L'air Liquide, Soci&#xe9;t&#xe9; Anonyme Pour L'etude Et L'exploitation Des Proc&#xe9;d&#xe9;s Georges Claude

Other

L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des

L'air Liquide, Soci&eacute;t&eacute; Anonyme &agrave; Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Proc&eacute;d&eacute;s Georges Claude

Fro S.r.l.

Philippe Pisot

Antoine Frenal

Renaud Ligonesche

Denis Muller

Gilles Cannet

Didier Lasnier

Philippe Deck

Emmanuel Baune

Simon Jallais

Sylvain Gerard

Marco Arzenton

Joseph Pierquin

Cyril Manscourt

Alessandro Moretti

Vladimir Hasanov

Arnaud Denis

Stephane Thouvier

Bruno Beaco

Etienne Gounot

Gervais Lemesle

Cyrill Manscourt

Silvano Bendazzoli

Maxime Dupont

Jean-Paul Schaaff

Daniel Roy

Michael Desclides

Alexandre Morainville

Hervé Challiol

Filling connector comprising a body () defining an internal filling circuit () between an upstream end () and a downstream end (), with the connector comprising an isolation valve element () mobile relatively to a seat () between an upstream position in which the circuit is closed and a downstream position in which the circuit is open, with the connector () further comprising a dust valve element () positioned upstream of the isolation valve element (), characterised in that the dust valve element () can be moved selectively towards downstream either:

Filling connector, container, filling method and filling nozzle

A method for withdrawing a pressurized gas from a receptacle comprising a tap, the tap comprising a filler/withdrawal coupling for a pressurized gas receptacle designed to interact with a packaging connector in order to allow said receptacle to be filled with pressurized gas or for withdrawal of pressurized gas from the receptacle, the method comprising

Filler coupling and corresponding receptacle and filling method

A filler-withdrawal coupling for a pressurized gas receptacle comprising a body defining an internal filler circuit between an upstream end designed to be connected to a packaging connector and a downstream end designed to be connected to a receptacle, the coupling comprising an isolation valve that can move relative to a seat between an upstream position for closing the circuit and a downstream position for opening the circuit, said isolation valve being moved to its upstream position by a return member, the coupling also comprising a dust-prevention valve placed upstream of the isolation valve, said dust-prevention valve being able to move relative to the body between an upstream position for closing the upstream end of the circuit and a downstream position for opening the circuit upstream end, said dust-prevention valve being moved to its upstream position by a return member.

The invention relates to a pressurized gas dispensing device such as a tap, which includes a first end, to be placed in the opening of a pressurized gas storage tank, and a second end, including a connection interface selectively connectable to a device for controlling the filling and/or withdrawal of gas from the tank, the dispensing device including an internal gas circuit having an upstream end connecting inside the tank and a downstream end to be connected to said filling and/or withdrawal control device, the internal circuit including in series, upstream to downstream, a pressure regulator and a downstream insulation valve, the portion of the internal circuit located between the pressure regulator and the downstream insulation valve defining a so-called low-pressure chamber, the dispensing device; being characterized in that the connection interface includes at least one safety lock selectively movable between a first rest position, wherein the lock shapes the connection interface into a first configuration connectable to said combined filling and/or withdrawal control device, and a second active position, wherein the lock shapes the connection interface into a second configuration preventing connection to a combined filling and/or withdrawal control device, the safety lock being subject to the pressure in the so-called low-pressure chamber directly and/or via an intermediate transmission member such as a movable piston, the safety lock being moved to the active position thereof by the pressure in the low-pressure chamber when the pressure in the low-pressure chamber is greater than a predetermined threshold.

Pressurized gas dispensing device, assembly including such a device and a control device, and container provided with such a dispensing device

A filler coupling comprising an isolation valve that can move relative to a seat between an upstream closing position and a downstream opening position, said isolation valve being moved to its upstream position by a return member, the coupling also comprising a dust-prevention valve placed upstream of the isolation valve, said dust-prevention valve comprising a downstream end and being able to move relative to the body between an upstream closing position and a downstream opening position, said dust-prevention valve being moved to its upstream position by a return member, characterized in that the dust-prevention valve can be moved selectively downstream either:

A filler coupling for a pressurized gas receptacle comprising a body defining an internal filler circuit between an upstream end designed to be connected to a packaging connector and a downstream end designed to be connected to a receptacle, the coupling comprising an isolation valve that can move relative to a seat between an upstream position for closing the circuit and a downstream position for opening the circuit, said isolation valve being moved to its upstream position by a return member, the coupling also comprising a dust-prevention valve placed upstream of the isolation valve, said dust-prevention valve being able to move relative to the body between an upstream position for closing the upstream end of the circuit and a downstream position for opening the circuit upstream end, said dust-prevention valve being moved to its upstream position by a return member, characterized in that the dust-prevention valve supports a filter interposed on the path of at least a portion of the fluid that travels between the upstream and the downstream of the circuit, the filter being able to move with the dust-prevention valve.

The invention relates to a gas filling and dispensing device that includes a body to be provided in the opening of a pressurized gas storage tank, a gas tapping circuit extending between a first upstream end to be connected to the inside of the tank and a second downstream end to be connected to a gas user, a filling duct having a first upstream end to be connected to the inside of the tank and a second downstream end to be connected to a filling member, said filling duct including at least one portion distinct from the tapping circuit, and the filling duct including a first valve, characterized in that the filling duct includes a second isolation valve arranged in series with the first valve.

Gas filling and dispensing device, and filling method

The invention relates to an element for controlling filling and/or drawing of a pressurized gas, to be mounted in an opening of a tank (), comprising a body () provided with at least one device () for controlling the circulation of gas placed between a first end, which has an opening () forming an inlet and/or an outlet for the gas with regard to the tank, and a second end for communicating with the inside of the tank. The control element also comprises a safety gas escape device () for evacuating the gas from the reservoir in the event of a dangerous situation and comprises a channel or gas escape circuit () running between a first end () for communicating with the pressurized gas of the tank and a second end () for communicating with a user circuit or with the atmosphere, the escape circuit being closed or not according to the state of a safety element (), characterized in that the second end of the gas escape circuit () coincides with the opening () of the control element forming an inlet and/or an outlet for the gas.

Element for controlling filling and/or drawing of a pressurized gas, tank and circuit provided with such an element

The invention relates to a gas filling and dispensing device that comprises a body to be positioned in the opening of a pressurized gas storage tank, a gas-tapping circuit extending between a first upstream end to be connected to the inside of the tank and a second downstream end to be connected to a gas user, wherein the tapping circuit includes a first insulation valve, the device further including a safety valve subjected to the tank pressure for blocking or selectively opening a passage for the gas from the tank towards a discharge area based on the temperature and/or pressure of the gas in the tank relative to at least one predetermined threshold, characterized in that the discharge area of the safety valve is located upstream from the first insulation valve.

Gas filling and dispensing device, vessel with such device, and operational circuit

The invention relates to a gas filling and distribution head () which is intended to be disposed in a hole in a pressurized gas storage tank. The inventive head () includes a mounting segment () which is intended to be housed in the hole in the tank and an expansion segment which houses a pre-expansion device (), said pre-expansion device () being arranged in relation to the mounting segment () such as to be housed at least partially inside the tank when the head is in the mounted position. The head () also includes: a filling circuit which extends between a first end which is equipped with a filling hole () and a second end which is intended to communicate with the interior of the tank, and an extraction circuit which extends between a first end which is intended to communicate with the interior of the tank and a second end which is equipped with an extraction hole. The invention is characterized in that the filling hole () is aligned with the extraction hole.

Pressurized gas filling and distribution head and tank equipped with one such head

The invention relates to an assembly including a pressurized gas storage tank and a control device for filling the tank with gas and/or extracting gas therefrom. The aforementioned tank includes: a hole which communicates with the interior of the tank, a filling and distribution head which is disposed at the hole and which includes a pre-expansion device which is at least partially integrated inside the volume of the tank, and a connection interface which is removably engaged with the gas supply and/or extraction control device such as to co-operate therewith. The invention is characterized in that the head includes an isolation member, such as a valve, which is housed at least partially inside the volume of the head and which can be accessed by an opening member that is external to the head through an access hole that is provided in the head. The above-mentioned control device includes a body having a connection end which is intended to be removably engaged with the connection interface, an opening member which can move in relation to the body and an actuation element which can move the opening member selectively between a retracted rest position and an operating position in which one end of the opening member projects out from the body beyond the connection end, such that the opening member can extend into the access hole in the head in order to open the isolation member.

Assembly including a pressurized gas storage tank and a control device for filling the tank with gas and/or extracting gas therefrom

The invention relates to a device for controlling the filling and/or extraction of a fluid, for example, in relation to a pressurized fluid tank including a body having a connection end () which is equipped with engagement means that are intended to co-operate with complementary engagement means which are provided, for example, on a connection interface of a tank, a member () for opening a valve that can move in relation to the body, actuation means () which can move the opening member () selectively and which can move between a running position and a stopped position corresponding respectively to an operating position and a rest position of the opening member () and a hole () which can receive a removable outlet or inlet coupling () for the distribution of the fluid. The invention is characterized in that the device includes retractable locking means () which are used to lock the actuation means () in the running position and which are designed to co-operate with the hole (), such that, when there is no coupling () connected to the control device in the corresponding hole, the locking means () are biased towards the retracted position, thereby preventing the actuation means () from being stably maintained in the running position.

Fluid filling and/or extraction control device and tank including one such device

The invention concerns a valve assembly or an on-off pressure reducer device for a pressurised gas container designed to co-operate with a conditioning connection for filling said container. The valve assembly or on-off pressure reducer comprises a filler connection ( ) with a longitudinal axis, a guide end ( ), and a thread ( ) axially offset relative to said end. The end ( ) has a periphery ( ) provided with at least an impression ( ) protruding outside the periphery, projecting in a plane orthogonal to said longitudinal axis, the impression ( ) of said connection end being secant to a circle centred on said axis and whereof the diameter is equal to the smaller of the internal and external diameters of said thread.

Valve assembly with or without integrated reducer for pressurized gas container

The invention relates to an oxy-fuel torch. The torch comprises a body ( ) comprising a number of pipes for conveying at least two streams of gas between inlets ( ) and outlets; at least two valves ( ) mounted in said body capable of adopting a closed rest position and an open active position; a single control ( ) for said valves and mounted so that it can move on the body and able to be moved so that it collaborates with said valves, capable of adopting a first stable position in which all the valves are at rest and at least one second stable position in which at least one of the valves is in the active position; controllable means ( ) of locking said control ( ) so as to secure it, at rest, to said body; and at least one controllable delivery adjusting means ( ) mounted on said body for adjusting the delivery of at least one of said streams of gas.

Oxy-fuel torch with a single control for the valves

The tap/pressure regulator assembly, advantageously housed in a streamlined cowl forming a bottle-handling bonnet (C), comprises a body (1) intended to be mounted on a gas bottle and defining, on the inside, a gas utilization circuit, going to an outlet (3) via an isolating valve actuated by a lever (5) and via an adjustable pressure regulator (4, 25), and an independent filling circuit going from a filling fitting (6). The body (1) also carries high-pressure and low-pressure pressure gauges (8). Application especially to welding gases. FIG. 2 to be reproduced.

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L'Isle Adam, France

Philippe Pisot