EP4189271A1 - Système pour raccorder un élément de guidage de fluide à un élément correspondant, élément adaptateur et boîtier adaptateur pour raccord de guidage de fluide et système adaptateur comprenant l'élément adaptateur et le boîtier adaptateur - Google Patents

Système pour raccorder un élément de guidage de fluide à un élément correspondant, élément adaptateur et boîtier adaptateur pour raccord de guidage de fluide et système adaptateur comprenant l'élément adaptateur et le boîtier adaptateur

Info

Publication number
EP4189271A1
EP4189271A1 EP21751811.7A EP21751811A EP4189271A1 EP 4189271 A1 EP4189271 A1 EP 4189271A1 EP 21751811 A EP21751811 A EP 21751811A EP 4189271 A1 EP4189271 A1 EP 4189271A1
Authority
EP
European Patent Office
Prior art keywords
seal
adapter
fluid channel
fluid
counterpart
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.)
Pending
Application number
EP21751811.7A
Other languages
German (de)
English (en)
Inventor
Jan Andreas
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.)
Argo GmbH
Original Assignee
Argo GmbH
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 Argo GmbH filed Critical Argo GmbH
Publication of EP4189271A1 publication Critical patent/EP4189271A1/fr
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • F16K1/38—Valve members of conical shape
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/006—Screw-threaded joints; Forms of screw-threads for such joints with straight threads
    • F16L15/008—Screw-threaded joints; Forms of screw-threads for such joints with straight threads with sealing rings
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L29/00—Joints with fluid cut-off means
    • F16L29/02—Joints with fluid cut-off means with a cut-off device in one of the two pipe ends, the cut-off device being automatically opened when the coupling is applied
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/008—Branching pipes; Joining pipes to walls for connecting a measuring instrument
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
    • F16L41/16—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe the branch pipe comprising fluid cut-off means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/32—Hydrogen storage

Definitions

  • the present invention relates to a system, an adapter element, an adapter housing and an adapter system having the adapter element and the adapter housing, all of which are designed to provide a flow-carrying or fluid-carrying, in particular gas-carrying, connection between an element, such as a sensor or a system connection, and a counterpart, such as a component selected from the group: pressure vessel, valve, valve group, valve block and the like to produce. Furthermore, the present invention relates to a method for connecting an element to a counterpart in a flow-carrying or fluid-carrying, in particular gas-carrying manner.
  • a pressure sensor for detecting the pressure present in the high-pressure container is connected to a component (counterpart) such as an in-tank valve (“On-Tank-Val ve (OTV)”) or a gas handling device (GHU) or screwed directly into the high-pressure tank or gas pressure accumulator
  • the pressure sensor can also be connected to other gas-carrying components which are directly connected to the high-pressure tank
  • sealing elements are typically used, which seal the connection point between the element (pressure sensor) and the counterpart (component). This also applies in particular to high-pressure applications, such as line elements for compressed natural gases or for compressed hydrogen. Appropriate sealing elements, which offer the hydrogen a high diffusion resistance, are of crucial importance, particularly when sealing hydrogen.
  • components such as pressure sensors, pressure indicators, temperature sensors and many other components that are installed in hydrogen supply systems must be regularly checked and dismantled.
  • high-pressure systems with a pressure of 700 bar and more to drain the components connected to the component to be removed, such as valve blocks or lines.
  • the component (counterpart) must be gas-free and secured in such a way that under no circumstances can a large quantity of hydrogen escape from the system.
  • the high-pressure sensors in particular have to be changed annually.
  • the pressure sensors are bolted directly onto the high-pressure vessel, which means they must be completely drained before the high-pressure sensor can be removed.
  • US Pat. No. 5,528,941 A describes a pressure sensor 10 which can be connected to a fuel tank 40 by means of an adapter.
  • the adapter has a housing 4 and a chamber 11 for accommodating the sensor.
  • the housing 4 is sealed in the fuel tank 40 by means of an O-ring seal 5 .
  • the pressure sensor 10 is also fastened and sealed in a cylindrical recess 12 by means of a sealing ring.
  • a direct connection to the interior of the fuel tank 40 is created, which is why it must be completely emptied before the pressure sensor 10 is released.
  • an object of the present Invention consists in providing a system, an adapter element, an adapter housing, an adapter system having the adapter element and the adapter housing, and a method which are able, on the one hand, to allow the element to be dismantled from the counterpart (component), without, for example, dismantling of the pressure present in the counterpart (emptying) and on the other hand the problems described above such as hydrogen embrittlement, the occurrence of leaks caused by temperature and voltage changes and vibrations, must be taken into account.
  • one of the basic ideas of the present invention is to create a system for the flow-carrying or fluid-carrying connection/connection of an element to a/with a counterpart, which has two seals that flow in an outflow direction of a fluid, in particular a gas, from the counterpart are arranged one behind the other in a fluid channel which connects the element to the counterpart in a flow-carrying or fluid-carrying manner, in particular gas-carrying, wherein the first seal is formed from a valve body and a first sealing element, the valve body being set up for this purpose is to be adjusted or movable between an open position in which a fluid, in particular gas, can flow through the fluid channel and a closed position in which no fluid can flow through the channel.
  • the second seal which is arranged in the outflow direction of the fluid flowing/outflowing through the fluid duct, downstream of the first seal in the fluid duct, is set up to seal a connection area between the fluid duct and the element, in particular to seal it gas-tight, with the second seal so is designed so that when connecting / connecting the element to / with the counterpart, it seals the connection area before the first seal can / is mechanically adjusted or moved to the open position.
  • a system can be provided which, on the one hand, can ensure that before a seal (first seal), which seals a counterpart, in particular a component, is released or is opened, an additional or further seal (second seal) can be realized between the same components, which an outflow of the existing in the counterpart, for example stored, gas when loosening or. Prevents or opens the first seal to the environment. minimized, and on the other hand components of the system, in particular seals, against contact with the fluid, in particular hydrogen, and the associated aging of the material, in particular hydrogen embrittlement, protects.
  • the minimization of the escaping fluid, in particular gas, when making or breaking the connection between the element and the counterpart, in particular component is extremely advantageous, in particular in the field of explosion protection.
  • outflowing fluid is arranged downstream of the first seal in the fluid channel and is set up to seal a connection area between the fluid channel and the element, in particular to seal it in a gas-tight manner, the second seal being designed in such a way that when the element is connected or connected to the or seals the connection area with the counterpart before the first seal can be adjusted or moved into the open position or is, in particular mechanically adjusted or moved into the open fnete position or. will .
  • the term "interaction" is to be understood as meaning that the valve body can be brought into contact with the first sealing element, in particular a gas-tight contact, by allowing the valve body to move relative to the first valve element, in particular a translational movement, in particular a gas-tight contact the first seal can be brought into the closed position in which no fluid, in particular gas, can flow through the first seal and thus the fluid channel 11.
  • the first seal can be brought into the open state in which the fluid can flow through the first seal and the fluid channel.
  • the "outflow direction" describes a direction in which the fluid, in particular the gas, flows from the counterpart, in particular component in which it is under pressure, to the element, in particular the sensor or the system connection, when the first Seal is brought into the open position
  • the system connection be designed as a quick coupling, which makes it possible to easily connect the high-pressure accumulator(s) to a fuel cell system without hydrogen escaping when the high-pressure accumulator(s) is/are connected to the system fuel cell system or from the quick coupling g out .
  • valve body in connection with “can be brought into the open position” describes that the valve body is moved into the open position by a mechanically initiated movement, for example by contact with a plunger (approach of the element). can be or will .
  • first seal and / or the second seal in particular the first sealing element and / or the second sealing element, as a radial seal, an elastic seal, an O-ring, a delta ring, a liquid seal, a metallic seal and the like, wherein in particular the second seal is preferably formed between an outer surface of the element and an inner surface of the fluid channel.
  • second seal in particular a sealing element (second sealing element) of the second seal is provided on the inner surface of the fluid channel or the outer surface of the element, as long as this achieves a sealing effect between the inner surface of the fluid channel and the outer surface of the element.
  • valve body is set up to be brought into contact with a valve seat formed on the first sealing element, in particular to be brought into gas-tight contact, with the valve seat preferably being in the form of a tapering surface, in particular a cone shaped surface is formed.
  • a seal formed in this way is also called a "metallic seal”.
  • a "metallic seal” means that two elements made of metal are pressed against each other under the influence of force, so that a fluid-tight connection is established between the two elements.
  • a ring-shaped contact surface is usually established between the two elements, within which the fluid to be sealed, in particular gas, can flow through if the seal is in the open state.
  • the valve body can be set up to dip into the first sealing element, which is designed, for example, as a radial seal, in particular an O-ring, and thereby to close the fluid channel. If the first seal is to be opened, the valve body must preferably be pushed out of or pushed out of the first sealing element by an adapter body of an adapter element of the element. be pressed . Furthermore, it is advantageous if the valve body has an at least partially conical shape, rounded shape, spherical shape, spherical shape, in particular on an end face which is designed to be brought into contact with a valve seat of the first sealing element.
  • valve body and the valve seat are designed in such a way that an annular contact surface is formed, with a central axis of the valve seat and a central axis of the valve body being arranged parallel to one another, in particular coaxially to one another, and the valve body being arranged parallel to the two central axes, in particular in a mounting direction (opposite to the outflow direction), is displaceable.
  • a shoulder is formed in the fluid channel, in particular a ring-shaped shoulder, which is set up to accommodate or support the first sealing element, which is preferably ring-shaped.
  • the shoulder forms a stop against which the first sealing element can be fixed and/or pressed, with the sealing element preferably being able to be pressed against the shoulder by a clamping element.
  • the clamping element is designed in the form of a clamping nut with an external thread.
  • the clamping element has an external thread, with which the clamping element can be placed against the first sealing element, whereby the first sealing element can be pressed against the shoulder, and/or a partial area of the fluid channel extends through the clamping element, in particular in the middle this extends, with the connection area in particular being formed within the partial area of the fluid channel.
  • the element has a shoulder, which is preferably cylindrical and is designed to be insertable into the fluid channel, with a distance from an end face of the shoulder, which is designed to be in contact with the valve body to come or to be brought up to a second sealing element of the second seal, which is arranged on an outer surface of the extension, is set such that the second sealing element of the second seal seals the connection area between the fluid channel and the outer surface, in particular seals it gas-tight before the end face , In particular when connecting or connecting the element to or with the counterpart, comes into contact with the valve body or. is brought .
  • the clamping element and the first sealing element have a sealing surface on the respective end faces facing one another, which produce or maintain gas-tight contact when the clamping element is pressed against the first sealing element. form .
  • valve body is pretensioned by means of a spring element, in particular a spring, against the first sealing element, in particular the valve seat formed therein.
  • valve body is accommodated and mounted in a recess so that it can move, in particular in a translatory manner, and the spring element is provided in a bottom area of the recess, with at least the bottom area being covered by a third seal, which is preferably on an outer surface of the valve body or an inner surface of the recess against which fluid flowing through the fluid channel is sealed.
  • the element has an adapter body which is designed to fit into the Counterpart, in particular an adapter housing, to be screwed in by means of an external thread or to be inserted into the counterpart, in particular the adapter housing and to be fastened to it by means of at least one fastening means, in particular several screws, with on a side of the adapter body facing the counterpart, in particular in the built-in or . mounted state, the approach is formed.
  • the system in particular the element or the adapter body of the element, is set up to carry out a purely translatory movement, in particular in the assembly direction, when the connection is made gas-tight between the element, in particular the adapter body, and the counterpart.
  • the system can be designed in such a way that no relative rotary movement of the element or of the adapter body to the counterpart takes place or. necessary is .
  • This simplifies assembly particularly in the case of long line elements provided with several bends. This represents a major advantage over known screw connections, which in most cases are screwed into a counterpart via an external thread.
  • the element in particular the adapter body, can advantageously be provided with at least two, preferably four, through-holes for receiving fastening screws, the through-holes being preferably provided on a flange attachment of the element, in particular the adapter body, and the through-holes or the fastening screws are preferably arranged behind the two seals in the outflow direction of the fluid.
  • the adapter body can be formed with an (internal) fluid channel, which in When the element is screwed in or inserted into the counterpart, it is fluidically or fluid-carrying, in particular gas-carrying, connected to the fluid channel, which is preferably at least partially formed in the counterpart, the fluid channel of the adapter body preferably being at least one laterally on the outer surface of the element, in particular of the adapter body, provided opening (borehole) via which the fluid channel in particular with the fluid channel (412) fluidically or fluid-carrying, in particular gas-carrying, is connected.
  • the adapter body also has a fourth seal, which is arranged downstream of the first seal and the second seal in the outflow direction and is designed to seal between an outer surface of the adapter body (element ) and an inner surface of the fluid channel , in particular to be sealed in a gas-tight manner.
  • the element and the adapter body are integrally formed or the adapter body is part of an adapter element, in which the element can be used in a gas-tight manner in order to conduct flow or fluid, in particular gas, to or with the counterpart or to be connectable, in particular to one or integrated into the counterpart or. built-in adapter housing to be connectable or connectable.
  • an adapter element for the flow-carrying or fluid-carrying, in particular gas-carrying, connection or connection of an element, in particular a sensor or a system connection, to or with a counterpart, in particular on or with a component from the group : pressure vessel, valve, valve group, valve block and the like, preferred for use in the above system described, have: an adapter body, which is set up to be screwed into the counterpart by means of an external thread or inserted into the counterpart and to be fastened to it by means of at least one fastening means, preferably a plurality of screws, an attachment which is set up to to be inserted into a fluid channel formed in the counterpart and to be brought into contact with a valve body of a first seal arranged in the fluid channel in order to bring the first seal into an open position in which a fluid, in particular a gas, can flow through the Fluid channel can flow into the element, and a second seal, which is arranged in an outflow direction of the fluid flowing or flowing out through the fluid
  • the second seal in particular a second sealing element, is designed as a radial seal, an elastic seal, an O-ring, a delta ring, a liquid seal, a metallic seal and the like, in particular between an outer surface of the Adapter body and an inner surface of the fluid channel.
  • the second sealing element is preferably formed on the outer surface of the adapter body or the inner surface of the fluid channel.
  • the second seal is designed as a metallic seal or an oscillating seal, with a preferably being on the adapter body Valve body area is formed, which at least partially has a conical shape, rounded shape, spherical shape or ball-shaped shape, and is set up with a second valve seat provided in the counterpart, in particular in the adapter housing or in the clamping element, which preferably has a tapering shape, in particular conical shape, to be brought into contact, in particular gas-tight contact.
  • valve body of the second seal is pressed against the valve seat formed in the counterpart via a screw connection, in particular at least two, preferably four, clamping screws.
  • a device or screw connection can be implemented in which a relatively exact pressing of the valve body against the valve seat can be implemented with a specified tightening torque of the clamping screws, so that a sealing contact of the corresponding elements can be ensured over a large temperature range, and over the The tightening torques applied can be logged and thus certified.
  • valve body and/or the valve seat is made of a metal, in particular a steel material, preferably a stainless steel material, with the valve seat preferably being made of a harder material than the valve body.
  • valve seat is made of a harder material than the valve body, it can be ensured that in the event of a possible plastic deformation when the valve body is pressed against or into the valve seat, the valve body is plastically deformed, which can be easily replaced. Furthermore, it is advantageous if a distance from an end face of the extension of the adapter element, which is designed to come into contact with the valve body, to a second sealing element of the second seal is set or selected in such a way that the second sealing element of the second seal seals the connection area between the fluid channel and the outer surface, in particular seals it gas-tight, before the end face (when connecting or connecting the element, in particular the adapter element, to or with the counterpart) comes into contact with the valve body.
  • the adapter element is integrated into the element, in particular the sensor or the system connection, preferably integrated in one piece.
  • the present invention relates to an adapter housing, in particular an adapter housing that can be integrated into a counterpart, for the flow-carrying or fluid-carrying connection or connection of an element, in particular a sensor or a system connection, to or with a counterpart, in particular a component selected from the Group: pressure vessel, valve, valve group, valve block and the like, preferably for use in the system described above, comprising: a first seal, consisting of a valve body and a first sealing element, which is in a fluid channel, which in particular carries the element flow or fluid, in particular gas-carrying, is connected to the counterpart, the valve body being set up, through interaction with the sealing element, between an open position, in which a fluid, in particular gas, can flow through the fluid channel, and a closed position, in i.e no fluid, in particular gas, can flow through the fluid channel, be adjusted or moved and a second seal, which is arranged in an outflow direction of the fluid flowing or flowing out through the fluid channel, downstream of the first seal in the fluid
  • valve body is set up to contact an attachment or Plunger, in particular with an end face of the attachment of the element, being adjustable or movable between the closed position and the open position.
  • valve body is subjected to a force against the first seal by a spring element, in particular a spring, as a result of which the valve body is urged into the closed position of the first seal.
  • the adapter housing is integrally formed with the counterpart, in particular the component selected from the group: pressure vessel, valve, valve group, valve block and the like, in particular is formed in one piece.
  • the present invention relates to an adapter system for the flow-carrying or fluid-carrying connection or connection of an element, in particular a sensor or a system connection, to or with a counterpart, in particular a component selected from the group: pressure vessel, valve, valve group, valve block and the like, comprising: the adapter element described above and the adapter housing described above, wherein the The adapter element and the adapter housing are designed as a functional group that can be arranged to conduct flow or fluid between the element and the counterpart and can preferably each be connected (gastightly) to the element or the counterpart, in particular screwed.
  • the system according to the invention for the flow-carrying or fluid-carrying, in particular gas-carrying, connection of an element to a counterpart enables a contact point or connection point to be reliably sealed when the element is detached from the counterpart by means of a simple and cost-effective design. Furthermore, the system advantageously enables logging and certification. It is therefore particularly suitable for connecting elements such as sensors and system connections in systems in which hydrogen, in particular compressed hydrogen, or compressed natural gas is used. Such systems, which are exposed to particularly high temperature fluctuations, voltage fluctuations and vibrations, are found in particular in vehicles in which, for example, hydrogen at pressures of 700 bar and more or natural gas at typically 260 bar as fuel or fuel for driving the vehicle, for example via a Fuel cell is used.
  • a vehicle or “means of transport” or other similar terms such as motor vehicles in general, such as passenger automobiles including Sports Utility Vehicles (SUV), buses, trucks, various commercial vehicles, watercraft including various boats and ships, airplanes , flying drones and the like, hybrid vehicles, electric vehicles, plug-in hybrid electric vehicles, hydrogen vehicles and other alternative vehicles.
  • a hybrid vehicle is a vehicle having two or several energy carriers, for example petrol-powered and electrically powered vehicles at the same time.
  • the present invention relates to a method for the flow-carrying or fluid-carrying, in particular gas-carrying, connection of an element, in particular a sensor or a system connection, with a counterpart, in particular with a component selected from the group: pressure vessel, valve, valve group, Valve block and the like, preferably using the system described above or the adapter system described above, comprising:
  • Opening or releasing the first seal preferably by bringing a valve body of the first seal out of engagement or contact with a first sealing element of the first seal, the sealing effect of the second seal being established between the fluid channel and the element before opening or Solving the first seal is allowed, in particular is mechanically enabled.
  • opening of the first seal is prevented until the second seal closes the fluid channel against the fluid channel to be connected to the counterpart or. connecting element , thereby preventing the fluid under pressure in the counterpart 300 from escaping to the environment .
  • the system, the adapter element, the adapter housing and the adapter system for the flow-guiding or fluid-guiding connection of an element with a counterpart can be used for the described method for the flow-guiding or fluid-guiding connection of an element with a counterpart. Therefore, the additional features that have been disclosed in connection with the above description of the device can also be applied to the method. The same applies vice versa for the procedure.
  • Fig. 1 schematically shows a known connection for a pressure sensor in a fuel tank
  • Fig. 2 shows a schematic of an embodiment of a system according to the invention for the flow-guiding or fluid-guiding connection of an element to a counterpart in the open state
  • FIG. 3 shows schematically the embodiment shown in FIG
  • Fig. 4 shows a schematic of an embodiment of an adapter element according to the invention for the flow-guiding or fluid-guiding connection of an element to a counterpart
  • Fig. 5 shows a schematic of an embodiment of an adapter housing according to the invention for the flow-leading or fluidly connecting an element to a counterpart in the closed state
  • Fig. 6 shows a schematic of a second embodiment of a system according to the invention for the flow-guiding or fluid-guiding connection of an element with a counterpart in the open state.
  • FIG. 1 schematically shows a known connection for a pressure sensor 10 in a fuel tank 40 .
  • the connection described is mounted on a base plate 1 of a fuel tank 40 in an automobile.
  • the base plate 1 is used to close an opening in the fuel tank 40 and is provided with a connector mounting hole 2 .
  • a metal sleeve 3 is fitted and welded o. uh . attached to it.
  • a connection housing 4 is fitted into the sleeve 3 in a sealing manner by means of an O-ring 5 .
  • the terminal housing 4 consists of a synthetic resin material and is provided with an upper terminal opening 6 on an upper side surface and with a lower terminal opening 7 on a lower end surface, which are used for receiving another terminal.
  • the pressure sensor 10 is embedded in an upper area of the connection housing 4 and behind the upper connection opening 6 . Further, the pressure sensor 10 is provided on the underside with a pressure detecting portion 10a protruding downward.
  • an accommodation chamber 11 for accommodating the pressure sensor 10 is formed in the upper portion of the terminal housing 4 .
  • a larger-diameter passage 12 for receiving the detecting part 10a of the pressure sensor 10 is in formed in a bottom area of the connection housing 4 .
  • a smaller-diameter passage 14 for introducing the internal pressure in the fuel tank 40 into the detecting part 10a of the pressure sensor 10 is also formed in the bottom portion and extends from a lower end of the larger-diameter passage 12 to a lower surface of the bottom portion.
  • An O-ring 8 is provided to seal the pressure sensor 10 in the passage 12 with a larger diameter.
  • FIG. 2 schematically shows an embodiment of a system 100 according to the invention for the flow-guiding or fluid-guiding connection of an element 200 with a counterpart 300, the system being in the open state or shown in the connected state.
  • the element 200 can be a sensor, in particular a pressure sensor, for example, which is to be connected to a counterpart such as a valve block (e.g. gas handling device (GHU)).
  • GHU gas handling device
  • the element 200 in particular the pressure sensor, can be connected to a flow-carrying or fluid-carrying, in particular gas-carrying, line or Components within the counterpart 300, in particular the valve block, are connected.
  • the fluid channel 301 thus makes it possible for a pressure present in the valve block, for example, or in a component communicating with the valve block, to be determined by means of the pressure sensor.
  • the first sealing element 102 is designed as a disk, in the center of which a through hole is provided, which forms part of the fluid channel 301 . Furthermore, the disk is formed with a valve seat 102a, which in particular surrounds the through hole and which is set up to come into contact with the valve body 101 in order to implement a fluid-tight, in particular gas-tight, closure. As can be seen from FIG. 2, the valve seat 102a tapers towards the through-bore, this being preferably designed in the shape of a cone.
  • the fluid duct 301 is designed with an annular shoulder 303, which protrudes inwards into the fluid duct 301 and is designed to separate the first sealing element 102 from the left side (in Fig. 2).
  • the extension 300 is arranged in front of the first sealing element 102 .
  • the fluid channel 301 is provided with an internal thread, into which a tensioning element 103 is screwed by means of an external thread 103a.
  • the clamping element 103 is used for pressing of the sealing element 102 against the projection 303, whereby on the one hand the first sealing element 102 can be spatially fixed and on the other hand a gas-tight contact can be realized between the first sealing element 102 and the tensioning element 103.
  • the first sealing element 102 and the tensioning element 103 preferably each have flat, abutting contact surfaces.
  • the tensioning element 103 also has a central through-bore which is aligned with the through-bore of the first sealing element 102 and correspondingly also has a part or Area of the fluid channel 301 forms.
  • the valve body 101 has a mushroom-shaped shape, with a head side of the valve body 101 which faces the first sealing element 102 being cone-shaped.
  • the cone-shaped end face 101a of the valve body 101 is truncated.
  • the valve body 101 has a truncated cone shape with a flat stop surface.
  • the valve body 101 is accommodated in a recess 304, which is formed in the counterpart 300, the valve body 101 being accommodated in the recess 304 in particular in such a way that it has an axial or can lead to translational movement, in particular in the direction of the first sealing element 102 .
  • a spring 104 in particular a compression spring, is provided in a bottom region 304a of the recess 304 and acts against the valve body 101 .
  • valve body 101 By the spring 104, the valve body 101 is biased against the first sealing element 102, whereby the valve body 101 is urged by the spring 104 in a closed state in which the valve body 101 with the first sealing element 102 in a fluid-tight, in particular gas-tight, state in which no fluid, in particular gas, can flow through the fluid channel 301.
  • This state is shown in particular in FIG.
  • an adapter element 400 which can be part of element 200, or is a separate adapter element, which is fluid-tight or fluid-tight with element 200, in particular the pressure sensor. is connected in a gas-tight manner, is introduced into the fluid channel 301 .
  • the adapter element 400 has an external thread 411 with which it can be screwed into the counterpart 300 , in particular into the fluid channel 301 .
  • the adapter element 400 is provided with a projection 402 or Contact element (plunger) is provided, which is formed on a side of the adapter element 400 facing the counterpart 300 .
  • the adapter element 400 is already completely screwed into the counterpart 300 and a blunt end face 403 of the projection 402 is in contact with the blunt end face of the valve body 101 .
  • the adapter element 400 migrates in an installation direction E (assembly direction) deeper into the counterpart 300, in particular the fluid channel 301, whereby the valve body is pressed against the spring 104 into an open position. in which the fluid, in particular the gas , can flow through the fluid channel 301 into the element 200, as illustrated by the arrow A.
  • the adapter element 400 is designed to be hollow.
  • the system 100 additionally has a second seal 120 which is arranged downstream of the first seal 110 in the fluid channel 301 in the outflow direction A of the fluid flowing or flowing out through the fluid channel.
  • the second seal 120 is designed in such a way that it seals off a connection region 302 between the fluid channel 301 and the element 200 , in particular in a gas-tight manner.
  • the connection area 302 is to be understood here as an area in which an inner surface 301a of the fluid channel 301 comes into contact with an outer surface 401 of the attachment 402 of the adapter element 400 .
  • the second seal 120 in particular a second sealing element 121 of the second seal 120 , is in the form of an O-ring which is accommodated in a groove or a shoulder of the adapter element 400 .
  • the connection area 302 is arranged such that it lies within the clamping element 103 .
  • FIG. 3 now shows schematically the embodiment shown in FIG. 2 of a system 100 according to the invention for the flow-guiding or fluid-guiding connection of an element to a counterpart, with the first seal 101 being in the closed state.
  • the adapter element 400 is slowly pulled out of the counterpart 300 or unscrewed, the valve body 101 again comes into contact with the first sealing element 102 , as a result of which the fluid channel 301 is closed.
  • the second seal 120 is designed in such a way that, when the element 200 is detached from the counterpart 300, it seals the connection area 302 at least until the first seal is adjusted or moved into the closed position.
  • the second seal 120 is designed such that when the element 200 is connected to the counterpart 300, it seals the connection area before the first seal is adjusted or moved to the open position.
  • a distance D from the end face 403 of the extension 402 to the second sealing element 121 of the second seal 120 is set such that the second sealing element 121 seals the connection area 302 between the fluid channel 301 and the outer surface 401 before the end face 403 of the element 200 the valve body 101, in particular its blunt end face, comes into contact, which ensures that the second seal 120 seals before the first seal 110 opens or opens. is brought into a non-sealing state. In other words, before the valve body 101 is lifted off the valve seat 102a against the spring 104.
  • a third seal 130 is provided in the recess 304, which seals the recess 304 against the fluid flowing through the fluid channel 301, thereby preventing the fluid from having a harmful effect, such as hydrogen embrittlement the spring element 104 can be avoided.
  • the adapter element 400 in particular an adapter body 410 of the adapter element 400 , has a fourth seal.
  • a fourth sealing element 141 of the fourth seal 140 is also designed as an O-ring, which between an outer surface of the adapter body 410 (outer surface of the adapter element) and the fluid channel 301 gas-tight seal realized, whereby the gas-tightness of the system 100 can be further improved.
  • the fluid channel 301 in the counterpart 300 is at least partially asymmetrical or is not arranged in alignment with the recess 304 for the valve body 101 .
  • This special arrangement and the fact that the third seal 130 seals the receiving area of the valve body 101 within the recess 304 against the gas flowing through the fluid channel 301 lead to the advantage that the inherent pressure of the fluid or gas does not act on the underside of the valve body 101 , as a result of which a pressure force required to open the first seal 110 can be reduced by the adapter element 400 .
  • an annular surface of the valve body 101, which faces away from the valve seat 102a, is kept minimal, whereby the pressure force required to open the first seal 110 can also be further reduced, since there is an attack surface the inherent pressure of the fluid or Gas is minimized.
  • the counterpart 300 is provided with a test channel 310, which connects the recess 304 to the environment, as a result of which a fluid which may be leaking through the third seal 130 can be drained off at regular time intervals.
  • FIG. 4 schematically shows an embodiment of an adapter element 400 according to the invention for the flow-guiding or fluid-guiding connection of an element 200 to a counterpart 300 .
  • the adapter element 400 shown has an adapter body 410 which has an elongated cylindrical shape and is provided on an outer surface 201 with an external thread 411 with which the adapter element 400 can be screwed into the counterpart 300 .
  • the adapter element 400 can be integrated into the element 200, in particular the sensor, or as one separate component can be formed, which can be connected to the element 200 in a gas-tight manner.
  • the adapter element 400 in particular the adapter body, has a projection 402, which also has an elongated cylindrical shape and is set up to be inserted or inserted into a fluid channel 301 formed in the counterpart 300. to be usable.
  • a sealing element 121 (second sealing element) of a seal 120 (second seal) is also provided on the outer surface 401 of the extension 402, which serves to create a gas-tight seal between the adapter element 400 and the counterpart 300 when it is inserted Fluid channel 301 , in particular a connection area 302 provided in the fluid channel 301 , and the outer surface 401 of the attachment 402 .
  • the adapter body 410 is provided with a fluid channel 412 which runs centrally through the adapter body 410 and is set up to connect the element 200 connected to the adapter body 410 to the counterpart 300 in a flow-conducting manner.
  • a hole is provided on the outer surface 401 of the projection 402, which connects the internal fluid channel 412 to the fluid channel 301 formed in the counterpart.
  • several bores can also be arranged on the outer surface 401 of the extension 402 .
  • the attachment 402 has a flat end face 403, which is designed to be brought into contact with a valve body 101 of a first seal 110, which is provided in the fluid channel 301 of the counterpart 300. to bring the first seal 110 into an open position in which a fluid can flow through the fluid channel 301 from the counterpart 300 to the element 200 .
  • the second sealing element 121 is arranged on the adapter body 410 in such a way that when the adapter element 400 is screwed into the Counterpart 300, the second seal 120 is a fluid-tight or. forms a gas-tight seal between the adapter element 400 and the counterpart 300 before the end face 403 of the adapter body 410 comes into contact with the valve body 101 and thereby brings the first seal 110 into the open position.
  • FIG. 5 schematically shows an embodiment of an adapter housing 500 according to the invention for the flow-guiding or fluid-guiding connection of an element 200 with a counterpart 300, the adapter housing being in a closed position or in a closed position. condition is shown.
  • the adapter housing 500 shown in FIG. 5 essentially corresponds to the counterpart 300 shown in FIGS. Accordingly, on the one hand there is the possibility of integrating the adapter housing 500 directly into the counterpart 300, or of performing this as a separate component which is fluid-tight or gas-tight can be connected to the counterpart 300.
  • the adapter housing 500 is integrated directly into the counterpart 300 .
  • the adapter housing 500 is provided with the fluid channel 301 , the recess 304 and an internal thread.
  • the valve body 101 of the first seal 110 is accommodated in the recess 304 in such a way that it can move in a translatory manner in the insertion direction E of the adapter element 400 .
  • an approach 303 is provided in the fluid channel 301, which as s stop or. Stopper for the first sealing element, which in the embodiment shown is designed as a disk with a valve seat 102a.
  • the valve body 101 is prestressed against the first sealing element 102 by a spring 104 , as a result of which the first sealing element 102 is closed in the non-actuated state.
  • the first sealing element 102 is fixed in the adapter housing 500 by a clamping element 103 .
  • a third seal 130 is provided in the adapter housing 500, which is designed as an O-ring and serves to seal the recess 304 against the fluid flowing through the fluid channel 301 .
  • FIG. 6 schematically shows a second embodiment of a system 100 according to the invention for the flow-guiding or fluid-guiding connection of an element 200 to a counterpart 300, with the system 100 being shown in the open state.
  • the second embodiment essentially has the same parts/components.
  • the first seal 110 is not designed in the form of a metallic seal as in the first embodiment, but as an elastic seal with a first sealing element 102 in the form of an O-ring.
  • the valve body 101 dips into the O-ring 102 and thus closes the fluid channel 301 .
  • the O-ring 102 is supported in the fluid channel 301 by a support ring 105 and fixed by a clamping element 103 .
  • the clamping element 103 also serves as a support element for the O-ring 102 . If the adapter element 400, in particular the extension 402 of the adapter body 410, is inserted into the counterpart 300, in particular the adapter housing 500, the extension 402 of the adapter body 410 penetrates into the O-ring 102, as a result of which the valve body 101 moves against the spring force of the spring 104 is pushed out of the O-ring 102, whereby the first seal 110 is brought into the open position and thus a fluid can flow from the counterpart 300 into the element 200.
  • this embodiment is also provided with a second seal 120, which seals the fluid channel 301 against the adapter element 400 when the element 200 is connected to the counterpart 300, before the first seal 110 is brought into the open position will .
  • valve body 100 system (coupling system) 101 valve body

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Valve Housings (AREA)
  • Check Valves (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

La présente invention concerne un système (100) pour raccorder un élément de guidage d'écoulement ou de guidage de fluide (200) à un élément correspondant (300), comprenant : un premier joint d'étanchéité (110), constitué d'un corps de vanne (101) et d'un premier élément d'étanchéité (102) qui est agencé dans un canal de fluide (301), le corps de vanne (101) étant conçu pour pouvoir être déplacé ou être mobile en interagissant avec l'élément d'étanchéité (102), entre une position ouverte, dans laquelle un fluide, plus particulièrement un gaz, peut s'écouler à travers le canal de fluide (301), et une position fermée dans laquelle aucun fluide, plus particulièrement un gaz, ne peut s'écouler à travers le canal de fluide (301) ; et un second joint d'étanchéité (120), agencé en aval du premier joint d'étanchéité (110) dans le canal de fluide (301) dans une direction d'écoulement A du fluide s'écoulant à travers ou hors du canal de fluide (301), et qui est conçu pour étanchéifier une région de raccord (302) entre le canal de fluide (301) et l'élément (200), plus particulièrement pour l'étanchéifier de manière étanche aux gaz, le second joint d'étanchéité (120) étant conçu de sorte que, lorsque l'élément (200) est raccordé à l'élément correspondant (300), le second joint d'étanchéité étanchéifie la zone de raccord (302) avant que le premier joint d'étanchéité (110) puisse être déplacé ou soit déplacé mécaniquement dans la position ouverte.
EP21751811.7A 2020-08-03 2021-07-29 Système pour raccorder un élément de guidage de fluide à un élément correspondant, élément adaptateur et boîtier adaptateur pour raccord de guidage de fluide et système adaptateur comprenant l'élément adaptateur et le boîtier adaptateur Pending EP4189271A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020209735.6A DE102020209735A1 (de) 2020-08-03 2020-08-03 System zum fluidführenden Verbinden eines Elements mit einem Gegenstück, Adapterelement sowie Adaptergehäuse zum fluidführenden Verbinden sowie Adaptersystem aufweisend das Adapterelement sowie das Adaptergehäuse
PCT/EP2021/071272 WO2022029004A1 (fr) 2020-08-03 2021-07-29 Système pour raccorder un élément de guidage de fluide à un élément correspondant, élément adaptateur et boîtier adaptateur pour raccord de guidage de fluide et système adaptateur comprenant l'élément adaptateur et le boîtier adaptateur

Publications (1)

Publication Number Publication Date
EP4189271A1 true EP4189271A1 (fr) 2023-06-07

Family

ID=77249834

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21751811.7A Pending EP4189271A1 (fr) 2020-08-03 2021-07-29 Système pour raccorder un élément de guidage de fluide à un élément correspondant, élément adaptateur et boîtier adaptateur pour raccord de guidage de fluide et système adaptateur comprenant l'élément adaptateur et le boîtier adaptateur

Country Status (9)

Country Link
US (1) US20230304619A1 (fr)
EP (1) EP4189271A1 (fr)
JP (1) JP2023536493A (fr)
KR (1) KR20230044014A (fr)
CN (2) CN114060728A (fr)
AU (1) AU2021322850A1 (fr)
BR (1) BR112023001732A2 (fr)
DE (1) DE102020209735A1 (fr)
WO (1) WO2022029004A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022201024A1 (de) 2022-02-01 2023-08-03 Robert Bosch Gesellschaft mit beschränkter Haftung Brennstoffzellenvorrichtung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE666945C (de) * 1934-02-08 1938-11-01 Julius Pintsch Kom Ges Gasflaschenrueckschlagventil
DE2532220A1 (de) * 1975-07-18 1977-02-03 Hydrotechnik Gmbh Kupplung zum herstellen eines anschlusses an ein unter druck stehendes system
DE2756084C3 (de) 1977-12-16 1980-06-26 Hydrotechnik Gmbh, 6052 Muehlheim Schraubsicherung
DE8329624U1 (de) 1983-10-13 1984-04-05 Fa. Raico, 39100 Bozen Dichtungskombination fuer schraub- oder steckkupplungen
DE4132690A1 (de) * 1991-10-01 1993-04-08 Hydrotechnik Gmbh Ventil- und messkupplung
JPH0679073U (ja) 1993-04-14 1994-11-04 住友電装株式会社 燃料タンク用コネクタ
DE19512708A1 (de) 1995-04-08 1996-10-10 Az Industriebedarf Gmbh Ventilkupplung
DE202011004779U1 (de) 2011-04-01 2011-06-09 Voswinkel Entwicklungs- und Verwaltungs-GmbH & Co. KG, 58540 Schnellkupplung für Hydraulik-Druckleitungen

Also Published As

Publication number Publication date
US20230304619A1 (en) 2023-09-28
JP2023536493A (ja) 2023-08-25
DE102020209735A1 (de) 2022-02-03
WO2022029004A1 (fr) 2022-02-10
BR112023001732A2 (pt) 2023-03-07
CN216081868U (zh) 2022-03-18
CN114060728A (zh) 2022-02-18
AU2021322850A1 (en) 2023-04-06
KR20230044014A (ko) 2023-03-31

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