Patents by Inventor Philippe Pisot
Philippe Pisot has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20120006445Abstract: 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: in a first determined downstream position opening the upstream end in which the downstream end of the dust-prevention valve does not push the upstream end of the isolation valve, or in a second determined downstream position opening the upstream end, in which the downstream end of the dust-prevention valve pushes an upstream end of the movable isolatiType: ApplicationFiled: July 5, 2011Publication date: January 12, 2012Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Antoine FRENAL, Philippe PISOT, Cyril MANSCOURT
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Publication number: 20120003559Abstract: The invention relates to a fuel gas supply system for a power-consuming member, particularly a gaseous hydrogen supply system for a fuel cell or a heat engine, the system including at least one upstream end comprising a movable mechanical actuator for selectively controlling the opening of an insulation valve of a pressurized fuel gas tank to be coupled to the at least one upstream end, the supply system including a member for controlling the movement of the mechanical actuator, characterized in that the control member is mechanically connected to the actuator via a selectively movable mechanical movement transmission member, the control member being offset relative to the actuator so as to remotely ensure the offsetting of the actuator via mechanical forces.Type: ApplicationFiled: March 3, 2010Publication date: January 5, 2012Applicant: L'Air Liquide Societe Anonyme pour L'Etude et I'Exploitation des Procedes Georges ClaudeInventors: Antoine Frenal, Philippe Pisot
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Publication number: 20110155266Abstract: 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 configuratType: ApplicationFiled: May 7, 2009Publication date: June 30, 2011Inventors: Alessandro Moretti, Philippe Pisot
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Publication number: 20110041933Abstract: The invention relates to a pressurized gas receiving device, particularly for a gas consumer such as an engine or a fuel cell, including a connection interface comprising at least one coupling member intended for selectively coupling with a coupling member combined with a gas dispenser, said receiving device including a movable gas intake shaft defining a gas flow duct, said duct having at least one downstream end to be connected to a consumer and one upstream end to be connected to a gas dispenser, the intake shaft being selectively movable relative to the coupling part between at least two stable positions: a first downstream reference position and a second upstream protruding position.Type: ApplicationFiled: April 16, 2009Publication date: February 24, 2011Inventors: Philippe Pisot, Alessandro Moretti, Renaud Ligonesche, Antonie Frenal
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Publication number: 20110017318Abstract: Pressurized fluid filling and/or extracting connector, particularly for a pressurized gas, said connector being designed to be selectively connected to a fluid receiving device such as a tap of a pressurized tank, said connector comprising a fluid supply line, at least one male and/or female attachment part designed to engage selectively by attaching to at least one mating female and/or male attachment port on the receiving device, the connector comprising a pressure-sensitive lock bolt in the fluid supply line, and being characterized in that in its first and second positions the lock bolt is so shaped as to lock or release the attachment part via at least one intermediate locking part separate from the lock bolt, the intermediate locking part; being selectively movable between a locked position and an unlocked position of the attachment part or parts, and in that the lock bolt includes at least one member such as a pin movable in relation to the intermediate locking part, the movable member forming a retracType: ApplicationFiled: March 20, 2009Publication date: January 27, 2011Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Expoitation Des Procedes Georges ClaudeInventor: Philippe Pisot
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Publication number: 20100326561Abstract: 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.Type: ApplicationFiled: February 20, 2009Publication date: December 30, 2010Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et Exploitation Des Procedes Georges ClaudeInventors: Alessandro Moretti, Philippe Pisot, Maxime Dupont
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Publication number: 20100326540Abstract: 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.Type: ApplicationFiled: February 9, 2009Publication date: December 30, 2010Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et LInventors: Alessandro Moretti, Philippe Pisot
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Publication number: 20100319804Abstract: Device for filling and distributing gas comprising a body intended to be placed in the orifice of a pressurized-gas storage reservoir, a gas withdrawing circuit running between an upstream first end intended to be connected to the inside of the reservoir and a downstream second end intended to be connected to a user of the gas, the withdrawing circuit comprising a pressure regulator, a low-pressure chamber and an isolation valve positioned in series in that order from upstream to downstream, the low-pressure chamber being connected to a passage for discharging the gas to the outside of the device via a safety relief valve sensitive to the pressure in the low-pressure chamber and designed to close off the discharge passage when the pressure in the low-pressure chamber is below a first threshold, to open the discharge passage when the pressure in the chamber is higher than the first pressure threshold and below a second pressure threshold, and to close the discharge passage when the pressure in the chamber is hType: ApplicationFiled: January 28, 2009Publication date: December 23, 2010Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L 'Exploitation Des Procedes Georges ClaudeInventors: Alessandro Moretti, Philippe Pisot, Arnaud Denis, Gervais Lemesle
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Publication number: 20090283351Abstract: Abstract of the Disclosure The invention concerns a gas storage system, in particular for supplying a motor vehicle power source, comprising at least two storage modules (GrA, GrB, GrC) each including an outlet conduit (Ci) connectable, by a quick-connect device (Cri) via an electromagnetic valve (vpA/B/C), to a supply line (L) of a user station, the modules, including for example different capacities, being produced with identical tanks (Ri). The invention is characterized in that the modules are used sequentially allowing one module to be completely emptied before the other module is used, and in that only the first empty module can be replaced with an identical full module, without replacing, at that stage, the other module in operation.Type: ApplicationFiled: June 17, 2005Publication date: November 19, 2009Inventors: Gilles Cannet, Philippe Pisot
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Publication number: 20090223976Abstract: The invention relates to a gas filling and distribution head (2) which is intended to be disposed in a hole in a pressurised gas storage tank. The inventive head (2) includes a mounting segment (21) which is intended to be housed in the hole in the tank and an expansion segment which houses a pre-expansion device (22), said pre-expansion device (22) being arranged in relation to the mounting segment (21) such as to be housed at least partially inside the tank when the head is in the mounted position. The head (2) also includes: a filling circuit which extends between a first end which is equipped with a filling hole (6) 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 characterised in that the filling hole (6) is aligned with the extraction hole.Type: ApplicationFiled: October 18, 2006Publication date: September 10, 2009Applicant: L'Air Liquide Societe Anonyme Pour L 'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Arnaud Denis, Renaud Ligonesche, Philippe Pisot
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Publication number: 20090223580Abstract: 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.Type: ApplicationFiled: October 18, 2006Publication date: September 10, 2009Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Arnaud Denis, Renaud Ligonesche, Philippe Pisot
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Publication number: 20090166359Abstract: 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 (1), comprising a body (21) provided with at least one device (8) for controlling the circulation of gas placed between a first end, which has an opening (31) 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.Type: ApplicationFiled: October 18, 2006Publication date: July 2, 2009Applicant: L'AIR LIQUIDE SCOIETE ANONYME POUR L'ETUDE ET L'EX DES PROCEDES GEORGES CLAUDEInventor: Philippe Pisot
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Publication number: 20080308181Abstract: The invention relates to a device for controlling the filling and/or extraction of a fluid, for example, in relation to a pressurised fluid tank including a body having a connection end (516) 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 (17) for opening a valve that can move in relation to the body, actuation means (250) which can move the opening member (17) 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 (17) and a hole (105) which can receive a removable outlet or inlet coupling (75) for the distribution of the fluid.Type: ApplicationFiled: October 18, 2006Publication date: December 18, 2008Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation des Procedes Georges ClaudeInventors: Arnaud Denis, Renaud Ligonesche, Philippe Pisot
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Publication number: 20050173007Abstract: The invention relates to a tap controlling the dispensing of a pressurized fluid, particularly a gas, comprising a valve body (1) that has an axis (XX) and is provided with an internal passage (10) for the fluid, which extends from an inlet port (8) to an outlet port (9), a fastening base (12) which has an axis (XX), coaxially supports the inlet port (8) of the internal passage (10), and the outer periphery of which is threaded, an outlet connection (4) which has an axis (BB) and supports the outlet port (9) of the internal passage (10), a manometer (5) which has an axis (AA) and the pressure-metering means of which is connected to the internal passage (10), an engaging member (11) which is disposed between the manometer (5) and the fastening base (12), and a lever (2) which pivots around an axis (YY) that runs perpendicular to the axis (XX) and cooperates with at least one valve (33) that acts upon the internal passage (10) such that the fluid can circulate or is prevented from circulating from the inlet porType: ApplicationFiled: May 15, 2003Publication date: August 11, 2005Inventors: Gilles Cannet, Philippe Pisot
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Patent number: 6705362Abstract: 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 (14) with a longitudinal axis, a guide end (18), and a thread (22) axially offset relative to said end. The end (18) has a periphery (20) provided with at least an impression (40) protruding outside the periphery, projecting in a plane orthogonal to said longitudinal axis, the impression (40) 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.Type: GrantFiled: September 30, 2002Date of Patent: March 16, 2004Assignee: L'Air Liquide, Société Anonyme à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventor: Philippe Pisot
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Publication number: 20030051755Abstract: A fluid pressure-reducing unit or pressure-reducing valve allowing the pressure or flow rate of a fluid to be controlled or adjusted, including a main body within which at least one internal fluid passage is made between at least one fluid inlet orifice and at least one fluid outlet orifice, a part for controlling the fluid pressure and/or flow rate being arranged in or on at least part of the internal fluid passage, and at least one operator-operable rotary hand wheel part cooperating with the fluid pressure and/or flow rate control part, in response to the rotary hand wheel part being rotated, so as to control or adjust the pressure and/or the flow rate of the fluid flowing through the internal fluid passage and leaving via the fluid outlet orifice, wherein the rotary hand wheel parts can move in terms of rotation into a number of distinct angular positions, each angular position corresponding to a given fliud pressure or flow rate value, and the rotary hand wheel part having an angular travel less than 340Type: ApplicationFiled: June 8, 2001Publication date: March 20, 2003Inventors: Gilles Cannet, Philippe Pisot, Marco Arzenton, Silvano Bendazzoli, Daniel Roy, Etienne Gounot
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Publication number: 20030047237Abstract: 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 (14) with a longitudinal axis, a guide end (18), and a thread (22) axially offset relative to said end. The end (18) has a periphery (20) provided with at least an impression (40) protruding outside the periphery, projecting in a plane orthogonal to said longitudinal axis, the impression (40) 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.Type: ApplicationFiled: September 30, 2002Publication date: March 13, 2003Inventor: Philippe Pisot
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Patent number: 6451245Abstract: The invention relates to an oxy-fuel torch. The torch comprises a body (10) comprising a number of pipes for conveying at least two streams of gas between inlets (14, 15) and outlets; at least two valves (16, 20, 22) mounted in said body capable of adopting a closed rest position and an open active position; a single control (12) 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 (40) of locking said control (12) so as to secure it, at rest, to said body; and at least one controllable delivery adjusting means (46, 48) mounted on said body for adjusting the delivery of at least one of said streams of gas.Type: GrantFiled: December 27, 2000Date of Patent: September 17, 2002Assignees: La Soudure Autogene Francaise, L'Air Liquide, Societe Anonyme a Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Philippe Pisot, Gilles Cannet, Gervais Lemesle
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Publication number: 20010050452Abstract: The invention relates to an oxy-fuel torch. The torch comprises a body (10) comprising a number of pipes for conveying at least two streams of gas between inlets (14, 15) and outlets; at least two valves (16, 20, 22) mounted in said body capable of adopting a closed rest position and an open active position; a single control (12) 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 (40) of locking said control (12) so as to secure it, at rest, to said body; and at least one controllable delivery adjusting means (46, 48) mounted on said body for adjusting the delivery of at least one of said streams of gas.Type: ApplicationFiled: December 27, 2000Publication date: December 13, 2001Inventors: Philippe Pisot, Gilles Cannet, Gervais Lemesle
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Patent number: 5975121Abstract: 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.Type: GrantFiled: June 4, 1996Date of Patent: November 2, 1999Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Marco Arzenton, Bruno Beaco, Gilles Cannet, Didier Lasnier, Philippe Pisot, Stephane Thouvier