WO2011073292A1 - Conduite de fluide renforcée - Google Patents

Conduite de fluide renforcée Download PDF

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Publication number
WO2011073292A1
WO2011073292A1 PCT/EP2010/069835 EP2010069835W WO2011073292A1 WO 2011073292 A1 WO2011073292 A1 WO 2011073292A1 EP 2010069835 W EP2010069835 W EP 2010069835W WO 2011073292 A1 WO2011073292 A1 WO 2011073292A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
fluid duct
duct according
inner tube
outer part
Prior art date
Application number
PCT/EP2010/069835
Other languages
English (en)
Inventor
Herbert Heinzinger
Original Assignee
Eaton Fluid Power 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 Eaton Fluid Power Gmbh filed Critical Eaton Fluid Power Gmbh
Priority to EP10798051A priority Critical patent/EP2513548A1/fr
Publication of WO2011073292A1 publication Critical patent/WO2011073292A1/fr

Links

Classifications

    • 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
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/10—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
    • F16L27/107—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve
    • F16L27/11—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve the sleeve having the form of a bellows with multiple corrugations
    • 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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/10—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements not embedded in the wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
    • F02M37/0017—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor related to fuel pipes or their connections, e.g. joints or sealings
    • 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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
    • F16L11/115—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall having reinforcements not embedded in the wall
    • 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
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
    • F16L27/0804—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
    • F16L27/0808—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
    • 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
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
    • F16L27/0804—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
    • F16L27/0808—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
    • F16L27/0812—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with slide bearings
    • F16L27/0816—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with slide bearings having radial sealing
    • 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
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/12—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00

Definitions

  • This invention relates to the field of mechanical conduits, connectors or ducts that are used to interconnect at least two hose or tube assemblies conducting a fluid with each other or to interconnect a hose or tube assembly with a filler opening or plug of a building, vehicle, like a fuel filler neck of an automobile or aircraft, and in particular to connectors or ducts that can be used to duct highly pressurized fluids with high flow rates.
  • Fluid connectors or ducts as mentioned above are known in the art and typically comprise a hose or tube which is terminated on both sides with flanges that allow the connector or duct to be connected on each side to a filler opening, plug, hose or tube assembly.
  • fuel ducting hoses or tubes of a fluid reservoir like a fueling vehicle in the automotive or aerospace field, can be connected to a fluid consumer, e.g. an according automobile or aircraft.
  • a fluid consumer e.g. an according automobile or aircraft.
  • connectors and ducts to fuel an aircraft which, in view of the large amount of fuel being filled with, have to bear up or withstand relatively high flow rates and according fluid pressures.
  • the proposed fluid duct is double- walled and comprises a rigid inner part or wall and a flexible outer part (wall or shroud).
  • the rigid inner part provides the required mechanical stability in particular for high flow rates of a conducted fluid but, at the same time, provides at least one degree of freedom, either for a change of its length within a certain range and/or for a rotational movement of one end of the fluid duct in relation to the other end.
  • the flexible outer part secures that the fluid can not penetrate to the outside, i.e. the environment, which may happen in view of the necessary mechanical connections of the inner part that allow for the mentioned linear and/or rotational degrees of freedom.
  • the outer part is flexible enough so that it does not affect, i.e. hinder, or even prevent, such movements.
  • the inner part thus allows to conduct high pressurized fluid wherein the outer part mainly serves as a protective shield in order to prevent fluid that is leaked from the inner part to reach the
  • the fluid duct comprises connectors at both ends which are used to connect the fluid duct with a preferably highly pressurized fluid reservoir on the one side and a consumer or tank or vessel on the other side.
  • the mentioned degrees of freedom reduce the necessary efforts for an operator because they provide some "tolerance" for connecting the fluid duct on both sides using these connectors.
  • Possible connectors are flanges or screw taps or any other type of connectors that provide a stable connection even under high pressures.
  • the inner part is made of a metal alloy or any other rigid material like ceramics or plastics that can bear up high fluid pressures but also provides a structure that allows for the mentioned degrees of freedom.
  • the outer part is preferably made of convoluted nitrile rubber but can be made of other flexible materials or classes of materials like plastic, metal or glass fiber, preferably bellows made of such materials.
  • the fluid duct can be manufactured either as a one-part or multi-part device.
  • the fluid duct comprises at least one fixing, fastening or mounting means by which the parts are fixedly mounted with each other.
  • clamps can be used for this purpose but the present invention is not limited to the particular technology being used because the general concept of the invention does not rely upon how to fix the parts.
  • At least one end of the inner part of the fluid duct having the mentioned rotational degree of freedom comprises a bent or curved shaped of inner part.
  • this curved structure can also be realized with the flexible outer part of the fluid duct, but not necessarily.
  • the flexible outer part of the fluid duct can comprise at least one flex bellow or bellow-type seal.
  • Such parts provide the required flexibility but, at the same time, the necessary leak tightness.
  • the inner part can comprise a perforation which allows for a controlled leakage or exchange of fluid between the inner part and the circular or ring- shaped space between the inner part and the outer part.
  • the proposed fluid connector or duct concept advantageously provides for a light weight, e.g. about 10 - 15 kg, and double wall fuel duct solution which can be easily handled and manufactured.
  • a connector of a size typically ranging from about 0.2 m to 1-2 m can be used preferably as a fuel duct that provides high flow rates of the fuel in order to fuel or refuel a vehicle like an aircraft in a relatively short time.
  • the proposed fluid connector allows to be manufactured using materials which result in an electrical resistance from flange to flange not exceeding a certain maximum value, preferably 0,1 Ohm and more preferably below 0,05 Ohm so that electrical discharges due to static electricity are prevented.
  • the used materials enable operating temperatures in the range of about -50°C and +50°C so that the fluid connector can be used in a broad temperature range depending on the location of the vehicle to be fueled.
  • the materials that can be used in accordance with the proposed design allow for working pressures for the inner tube (pipe) of about or even beyond 100 psi and for the outer tube (shroud) of about or even beyond 50 psi which enable to duct the mentioned high flow rates of the fluid.
  • fluid connectors or ducts can also be used in all kinds of fluid connectors or ducts and the term fluid connector or duct being used throughout this document insofar is understood not to be limited to a certain application field, like the mentioned fueling of vehicles, and can be applied in other areas like high-pressure water conduits or chemical or process engineering where highly pressurized fluids or liquids are conducted or transmitted using pipes, tubes or hoses.
  • fluid as understood herein, embraces liquids or other fluids or classes/types of fluids where the present invention can be used.
  • Preferable application scenarios are fueling or refueling of vehicles, fuel conveyance or fluid-based trimming in aircrafts, or fueling/refueling of chemical fluids with chemical reactors or tanks, e.g. those used in chemical/process engineering.
  • FIG. 1 is a schematic lateral sectional view of a fluid connector according to the invention
  • FIG. 2 is a more detailed perspective view of an embodiment of the fluid connector illustrated in FIG. 1;
  • FIG. 3 is a lateral sectional view of the fluid connector shown in FIG. 2; and FIG. 4 is an enlarged sectional view of a chamber being part of the annular space between the inner part and outer part of a fluid connector shown in FIG. 3.
  • the connector comprises a rigid inner part 100, in the present embodiment a metal tube made e.g. of stainless steel, metal alloy, ceramics or rigid plastics, and a flexible outer part 105, in the present embodiment a flexible hose made of convoluted nitrile rubber.
  • the inner part 100 in the present embodiment, consists of four sections 110 -125, namely two straight tube sections 110, 115 arranged in the middle of the fluid connector and two bent or curve-shaped tube sections 120, 125 arranged at each end of the straight tube sections 110, 115.
  • the straight tube sections 110, 115 can be pushed together or pulled apart from each other by a telescope connection thus providing a linear or longitudinal degree of freedom along the length of the fluid connector (i.e. variable length).
  • This degree of freedom within a predetermined range of length illustrated by arrow 130, in the present embodiment, is provided by an overlapping area of the two straight tube sections 110, 115 designated by circle 135 which shows part of the area where the two tubes 110, 115 mesh or interlock like a telescope.
  • the curve-shaped tube sections 120, 125 are connected with their corresponding straight tube sections 110, 115 by means of two rotatable connectors which are designated by circles 140, 145. These connectors 140, 150 allow for a rotational movement of the two bent tube sections 120, 125 in relation to the two straight tube sections 110, 115, as illustrated by the two arrows 150, 155.
  • a preferred embodiment of such a connector is described by way of the embodiment shown in FIGS 2 and 3 and comprises clamps to fasten a straight tube section with a bent tube section. This mechanical structure of the fluid connector secures that fluid can not penetrate to the outside but is flexible enough so that it does not affect said degrees of freedom.
  • all four inner tube sections 110 - 125 comprise holes or perforations 160 which, as already mentioned, allow for a controlled exchange of fluid between the inner part 100 and the annular space 165 arranged between the inner 100 and outer part 105 of the fluid connector.
  • these perforations 160 are arranged in the longitudinal direction of the fluid connector but can also be arranged circumferentially at one or more of the tubes of the inner part, like in the embodiment shown in FIG. 3.
  • these holes are provided only preferably and not necessarily provided at each inner tube section 110 - 125.
  • the flexible outer part 105 is made of convoluted nitrile rubber and comprises a number of flex bellow structures 170, or bellow-type seal structures respectively. These structures 170 provide the required flexibility but, at the same time, the necessary leak tightness of the entire fluid connector. It is noteworthy that instead of nitrile rubber there can be used any other plastic material or metals like aluminum or metal alloys and that instead of the shown flex bellow structures there can be used any other structure that provides the necessary flexibility or variability along the length of the fluid connector.
  • the fluid connector at both ends comprises flanges 175 which are welded to both the corresponding bent inner tube sections 120, 125 of the inner part 100 and the outer part 105, as designated by circles 180, 185.
  • flanges 175 By these flanges 175 the fluid connector can easily be connected to the fluid source and the fluid drain.
  • screw taps or the like instead of flanges, depending on the application field, there can be used screw taps or the like instead.
  • both bent tube sections 120, 125 are fixed to the straight tube sections 110, 115 and by screws 345, 430.
  • the ball-joint connection design it is possible to move or rotate the bent tube sections 120, 125 in each direction within a range of about +/- 12 degrees.
  • the ball-joint connection can be sealed with conventional or customized O-rings thus revealing a connection which is 100% leakage- free, at least within the mentioned range of movement/rotation.
  • the shown fluid connector comprises one curve-shaped tube section ("elbows" 120 or 125) at each end.
  • the described longitudinal and rotational degrees of freedom of the inner part can also be achieved with only one connector so that the entire inner part of such a fluid connector is made of (only) two tubes.
  • Such a combined connector can be implemented using the above described connector concept with two overlapping tubes (telescope structure) 135.
  • FIG. 2 shows a preferred embodiment of the double- walled fluid connector according to the invention.
  • the flexible outer part or wall in the following called “shroud”
  • the inner part or wall are fixed with each other at both ends, in proximity to the two flanges 175 at both ends of the fluid connector, like in the first embodiment depicted in FIG. 1.
  • the (outer) shroud 105 consists of two parts wherein each of these parts is connected to a flange as described beforehand.
  • this connection (fixed or mounted) is not a permanent weld joint but a removable or detachable connection using a first and a second band clamp 205, 225 on each side of the fluid connector.
  • a third band clamp 200 is used to tightly connect the two parts of a two-part (outer) shroud 105 with each other and the inner tube 110.
  • Reference numerals 210, 215 and 220 depict a so-called “bonding cable” which functions as electrical ground in order to prevent electrical discharge due to static electricity.
  • This cable 210 which is hidden in the view shown in FIG. 2, extends from the left to the right of the connector.
  • FIG. 3 depicts a more detailed sectional view of the fluid connector shown in FIG. 2.
  • the inner tube consists of four parts namely two elbow assemblies 120, 125 arranged at both ends of the fluid connector and two straight tube parts, a first inner tube 320 and a second inner tube 325, designate a "telescope" tube joint (movement illustrated by the arrow 130, like in FIG. 1).
  • the flanges 175 and the shrouds 105 are connected using band clamps 205, 225.
  • the connection additionally includes a sealing 315, preferably a sealing strip material, being arranged between the outside of the respective flange 175 and the inside of the respective shroud 105.
  • the telescope length in the present example, can be varied by +/- 30 mm, but this length can vary, e.g. depending from the underlying application field of the fluid connector. Similar to FIG. 1, the embodiment according to FIGs 2 and 3 provides perforations 160 but, in contrast to FIG. 1, these perforations are only located at the first inner tube 320 of the telescope 320, 325.
  • the two tubes of the inner part are made of a TiAlV alloy. But there exist other metal or even composite materials that can be used, like steel CRES 304, stainless steel or Aluminum. Based on the mentioned TiAlV alloy, the maximum working pressure of the inner part (internal pipe) is more than 100 psi and more than 50 psi for the outer part (shroud). However, these pressure values may vary depending on the underlying materials being used. With a diameter of the inner part (internal pipe) of about 5 cm, fluid flow rates of up to 5000 1/s are possible.
  • the reference numerals 300 - 310 designate areas where the fluid connector is cut open in order to show internal components which are used to connect all the tube and shroud parts with each other but providing the mentioned longitudinal and rotational degrees of freedom.
  • the fluid connector comprises a housing 420 and a so-called “slip tube” 110 which together constitute a telescope which allows for an axial movement of about +/- 30 mm.
  • the housing 420 and the slip tube 110 are fixed to each other by means of so-called “retainers” 390, 400 and wires 375, 395.
  • O-rings 385, 410 are arranged as sealing.
  • wear rings 370, 420 are provided.
  • the preferred embodiment of the fluid connector preferably in the slip tube 110, comprises holes or perforations 160 by which a so-called "pressure balance principle" can be realized.
  • the annular space 165 comprises a fluid chamber 500 which is arranged between the retainers 390, 400 and along the annular row of perforations 160.
  • the above described slip tube design has the drawback that both telescope tubes, i.e. the first inner tube 320 and the second inner tube 325, tend to move apart from each other thus elongating the telescope connection 320, 325.
  • the fluid can enter the fluid chamber 500 with high pressure.
  • the resulting fluid pressure in the fluid chamber 500 is the same as the fluid pressure in the first inner tube 320.
  • This resulting fluid pressure acts on the retainers 390, 400 in the reverse direction thus working against the mentioned elongation of the telescope 320, 325.
  • both pressures are the same, the two counteracting forces are balanced, or at least essentially balanced.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Joints Allowing Movement (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

La conduite de fluide renforcée permettant de diriger un fluide entre une source de fluide et un écoulement de fluide à débits élevés comprend une partie interne rigide et une partie externe flexible, la partie interne rigide offrant au moins un degré de liberté, et la partie externe flexible garantissant que le fluide ne puisse pas s'échapper à l'extérieur tout en étant suffisamment flexible pour ne pas entraver le(s)dit(s) degré(s) de liberté.
PCT/EP2010/069835 2009-12-16 2010-12-15 Conduite de fluide renforcée WO2011073292A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10798051A EP2513548A1 (fr) 2009-12-16 2010-12-15 Conduite de fluide renforcée

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0921906A GB2478513A (en) 2009-12-16 2009-12-16 An expansion joint having relatively movable inner tubes and a flexible outer sleeve
GB0921906.4 2009-12-16

Publications (1)

Publication Number Publication Date
WO2011073292A1 true WO2011073292A1 (fr) 2011-06-23

Family

ID=41667126

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/069835 WO2011073292A1 (fr) 2009-12-16 2010-12-15 Conduite de fluide renforcée

Country Status (3)

Country Link
EP (1) EP2513548A1 (fr)
GB (1) GB2478513A (fr)
WO (1) WO2011073292A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013215494A1 (de) * 2013-08-06 2015-02-12 Witzenmann Gmbh Entkoppelelement für eine Abgasanlage
CN110036229A (zh) * 2016-11-18 2019-07-19 日本维克托利克株式会社 带弯管的伸缩管接头
JP7412211B2 (ja) 2020-02-17 2024-01-12 未来工業株式会社 排水経路構成部材

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3492030A (en) * 1968-09-23 1970-01-27 Atomic Energy Commission Bellows liner
FR2641054A3 (en) * 1988-12-23 1990-06-29 Sfz Souplesse Fonction Systema Compensator with deformable corrugations for pipelines
US6167622B1 (en) * 1997-04-10 2001-01-02 Senior Investments Ag Exhaust manifold attachment apparatus and method for fabricating same

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Publication number Priority date Publication date Assignee Title
BE630769A (fr) * 1962-04-12
NL8103555A (nl) * 1981-07-28 1983-02-16 Wavin Bv Dilatatiestuk voor een buisleiding.
US4526409A (en) * 1983-01-27 1985-07-02 Adsco Manufacturing Corp. Expansion joint
FR2752285B1 (fr) * 1996-08-09 1998-09-11 Pont A Mousson Dispositif de raccordement bout a bout d'elements de canalisations et dispositif d'assemblage de conduits incorporant un tel dispositif de raccordement
FR2776359B1 (fr) * 1998-03-18 2000-12-08 Yves Levivier Dispositif autobloquant sans bride et sans soudure, sur tube lisse, pour le raccordement d'un tuyau souple
US6390138B2 (en) * 2000-03-08 2002-05-21 Siemens Canada Limited Low restriction hose and seal assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3492030A (en) * 1968-09-23 1970-01-27 Atomic Energy Commission Bellows liner
FR2641054A3 (en) * 1988-12-23 1990-06-29 Sfz Souplesse Fonction Systema Compensator with deformable corrugations for pipelines
US6167622B1 (en) * 1997-04-10 2001-01-02 Senior Investments Ag Exhaust manifold attachment apparatus and method for fabricating same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013215494A1 (de) * 2013-08-06 2015-02-12 Witzenmann Gmbh Entkoppelelement für eine Abgasanlage
CN110036229A (zh) * 2016-11-18 2019-07-19 日本维克托利克株式会社 带弯管的伸缩管接头
JP7412211B2 (ja) 2020-02-17 2024-01-12 未来工業株式会社 排水経路構成部材

Also Published As

Publication number Publication date
EP2513548A1 (fr) 2012-10-24
GB2478513A (en) 2011-09-14
GB0921906D0 (en) 2010-01-27

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