachment means to the neck and containing a non-return valve; and a mounting member containing means for locking the neck in the mounting member and a movable valve operating member for operating the valve in the neck and means for moving the valve operating member.
The connector member may include a frangible wall such as a burster disc and a passage leading to a zone which, when the connector member and mounting member are assembled together, is bounded by the connector member and the mounting member; the mounting member contains passage means leading to a discharge which discharge may include connecting means for connection to a safety discharge conduit with the provision of a non-return valve between the said zone and the said conduit. The mounting means may comprise a housing and the operating means may include an element extending into the housing through an opening to which it is sealed by two spaced seals with a passage extending from between the two seals to the passage leading from the said zone to the discharge.
The invention may be carried into practice in various ways but one coupling embodying the invention will now be described by way of example with reference to the accompanying drawing which is a longitudinal section through the components of the coupling.
The coupling shown in the drawing comprises a connector member A and a mounting member B.
The connector member A is generally tubular but is formed with a hexagonal section 10 intermediate its ends, a male threaded portion 11 adjacent one end and a cylindrical portion 12 adjacent the other end. The threaded portion 11 carries a standard thread by which the connector member A can be semi-permanently secured in the threaded opening of a bottle suitable for containing compressed oxygen at a working pressure of 2,000 pounds per square inch (12.5 MPa). The end opposite to the threaded portion 11 carries a plug member 13 formed with a neck or probe 14 bearing a round-bottomed circumferential groove 1 5. A passage 1 6 extends throughout the length of the connector member A and plug member 13 and in an enlarged portion of this passage within the plug member there is a check or non-return valve, not shown.
The valve member B includes a housing 20 formed with four holes 21 to receive bulkhead mounting bolts. The housing 20 has a hollow interior 22 within which a sleeve member 23 is axially slidable. The sleeve member has an end portion 24 of reduced external diameter to form an inclined shoulder 25 which can engage a corresponding inclined shoulder 26 of a locking sleeve 27 which is threaded into a counter-bore 28 formed in the housing 20. The sleeve member 23 is biased in a direction such that the shoulders 25 and 26 abut one another (downwardly as seen in the drawing) by a spring 29 which extends between the closed end 31 of the housing 21 and the adjacent end of the sleeve member 23.The reduced diameter portion 24 of the sleeve member 23 is formed with holes 33 which receive balls 34 to cooperate with the groove 1 5 in the neck 14 of the coupling member A to lock the connector member in the mounting member B.
Slidable within the sleeve member 23 is a piston member 35 the upper end 36 of which can abut the lower end of an axially movable spindle 37 which extends through a hollow stem 38 projecting from the end wall 31 of the housing 20 and having rotatably mounted thereon a knob or hand wheel 39 formed with a sleeve portion 40 which is threaded to the outer surface of the hollow stem 38 so that rotation of the knob 39 produces axial movement of the spindle 37. The lower end of the spindle is formed with a flange 41 which is trapped within the upper end of the sleeve member 23 by a plug member 42 threaded into the upper end of the sleeve member with the interposition of a spacer cup 44 which is screwthreaded to a boss 45 formed on the upper end of the piston member 35.Located between the piston member 35 and the sleeve member 23 is a cylindrical member 51 which is axially slidable and which is able to close a radial aperture 52 in the sleeve member 23. The aperture opens onto a region of the outer surface of the sleeve member 23 which is situated between two O-rings 49, 50.
Extending across the bore of the sleeve member 23 is an apertured wall 53 carrying a boss 54, the wall and the boss being formed with a central passage 55 having a seat 56. Extending through the piston member 36 is an axial bore 57 which terminates at one end in a seat 58. Axially movable in the passage 55 extending through the wall 53 and the boss 54 is a valve operating member 59 formed with an enlarged rounded head portion 61 and a central passage 62 leading to a pair of bores 63 in the bluntly conical end wall 64 of the valve operating member.
A boss 71 on one side of the housing 20 provides a means of connection for a discharge union 72 containing a non-return valve 73 and leading to a discharge conduit 74. The boss 71 has a central bore 75 leading to the interior of the housing 20 and, through radial bores 76 in the sleeve member 23 and clearances around the spacer cup 44, to the axial bore 57 through the piston member 35.
Leading laterally from the axial passage 1 6 in the connector member A is a counterbore 81 containing a bored plug 82 having in its base a burster disc 83 which is trapped between the end of the plug and the bottom of the counterbore. The plug includes an axial passage 84 and radial passage 85 which lead to a passage 86 extending axially of the connector member A and having an opening 87 in one end face of the connector member. The cylindrical wall 1 2 of the coupling member is formed with a groove containing an O-ring 88 which cooperates with an interior cylindrical surface 89 of the housing 20 when the neck 14 is entered into the housing 20. This produces a space between the housing and the connector member around the neck.A passage 90 extends from this space to a bore 91 in the housing which is approximately diametrically opposite to the boss 71 and has screwed therein a union 92 containing a non-return valve 93 and leading to a security discharge conduit 94. The radial aperture 52 through the sleeve member 23 is also in communication with the security discharge conduit through a bore 95 in the wall of the housing 20. The spindle 37 is sealed in its passage through the end wall 31 of the housing 20 by spaced O-rings 96, 97, the zone between the O-rings being in communication with the security discharge conduit 94 by ducts 98 and 99 in the housing 20.
Operation of the assembly will now be described. When the knob 39 and the spindle 37 are in the bottle-release position, the spindle is retracted from the position shown in the drawing to permit or cause the sleeve member 23 to move upwardly from the position shown until there is sufficient clearance between the inclined shoulders 25, 26 for the balls 34 to move radially outwards so that the neck 14 of the connected member A can be entered into the sleeve member 23. At this stage the valve operating member 59 is in the retracted position and does not project into the neck 14 sufficiently far to operate the non-return valve therein.Rotation of the knob 39 will cause the spindle to move downwardly into the housing, thus allowing the sleeve member 23 to move downwards under the influence of the spring 29 to cause the balls 34 to be calmed radially inwardly by the inclined shoulder 27 into the groove 1 5 to retain the neck 14 securely. The force of the spring will be supplemented by pressure when the valve in the neck 14 is opened as will shortly be described. This is the bottlelocked position which is shown in the drawing, although in the interests of clarity the connector member A is shown separated from the mounting member B.Further rotation of the knob 39 will move the spindle 37 further into the housing, moving the piston member 35 downwardly so that the lower surface of the head portion 61 abuts on the seat 56 at the upper end of the boss 54 while the upper surface of the head portion engages sealingly in the seat 58. While the valve operating member 59 is thus moved downwardly it penetrates further into the neck 14 to open the non-return valve therein. There is thus a flow passage from the interior of the bottle through the passage 1 6 and the non-return valve in the neck 14, through the bores 63 and the central passage 62 of the valve operating member 59, through the axial bore 57 in the piston member 35, through the clearances around the spacer cup 44 to the bores 76 and the bore 75 and hence through the non-return valve 73 to the discharge line 74. Once the valve in the neck 1 4 is opened, gas pressure will act on the piston member 35 to press the seat 58 firmly on to the head portion 61 to minimise leakage.
Spaces within the housing 20 but not included within the flow passage just described are all vented to the safety discharge conduit 93 so that there is no possibility of oxygen leaking from the connection.
To close the valve in the neck 14 and release the bottle, the knob 39 is rotated in the reverse direction. Any leakage between the head portion 61 and the seat 58 occurring before the valve in the neck 14 is closed and any residual gas in the system will escape through the safety discharge conduit 94 before the O-ring 88 leaves the surface 89 on removal of the bottle.

Claims (8)

1. A fluid flow coupling comprising: a connector member having means for attachment to a pressurised gas container, a neck, a passage connecting the attachment means to the neck, and a non-return valve in the passage; and a mounting member having means for locking the neck in the mounting member, a movable valve operating member for operating the valve in the neck, and means for moving the valve operating member.
2. A coupling as claimed in Claim 1 in which the connector member includes a frangible wall and a passage leading to a zone which, when the connector member and mounting member are assembled together, is bounded by the connector member and the mounting member.
3. A coupling as claimed in Claim 2 in which the frangible wall is a burster disc.
4. A coupling as claimed in Claim 2 or Claim 3 in which the mounting member contains passage means leading to a discharge.
5. A coupling as claimed in Claim 4 in which the discharge includes connecting means for connection to a safety discharge conduit with the provision of a non-return valve between the said zone and the said conduit.
6. A coupling as claimed in Claim 4 or Claim 5 in which the mounting member comprises a housing and the moving means includes an element extending into the housing through an opening to which it is sealed by two spaced seals with a passage extending from between the two seals to the passage leading from the said zone to the discharge.
7. A coupling as claimed in Claim 1 in which the mounting member has: a passage leading from an inlet to which the neck is connected to an outlet; a safety discharge; a socket to receive the neck; and passage means for directing leakage from the socket to the safety discharge.
8. A fluid flow coupling substantially as described herein with reference to the accompanying drawing.
GB8134614A 1981-11-17 1981-11-17 Fluid flow couplings Expired GB2111154B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8134614A GB2111154B (en) 1981-11-17 1981-11-17 Fluid flow couplings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8134614A GB2111154B (en) 1981-11-17 1981-11-17 Fluid flow couplings

Publications (2)

Publication Number Publication Date
GB2111154A true GB2111154A (en) 1983-06-29
GB2111154B GB2111154B (en) 1985-04-17

Family

ID=10525939

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8134614A Expired GB2111154B (en) 1981-11-17 1981-11-17 Fluid flow couplings

Country Status (1)

Country Link
GB (1) GB2111154B (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136104A (en) * 1983-02-25 1984-09-12 Hahn Metallbau Gmbh Steel cylinder for a drink dispenser
GB2147382A (en) * 1983-09-29 1985-05-09 Schulz & Rackow Adaptor
GB2153942A (en) * 1984-02-02 1985-08-29 Hambleton Bard Limited Closure assembly for pressure fluid storage vessel
GB2230727A (en) * 1989-02-13 1990-10-31 Dresser Ind Perforating gun pressure bleed device
US5450875A (en) * 1993-07-28 1995-09-19 White Industries, Llc For a refrigerant service line coupling device
FR2763382A1 (en) * 1997-05-15 1998-11-20 France Etat GAS SUPPLY ASSEMBLY FOR CONNECTION TO A TANK CONTAINING HIGH PRESSURE GAS
FR2784738A1 (en) * 1998-10-19 2000-04-21 Air Liquide BUILT-IN MANOMETER FOR PRESSURIZED FLUID DELIVERY DEVICE, IN PARTICULAR FOR GAS REGULATOR
WO2008009941A1 (en) * 2006-07-18 2008-01-24 Bpr Medical Ltd Improvements in or relating to gas container assemblies and couplings therefor
US8602048B2 (en) 2006-12-21 2013-12-10 Bpr Medical Limited Apparatus and instruments for handling gas and incorporating a safety valve unit
WO2018015627A1 (en) * 2016-07-20 2018-01-25 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Device for supplying pressure fluid

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136104A (en) * 1983-02-25 1984-09-12 Hahn Metallbau Gmbh Steel cylinder for a drink dispenser
GB2147382A (en) * 1983-09-29 1985-05-09 Schulz & Rackow Adaptor
GB2153942A (en) * 1984-02-02 1985-08-29 Hambleton Bard Limited Closure assembly for pressure fluid storage vessel
GB2230727A (en) * 1989-02-13 1990-10-31 Dresser Ind Perforating gun pressure bleed device
US5044388A (en) * 1989-02-13 1991-09-03 Dresser Industries, Inc. Perforating gun pressure bleed device
GB2230727B (en) * 1989-02-13 1993-04-21 Dresser Ind Perforating gun pressure bleed device
US5450875A (en) * 1993-07-28 1995-09-19 White Industries, Llc For a refrigerant service line coupling device
FR2763382A1 (en) * 1997-05-15 1998-11-20 France Etat GAS SUPPLY ASSEMBLY FOR CONNECTION TO A TANK CONTAINING HIGH PRESSURE GAS
EP0884521A1 (en) * 1997-05-15 1998-12-16 Delegation Generale Pour L'armement, Bureau De La Propriete Industrielle D.R.E.T. Gas supplying assembly for connection to a high pressure gas container
FR2784738A1 (en) * 1998-10-19 2000-04-21 Air Liquide BUILT-IN MANOMETER FOR PRESSURIZED FLUID DELIVERY DEVICE, IN PARTICULAR FOR GAS REGULATOR
EP0995945A1 (en) * 1998-10-19 2000-04-26 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Built-in manometer for a pressure fluid delivery device, more particularly for a gas-pressure reducing valve
US6378553B1 (en) 1998-10-19 2002-04-30 L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Built-in manometer for a device for the distribution of fluid under pressure, particularly for a gas expander
WO2008009941A1 (en) * 2006-07-18 2008-01-24 Bpr Medical Ltd Improvements in or relating to gas container assemblies and couplings therefor
US8353314B2 (en) 2006-07-18 2013-01-15 Bpr Medical Limited Gas container assemblies and couplings therefor
US8602048B2 (en) 2006-12-21 2013-12-10 Bpr Medical Limited Apparatus and instruments for handling gas and incorporating a safety valve unit
WO2018015627A1 (en) * 2016-07-20 2018-01-25 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Device for supplying pressure fluid
FR3054291A1 (en) * 2016-07-20 2018-01-26 L'air Liquide Sa Pour L'etude Et L'exploitation Des Procedes Georges Claude DEVICE FOR SUPPLYING FLUID UNDER PRESSURE

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Publication number Publication date
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PCNP Patent ceased through non-payment of renewal fee