The invention relates to an outlet boss for a pressurized-fluid storage tank, comprising an axial central part able to pass through the envelope of the tank and itself having passing through it at least one channel communicating by its proximal end with the inner chamber of the storage tank, and the distal end of which is closed along its axis of same direction XX′ as the boss, a radial internal part able to secure the boss to the envelope of the tank, and an axial external part comprising at least one radial outlet duct for the fluid that communicates with the channel and opens, by its other opposite end, to the outside of the boss and is able to receive therein any fluid outlet connection element, the boss forming in one piece an integrated dispensing head.
3121211), to the outside (14) of the boss (4) and is able to receive therein any fluid outlet connection element (10), the boss (4) forming in one piece an integrated dispensing head.
2) defining an intermediate space therebetween, and at least one pipe (12), called tapping pipe, connects each of the intermediate spaces and a common space (8) into which ail the tapping pipes (12) emerge, with an orifice (15) providing a connection between the common space (8) and a gas-detection device (16).
Method for leak testing a tank head, intended to be filled with a gas under high pressure and before it enters service, which head including at least two sealing devices, referred to as an inner and an outer sealing devices, which delimit there between an intermediate space into which opens a duct which communicates with the outside, such that: said test is carried out during the manufacture of the tank assembly, after fitting the tank head and before this tank is filled with high-pressure gas, pressurized gas is injected via the duct into the intermediate space between the two sealing devices, the gas injection is stopped at a given pressure, the value of said pressure is measured via said duct.
G01M 3/32 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
F17C 13/00 - Details of vessels or of the filling or discharging of vessels
5.
Compact and balanced regulator for delivering pressurized fluid
A compensated pressure regulator for fluid under pressure including a hollow body, at least one intake for a fluid at high pressure, at least one outlet for this fluid at low pressure, a mobile regulation piece which slides in a cylindrical bore, able to stop the intake of the fluid at high pressure, and such that it includes a piece of generally cylindrical form with two heads of which the two partial inner and opposing faces are of quasi-equal surface; these two partial inner faces, a part of a bore surrounding the piece in a seal-tight manner and a seal integral with this bore delimits a high-pressure chamber, and the piece with two heads and this bore being mobile in relation to one another, and the intake for the high-pressure fluid emerges laterally in this high-pressure chamber, which fluid transmits to the mobile regulation piece loads which are cancelled out.
12121212122) defining an intermediate space therebetween, and at least one pipe (12), known as a tapping pipe, connects each of the intermediate spaces and a shared space (8) into which all the tapping pipes (12) lead, with an opening (15) providing a connection between the shared space (8) and a gas-detection device (16).
Method for leak testing a tank head (2) before it enters service and intended to be filled with a gas under high pressure, which head (2) comprises at least two sealing devices (6, 7) referred to as the inner and outer sealing devices which delimit between them an intermediate space (12) into which there opens a duct (8) which communicates with the outside (10) and such that: • said test is performed during the manufacture of the tank assembly, after said tank head (2) has been fitted and before this tank is filled with high-pressure gas, • a pressurized gas is injected via the duct (8) into the intermediate space (12) between the two sealing devices (6, 7), • the injection of gas is halted at a given pressure P, • the magnitude of said pressure P is measured via said duct (8).
G01M 3/32 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
The female port (1), which is suitable for sealingly receiving, alternatively, two male connectors of two different given types having the same thread pitch and diameter, comprises a female thread (4) suitable for receiving one of the threads of the two male connectors and two first parts (6, 12) of two different sealing devices, one having a seal and the other being metal-on-metal, each compatible with one of said male connectors, each of a given type different to the other.
F16L 15/00 - Screw-threaded jointsForms of screw-threads for such joints
F16L 15/04 - Screw-threaded jointsForms of screw-threads for such joints with additional sealings
F16L 41/10 - Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of a wall or to the axis of another pipe the extremity of the pipe being screwed into the wall
9.
Compact and balanced regulator for delivering pressurized fluid
A compensated pressure regulator for fluid under pressure including a hollow body, at least one intake for a fluid at high pressure, at least one outlet for this fluid at low pressure, a mobile regulation piece which slides in a cylindrical bore, able to stop the intake of the fluid at high pressure, and such that it includes a piece of generally cylindrical form with two heads of which the two partial inner and opposing faces are of quasi-equal surface; these two partial inner faces, a part of a bore surrounding the piece in a seal-tight manner and a seal integral with this bore delimits a high-pressure chamber, and the piece with two heads and this bore being mobile in relation to one another, and the intake for the high-pressure fluid emerges laterally in this high-pressure chamber, which fluid transmits to the mobile regulation piece loads which are cancelled out.
Balanced regulator for pressurized fluid, comprising a hollow body, at least one inlet for a fluid at high pressure, at least one outlet for this fluid at low pressure, a movable regulator part which slides in a cylindrical bore and which is able to stop the inlet of the fluid at high pressure, and such that the regulator part has a cylindrical overall shape with two heads, the two opposite and internal partial faces of which have a virtually equal area. These two internal partial faces, a part of a bore surrounding said part in a sealed manner, and a seal secured to this bore delimit a high-pressure chamber, said two-headed part and this bore being able to move with respect to one another, and the inlet for high-pressure fluid leading laterally into this high-pressure chamber.
Inverted gas pressure regulator comprising at least one inlet duct (1) for admitting a gas at a pressure referred to as a high pressure, at least one outlet duct (2) for letting out this gas at a pressure referred to as low pressure from a downstream expansion chamber (5), a mobile regulator piece (3) against one side of which the low pressure presses and against the other side of which there presses a spring element (4) and which is able to close off the high pressure gas inlet (1), and upstream (6) and downstream (7) connectors able to connect and incorporate the pressure regulator to/into any gas circuit; according to the invention, said inlet (1) and outlet (2) ducts are each situated in the upstream (6) and downstream (7) connectors respectively, and these two connectors (1, 2), which are positioned coaxially, are able to connect the pressure regulator in-line to said circuit.
Head assembly for a reservoir for storing gas under pressure referred to as high pressure and able to be fixed directly and removably to such a reservoir (8), said head assembly comprising, incorporated into one and the same body, an inverted gas pressure regulator comprising at least one inlet duct (1) for admitting the high pressure gas directly from the reservoir, at least one outlet duct (2) for letting out this gas at a pressure referred to as low pressure from a downstream expansion chamber (5), a mobile regulator piece (3) against one side of which the low pressure presses and against the other side of which there presses a spring element (4), an upstream connector (6) able to be fixed moveably into or onto the neck (10) of said reservoir (8), a downstream connector (7) able to connect the reservoir head assembly to any device using the said gas at the low pressure, and a lateral filling device (22) to allow the reservoir (8) to be filled.
A pneumatic component for the controlled micro-diffusion of gas, intended to be fastened to a pressurized gas reservoir having an aerosol valve. The pneumatic component includes a hollow body whose inner portion has at least one upper chamber enclosed by a leaktight, moving shutter, and a fastening system designed to cooperate in a leaktight manner with the upper part of the container. At least one lower chamber of the pneumatic component is formed, once the component has been fastened to the container, between the shutter and the upper part of the container. The shutter bears against the valve, and a lateral orifice in communication with the lower chamber is designed to expel gases from the container to the outside of the pneumatic component.
B67D 7/00 - Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
14.
PNEUMATIC COMPONENT FOR THE CONTROLLED MICRO-DIFFUSION OF GAS
Pneumatic component for the controlled micro-diffusion of gas, intended to be fastened to a pressurised gas reservoir provided with an aerosol valve (3) and comprising: a hollow body (1) whose inner portion comprises at least one upper chamber (10) closed by a leaktight, moving shutter (20); a fastening system (9) designed to cooperate in a leaktight manner with the upper part of the container (2), at least one lower chamber (11) being formed, once the component has been fastened to the container (2), between the shutter (20) and said upper part of the container (2), and said shutter (20) bearing against said valve (3); and a lateral orifice (6) which communicates with the lower chamber (11) and is designed to expel gases from the container (2) to outside the component.
G05D 16/06 - Control of fluid pressure without auxiliary power the sensing element being a flexible member yielding to pressure, e.g. diaphragm, bellows, capsule
B65D 83/14 - Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
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