УСТРОЙСТВО ДЛЯ ШАРНИРНОГО СОЕДИНЕНИЯ ТРУБ

FIELD: machine building. SUBSTANCE: gap between end of first pipe and end of second pipe is enveloped with packing device. The ends of both pipes are equipped with bearing rings connected to each other by means of at least two connecting devices arranged outside the packing device in form of metal bellows. They facilitate practically maintenance free operation of steel cables used as connecting facilities. Choice of material for elements of the connecting facility depends on temperature and pressure of medium flowing through pipes within ranges of up to 850°C and 20 bars correspondingly. EFFECT: raised reliability of connection. 9 cl, 3 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 388 957 (13) C2 (51) МПК F16L 27/111 (2006.01) F16L 51/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21), (22) Заявка: 2007148331/06, 26.05.2006 (24) Дата начала отсчета срока действия патента: 26.05.2006 (73) Патентообладатель(и): ЭЙРБАС ДОЙЧЛАНД ГМБХ (DE) R U (30) Конвенционный приоритет: 27.05.2005 DE 102005024414.9 (72) Автор(ы): РОВЕДДЕР Хорст-Дитер (DE) (43) Дата публикации заявки: 10.07.2009 2 3 8 8 9 5 7 (45) Опубликовано: 10.05.2010 Бюл. № 13 (56) Список документов, цитированных в отчете о поиске: GB 1450555 A, 22.09.1976. RU 2064117 C1, 20.07.1996. CA 1294996 С, 28.01.1992. GB 988952 А, 14.04.1965. DE 6291610, 23.04.1936. FR 2500111 А, 20.08.1982. DE 8535523 U1, 19.02.1987. 2 3 8 8 9 5 7 R U (86) Заявка PCT: EP 2006/005056 (26.05.2006) C 2 C 2 (85) Дата перевода заявки PCT на национальную фазу: 27.12.2007 (87) Публикация PCT: WO 2006/125667 (30.11.2006) Адрес для переписки: 119034, Москва, Пречистенский пер., 14, стр. 1, 4-й этаж, "Гоулингз Интернэшнл Инк.", Ю.В.Дементьевой (54) УСТРОЙСТВО ДЛЯ ШАРНИРНОГО СОЕДИНЕНИЯ ТРУБ (57) Реферат: Изобретение относится к устройствам для шарнирного соединения труб системы подачи горячего воздуха от силовой установки летательного аппарата. Зазор между концом первой ...

УСТРОЙСТВО ДЛЯ ШАРНИРНОГО СОЕДИНЕНИЯ ТРУБ

... 1. Устройство (1) для шарнирного соединения первой и второй труб (3, 5), в частности первой и второй труб (3, 5) системы подачи горячего воздуха от силовой установки летательного аппарата, с возможностью компенсации допусков, в котором зазор (40) между концом (2) первой трубы (3) и концом (4) второй трубы (5) охватывается уплотняющим устройством (6), отличающееся тем, что оба конца (2, 4) труб снабжены опорными кольцами (14, 15), соединенными друг с другом с использованием по меньшей мере двух соединительных средств, размещенных снаружи уплотняющего устройства (6), причем уплотняющее устройство (6) состоит по меньшей мере из двух металлических сильфонов (7, 8), соединенных с помощью центрального элемента (13, 59), имеющего кольцевую форму и снабженного с обеих сторон периферийными выступами (47, 48, 60), по меньшей мере, частично, которые входят во внутренние зоны (53, 54) труб (3, 5). ! 2. Устройство по п.1, отличающееся тем, что соединительные средства или их части обладают упругостью ...

Flexible spacer structure has retaining ring immersed partially into the groove between groove walls so that braided fabric with axial component of force is pressed against one of two groove walls

The flexible spacer structure has tubular braid fabric (2) of wires, strands and/or fibers or of wire, stranded and/or fiber bundles, which is fixed to two connection ends (3) of ring corrugated or helically corrugated metal bellows or metal tube (1). The connecting end is provided with circumferential groove (4) on outer circumference. The retaining ring (9) is made up of plastically deformable material, and immersed partially into the groove between groove walls (7,8) so that braided fabric with axial component of force is pressed against one of two groove walls. An independent claim is included for method for manufacturing flexible spacer structure.

AUSPUFFROHR

Kompensationselement für Kunststoffmantelrohrleitungen

Flexible pipe element in exhaust of combustion engine

The support strut (6) in its axial edge sections (6a,6c) in the area of the pipe ends (3,4) has a greater stiffness and a larger cross-sectional surface than in its centre section (6b). The change in stiffness takes place continuously over the whole length of the support strut. The support strut lies radially outside the corrugated hose with a gap between it and the generated surface of the corrugated hose. The longitudinal axis (9) of the support strut extends parallel to the longitudinal axis of the corrugated hose.

AXIAL COMPENSATOR

Pipe expansion joints

... 637,122. Expansion joints. AKT.-GES. FUR TECHNISCHE STUDIEN. July 29, 1947, No. 20461. Convention date, Aug. 7, 1946. [Class 99(i)] Pipes 31, 32 subjected to high internal pressure and high temperatures are connected by a comparatively thin and flexible hollow member 14, which may be a currugated tube, surrounded by a space 15 the pressure in which is substantially the same as that of the pipes so that the member is not subjected to any substantial pressure difference. As shown, vessel 18 connected to the pipe 32 is partially filled with a liquid which is forced into the space. In a modification, the space 15 is bounded by bellshaped extensions of both pipes, and in a further modification heat-insulating material is interposed between the flexible member and a pipe arranged co-axailly within the pipes 3', 3'.

Bellows

... 1,017,312. Moulding sealing elements. CRANE PACKING Ltd. Dec. 7, 1964 [Dec. 11, 1963], No. 48876/63. Heading B5A. [Also in Division F2] A reinforced non-metallic bellows 4, which may be used as a fluid seal between relatively movable parts or to form an expansion joint in non-metallic pipework, is made by forming a tubular body of substantially uniform wall thickness containing reinforcing material in restricted regions adjacent its inner and/or outer surface and machining away or cutting the body to leave a bellows whose pleats contain reinforcing material at their inner and/or outer tips only. A cylindrical body of P.T.F.E. with inner and outer diameters indicated at 1 and 2 respectively is mounted on a core pin (not shown) and wrapped with several layers of glass fibre fabric impregnated with P.T.F.E. so that its outer diameter is increased to 3. The assembly is then subjected to a moulding process and the resulting block machined to form the bellows shown with the outer tip of each ...

A flexible tube for an exhaust pipe of an automobile

Improvements in fluid-tight expansion couplings incorporating flexible bellows

... 900,661. Expansion joints. TEDDINGTON AIRCRAFT CONTROLS Ltd. May 2, 1961 [May 26, 1960], No. 18660/60. Class 99(1). In a fluid-tight, hinged, expansion coupling an inner flexible bellows 1, e.g. of metal, is connected at the ends thereof to flanges on a pair of outer hinge members. 2, 3, formed or provided with co-operating hinge plates having mating convex and concave surfaces of different radii whereby the former can roll in the latter. As shown, each member 2, 3 has a pair of arms 4, 5, the outer arms 5 being provided with wedge-shaped projections 6 having a convex tip and the arms 4 being formed with mating wedge-shaped recesses 7 of slightly greater angle and with a concave bottom of slightly greater radius than that of the convex tip.

Flexible coupling

ABSORPTION ARRANGEMENT

AXIAL COMPENSATOR WITH INITIAL TENSION MECHANISM

EXIT GAS LINE

COMPENSATION ELEMENT FOR PLASTIC COATING PIPINGS

ABGASLEITUNG

AXIAL COMPENSATOR.

SOUFFLET DE DILATATION

EXHAUST CONNECTION MEMBER WITH PREFORMED BRAIDED COVER

An exhaust connection coupler and a method for manufacturing a braid cover incorporated therein are provided. The coupler may include an inner flexible bellows member and an outer braid cover surrounding the bellows member. The braid cover may be formed into a predetermined shape prior to assembly with the coupler. The braid member can include a generally cylindrical body section and two end sections each forming necks having diameters that are smaller than the diameter of the body section. The body section of the braid cover is self-supporting and is positioned an appreciable distance from the bellows member in order to avoid any friction and to create a thermally insulating air gap therebetween. The braid cover may be constructed of braided wire filaments that are formed into shape with forming dies. The braid cover may be pressed between two forming dies in order to create its desired shape.

Verfahren zur Herstellung einer einen hohlen Ringkörper bildenden, als Kompensator wirkenden Verbindung zwischen achsgleichen Hohlkörpern, die gegenseitig Verschiebungen und Winkeländerungen unterworfen sind.

Elastische Verbindung zwischen den Enden zweier einem hohen Innendruck ausgesetzter Hohlkörper.

Vorrichtung zur Längenbegrenzung eines Federrohres, insbesondere für Dehnungsausgleicher.

Tube flexible

Giunto ad espansione

Vorrichtung zur gelenkigen Verbindung von Rohrleitungen

Faltenbalg aus Kunststoff mit Metallummantelung

COMPENSATORE DI DILATAZIONE PER FUBAZIONI PER GRANDI MOVIMENTI ANGOLARI.

Dehnungsausgleicher an Rohrleitung, insbesondere an emaillierter Rohrleitung

Kompensator mit einem Wellrohr und Verfahren zu dessen Herstellung

Dehnungsausgleicher zur Aufnahme sowie zum Ausgleich von Längen- und/oder Winkeländerungen in Rohrleitungen

COMPENSATOR FOR THE ADMISSION OF STRETCHES.

AXIAL COMPENSATOR.

COMPENSATION CLUTCH

SEALING DEVICE BELLOWS SHAPED REINFORCED METAL.

L'invention concerne un dispositif d'étanchéité en forme de soufflet (1) façonné à partir d'une membrane (2) cylindrique plissée avec des creux entre deux plis, lesquels creux externes et internes contiennent des renforts qui forment une armature, lesquels renforts (3, 4) sont constitués d'anneaux qui comprennent une partie en forme un bourrelet (5, 8) se logeant chacun dans le creux de ladite membrane (2), entre deux plis, et une partie en saillie par rapport à ladite membrane, faisant office de talon (6, 9), caractérisé en ce que le talon (6, 9) a une largeur dont la dimension est choisie pour maintenir entre les renforts (3) adjacents externes et les renforts (4) adjacents internes, un espace faisant office de logement (11) pour ladite membrane (2), et la largeur (e) de cet espace, en tout point dudit logement (11), est supérieure à l'épaisseur (m) de ladite membrane (2). The invention relates to a bellows-shaped sealing device (1) formed from a pleated cylindrical membrane (2) with recesses between two folds, which external and internal recesses contain reinforcements which form an armature, which reinforcements (3, 4) consist of rings which comprise a bead-shaped part (5, 8) each accommodating in the hollow of said membrane (2), between two folds, and a portion projecting from said membrane , acting as heel (6, 9), characterized in that the heel (6, 9) has a width the size of which is chosen to maintain between the adjacent external reinforcements (3) and the adjacent internal reinforcements (4), a space serving as a housing (11) for said membrane (2), and the width (e) of this space at any point of said housing (11) is greater than the thickness (m) of said membrane (2).

Elément de renforcement pour tuyaux flexibles et soufflets, et tuyaux flexibles et soufflets pourvue desdits éléments.

LA PRESENTE INVENTION A POUR OBJET UN ELEMENT DE RENFORCEMENT POUR TUYAUX FLEXIBLES ET SOUFFLETS, ET TUYAUX FLEXIBLES ET SOUFFLETS POURVUS DESDITS ELEMENTS. L'ELEMENT DE RENFORCEMENT EST CARACTERISE EN CE QU'IL COMPREND UN ANNEAU PROFILE EN CREUX DANS LEQUEL VIENT S'ENGAGER UN ANNEAU DE SECTION DROITE CORRESPONDANT A CELLE DU CREUX ET EN CE QUE LA MATIERE DU TUYAU FLEXIBLE OU DU SOUFFLET EST BLOQUEE ENTRE LES DEUX ANNEAUX PRECITES. L'INVENTION SE RAPPORTE A DES TRANSPORTEURS DE MATIERES EN VRAC, DES FILTRES DEPOUSSIEREURS, ETC.

TUBE FLEXIBLE FOR a TAILPIPE Of a CAR

La présente invention se rapporte à un tube flexible pour un tuyau d'échappement d'une automobile.Le tube flexible comprend un élément formant soufflet (10) ondulé pour avoir des raies (11) et des sillons (12) sur sa périphérie externe ; des tresses externes (30) réalisées à une distance prédéterminée de la périphérie externe de l'élément formant soufflet (10) ; des capuchons de fixation (40) montés sur les deux extrémités latérales des tresses externes (30) respectivement ainsi qu'un élément formant ressort (60) réalisé sur une surface circonférentielle des tresses externes (30) pour être en contact étroit avec celles-ci.L'invention est applicable notamment dans le domaine de la construction automobile. The present invention relates to a flexible tube for an automobile exhaust pipe. The flexible tube comprises a bellows element (10) corrugated to have lines (11) and grooves (12) on its outer periphery; external braids (30) produced at a predetermined distance from the external periphery of the bellows element (10); fixing caps (40) mounted on the two lateral ends of the external braids (30) respectively as well as a spring element (60) produced on a circumferential surface of the external braids (30) so as to be in close contact with them .The invention is applicable in particular in the field of automobile construction.

OR CORRECTION CORRECTOR UNIT OF DILATIONS AND CONTRACTIONS Of a CONTROL

FLEXIBLE FUEL GAS TUBE AND METHOD FOR MANUFACTURING SAME

The present invention relates to a flexible fuel gas tube and a method for manufacturing the same comprising: an outer bellows tube having a first wave shaped corrugation; an inner bellow tube having a second wave shaped corrugation, disposed inside the outer bellows tube to enable the second corrugation to be spaced from the first corrugation while being overlapped with the first corrugation by corresponding to the first corrugation, and enabling a peak of the second corrugation to have a larger diameter than a valley of the first corrugation; and a finishing unit coupled to an end part of the outer bellows tube and the end part of the inner bellows tube to seal a space between the first corrugation and the second corrugation. COPYRIGHT KIPO 2016 ...

FLEXIBLE EXTENSIBLE AND CONTRACTABLE TUBE

Turbocharger pressure compensation system

A boosted charge air system which eliminates adverse effects of pressure loading on the system components incorporates a pressure compensator mounted intermediate a turbocharger compressor section outlet duct and the inlet duct of a charge air cooler. The compensator includes first and second end bellows each with a first cross sectional area, a middle bellows intermediate the first and second end bellows with an annular cross sectional area substantially equal to the first cross sectional area, first and second end flanges connecting the first and second end bellows to the outlet duct and inlet duct, respectively, and first and second annular plates connecting the middle bellows to the first and second end bellows. An internal restraining structure for the compensator includes two sets of struts interconnecting the first end flange to the second annular plate and the second end flange to the first annular plate. For applications where exhaust pressure variations induce undesirable loading ...

Braided conduit and method of making a braided conduit

Flexible convoluted conduit covered with braid made by cold forming the braid to an end of the conduit. Cold forming can involve magneforming. Resulting conduit is not brazed, welded, or annealed, thereby facilitating construction of convoluted conduits with higher working pressures and/or less braid material.

Device for the purification of particle-laden gases

The present invention pertains to a device for cleaning gases containing particles with a bellows and with at least one filter element arranged in the bellows. To ensure effective filtration without limitation of the mobility of the bellows, the present invention provides for at least one filter element to be fixed at a bellows inner flange of a bellows corrugation in a positive-locking manner.

Flexible pipe element

The invention concerns a flexible pipe element, in particular for exhaust pipes of combustion engines of motor vehicles, with a helically threaded or ring-corrugated bellows, at least one strip wound hose which is coaxially adjacent to the bellows and which is helically wound or comprises several annular segments, at least one spacer which is disposed locally between the bellows and the strip wound hose and a knitted tube disposed on the outside, wherein the pipe element has an overall maximum rigidity of 5 N/mm.

ARTICULATE CONNECTION PIECE FOR TUBES

ШАРНИРНЫЕ СОЕДИНЕНИЯ ДЛЯ СИСТЕМ ОТБОРА ВОЗДУХА

Группа изобретений относится к герметичным узлам шарнирных соединений для гибкого соединения трубопроводов, которые перемещают текучие среды с высокой температурой и высоким давлением, например для систем трубопроводов для отбора воздуха в самолетах или космических аппаратах. Герметичный стыковочный узел для транспортировки текучей среды с высокой температурой и высоким давлением между соседними трубопроводами содержит кольцо шарнирного соединения и два кольцевых хомута. Каждый хомут содержит пару проходящих в осевом направлении лепестков, каждый из которых содержит проходящее через них расточенное отверстие. Каждое расточенное отверстия лепестков хомутов может быть выровнено с соответствующим расточенным отверстием, образованным внутри кольца шарнирного соединения, через которое можно вставлять штифт для соединения хомутов с кольцом шарнирного соединения. Хомуты и кольцо шарнирного соединения могут быть образованы с использованием аддитивного производства для создания геометрии и топологии ...

Wellrohr-Dehnungsausgleicher fuer Rohrleitungen

Laengenbegrenzungseinrichtung fuer Metallschauchkompensatoren

Flexible pipe coupling having means to accommodate radial deflections or vibrations

... 988,953. Flexible pipe couplings. CALUMET & HECLA Inc. Dec. 14, 1961, No. 44847/61. Heading F2G. A flexible connector for coupling spaced-apart pipe sections 22, 24, Fig. 1, comprises a pair of spaced-apart end fittings 26, 28 for attachment to the pipe sections 22, 24 and having flanges 94, 74, a flexible helically corrugated tube 58, Fig. 2, secured to the fittings to define a fluid-carrying conduit, and a criss-cross arrangement of flexible tensioning elements 98, 100, Fig. 1 (wire cables or ropes), extending between the flanges 74, 94 and connected to one or both flanges by fastening means which permit individual regulation of the tension in the elements. The fastening means may comprise turnbuckles or the arrangement shown in Fig. 2. As shown the tube 58 is covered by a braided sheath 66 around which is arranged an outer corrugated tube 72 also protected by a sheath 80. The tube 72 provides a secondary pressure seal so that there must be a simultaneous failure of the two tubes before ...

EXHAUST PIPE

AXIAL COMPENSATOR FOR PIPE SYSTEMS

... 1531792 Pipe joints UNITED GAS INDUSTRIES Ltd 7 May 1976 [7 May 1975] 18737/76 Heading F2G A compensation for connecting between pipe ends, comprises two coaxial pipe sockets 1, 2 interconnected by a bellows 3, the socket 1 having thereon a ring 7 carrying a guide bushing 6 surrounding the bellows 3 and slidably mounted with respect to a bearing ring 8 on the pipe socket 2, the bushing 6 having an end-plate 9 and being connected to the bearing ring 8 by screws 12 which screw into the ring 8 and pass through clearance apertures 13 in the end plate 9, the screws allowing adjustment of the length of the compensator before installation. After installation the screws 12 are removed. Movement of the bushing 6 is guided by slots 10 therein engaging pins 11 on the ring 8. The interior of the bellows 3 is protected by a telescopic tube in two parts 4, 5.

FLEXIBLE COUPLING FOR PIPEWAYS

... 1324333 Flexible pipe couplings INDUSTRIE-WERKE KARLSRUHE AUGSBURG AG 24 July 1970 [6 Sept 1969] 36056/70 Headings F2G and F2P A flexible connector for pipes comprises a synthetic inner tube resistant to erosion and/or corrosion within a pressure resisting reinforcement, terminal flanges at the ends of the tube, and axially inextensible linkage means interconnecting the end flanges and being arranged to allow pivotal movement about an axis transverse to the tube axis. As shown in Fig. 6, the pivot axis is defined by pins 4 which interconnect linkage rods 3, 3a secured to respective flanges 2, 2a. Alternatively, as shown in Fig. 8, the pivot axis may pass through one of the end flanges, the linkage of rods 7 being arranged in ball-and-socket engagement with the said flanges. The reinforcement member may be a bellows of thin metal having its convolutions held in contact by compression between the flanges. Alternatively a plurality of circumferential rings having a U-shaped cross-section may ...

Improvements in expansion joints for pipe lines

... 836,209. Expansion joints. BADGER MANUFACTURING CO. Nov. 19, 1956 [Nov. 25, 1955; Dec. 6, 1955], No. 35264/56. Class 99(1). A pipe-line expansion joint comprises an axially expansible and contractible, generally cylindrical bellows 12 and reinforcing means therefor, the latter comprising at least one hollow, smooth-surfaced ring 16 of uniform, circular cross-sectional shape throughout its extent and mounted externally of the bellows and seated in a convolution thereof. As shown in Fig. 1, spacing sleeves 13 abut end covers 10, 11 are mounted at each end of the bellows 12 of thin, ductile metal and maintain those covers in spaced relation to flanges 15; members 14 of semi-circular cross-section abut the inner faces of the covers. A dust cover 18 permitting axial and lateral movements of the flanges and mounted over the covers 10, 11 is engaged by removable brackets 19 secured to the covers and maintaining the expansion joint immovable during storage and transport. The rings 16 are formed ...

Expansion joints, for example, for pipe-lines

... 880,082. Expansion joints. YUBA CONSOLIDATED INDUSTRIES INC. Jan. 26, 1960 [Jan. 26, 1959], No. 2763/60. Class 99(1). End members 1, 2 adapted for connection to pipe-line sections are secured to the ends of a length of tubing 5 having multiple annular corrugations 6 capable of axial expansion and contraction, and at least one annular member 11 is positioned between a pair of adjacent corrugations of the tubing in supporting relation thereto, the member being confined to that pair of corrugations and moving axially of the tubing during contraction and expansion thereof and having a portion projecting beyond the peripheral extent of the tubing and in engagement with guide means 13. The latter is supported in fixed relation to one of the end members and there are means for limiting expansion and/or contraction of the tubing, those means comprising a stop 16 and a sleeve 15 secured to the guide means and effective upon predetermined changes in the axial dimension of the tubing. As shown, the ...

AXIAL COMPENSATOR WITH INITIAL TENSION MECHANISM

AXIALKOMPENSATOR MIT VORSPANNEINRICHTUNG

FLEXIBLE LINE ELEMENT

Dehnungsausgleicher for the admission as well as to the reconciliation of lengthening and/or angle changes in pipings

EXPANSION COMPENSATOR FOR LARGE ANGULAR MOVEMENTS

EXHAUST CONNECTION MEMBER WITH PREFORMED BRAIDED COVER

... ²An exhaust connection coupler and a method for manufacturing a braid cover ²incorporated therein are provided. The coupler may include an inner flexible ²bellows member ²and an outer braid cover surrounding the bellows member. The braid cover may ²be formed into ²a predetermined shape prior to assembly with the coupler. The braid member can ²include a ²generally cylindrical body section and two end sections each forming necks ²having diameters ²that are smaller than the diameter of the body section. The body section of ²the braid cover is ²self-supporting and is positioned an appreciable distance from the bellows ²member in order to ²avoid any friction and to create a thermally insulating air gap therebetween. ²The braid cover ²may be constructed of braided wire filaments that are formed into shape with ²forming dies. The ²braid cover may be pressed between two forming dies in order to create its ²desired shape.² ...

Flexible connection for vehicle exhaust pipe - has outer rubber sleeve over inner corrugated metallic tube

Bellows expansion joint for pipe runs - has circumferential corrugations with semicircular section reinforcing rings in troughs

Expandable connector for piping

Mobile junction articulated in all directions for conduits

Compensateur de dilatation pour les canalisations.

Dispositif pour compenser les extensions et contractions longitudinales des canalisations. L'invention concerne un dispositif constitué d'un raccord distinct inséré aux emplacements nécessaires. Il est constitué d'un manchon (1) enveloppant un raccord ondulé en élastomère (2) et un élément (9) qui peut coulisser dans (1) de manière étanche par un système d'étanchéité (4).Le raccord (2) est en appui sur une face du manchon (1) et sert d'étanchéité lors de la fixation du dispositif sur un coté avec la canalisation, de l'autre fixé en étanchéité sur l'élément (9) lui-même muni d'un collet et d'une bride (10). Le manchon (1)comporte deux bouchons (5) et (6) pour permettre le remplissage d'un liquide incompressible (3) et l'échappement de l'air lors du remplissage, lequel liquide rempli complètement l'espace entre le manchon (1) et la partie externe de (2) et (9). Le dispositif selon l'invention est particulièrement destiné aux compensations des extensions et contractions des canalisations en ...

Bellows of plastic with metal shell

EXPANSION COMPENSATOR MOUNTED BETWEEN TWO PIPES

Compensateur de dilatation monté entre deux tuyauteries 1 et 1' et formé d'un soufflet 2, de deux lames 3 et 3' de flexion ainsi que de manchons 10, 10' de répartition des contraintes permettant d'éviter les concentrations de contraintes sur les tuyauteries 1 et 1'. Une chambre étanche comprenant un soufflet externe 27 peut être prévue. Application aux circuits véhiculant des fluides chauds. Expansion compensator mounted between two pipes 1 and 1 'and formed of a bellows 2, two bending blades 3 and 3' as well as sleeves 10, 10 'for distributing the stresses making it possible to avoid stress concentrations on the pipes 1 and 1 '. A sealed chamber comprising an external bellows 27 may be provided. Application to circuits conveying hot fluids.

Protective sleeve for bellows connection between tubes - is secured by U-shaped pins through sleeve, attached to fins on tubes

Compensating connection accordion for pipes

FLEXIBLE PIPE ELEMENT

The invention relates to a flexible pipe element (1), especially for exhaust pipes (9) pertaining to internal combustion engines for motor vehicles. Said pipe element comprises helical or annular convoluted bellows (2); at least one strip wound hose (4) which is coaxially adjacent to the bellows, and is coiled in a spiral- shaped manner or comprises a plurality of ring segments; at least one spacer (5) which is locally arranged between the bellows and the strip wound hose (4); and an externally arranged knitted hose (3). The inventive pipe element has an overall rigidity of 5 N/mm at the most. © KIPO & WIPO 2007 ...

TUBING FLARING TOOL

A tool for use in forming a flare on the end portion of a length of tubing after a ferrule has been mounted on said end portion.

EXHAUST CONNECTION MEMBER WITH PREFORMED BRAIDED COVER

An exhaust connection coupler and a method for manufacturing a braid cover incorporated therein are provided. The coupler may include an inner flexible bellows member and an outer braid cover surrounding the bellows member. The braid cover may be formed into a predetermined shape prior to assembly with the coupler. The braid member can include a generally cylindrical body section and two end sections each forming necks having diameters that are smaller than the diameter of the body section. The body section of the braid cover is self-supporting and is positioned an appreciable distance from the bellows member in order to avoid any friction and to create a thermally insulating air gap therebetween. The braid cover may be constructed of braided wire filaments that are formed into shape with forming dies. The braid cover may be pressed between two forming dies in order to create its desired shape.

УСТРОЙСТВО ПЕРЕМЕЩЕНИЯ ТЕКУЧЕЙ СРЕДЫ И УСТАНОВКА, СОДЕРЖАЩАЯ ТАКОЕ УСТРОЙСТВО

А 2016114863 ко РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) РЦ (11) = (51) МПК Е6Г, 59/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2016114863, 27.06.2014 (71) Заявитель(и): | Л’ЭР ЛИКИД, СОСЬЕТЕ АНОНИМ ПУР Приоритет(ы): Л’ЭТЮД Э Л’ЭКСПЛУАТАСЬОН ДЕ (30) Конвенционный приоритет: 19.09.2013 ЕК 1359021 ПРОСЕДЕ ЖОРЖ КЛОД (ЕЕ) , . (72) Автор(ы): (43) Дата публикации заявки: 24.10.2017 Бюл. № 30 ФУРНЕЛЬ Жан_Люк (ЕК), (85) Дата начала рассмотрения заявки РСТ на НОВЕ Тьерри (ЕК) национальной фазе: 19.04.2016 (86) Заявка РСТ: ЕК 2014/051638 (27.06.2014) (87) Публикация заявки РСТ: \О 2015/040292 (26.03.2015) Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр. 3, ООО "Юридическая фирма Городисский и Партнеры" (54) УСТРОЙСТВО ПЕРЕМЕЩЕНИЯ ТЕКУЧЕЙ СРЕДЫ И УСТАНОВКА, СОДЕРЖАЩАЯТАКОЕ УСТРОЙСТВО (57) Формула изобретения 1. Устройство перемещения текучей среды между двумя концами, предназначенными для соединения соответственно с двумя отдельными конструкциями (5,7), такими как два отдельных здания, при этом устройство содержит жесткий трубопровод с двойным кожухом, расположенный вдоль продольной оси (х), при этом трубопровод содержит наружный кожух (2), в объеме которого, предназначенном для создания вакуума, находится по меньшей мере одна внутренняя труба (3) перемещения текучей среды, при этом трубопровод содержит на первом конце первое жесткое соединение (4) наружного кожуха (2) с первой конструкцией (5) и на втором конце второе жесткое соединение (6) наружного кожуха (2) с второй конструкцией (7), при этом первый и второй концы наружного кожуха (2) жестко соединены с упомянутой по меньшей мере одной внутренней трубой (3), при этом трубопровод содержит систему компенсации относительных перемещений между своими первым (4) и вторым (6) концами, содержащую по меньшей мере одну гибкую зону (13,14) и по меньшей мере одну эластичную зону (10,11,30), при этом упомянутая по меньшей мере одна эластичная зона (10,11,30) является ...

Flexibles Leitungselement

Flexibles Leitungselement, insbesondere für die Abgasanlage eines Kraftfahrzeugs, mit einem Balg (2) und einem zumindest einen Teil der Balgwellen überdeckenden Gestrickeschlauch (5) aus Metall, dadurch gekennzeichnet, dass der Gestrickeschlauch (5) an mindestens einem Befestigungsring (12) befestigt ist.

Gelenkiges Verbindungselement für Rohrteile

Faltenschlauch aus verformbarem Material

Ein Faltenschlauch mit innen liegenden Stützelementen 4 zum Abstützen der außen liegenden Falten ist gekennzeichnet durch auf die außen liegenden Falten vorzugsweise lösbar aufgesetzte bzw. aufsetzbare Spannelemente 5 zum Fixieren der Stützelemente 4 in den Falten.

Pipe coupling - for out-of-line pipe sections

Coupling for two axially aligned pipe sections, the ends of which are spaced from and opposite to each other in the longitudinal direction, comprises (a) first and second rings mounted on the pipes near the ends, each having a peripheral recess in which each pipe end has a longitudinally curved first or inner surface, extending in the peripheral direction, (b) a resilient tubular connecting element so shaped that it can give at least longitudinally, placed between the pipe ends and provided with inwardly curved ends lying against and forming a primary seal with the first surfaces of the pipe ends, (c) first and second rings, fitted in the recesses of the rings and lying against the two ends of the tubular connecting element and against the rings on the pipe section so as to produced secondary seals, and (d) elements for connecting the rings on the pipe sections with each other so as to maintain the primary seal.

Leitungselement mit mehreren koaxialen Schläuchen

Die Erfindung betrifft ein Leitungselement (100) für Abgasleitungen, welches einen koaxialen Aufbau aus einem Innenschlauch (IS), einem Mittelschlauch (MS), und einem Außenschlauch (AS) aufweist. Typischerweise werden der Innenschlauch (IS) und der Außenschlauch (AS) durch Metall-Wickelschläuche und der Mittelschlauch (MS) durch einen gasdichten Membranbalg oder Wellbalg gebildet. Vorzugsweise besteht zwischen Mittelschlauch (MS) und Außenschlauch (AS) ein Abstand (d), so dass sich diese Schläuche nicht berühren.

Improvements in or relating to flexible metal pipe and like couplings

759,306. Pipe couplings. K. A. C., Ltd. May 16, 1955 [May 14, 1954; June 8, 1954], Nos. 14282/54 and 16796/54. Classes 99(1) and 99(2). A flexible, metal pipe coupling comprises a pair of unions connected by a length of helically or annularly corrugated metal tubing 1 at the ends of which are annular flanges 3. Around the tubing and between the flanges is a sheath 15 of rubber, silicone rubber or other rubber or like plastic elastic and resilient material, the sheath being moulded over and into at least the end convolutions of the tubing ; also, the ends of the sheath are bonded to the flanges. As shown, the flanges 3 have coaxial tubular bosses 5 and are fitted over the cylindrical ends of the tubing 1, the marginal portions 6 of those ends being outwardly spun. Each end of the tubing is received in an external rebate 9 formed on a tubular spigot 8 and brazing 11 forms a fluidtight joint. Prior to moulding the sheath 15 in which a tube 17 of wire gauze or fire-resistant fabric is embedded, fabric 13 is wrapped around the tubing 1. A braided metal covering 18 is provided around the sheath and the marginal portions 16 of the flanges 3 are spun inwardly and downwardly to approximately frustoconical form to grip and protect the ends of the sheath. Union nuts 12 are rotatably mounted on the spigots 8.

Expansion joints for piping systems

... 855,356. Expansion joints. FLEXONICS CORPORATION. March 1, 1957 [March 1, 1956], No. 6933/57. Class 99(1). A joint for axially aligned pipes 12, 14 comprises an outer, hollow body 16 telescoping over the pipe 14 and having one end connected to the pipe 12 by a ring 18, and a ring 46 in which the pipe 14 is slidably accommodated, a ring 48 secured to the inner end of the pipe 14 and slidable within the body, and a flexible, corrugated tube 24 disposed between the pipe 14 and the body and having the ends thereof secured and sealed to the pipe and body; there is a pair of interengaging, axially, relatively slidable means respectivelyon the body and pipe 14 for preventing them from turning relatively to each other. As shown, the ring 48 has a number of circumferentially spaced lugs 58 which extend into corresponding axial slots 54 in a sleeve 50, Undue expansion of the joint is prevented by abutment of the lugs with a continuous, end portion 56 of the sleeve. Prior to installation in a piping ...

Method of making an expansion joint for pipe lines

... 836,210. Making corrugated tubes and bellows. BADGER MANUFACTURING CO. Nov. 19, 1956 [Nov. 25, 1955], No. 35705/58. Divided out of 836,209. Classes 83 (2) and 83 (4). Jointing by stamping; force fits.-A method of making an expansion joint for pipe lines comprises providing a cylindrical tube of ductile metal, placing about said tube spaced from the ends thereof at least one smooth-surfaced ring 16 of uniform circular cross-section and applying fluid pressure internally of said tube to force the wall of the tube outwardly on each side of the ring to form convolutions 12 embracing said ring. Each reinforcing ring is formed from tubing the ends of which are connected by a plug 20 (Fig. 5), provided with bevelled snap rings 24 which locate in complimentary grooves inside the tubing when assembled. The ends of the tubing are bevelled to facilitate assembly. In another embodiment, each reinforcing ring comprises a pair of endless mating ring members 40, 42 (Fig. 11), which are clamped about a ...

AXIAL TUBULAR COMPENSATOR

Improvements in and relating to means adapted to compensate for thermal expansion inpipe lines

... 220,130. Kossowski, W. July 3, 1923. Expansion joints. - Straight corrugated pipes are provided with means whereby variation in length of the pipe due to change in temperature of the fluid or gas passing therethrough is taken up or prevented, the said means being protected from the transfer of heat from or to the fluid in the pipe. Rods c connecting together collars b one at each end of the pipe a oppose elongation of the pipe and cause the expansion to be taken up by the corrugations. The pipe is provided with a covering i of asbestos.

Improvements in or relating to pipe joints

... 851,164. Pipe joints. BROWN, BOVERI & CIE A.G. Feb. 6, 1958 [Feb. 28, 1957], No. 3894/58. Class 99(1). A universal pipe joint has external connecting members c, Fig. 3, forming a knee, movably connected to pipes a on both sides of the pipe junction the members c being supported at the knee by a ring e which freely surrounds the junction. The lengths of members c are adjusted by rotating the nuts g which cooperate with oppositely threaded bolts f and the outer ends of the members c swivel in rings d. The ring e is made from individual joint rods and the rods and knee members are supported in hollow blocks k by the balls l. In Fig. 2, a wire rope c is wound round the grooved discs g tension being applied to the rope by the strainer f. In another embodiment one-piece knee members are supported at the knee in a ring, the outer ends of the knee members moving in rings attached to the pipes.

EXPANSION JOINTS FOR PIPES

... 1445985 Pipe couplings MUNRO & MILLER FITTINGS Ltd 15 Nov 1973 [15 Nov 1972] 52730/72 Heading F2G A metal bellows 1 is reinforced by a coil of wire 4, preferably wound thereon and secured under tension. The coil may be bound round at intervals by a wire 5 or flat strip. The wire 5 may be multistranded.

METALLIC LATERAL AND/OR ANGULARKOMPENSATOR FOR UNDER PRESSURE STANDING PIPINGS.

BELLOWS FOR CONNECTING UNDER VACUUM CLAIMANT PIPES OR DEVICES

FLEXIBLE LINE ELEMENT

EXIT GAS LINE

A FLEXIBLE TUBE FOR AN EXHAUST PIPE OF AN AUTOMOBILE

The present invention relates to a flexible tube for an exhaust pipe of an automobile, which has a spring member provided along a circumferential surface of outer braids thereof, so that the vibration of the flexible tube and the generation of noise and harshness caused by over-vibration of an exhaust system can be suppressed and riding comfort of drivers and passengers can be improved. The flexible tube according to the present invention comprises a bellows member (10) corrugated to have alternate ridges (11) and furrows (12) along its outer periphery; outer braids (30) provided at a predetermined distance from the outer periphery of the bellows member (10); fixing caps (40) fitted onto both side ends of the outer braids (30) respectively; and a spring member (60) provided on a circumferential surface of the outer braids (30) to be closely contacted thereto.

EXPANSION JOINT

The invention relates to an expansion joint (1) for joining two adjacent parts of a pipe. The expansion joint (1) comprises an expansion bellows (5), an expanded wall (2) and an inner sleeve assembly (8). The expanded wall (2) comprises a first wall part (3) and a second wall part (4), wherein the first wall part (3) and the second wall part (4) are spaced apart from each other axially by an axial gap. The expansion bellows (5) is connected to the first wall part (3) and to the second wall part (4) such that the axial gap between the first wall part (3) and the second wall part (4) is closed and such that the first wall part (3) and the second wall part (4) are connected flexibly. The expanded wall (2) and the inner sleeve assembly (8) limit at least one sealed chamber (9, 10) between each other, and the at least one sealed chamber (9, 10) is filled by a first gas.

FLEXIBLE TUBE FOR EXHAUST PIPE OF AUTOMOBILES

The present invention relates to a flexible tube for an exhaust pipe of an automobile, which includes: a bellows member (10) made from a metal material, formed in the shape of a hollow cylinder, and having corrugations which are repetitively formed in a wave form thereon; an interlocking member (20) positioned in the bellows member (10) with a predetermined gap from the bellows member (10) and having a spiral groove spirally formed thereon so as to absorb deformation; a braid member (30) positioned so as to surround the outside portion of the bellows member (10) and braided so as to be flexibly deformed with a large displacement with respect to a displacement and tension in a compression direction; cap members (40) coupled for fixing the braid member (30) on the outside of the both ends of the bellows member (10); and intermediate members (50) formed in the shape of a ring and having one end fixed to the bellows member (10) and the other end fixed to the interlocking member (20) by overlapping ...

Flexible tube for exhaust pipe of automobiles

A flexible tube for an exhaust pipe of an automobile includes a bellows member having corrugations thereon; an interlocking member positioned in the bellows member with a predetermined gap from the bellows member and having a spiral groove formed thereon to absorb deformation; a braid member positioned to surround the outside portion of the bellows member and braided to be flexibly deformed with a large displacement with respect to a displacement and tension in a compression direction; cap members coupled for fixing the braid member on the outside of the both ends of the bellows member; and intermediate members formed in the shape of a ring and having one end fixed to the bellows member and the other end fixed to the interlocking member by overlapping the interlocking member inwards, wherein the bellows member has protrusion portions, a center part and both end parts.

TUBE COMPENSATION, IN PARTICULAR FOR DRAINS

Pipe unit

A pipe unit includes a pipe body, first and second flanges, and an adjusting structure. The first flange and the second flange are respectively disposed on opposite first and second ends of the pipe body. The adjusted structure is disposed between the first and second flanges and serves to adjust the length of the pipe unit.

Exhaust connection member with braided cover and method of making the same

An exhaust connection coupler and a method for manufacturing a braid cover incorporated therein are provided. The method of manufacturing comprises the steps of providing a tubular sleeve formed of braided wire filaments and forming at least one end of the sleeve into shape using a forming die such that the at least one end of the cover includes a circumferential neck portion having a diameter smaller than the diameter of a body portion of the cover. In the method, the sleeve may be pressed between male and female forming dies in order to create the cover's desired shape, which can include a shoulder extending radially outwardly from the cover's neck portion and meeting the cover's body portion at a corner.

EXPANSION JOINT

The invention relates to an expansion joint () for joining two adjacent parts of a pipe. The expansion joint () comprises an expansion bellows (), an expanded wall () and an inner sleeve assembly (). The expanded wall () comprises a first wall part () and a second wall part (), wherein the first wall part () and the second wall part () are spaced apart from each other axially by an axial gap. The expansion bellows () is connected to the first wall part () and to the second wall part () such that the axial gap between the first wall part () and the second wall part () is closed and such that the first wall part () and the second wall part () are connected flexibly. The expanded wall () and the inner sleeve assembly () limit at least one sealed chamber () between each other, and the at least one sealed chamber () is filled by a first gas. 1. An expansion joint for joining two adjacent parts of a pipe , the expansion joint comprising:an expansion bellows,an expanded wall andan inner sleeve assembly,wherein the expanded wall comprises a first wall part and a second wall part, wherein the first wall part and the second wall part are spaced apart from each other axially by an axial gap,the expansion bellows is connected to the first wall part and to the second wall part such that the axial gap between the first wall part and the second wall part is closed and such that the first wall part and the second wall part are connected flexibly,the expanded wall and the inner sleeve assembly limit at least one sealed chamber between each other, andthe at least one sealed chamber is filled by a first gas.2. The expansion joint according to claim 1 , wherein the inner sleeve assembly comprises a first metal part and a second metal part claim 1 , whereinthe first metal part is connected to the first wall part such that the first metal part and the first wall part limit a first sealed chamber between each other,the second metal part is connected to the second wall part such that the ...

Flexible Conduit Element

The present invention refers to a flexible conduit element for the joint between an exhaust gas system and a combustion engine of a vehicle, comprising a bellows member () which defines a guiding channel for guiding the exhaust gas of the combustion engine to an exhaust gas system, wherein at least a portion of a side surface of the bellows member comprises a coating () with nano-particles including materials for improving the corrosions resistance of the bellows member, and to an exhaust gas system including such a flexible conduit element. 1. Flexible conduit element for the joint between an exhaust gas system and a combustion engine of a vehicle , comprisinga bellows member which defines a guiding channel for guiding the exhaust gas of the combustion engine to an exhaust gas system, wherein at least a portion of a side surface of the bellows member comprises a coating with nano-particles including materials for improving the corrosions resistance of the bellows member.2. Flexible conduit element according to claim 1 , characterized in that the coating with nano-particles includes silicon claim 1 , ceramic and/or basalt.3. Flexible conduit element according to claim 1 , characterized in that the coating with nano-particles has a fluid deflecting property.4. Flexible conduit element according to claim 1 , characterized in that the coating with nano-particles is configured such that it provides a chemical claim 1 , and/or a corrosion protection and/or a temper color effect claim 1 , in particular at every or at different parts of the flexible conduit element.5. Flexible conduit element according to claim 1 , characterized in that the coating with nano-particles is provided at least at one side of the bellows member claim 1 , in particular on the side of the bellows member which is opposite to the guiding channel.6. Flexible conduit element according to claim 1 , characterized in that the coating with nano-particles is located on the side of bellows member that is ...

Flexible Conduit Element

The invention refers to a flexible conduit element () for the joint between an exhaust gas system and a combustion engine of a vehicle, comprising a bellows member () which defines a guiding channel () for guiding the exhaust gas of the combustion engine to an exhaust gas system, wherein at least a portion of a side surface of the bellows member () is coated with a high polymer layer (), and an exhaust gas system for a vehicle having such a flexible conduit element. 1. Flexible conduit element for the joint between an exhaust gas system and a combustion engine of a vehicle , comprisinga bellows member which defines a guiding channel for guiding the exhaust gas of the combustion engine to an exhaust gas system, wherein at least a portion of a side surface of the bellows member is coated with a high polymer layer.2. Flexible conduit element according to claim 1 , characterized in that the high polymer layer is configured such that the high polymer layer is heat resistant claim 1 , preferably comprises Polyimide (PI) claim 1 , or a thermoplastic claim 1 , like Polyamidimide (PAl) claim 1 , Polyaryletherketone (PAEK) claim 1 , Polyphenylensulfid (PPS) claim 1 , Polyarylsulfones (PSU claim 1 , PPSU) claim 1 , and/or Fluorpolymere (PTFE/PVDF).3. Flexible conduit element according to claim 1 , characterized in that the high polymer layer has a heat deflecting property claim 1 , strengthens the corrosive resistance of the flexible conduit element and/or changes the static and/or dynamic stiffness of the flexible conduit element.4. Flexible conduit element according to claim 1 , characterized in that the high polymer layer is configured such that it provides a chemical and/or thermal insulation claim 1 , a corrosion protection and/or a vibration damping effect claim 1 , in particular at all or at different parts of the flexible conduit element.5. Flexible conduit element according to claim 4 , characterized in that the high polymer layer is provided at least at one side of ...

METHOD OF INSTALLING AN EXPANSION COMPENSATOR AND AN EXPANSION COMPENSATOR

Methods and apparatus for installing an expansion compensator having a longitudinal axis, and comprising first and second spaced apart ends, an expansion/contraction section located between the first and second spaced apart ends, a first connector provided at the first end, a second connector provided at the second end, and an installation guard operable to inhibit axial compression of the expansion/contraction section during installation. The expansion compensator may be installed by coupling the expansion compensator to a piping system, and after the expansion compensator has been coupled to the piping system, adjusting the installation guard to permit axial compression of the expansion/contraction section during operation of the piping system. The expansion compensator or a portion thereof such as the expansion compression section may have a first coefficient of thermal expansion along the longitudinal axis and a thermal compression guard, which may be the installation guard, may have a second, lower coefficient of thermal expansion along the longitudinal axis and the thermal compression guard may be operable to inhibit axial compression of the expansion/contraction section due to thermal contraction of the expansion compensator. 1. A method for installing an expansion compensator , the expansion compensator having a longitudinal axis and comprising first and second spaced apart ends , an expansion/contraction section located between the first and second spaced apart ends , a first connector provided at the first end , a second connector provided at the second end , and an installation guard operable to inhibit axial compression of the expansion/contraction section during installation , the method comprising:(a) coupling the first connector and the second connector to a piping system; and(b) after the first connector and the second connector have been coupled to the piping system, adjusting the installation guard to permit axial compression of the expansion/ ...

EXHAUST CONNECTION MEMBER WITH BRAIDED COVER

An exhaust connection coupler and a method for manufacturing a braid cover incorporated therein are provided. 112-. (canceled)13. A coupler for an exhaust system , comprising:a flexible bellows including a generally cylindrical corrugated body that is formed from a metallic material,a braid cover extending over the bellows from a first end to a second end such that a gap is defined between the braid cover and the corrugated body of the bellows, anda retainer secured to the corrugated body and the braid cover,wherein the first end of the braid cover is received in a closed pocket defined in the retainer.14. The coupler of claim 13 , wherein the retainer includes a collar positioned over the first end of the braid cover claim 13 , the collar partially defining the closed pocket.15. The coupler of claim 14 , wherein the braid cover includes a body section that defines a first diameter and the collar extends outwardly less than the first diameter.16. The coupler of claim 15 , wherein the body section of the braid cover is configured to be self-supporting.17. The coupler of claim 14 , wherein the retainer further includes an end piece claim 14 , the end piece having a flange that cooperates with the collar to partially define the closed pocket.18. The coupler of claim 17 , wherein the collar and the end piece are joined by a weld.19. A coupler for an exhaust system claim 17 , comprising:a bellows including a generally cylindrical corrugated body that is formed from a metallic material,a braid cover extending over the bellows, the braid cover including a body section having a first diameter, an end section including a neck having a second diameter that is less than the first diameter, a shoulder extending radially between the body section and the neck, the shoulder forming a stiffened corner to provide the cover with rigidity, anda retainer secured to the corrugated body and the braid cover,wherein the neck of the braid cover is received in a closed pocket defined in the ...

EXPANSION COMPENSATOR WITH MULTIPLE LAYERS WITH DIFFERING STIFFNESS

An expansion compensator having a longitudinal axis, and having an elongate metal conduit with first and second spaced apart ends and an expansion/contraction section, an inner plastic liner positioned interior of the elongate metal conduit and having an expansion/contraction section and an interior volume extending from the first end to the second end, wherein each of the elongate metal conduit and the inner plastic liner have a stiffness along the longitudinal axis, and the stiffness of the elongate metal conduit is greater than the stiffness of the inner plastic liner. 1. An expansion compensator having a longitudinal axis and comprising:a) an elongate metal conduit having first and second spaced apart ends, an inner surface, an outer surface, a thickness, and an expansion/contraction section; andb) an inner plastic liner positioned interior of the elongate metal conduit and having first and second spaced apart ends, an inner surface, an outer surface, a thickness, an expansion/contraction section, and an interior volume extending from the first end to the second end;wherein the first and second spaced apart ends of the elongate metal conduit and the inner plastic liner are secured together,and wherein each of the elongate metal conduit and the inner plastic liner have a stiffness along the longitudinal axis, and the stiffness of the elongate metal conduit is greater than the stiffness of the inner plastic liner2. The expansion compensator of wherein the stiffness of the elongate metal conduit is at least 25% greater than the stiffness of the inner plastic liner.3. The expansion compensator of wherein the stiffness of the elongate metal conduit is at least 50% greater than the stiffness of the inner plastic liner.4. The expansion compensator of wherein the stiffness of the elongate metal conduit is from at least 150% greater to about 1 claim 1 ,000% greater than the stiffness of the inner plastic liner5. The expansion compensator of wherein the stiffness of the ...

Flexible Conduit Element

The present invention relates to a flexible conduit element 1 of an exhaust gas system for vehicles having combustion engines, comprising a bellows member defining within the bellows member a guiding channel guiding the exhaust gas of an inlet opening of the channel to an outlet opening thereof, and a thermal insulation means which comprises basalt material. Further, the present invention relates to an exhaust gas system comprising the flexible conduit element with said insulation means. 1. Flexible conduit element of exhaust gas systems for vehicles having combustion engines , comprising a bellows member defining a guiding channel within the bellows member guiding the exhaust gas of an inlet opening of the channel to an outlet opening thereof , and a thermal insulation means which comprises a basalt material.2. Flexible conduit element according to claim 1 , characterized in that the basalt material is provided as a band or fiber claim 1 , in particular a band or fiber which is drawn out of a melted basalt material.3. Flexible conduit element according to claim 1 , characterized in that the band or fiber from which the insulation means is comprised of is braided or woven to a cloth or fabric matrix and/or non-woven fabric matrix.4. Flexible conduit element according to claim 3 , characterized in that the braided and/or woven matrix claim 3 , defines recesses and/or loops.5. Flexible conduit element according to claim 1 , characterized in that the insulation means is flexible relative to and movable attached at the bellows member in a floating manner and/or comprises flexible recesses in its outer surface for improving the flexibility and thermal insulation of the insulation means.6. Flexible conduit element according to claim 4 , characterized in that the woven and/or braided matrix is at least partially covered at one side by a fire resistant layer claim 4 , which covers the recesses.7. Flexible conduit element according to claim 1 , characterized in that the ...

Gimbal Joints for Bleed Air Systems

A sealed joint assembly for transmitting high temperature and high pressure fluid between adjoining ducts in, for example, an aircraft bleed air system, includes a gimbal ring and two annular clevises. Each clevis includes a pair of axially-extending lobes that each includes a bore hole extending therethrough. The bore holes of the clevis lobes may each align with a respective bore hole formed within the gimbal ring, through which a pin may be inserted to couple the clevises to the gimbal ring. The clevises and gimbal ring may be formed using additive manufacturing, to produce component geometries and topologies that reduce the overall weight of the joint assembly while maintaining or improving its structural integrity. For example, the clevis lobes may include a plurality of gaps, such that the remaining material forms a shear web. The gimbal ring may also include strut or truss networks to enhance structural integrity. 1. A sealed joint assembly for transmitting high temperature and high pressure fluid between adjoining ducts , the joint assembly comprising:a gimbal ring comprising at least one pair of overlapping struts extending circumferentially around a portion of the gimbal ring, and a set of bores circumferentially spaced about the gimbal ring;a first clevis comprising an annular shroud adapted for positioning concentrically within a portion of the gimbal ring, and at least two lobes integrally formed with the shroud, each lobe extending radially outward and axially over a portion of the gimbal ring, and each lobe having a bore extending therethrough for alignment with a respective bore of the gimbal ring, said first clevis adapted to sealedly couple with a duct conveying high temperature and high pressure fluid;a second clevis comprising an annular shroud adapted for positioning concentrically within a portion of the gimbal ring, and at least two lobes integrally formed with the shroud, each lobe extending radially outward and axially over a portion of the ...

A non-metallic expansion joint

본 발명은 주름관형 비금속 익스펜션 조인트에 관한 것이다. 본 발명의 주름관형 비금속 익스펜션 조인트는 신장효과를 극대화하기 위한 주름관 형태로 성형한 무기단열재를 내부단열층으로 하고, 내열성과 신장성이 있는 실리콘 수지를 외부보강층으로 구성된다. 이에 따라, 600℃ 이상의 고온에서도 관의 신장되는 변위량을 흡수할 수 있을 뿐만 아니라 비금속 재질로서 단열성이 뛰어나며, 파손의 위험성이 적어 화재나 안전사고의 발생을 방지할 수 있게 된다. The present invention relates to corrugated tubular nonmetallic expansion joints. The corrugated tubular non-metallic expansion joint of the present invention is made of an inorganic insulating material molded into a corrugated pipe form for maximizing the stretching effect as an inner heat insulating layer, and a silicone resin having heat resistance and extensibility as an outer reinforcing layer. Accordingly, it is possible not only to absorb the amount of displacement of the tube even at a high temperature of 600 ° C. or more, but also to have excellent thermal insulation as a non-metallic material, and to reduce the risk of breakage, thereby preventing the occurrence of a fire or a safety accident.

Expansion joint

Flexible Tubes for Automobile Exhaust Pipes

본 발명은 자동차 배기관용 플랙시블 튜브에 관한 것으로, 속이 빈 원통형으로 파형의 주름이 반복 성형되는 금속재의 벨로즈부재(10)와; 이 벨로즈부재(10)의 내부로 소정의 갭이 유지한 상태로 위축되며 나선형으로 감겨져 나선홈(21)이 형성되고 주로 길이 방향의 변형을 흡수시키는 인터록부재(20)와; 상기 벨로즈부재(10)의 외측으로 감싸지게 하는 브레이드부재(30)와; 이 브레이드부재(30)의 단부에 끼워져 결합시키는 캡(40)과; 상기 벨로즈부재(10)에 일단이 고정되고, 타단은 인터록부재(20)을 향해 내측으로 중첩되어 고정되는 링형성의 매개부재(50)와; 상기 인터록부재(20)와 벨로즈부재(10)의 사이에 형성된 갭에는 이 인터록부재(20)와 벨로즈부재(10)의 접촉을 차단하도록 개재되는 격리부재(60)를 구비하여서 구성되는 것에 의해, 격리부재(60)에 의해서는 인터록부재(20)와 벨로즈부재(10)가 상호 접촉이 차단됨과 아울러, 외부격리부재(70)는 벨로즈부재(10)의 외부를 보호함과 동시에 브레이드부재(70)와의 접촉을 차단시키게 된다. The present invention relates to a flexible tube for an automotive exhaust pipe, the bellows member (10) of metal material in which a corrugated corrugation is repeatedly formed into a hollow cylinder; An interlock member 20 which is contracted in a state where a predetermined gap is maintained inside the bellows member 10 and is spirally wound to form a spiral groove 21 and mainly absorbs deformation in the longitudinal direction; A braid member (30) wrapped around the outside of the bellows member (10); A cap 40 fitted to the end of the braid member 30 and coupled thereto; One end is fixed to the bellows member 10, and the other end is a ring-forming medium member 50 is fixed to overlap inward toward the interlock member 20; The gap formed between the interlock member 20 and the bellows member 10 includes an isolation member 60 interposed to block contact between the interlock member 20 and the bellows member 10. As a result, the interlocking member 20 and the bellows member 10 are blocked by the isolation member 60, and the external isolation member 70 protects the outside of the bellows member 10. The contact with the braid member 70 is blocked. 따라서, 주행진동에 의해 반복되는 접촉으로 벨로즈부재(10)의 마멸손상을 방지하므로써 배기가스누출 등의 위험을 방지하게 된다. Therefore, the wear and tear of the bellows member 10 is prevented due to repeated contact by running vibration, thereby preventing the risk of exhaust gas leakage. 그리고, 격리부재(60)가 축방향으로 신축이 가능한 재질로 선택되어 신축변위 흡수능력이 유지되고, ...

Pipe connector with compensator

本发明涉及具有补偿器的管道连接器。一种管道连接器（1），其包括补偿器（2）和用于使管道连接器（1）对中的部件，其特征在于，用于使管道连接器（1）对中的部件包括对中套筒（4），在安装状态中，对中套筒（4）沿着补偿器的整个长度延伸。

A non-metallic expansion joint

본 발명은 주름관형 비금속 익스펜션 조인트에 관한 것이다. 본 발명의 주름관형 비금속 익스펜션 조인트는 신장효과를 극대화하기 위한 주름관 형태로 성형한 무기단열재를 내부단열층으로 하고, 내열성과 신장성이 있는 실리콘 수지를 외부보강층으로 구성된다. 이에 따라, 600℃ 이상의 고온에서도 관의 신장되는 변위량을 흡수할 수 있을 뿐만 아니라 비금속 재질로서 단열성이 뛰어나며, 파손의 위험성이 적어 화재나 안전사고의 발생을 방지할 수 있게 된다.

pressure balance type expansion joint

본 발명의 압력 밸런스 타입 익스펜션 조인트는 원주방향으로 간격으로 제1돌출부들이 형성되며 이 제 1돌출부들의 사이에 제 1가이드 홈이 형성되는 원통형의 제 1슬리이브와, 상기 원주방향으로 제 1돌출부의 사이에 제 1가이드홈에 삽입되는 제 2돌출부와 이 제 2돌출부들의 사이에 제 1돌출부가 삽입되는 제 2가이드 홈이 형성된 제 2슬리이브와, 상기 제 1슬리이브의 제 1돌출부들에 일측이 고정되며 외주면이 제 1가변링부재에 의해 지지되며 타측이 제 2슬리이브의 외주면에 고정되는 제 1벨로우즈 유닛과, 상기 제 2슬리이브의 제 2돌출부들에 일측이 고정되며 외주면이 제 2가변링부재에 의해 지지되며 타측이 제 1슬리이브의 외주면에 고정되는 제 2벨로우즈 유닛과, 상기 제 1, 2가변링부재에 단부가 각각 고정되는 제 3벨로우즈 유닛을 구비한다. The pressure balance type expansion joint of the present invention has a cylindrical first sleeve in which first protrusions are formed at intervals in the circumferential direction, and a first guide groove is formed between the first protrusions, and the first protrusion in the circumferential direction. The second protrusion having a second protrusion inserted into the first guide groove between the second protrusion and the second guide groove into which the first protrusion is inserted between the second protrusions, and the first protrusions of the first sleeve. One side is fixed and the outer circumferential surface is supported by the first variable ring member and the other side is fixed to the outer circumferential surface of the second sleeve, and one side is fixed to the second protrusions of the second sleeve and the outer circumferential surface is first And a second bellows unit supported by the second variable ring member and fixed to an outer circumferential surface of the first sleeve, and a third bellows unit having end portions fixed to the first and second variable ring members, respectively.

Expansion joint

The invention relates to an expansion joint (1) for joining two adjacent parts of a pipe. The expansion joint (1) comprises an expansion bellows (5), an expanded wall (2) and an inner sleeve assembly (8). The expanded wall (2) comprises a first wall part (3) and a second wall part (4), wherein the first wall part (3) and the second wall part (4) are spaced apart from each other axially by an axial gap. The expansion bellows (5) is connected to the first wall part (3) and to the second wall part (4) such that the axial gap between the first wall part (3) and the second wall part (4) is closed and such that the first wall part (3) and the second wall part (4) are connected flexibly. The expanded wall (2) and the inner sleeve assembly (8) limit at least one sealed chamber (9, 10) between each other, that is filled by a first gas.

Energy-saving type corrugated pipe compensator

本发明公开了一种节能型波纹管补偿器，包括左法兰、波纹管、左导流筒、右导流筒和右法兰；左导流筒左端、右导流筒右端外壁分别固定密封连接在左法兰、右法兰内壁上；左导流筒左端和右导流筒右端均为扩口结构；左导流筒、右导流筒均为一次冲压成型的整体结构；直管Ⅰ、扩口Ⅰ采用圆弧过渡连接；直管Ⅱ、扩口Ⅱ采用圆弧过渡连接；左导流筒右端也为扩口结构，其端口延伸至右导流筒左端内壁；进一步改进在于：左导流筒右端为圆弧形扩口；波纹管外壁波谷中设有加强环；加强环包括金属环、非金属护套，非金属护套套装在金属环上。本发明耐高压，介质流动阻力小，能耗低。

Fluid transfer device and apparatus including such a device

본 발명은 종축(x)을 따라 연장되는 이중 외피를 갖는 강성 배관을 포함하는, 별개의 두 구조물(5, 7) 사이의 유체 전달 장치에 관한 것이고, 상기 배관은 바깥쪽 외피(2) 하우징, 그의 내부 진공 공간에 유체의 전달을 위한 하나 이상의 내부 덕트(3), 제1 단부에서의 바깥쪽 외피(2)의 제1 구조물(5)과의 제1 강성 연결부(4), 및 제2 단부에서의 바깥쪽 인클로저(2)의 제2 구조물(7)과의 제2 강성 연결부(6), 종방향(x)으로 하나 이상의 가요성 영역 및 하나 이상의 탄성 영역(10, 11, 30)을 포함하는, 이동을 보상하기 위한 시스템을 포함하고, 바같쪽 외피(2)의 상기 제1 및 제2 단부가 하나 이상의 내부 덕트(3)와 강성 연결되며, 이동을 보상하기 위한 상기 시스템이 바깥쪽 외피(2)와 제1 구조물(5) 사이의, 종축(x)을 따라 활주하는 연결부(12) 및 2개의 짐벌(gimbal)을 포함하고 가요성 영역의 2개의 단부를 기계적으로 연결하는 짐벌 메카니즘(17)을 또한 포함한다. The present invention relates to a fluid transfer device between two separate structures (5, 7) comprising a rigid pipe having a double sheath extending along the longitudinal axis (x), the pipe being an outer sheath (2) housing, At least one inner duct (3) for the delivery of fluid to its inner vacuum space, a first rigid connection (4) with the first structure (5) of the outer sheath (2) at the first end, and a second end A second rigid connection (6) with the second structure (7) of the outer enclosure (2) in at least one flexible region and at least one elastic region (10, 11, 30) in the longitudinal direction (x) And a system for compensating for movement, wherein the first and second ends of the barbed shell 2 are rigidly connected with one or more inner ducts 3, and the system for compensating for movement is an outer shell Between (2) and the first structure (5), a gimbal mechanism comprising a connection 12 and two gimbals gliding along the longitudinal axis x and mechanically connecting the two ends of the flexible region ( 17) is also included.

Safety flow restrictor for expansion joints

An expansion joint for coupling two conduits in a manner allowing relative axial movement therebetween and including an external shell or housing receiving the ends of both conduits and receiving an end of at least one of the conduits in a manner allowing relative axial movement of the end of the conduit in the shell, a flexible metal bellows in the shell connected to the shell and to the end of the one conduit for allowing relative axial movement between the ends of the conduits and for providing a fluid seal between the interiors of the conduits and the end of the expansion joint which receives the one conduit, and characterized by a safety flow restrictor operatively associated with the shell and with the one conduit for restricting fluid flow out the end of the expansion joint which receives the one conduit in the event the bellows fails to maintain the afore-mentioned fluid seal. The safety flow restrictor comprises a member surrounding the other conduit in close-fitting axially movable relation and a retainer defining an axial region holding the member against axial movement relative to the shell and allowing limited movement of the member in directions substantially perpendicular to the longitudinal axes of the other conduit and the shell. The safety flow restrictor can be incorporated in a single expansion joint wherein one conduit is fixed to the external shell or housing and the other conduit is movable therein and it can be incorporated in a double expansion joint including two conduits having ends thereof axially movable within a common external shell or housing.

Flexible pipe and exhaust heating system with the same

플렉시블 파이프 및 그가 적용되는 배기 히팅 시스템에 관한 것으로, 인터록 구조를 갖는 외부 인터록관, 상기 인터록 관의 내부에 마련되는 내부 벨로즈관, 상기 내부 벨로즈관 내부에 마련되고 라이너 기능을 하는 인터록관 및 상기 내부 벨로즈관의 외면에 설치되고 상기 인터록관 내부를 이동하는 가스를 히팅하는 히터를 포함하여 4중 구조로 마련되고, 상기 외부 인터록관의 외부에는 코팅층이 형성되는 구성을 마련하여, 보온 및 누기 성능을 개선하고, 파우더가 침전되는 것을 방지할 수 있다. The present invention relates to a flexible pipe and an exhaust heating system to which the flexible pipe and the exhaust heating system are applied, including: an outer interlock tube having an interlock structure, an inner bellows tube provided inside the interlock tube, an interlock tube provided inside the inner bellows tube and functioning as a liner; It is provided in a quadruple structure including a heater installed on an outer surface of the inner bellows tube and heating the gas moving inside the interlock tube, and provided with a structure in which a coating layer is formed on the outside of the outer interlock tube, It can improve the leakage performance and prevent the powder from settling.

Expansion compensator mounted between two pipes

Expansion compensator mounted between two pipes (1 and 1') and formed by a bellows (2), by two flexing leaves (3 and 3') and by sleeves (10, 10') for distributing stresses so that concentrations of stresses over the pipes (1 and 1') may be avoided. A sealed chamber comprising an external bellows (27) may be provided. Application to circuits for conveying hot fluids. <IMAGE>

FLEXIBLE TUBING ELEMENT, ESPECIALLY FOR AN EXHAUST CIRCUIT

Elément de tubulure flexible, notamment pour un circuit de gaz d'échappement d'un véhicule à moteur, comportant un tronçon tubulaire annelé 5, par exemple en acier inoxydable, dont les deux extrémités sont fixées à des embouts de raccordement sensiblement cylindriques 1, 2, d'entrée et de sortie des gaz. Le tronçon annelé 5 comporte des ondulations modifiées 12, 13, au moins à son extrémité reliée à l'embout d'entrée des gaz. Les ondulations modifiées 12, 13, présentent notamment un intervalle accru, ou une amplitude radiale réduite par rapport au reste des ondulations, pour augmenter la raideur de la zone correspondante du tronçon annelé 5. Application aux circuits de gaz d'échappement. Flexible tubing element, in particular for an exhaust gas circuit of a motor vehicle, comprising a corrugated tubular section 5, for example made of stainless steel, the two ends of which are fixed to substantially cylindrical connection end pieces 1, 2 , gas inlet and outlet. The ringed section 5 has modified corrugations 12, 13, at least at its end connected to the gas inlet nozzle. The modified corrugations 12, 13 have in particular an increased interval, or a reduced radial amplitude with respect to the rest of the corrugations, in order to increase the stiffness of the corresponding zone of the ringed section 5. Application to exhaust gas circuits.

Bellows for connecting pipelines or devices for vacuum operation.

L'invention concerne un soufflet de raccordement de tuyauteries ou d'appareils fonctionnant sous vide partiel, constitué d'un tube ondulé renforcé extérieurement par des anneaux au creux des ondes. Il est caractérisé en ce qu'il comporte des anneaux de renfort toriques à l'intérieur du sommet des ondes et que la longueur des anneaux est ajustable de manière à s'adapter à la déformation des ondes en service. Application aux raccordements de tuyauteries de grand diamètre. The invention relates to a bellows for connecting pipes or devices operating under partial vacuum, consisting of a corrugated tube reinforced on the outside by rings in the hollow of the waves. It is characterized in that it comprises toroidal reinforcing rings inside the top of the waves and that the length of the rings is adjustable so as to adapt to the deformation of the waves in service. Application to the connections of large diameter pipes.

Patent JPS5670111U

Safety flow restrictor for expansion joints

Abstract An expansion joint for coupling two conduits in a manner allowing relative axial movement therebetween and including an external shell or housing receiving the ends of both conduits and receiving an end of at least one of the conduits in a manner allowing relative axial movement of the end of the conduit in the shell, a flexible metal bellows in the shell connected to the shell and to the end of the one conduit for allowing relative axial movement between the ends of the conduits and for providing a fluid seal between the interiors of the conduits and the end of the expansion joint which receives the one conduit, and charac-terized by a safety flow restrictor operatively associated with the shell and with the one conduit for restricting fluid flow out the end of the expansion joint which receives the one conduit in the event the bellows fails to maintain the afore-mentioned fluid seal. The safety flow restrictor comprises a member surrounding the other conduit in close-fitting axially movable relation and a retainer defining an axial region holding the member against axial movement relative to the shell and allowing limited move-ment of the member in directions substantially perpendicular to the longitudinal axes of the other conduit and the shell. The safety flow restrictor can be incorporated in a single expansion joint wherein one conduit is fixed to the external shell or hous-ing and the other conduit is movable therein and it can be incor-porated in a double exapnsion joint including two conduits having ends thereof axially movable within a common external shell or housing.

EXPANSION COMPENSATOR FOR PIPES.

PROCESS FOR FIXING THE CONNECTING END PIECES OF FLEXIBLE PIPES WITH HELICAL WAVES

Pour la fixation de chaque embout de raccordement (3) sur l'extrémité du tuyau à ondes hélicoïdales (1) revêtu de sa tresse de protection (2), on adapte en premier lieu, par simple vissage sur le complexe (1-2), un élément spiralé (4) en fil métallique, puis, après engagement de l'embout (3), on opère une soudure annulaire traversante (5) pour assurer l'assemblage efficace de l'ensemble (1-2-3-4). To fix each connection end piece (3) on the end of the helical wave pipe (1) coated with its protective braid (2), it is first adapted, by simple screwing on the complex (1-2) , a spiral element (4) of metal wire, then, after engagement of the end piece (3), a through annular weld (5) is carried out to ensure efficient assembly of the assembly (1-2-3-4 ).

FLUID TRANSFER DEVICE AND INSTALLATION COMPRISING SUCH A DEVICE

PROCESS FOR FIXING THE CONNECTING END PIECES OF FLEXIBLE PIPES WITH HELICAL WAVES

REINFORCING ELEMENT FOR FLEXIBLE PIPES AND BELLOWS, AND FLEXIBLE PIPES AND BELLOWS PROVIDED WITH SAID ELEMENTS

LA PRESENTE INVENTION A POUR OBJET UN ELEMENT DE RENFORCEMENT POUR TUYAUX FLEXIBLES ET SOUFFLETS, ET TUYAUX FLEXIBLES ET SOUFFLETS POURVUS DESDITS ELEMENTS. L'ELEMENT DE RENFORCEMENT EST CARACTERISE EN CE QU'IL COMPREND UN ANNEAU PROFILE EN CREUX DANS LEQUEL VIENT S'ENGAGER UN ANNEAU DE SECTION DROITE CORRESPONDANT A CELLE DU CREUX ET EN CE QUE LA MATIERE DU TUYAU FLEXIBLE OU DU SOUFFLET EST BLOQUEE ENTRE LES DEUX ANNEAUX PRECITES. L'INVENTION SE RAPPORTE A DES TRANSPORTEURS DE MATIERES EN VRAC, DES FILTRES DEPOUSSIEREURS, ETC. THE SUBJECT OF THE PRESENT INVENTION IS A REINFORCING ELEMENT FOR FLEXIBLE PIPES AND BELLOWS, AND FLEXIBLE PIPES AND BELLOWS PROVIDED WITH SUCH ELEMENTS. THE REINFORCING ELEMENT IS CHARACTERIZED IN THAT IT INCLUDES A PROFILED HOLLOW RING IN WHICH A RING WITH A STRAIGHT SECTION CORRESPONDING TO THAT OF THE TROUGH AND IN THAT THE MATERIAL OF THE FLEXIBLE PIPE OR THE BELLOW IS BLOCKED BETWEEN THE TWO ABOVE RINGS. THE INVENTION RELATES TO CONVEYORS OF BULK MATERIALS, DUST FILTERS, ETC.

Expansion joints esp. for reactor cooling systems - comprise concertina-tubes reinforced by steel rings

Anpansion joint which has reinforcing rings comprises a concentina-shaped metal body with reinforcings in each fold. The rings are at least partly of circular cross-section with radius smaller than that of the corrugation at the point of contact. The joint is not under strain, and the metal rings do not contact the body when the concentina-joint is compressed. The expansion joint is partic. for use in cooling circuits in rapid generator reactors, and also in other nuclear reactor plants and in chemical plants. The joint has higher strength and so can resist higher pressures. Tersional effects are avoided, so that the joint has longer life. The joint meets the requirements defined by EJMA.

Removable flexible connection, large diameter and high pressures

Raccord flexible démontable, grand diamètre et hautes pressions L’invention concerne un raccord flexible (10) pour relier un premier et un deuxième segment (1a,1b) d’un conduit (1). Le raccord flexible (10) comprend un troisième segment (11), à surface ondulée, un premier et un deuxième renforts annulaires (13a,13b), un manchon tressé (12), et un premier et un deuxième colliers de serrage (15a,15b). Le troisième segment (11) est destiné à relier une extrémité du premier segment (1a) à une extrémité du deuxième segment (1b). Les premier et deuxième renforts annulaires (13a,13b) sont destinés à être emmanchés autour des premier et deuxième segments (1a, 1b), respectivement. Le manchon tressé (12) est destiné à être emmanché autour des premier et deuxième renforts annulaires (13a,13b) et du troisième segment (11). Les premier et deuxième colliers de serrage (15a,15b) sont destinés à serrer le manchon tressé (12) autour des premier et deuxième renforts annulaires (13a,13b). . Figure pour l’abrégé : Fig. 1A. The invention relates to a flexible connector (10) for connecting a first and a second segment (1a, 1b) of a conduit (1). The flexible connector (10) comprises a third segment (11), with corrugated surface, first and second annular reinforcements (13a, 13b), a braided sleeve (12), and first and second clamps (15a, 15b). The third segment (11) is intended to connect one end of the first segment (1a) to one end of the second segment (1b). The first and second annular reinforcements (13a, 13b) are intended to be fitted around the first and second segments (1a, 1b), respectively. The braided sleeve (12) is intended to be fitted around the first and second annular reinforcements (13a, 13b) and the third segment (11). The first and second clamps (15a, 15b) are intended to clamp the braided sleeve (12) around the first and second annular reinforcements (13a, 13b). . Figure for the abstract: Fig. 1A.

PIPE COMPENSATOR FITTING

DEVICE FOR CONNECTING WITH VIBRATION DECOUPLING TWO BODIES OF AN EXHAUST SYSTEM

L'invention concerne un dispositif (1) pour relier avec découplage des vibrations un premier élément de conduite à un deuxième élément de conduite d'un système d'échappement, comprenant un tuyau métallique flexible (6) doté d'un premier tronçon de paroi (5), réalisé de préférence au moins pour partie du genre soufflet, et d'un deuxième tronçon de paroi terminal (7), réalisé coniquement élargi, pour l'accouplement au premier élément de conduite du système d'échappement. Selon l'invention, le deuxième tronçon de paroi (7) est réalisé d'un seul tenant avec le premier tronçon de paroi (5), ou bien le deuxième tronçon de paroi (7) est formé par un élément séparé formant manchon, lequel élément formant manchon est emboîté dans une extrémité de raccordement cylindrique et lisse du tuyau métallique flexible (6) et y est immobilisé à force ou par liaison de matière. The invention relates to a device (1) for connecting a first pipe element to a second pipe element of an exhaust system with vibration decoupling, comprising a flexible metal pipe (6) with a first wall section. (5), preferably at least partly of the bellows type, and a second conically formed enlarged end wall section (7) for coupling to the first pipe element of the exhaust system. According to the invention, the second wall section (7) is formed integrally with the first wall section (5), or the second wall section (7) is formed by a separate sleeve element, which sleeve element is fitted into a cylindrical and smooth connection end of the flexible metal pipe (6) and is immobilized by force or by material connection.

Reinforcement of ptfe/elastomer bellows - with(hemi)toroidal steel/al /gfr polyester rings

Steel or alloy reinforcement comprises a hemitoroidal ring on the crests of te vellows corrugations, and a toroidal ring in their hollows, forming a discontinuous envelope which resists press. while leaving the bellows flexible and responsive.

Flexible conduit element

The current invention comprises a flexible conduit means for an exhaust system of a combustion engine vehicle, comprising a bellows member ( 2 ), an outer flexible braided or knitted member ( 3 ) enclosing the bellows member, a resilient member ( 4 ), that is elastically deformable and encloses the outer braided or knitted member at least partially and abuts against it, whereas the bellows member comprises two corrugated portions ( 21 ), a connecting portion ( 24 ) between the corrugated portions, and the resilient member ( 4 ) encloses the connecting portion at least partially, the connecting portion ( 24 ) comprises flanks ( 25 ) that are formed at its axial ends and extend at least in a radial direction, and a curved portion ( 26 ) which connects the flanks with each other and which is at least partially enclosed by the resilient member ( 4 ).

Method of manufacturing an expansion element

Expansion element consisting of a corrugated stainless steel pipe welded to stubs of normal steel, the said weld being made by depositing stainless steel as a welding material onto end surfaces of the stubs, milling the deposited material for forming a substantially radial and a substantially cylindrical surface intersecting each other and welding the corrugated pipe to said surface.

Pipe member having a metal bellows

Hose with interlocking parts for vehicle exhaust gas systems

A heavy commercial vehicle has an exhaust tube made from metal strip of essentially S-shaped cross-section which is wound in a helical pattern and folded at the edges, allowing the edges to interlock with the adjacent winding. The pipe is made up of a series of such layers, one wound over the other. Chosen sectors of each layer have embossed pimples (9a-d) which touch the layer above.

Method of installing an expansion compensator and an expansion compensator

Methods and apparatus for installing an expansion compensator having a longitudinal axis, and comprising first and second spaced apart ends, an expansion/contraction section located between the first and second spaced apart ends, a first connector provided at the first end, a second connector provided at the second end, and an installation guard operable to inhibit axial compression of the expansion/contraction section during installation. The expansion compensator may be installed by coupling the expansion compensator to a piping system, and after the expansion compensator has been coupled to the piping system, adjusting the installation guard to permit axial compression of the expansion/contraction section during operation of the piping system. The expansion compensator or a portion thereof such as the expansion compression section may have a first coefficient of thermal expansion along the longitudinal axis and a thermal compression guard, which may be the installation guard, may have a second, lower coefficient of thermal expansion along the longitudinal axis and the thermal compression guard may be operable to inhibit axial compression of the expansion/contraction section due to thermal contraction of the expansion compensator.

Expansion compensator with anti-torque device

SJAELVSTYRD AXIALKOMPENSATOR FOER ROERLEDNINGAR

Process for the production of a compensation piece

Improvements in or relating to corrugated tubing such as is used in bellows

884,079. Making corrugated tubing. YOWELL J. W., and MINER D. B. March 10, 1958, No. 7691/58. Classes 99(1) and 99(2) [Also in Group XXII] Corrugated tubing e.g. of metal, comprises a resilient tubular body made from a single piece of tubing having annularly extending corrugations formed by inner cylindrical wall portions 23, Fig. 7, and outer annular wall portions 42 having a substantially part-circular axial crosssection which normally extends through an arc materially greater than 180 degrees and is free from reverse curvatures. Tubing 10, Fig. 2, having hydroformed corrugations made as disclosed in U.S.A. Specification 1,946,472, is placed in a formed jig 16 composed of separable sections 17 secured together by bolts. An eccentricallymounted mandrel is rotated about its axis so as to flatten the portions 15 against the cylindrical portions 21. In another method an uncorrugated tube is subjected to internal fluid pressure to flatten the portions 23, Fig. 4, against the bores of a series of axially displaceable rings 26. Tubing formed by either method is then clamped at each end in a device 28 to enable the tube to be lengthened by turning the handle 37, which by means of the screw threaded rod 36 and mating bush 39, moves the end plate 30 away from the end plate 39. With the tubing cross-section shaped as shown at 41, hydraulic pressure is introduced into the tube through a conduit 33 to cause the portions 12, 13 and 14 to be ballooned out whilst the tube is shortened by rotation of the handle 37. Long lengths of tubing may be supported internally by a tube 40a. The corrugations of a conventional closed end bellows 44, Fig. 8, are reworked by internal press sure, as in Fig. 5, in a device 43 by clamping the bellows flange between a plug 47 and a seat 48. Rotation of a cam 51 provides positive control over the length of the bellows by simultaneous movement of a rod 50 and a platform 52. Specification 778,689 also is referred to.

Blocking device for an axial expansion joint for pipes

Die Erfindung betrifft einen axialen Rohrkompensator, dessen Axialverschiebung zur Druckprobe durch einen radialelastischen Federring blockiert wird. Dieser Federring geht beim ersten Warmfahren des Kompensators automatisch aus seiner Blockierstellung in eine andere Radialposition über und gibt damit die axiale Verschiebbarkeit des Kompensators in beiden Richtungen frei. The invention relates to an axial pipe compensator, the axial displacement of which is blocked for the pressure test by a radially elastic spring ring. When the compensator is warmed up for the first time, this spring washer automatically changes from its blocking position to another radial position and thus enables the compensator to be axially displaced in both directions.

Flexible coupler apparatus

A flexible coupler apparatus (10) for joining successive lengths of pipe in an exhaust system for a vehicle. An inner sleeve member (17) is concentrically received by an outer sleeve member (16). A substantially porous, non-sealing, vibration absorbing spacer member (48) is arranged between the sleeve members (16,17) where they overlap, to preclude direct contact between the sleeve members (16,17). The spacer member (48) is non-sealing to preclude deterioration while minimizing interference with the reciprocation and articulation of the sleeve members (16,17). A flexible, extensible member (22) mechanically connects the sleeve members (16,17) at their distant non-overlapped ends. A closure member (23) may be employed to protect the extensible member (22) from damage from external elements and forces.

Flexible expansion joint having means for limiting lateral movement

A flexible expansion joint or coupling of the type disclosed in U.S. Pat. No. 3,527,481 having incorporated therein means for preventing substantial lateral movement of individual expansion limiting means surrounding the flexible conduit element thereof to prevent the assumption of a laterally displaced spiral-like configuration normally preceding the bursting of the conduit element as a result of internal pressure. The means permits a limited degree of pivotal movement of the expansion limiting means about an axis perpendicular to the principal axis of the flexible conduit element.

? bleed air duct assembly for a motor and gasket assemblies?

um conjunto de conduto (80) e um conjunto de juntas (86) de motor de turbina (10) que possui um invólucro externo (100) definindo, pelo menos parcialmente, um interior (104) do conjunto de juntas (86), um invólucro interno (108) recebido, pelo menos parcialmente, dentro do invólucro externo (100) e formando uma interface com o mesmo e definindo um restante (114) do interior (104) do conjunto de juntas (86) e possuindo uma porção flexível (136) para o movimento dinâmico do conjunto de conduto (80) durante o funcionamento do motor (10). a duct assembly (80) and a turbine engine gasket assembly (86) having an outer housing (100) defining at least partially an interior (104) of the gasket assembly (86), a inner casing (108) received at least partially within the outer casing (100) and forming an interface therewith and defining a remainder (114) from the interior (104) of the gasket assembly (86) and having a flexible portion ( 136) for the dynamic movement of the conduit assembly (80) during engine operation (10).

Connection of tie rods to flanges and articulation or pipe articulation pieces

In the case of connections of tie rods to flanges of articulation or pipe articulation pieces, as well as compensators, the flanges and/or pipe articulation pieces exhibit lateral incisions, by means of which they engage behind one another. In order also to achieve fixing with respect to movements in the direction of the articulation axes, the invention provides a connection of tie rods to flanges of articulation or pipe articulation pieces, said flanges exhibiting diagonally opposite, radial widenings which are provided with incisions into which the tie rods, engaging behind the flange, are inserted, in the case of which the flanges (3, 3a, 3b) are configured in two parts such that the widenings (6a, 6b) are likewise each configured in two parts, and that the incisions (8, 22) are located in essentially radial side edges (7, 21) of the widenings (6a, 6b). <IMAGE>

Flexible line element, preferably decoupling element for the exhaust system of a motor vehicle

Flexibles Leitungselement (1), vorzugsweise als Entkoppelelement für die Abgasanlage eines Kraftfahrzeugs mit Verbrennungsmotor, mit einem Metallbalg (2) und mit einer den Metallbalg (2) zumindest abschnittweise umgebenden Außenkomponente (3), vorzugsweise Gestricke oder Geflecht, dadurch gekennzeichnet, dass die Außenkomponente (3) mittels wenigstens eines durch Magnetumformung umgeformten Haltemittels (4) im Bereich der Balgwellen (2a, 2b, 2c) an dem Metallbalg (2) festgelegt ist. Flexible line element (1), preferably as a decoupling element for the exhaust system of a motor vehicle with an internal combustion engine, with a metal bellows (2) and with an outer component (3), preferably knitted fabric or braid, which at least partially surrounds the metal bellows (2), characterized in that the outer component (3) is fixed to the metal bellows (2) in the region of the bellows shafts (2a, 2b, 2c) by means of at least one holding means (4) which is deformed by magnet deformation.

Flexible Tube for Exhaust Pipe of Automobiles

본 발명은 자동차 배기관용 플렉시블 튜브에 관한 것으로, 더욱 상세하게는 벨로우즈의 중앙 골부 내경을 양단 골부 내경보다 크게 형성하여 인터록부재와 갭을 크게 함으로써, 벨로우즈와 인터록부재의 간섭을 미연에 방지하여 주행 소음을 개선하고, 양단부는 갭을 작게하여 산높이를 크게 가져감으로써 벨로우즈의 유연성과 내구성을 향상시킬 수 있도록 발명된 것이다. 본 발명의 구성은, 속이 빈 원통형으로 파형의 주름이 반복 성형되는 금속재의 벨로우즈부재(10)와; 상기 벨로우즈부재(10)의 내부로 소정의 갭이 유지된 상태로 위치되며, 나선형으로 감겨져 나선홈이 형성되고 변형을 흡수시키는 인터록부재(20)와; 상기 벨로우즈부재(10)의 외측을 감싸지게 위치되며, 압축방향으로의 변위와 인장력에 대해서도 큰 변위로 신축성있게 변형될 수 있도록 편조된 브레이드부재(30)와; 상기 브레이드부재(30)가 벨로우즈부재(10)의 양단 외측부에 고정되게 결합하는 캡부재(40)와; 상기 벨로우즈부재(10)에 일단이 고정되고, 타단은 인터록부재(20)를 향해 내측으로 중첩되어 고정되는 링형상의 매개부재(50)로 구성된 것에 있어서; 상기 벨로우즈부재(10)는, 산부(12)의 외경과 내경이 일정하게 반복되는 중앙부(C)의 최대골부내경(D3)보다, 양단부(U)의 최소골부내경(D1)이 작게 형성하여 중앙부(C)의 위치에서 내경부와 인터록부재(20)와의 접촉을 방지하기 위한 갭을 유지하도록 구성됨을 특징으로 한다. 그리고, 상기 벨로우즈부재(10)는 중앙에 일정한 최대골부내경(D3)와 양단부(U)의 최소골부내경(D1)의 사이에 중간골부내경(D2)을 형성한다. 또, 상기 벨로우즈부재(10)의 중앙부(C)에는, 일정하게 반복된 산부(12)와 골부(13)보다 높이가 더 낮은 저산부(12a)와, 저골부(13a)가 성형된 보강구간(S)이 더 형성된다. 또한, 상기 벨로우즈부재(10)의 중앙부(C)에 일정하게 반복된 산부(12)와 골부(13)보다 높이가 더 낮은 저산부(12a)와, 저골부(13a)가 링 형상을 갖고 성형된 보강구간(S)을 더 형성시켜 달성된다.

Flexible pipe unit for use in the exhaust system of a vehicle internal combustion engine

Flexible conduit element

Die Erfindung betrifft ein flexibles Leitungselement, insbesondere für Abgasleitungen von Verbrennungsmotoren bei Kraftfahrzeugen, mit einem Balg, mindestens einem an den Balg koaxial angrenzenden Zusatzelement, insbesondere einem Metallgeflechtsschlauch oder einem Metallgetrickeschlauch und/oder einem innerhalb des Balges angeordneten Wickelschlauch, wie einem Agraffschlauch, wobei zwischen Balg und Zusatzelement ein aus Metallwolle bestehendes Dämpfungselement angeordnet ist, das aus einem spiralförmig gewickelten Band aus Metallwolle besteht. Der vorgeschlagene Erfindungsgegenstand ermöglicht eine flexible Parametrierung der Dämpfungscharakteristik bei gleichzeitiger Reduzierung der Variantenvielfalt und bei vereinfachter Montage. The invention relates to a flexible line element, in particular for exhaust lines of internal combustion engines in motor vehicles, with a bellows, at least one additional element coaxially adjoining the bellows, in particular a metal braided hose or a metal trick hose and / or a wrapped hose arranged within the bellows, such as an Agraff hose, with between Bellows and additional element, a damping element made of metal wool is arranged, which consists of a spirally wound band of metal wool. The proposed subject matter of the invention enables flexible parameterization of the damping characteristics with a simultaneous reduction in the number of variants and with simplified assembly.

Universal pipe joint with bellows between flanges - has cable trained around pulleys alternately mounted on flanges

Universal pipe joint comprises two flanges connected together by a bellows which conducts fluid between pipes connected by the joint. Tension leads on the joint are taken by a flexible cable trained in succession over pulleys which are mounted alternately at the outside of the bellows. Thus the cable passes from a pulley (4) supported by a bearing bracket (3) secured to the one flange on to a pulley similarly mounted on the other flange and so on all round the joint. As the joint is bent certain cable runs become shorter while others lengthen.

EXPANSION COMPENSATOR MOUNTED BETWEEN TWO PIPES

COMPENSATOR TUBE, ESPECIALLY FOR PIPES

LE TUBE COMPENSATEUR, NOTAMMENT POUR CANALISATIONS, COMPREND AU MOINS UN SOUFFLET ENCADRE PAR DEUX EMBOUTS ENTOURES D'UNE PLAQUE TRANSVERSALE. CES PLAQUES SONT RELIEES ENTRE ELLES PAR DES TIRANTS ARTICULES DONT LES EXTREMITES SONT ASSUJETTIES DANS DES OUVERTURES CORRESPONDANTES DES PLAQUES. LES TIRANTS 6 A 8 SONT, AU MONTAGE, INTRODUITS PAR LEUR EXTREMITE ARTICULEE DANS LES OUVERTURES DES PLAQUES 4 ET 5 A PARTIR DE LA FACE DE CELLES-CI OPPOSEE AU SOUFFLET 1. LES TIRANTS 6 A 8 PRESENTENT, A L'AUTRE EXTREMITE, UN ELARGISSEMENT EN FORME DE MARTEAU 6A, 7A, 8A, PAR LEQUEL ILS S'ACCROCHENT A LA FACE DES PLAQUES 4, 5 OPPOSEE AU SOUFFLET 1. APPLICATION EN PARTICULIER A LA COMPENSATION DES CONTRAINTES EN FLEXION OU EN CISAILLEMENT DANS LES CANALISATIONS. THE COMPENSATOR TUBE, ESPECIALLY FOR PIPES, INCLUDES AT LEAST ONE BELLOWS FRAMED BY TWO ENDINGS SURROUNDED BY A CROSS-PLATE. THESE PLATES ARE CONNECTED TO BETWEEN BY ARTICULATED TENSIONS THE ENDS OF WHICH ARE SUBJECT TO CORRESPONDING OPENINGS OF THE PLATES. THE TENSIONS 6 TO 8 ARE, ON ASSEMBLY, INTRODUCED BY THEIR ARTICULATED END IN THE OPENINGS OF THE PLATES 4 AND 5 FROM THE FACE OF THEM OPPOSED TO THE BELLOWS 1. THE TENSIONS 6 TO 8 SHOW, AT THE OTHER END, A HAMMER-SHAPED ENLARGEMENT 6A, 7A, 8A, BY WHICH THEY LOCK ON THE FACE OF THE PLATES 4, 5 OPPOSED TO THE BELLOWS 1. APPLICATION IN PARTICULAR TO THE COMPENSATION OF BENDING OR SHEARING CONSTRAINTS IN THE PIPES.

Patent FR2310522B1

Patent DE9207276U1

Improvements in tuyere feed lines in blast furnaces

1,023,942. Expansion joints. COLVILLES Ltd. May 16, 1963 [May 16, 1962], No. 18791/62 Heading F2G. A transversely corrugated bellows 14 connects end members 12, 13 and a tube 15 secured to the member 12 extends almost to the member 13 whereby the bellows is protected against damage by the fluid in the pipe-line 11. A baffle 16 is secured to the member 13 whereby eddy currents in the fluid between the tube and bellows are reduced. The tube 15 is of refractory material strengthened by a metal sheath 22, 'and a spherical joint 35 is maintained in tightened condition by cotters engaging projections 38 and which pass through bars 36 carried by a ring 30 connected by turnbuckles 33 to a ring 34.

Flexible pipe element

Duplex anticorrosive metal corrugated hose

本发明公开了一种应用在海上石油钻井平台上的复式防腐金属波纹软管，它由接管、护管、波纹软管、网套、节管和弯管组成两端对称顺弯的管道。本发明在不改变配套管道柔性特征的基础上，通过增设附在内外管壁上的防腐层来解决抗海水腐蚀的问题。外防腐层附在与接管顺序相连接的护管、网套和弯管外壁上，该防腐层用硫化橡胶制成。内防腐层用聚四氟乙烯制造，它附在相连接的接管、波纹软管、节管和弯管内壁上。此种复式防腐结构完全做到隔离海水与管道金属构件接触，可避免发生海水侵蚀事故，确保配套管道无故障运行至少10000小时。本发明特别适合海上石油钻井平台和船舰配套。

Dynamic liner sleeve for flexible coupling

A flexible coupling (10) includes a liner (16), a bellow (12), and a liner sleeve (18) preferably defined by a compressed woven mesh strip (22) spirally wound around the liner (16) between bellow (12) and liner (16) and moveable longitudinally with respect to the bellow (12) and liner (16) when the coupling (10) expands linearly. An alternate sleeve in the form of a cylinder is disposed about the liner, under the bellow and is formed of a woven non-compressed mesh.

REINFORCED METAL BELLOW SHAPE SEALING DEVICE.

Patent FR2088525B1

Fluid transfer device and apparatus including such device

Группа изобретений относится к трубопроводному транспорту и может быть использована для компенсации перемещений трубопровода. Устройство перемещения текучей среды между двумя отдельными конструкциями (5, 7) содержит жесткий трубопровод с двойным кожухом, расположенный вдоль продольной оси (х). Трубопровод содержит наружный кожух (2), в объеме которого, предназначенном для создания вакуума, находится по меньшей мере одна внутренняя труба (3) перемещения текучей среды. Трубопровод содержит на первом конце первое жесткое соединение (4) наружного кожуха (2) с первой конструкцией (5) и на втором конце второе жесткое соединение (6) наружного кожуха (2) со второй конструкцией (7). Первый и второй концы наружного кожуха (2) жестко соединены с упомянутой по меньшей мере одной внутренней трубой (3), при этом трубопровод содержит систему компенсации перемещений, содержащую по меньшей мере одну гибкую зону (13, 14) и по меньшей мере одну эластичную зону (10, 11, 30). В продольном направлении (х) система компенсации перемещений дополнительно содержит скользящее соединение (12) вдоль продольной оси (х) между наружным кожухом (2) и первой конструкцией (5), и карданный механизм (17), содержащий два кардана и механически соединяющий два конца гибкой зоны (13, 14). 2 н. и 14 з.п. ф-лы, 6 ил.

Pipe member having a metal bellows

Insbesondere für Abgas- und Rückführleitungen von Kraftfahrzeugen wird ein Leitungselement (1) mit einem mit zylindrischen Anschlußenden versehenen, Leitungsteil aus Metall und einem darin koaxial angeordneten Geflechtsschlauch (6) oder Gestrickeschlauch aus Metalldraht angegeben, wobei das Leitungsteil wenigstens einen gewellten Balg enthält, Leitungsteil und Schlauch an einem Ende fest miteinander verbunden sind und an einer weiteren Stelle der Längserstreckung des Schlauches dessen Drähte über den Schlauchumfang bleibend gegenseitig festgelegt sind. Dabei ist vorgesehen, daß der Schlauch (6) durch eine auf ihn im Sinne einer radialen Aufweitung wirkende Spreizkraft wenigstens örtlich in reibende Anlage gegen die den freien Innendurchmesser des Leitungsteiles (1,40-42) bildenden Wandungen des Leitungsteiles gebracht ist. In particular for exhaust gas and return lines of motor vehicles, a line element (1) is provided with a metal line part provided with cylindrical connection ends and a braided hose (6) or knitted hose made of metal wire coaxially arranged therein, the line part containing at least one corrugated bellows, line part and Hose are firmly connected at one end and at a further point in the longitudinal extension of the hose, the wires are mutually fixed over the circumference of the hose. It is provided that the hose (6) is at least locally brought into frictional contact with the walls of the line part forming the free inside diameter of the line part (1,40-42) by a spreading force acting on it in the sense of a radial expansion.

Flexible tube for exhaust pipe

The present invention relates to a flexible tube for an exhaust pipe of an automobile, which has a spring member provided along a circumferential surface of outer braids thereof, so that the vibration of the flexible tube and the generation of noise and harshness caused by over-vibration of an exhaust system can be suppressed and riding comfort of drivers and passengers can be improved. The flexible tube according to the present invention comprises a bellows member 10 corrugated to have alternate ridges 11 and furrows 12 along its outer periphery; outer braids 30 provided at a predetermined distance from the outer periphery of the bellows member 10; fixing caps 40 fitted onto both side ends of the outer braids 30 respectively; and a spring member 60 provided on a circumferential surface of the outer braids 30 to be closely contacted thereto.

Patent DE8705612U1

Flexibilized silencer

A silencer (18) for the exhaust system of an internal-­combustion engine is proposed, which is characterized by a skirt (21) comprising flexible elements, e.g, formed by a wall made from an at least partially corrugated metal sheet, for the purpose of allowing relative movements to occur between the two branches (24, 26) of an exhaust duct (17), made integral with the ends of the skirt of said silencer.

Flexible tube for automotive exhaust systems

A flexible tube for automotive exhaust systems which has bellows for offsetting the displacements of first and second exhaust pipes in an automotive exhaust system, wherein the flexible tube comprises a means constituting a member having an outer cover (5) formed cylindrically out of a plate material and covering an outer circumference of bellows (3), first and second collars (7', 7'') provided with rising portions (7a', 7a'') extending toward an inner surface (5a) of the outer cover (5), first and second elongation displacement stoppers (6', 6'') formed by bending both end portions of the outer (5) cover inward, and first and second elastic stoppers (8', 8'') provided on the rising portions (7a', 7a'') of the collars (7', 7''); and displacement stoppers (9a, 9b) formed by bending both end portions of a second outer cover (9) provided on the inner side of the outer cover (5).

Flexible interface for bellows ball joint assembly for controlled rotational restraint

外側シュラウド（１００）、ベローズ（１０６）、フレアチューブ（１２０）、バッキングリング（１２２）、および動的リング（１２８）を有するジョイントアセンブリ（８６）を含むタービンエンジン（１０）ダクトアセンブリ（８０）。ジョイントアセンブリ（８６）は、エンジン（１０）の動作中にダクトアセンブリ（８０）の動的移動を提供する。このような動的移動は、エンジン（１０）の振動力または熱膨張の結果であってもよい。ジョイントアセンブリ（８６）は、過度のシステム剛性なしに、このような動的移動を可能にする。 【選択図】図３

Expansion compensator with multiple layers with differing stiffness

An expansion compensator having a longitudinal axis, and having an elongate metal conduit with first and second spaced apart ends and an expansion/contraction section, an inner plastic liner positioned interior of the elongate metal conduit and having an expansion/contraction section and an interior volume extending from the first end to the second end, wherein each of the elongate metal conduit and the inner plastic liner have a stiffness along the longitudinal axis, and the stiffness of the elongate metal conduit is greater than the stiffness of the inner plastic liner.

Floating load ring for flexible joint

Flexible piping used for exhaust pipe of automobile engine

본 발명은 내연기관의 배기 관로를 위한 가요성 배관체에 관한 것으로서, 제1배기관에 연결될 어댑터가 형성된 전방 개방 단부와 상기 제2배기관에 연결될 어댑터가 형성된 후방 개방 단부를 갖는 금속제 벨로우즈를 포함한다. 상기 금속제 벨로우즈의 둘레에는 금속제 원통형 외부 케이스가 동축을 이루게 배치되어 원통형 공간을 형성한다. 상기 외부 케이스의 전방 단부와 상기 벨로우즈의 전방 단부 사이에는 제1구조체가 배치되어 기계적 연결부를 이룬다. 상기 외부 케이스의 후방 단부와 상기 벨로우즈의 후방 단부 사이에는 제2구조체가 배치되어 기계적 연결부를 이룬다. 상기 제1구조체와 상기 제2구조체 중의 적어도 하나는 스프링 부재를 포함함으로써 상기 벨로우즈와 상기 외부 케이스가 탄성적으로 연결되게 한다. The present invention relates to a flexible pipe for an exhaust pipe of an internal combustion engine, and includes a metal bellows having a front open end with an adapter to be connected to a first exhaust pipe and a rear open end with an adapter to be connected to the second exhaust pipe. A metallic cylindrical outer case is arranged coaxially around the metallic bellows to form a cylindrical space. A first structure is disposed between the front end of the outer case and the front end of the bellows to form a mechanical connection. A second structure is disposed between the rear end of the outer case and the rear end of the bellows to form a mechanical connection. At least one of the first structure and the second structure includes a spring member to elastically connect the bellows and the outer case.

Flexible conduit section for a waste gas conduit of a combustion engine

The flexible conduit part comprises an annularly corrugated or helically corrugated metal bellows (1) with an upstream cylindrical front end portion (4) and a downstream cylindrical rear end portion (5). A catalyst (8) or particle filter is directly or indirectly attached on the cylindrical front end portion of the metal bellows for cleaning an exhaust gas flow of the combustion engine. A spacer element (10) made of metallic or ceramic wires with damping characteristics is set on the outer periphery of the catalyst or particle filter or on a surrounding support tube (7).

Expansion joint

本发明涉及一种用于联结管道的两个相邻部分的膨胀接头(1)。膨胀接头(1)包括膨胀波纹管(5)、膨胀壁(2)和内套筒组件(8)。膨胀壁(2)包括第一壁部分(3)和第二壁部分(4)，其中第一壁部分(3)和第二壁部分(4)通过轴向间隙彼此轴向隔开。膨胀波纹管(5)连接到第一壁部分(3)和第二壁部分(4)，使得第一壁部分(3)与第二壁部分(4)之间的轴向间隙闭合，并且使得第一壁部分(3)和第二壁部分(4)柔性连接。膨胀壁(2)和内套筒组件(8)在彼此之间限定至少一个密封腔室(9、10)，并且至少一个密封腔室(9、10)用第一气体填充。

Tube compensator for compensating the length variation of pipelines

Corrugated high-pressure hose - comprises layer of tough sealing material reinforced by strong wire etc. following contours

The pipe comprises a hose with annular corrugations and in one or more layers and of metal, resistant to high internal and external pressure and/or temp. coupling flanges being fixed to its ends. One at least of the layers is of tough material forming a seal for the medium handled, and this is reinforced by one or more layers of narrow tape, wire, fibre etc. of strong material, following its contours. The reinforcing components can be arranged to run in the lengthwise direction of the hose, or at an angle to the latter.

Flexible vibration absorbing tube

A flexible tube includes a bellows tube, an interlock tube placed inside the bellows tube, and upstream-side and downstream-side joint pipes coupled to opposite ends of the bellows tube. Diameters of fixing end portions located at opposite ends of the interlock tube are made larger than a diameter at a middle portion of the interlock tube, extension portions of the upstream-side and downstream-side joint pipes are fitted and fixed to inner peripheral surfaces of the fixing end portions of the interlock tube, and a depth of each of valley portions of a bellows portion of the bellows tube located over the fixing end portions is smaller than a depth of other valley portions of the bellows portion. Accordingly, it is possible to achieve the downsizing of the flexible tube that is connected to an exhaust system being continuous with an engine to dampen vibrations in the axial direction of the exhaust system.

Length-compensation unit for sub-soil electrical power cable has strong outer pipe separated from inner corrugated tube by plastic or elastic rings

A sub-soil electrical power cable has a length-compensation unit consisting of a strong tubular mantle (1) around a corrugated tube (2). The outer pipe and inner tube are separated by plastic or elastic rings (3, 4).

Removable flexible connector, large diameter and high pressure

Raccord flexible démontable, grand diamètre et hautes pressions L’invention concerne un raccord flexible (10) pour relier un premier et un deuxième segment (1a,1b) d’un conduit (1). Le raccord flexible (10) comprend un troisième segment (11), à surface ondulée, un premier et un deuxième renforts annulaires (13a,13b), un manchon tressé (12), et un premier et un deuxième colliers de serrage (15a,15b). Le troisième segment (11) est destiné à relier une extrémité du premier segment (1a) à une extrémité du deuxième segment (1b). Les premier et deuxième renforts annulaires (13a,13b) sont destinés à être emmanchés autour des premier et deuxième segments (1a, 1b), respectivement. Le manchon tressé (12) est destiné à être emmanché autour des premier et deuxième renforts annulaires (13a,13b) et du troisième segment (11). Les premier et deuxième colliers de serrage (15a,15b) sont destinés à serrer le manchon tressé (12) autour des premier et deuxième renforts annulaires (13a,13b). . Figure pour l’abrégé : Fig. 1A.

DEVICE FOR FLEXIBLE CONNECTION OF TWO RIGID CONDUITS

Flexible tube for exhaust pipe of automobiles

Exhaust decoupler system

본 고안은 자동차 배기관용 디커플러에 관한 것으로, 엔진측으로 부터 배기가스가 내부로 통과되도록 접속되는 관형상의 슬리브(10)와; The present invention relates to a decoupler for automobile exhaust pipe, tubular sleeve 10 is connected to the exhaust gas from the engine side to the inside; 각각 분리된 상태로 엔진측과 배기관을 향해 대향되게 위치되며, 일측은 상기 슬리브(10)의 외측에 결합되어, 그 단부에 원주방향으로 림(20a)(21a)이 절곡되는 한쌍의 인너 리테이너부재(20)(21)와; A pair of inner retainer members, each of which is disposed to face each other toward the engine side and the exhaust pipe in a separated state, one side of which is coupled to the outer side of the sleeve 10 and whose rims 20a and 21a are bent in the circumferential direction thereof. (20) (21); 상기 인너 리테이너부재(20)(21)의 림(20a)(21a) 사이에 위치 고정되어 배기가스의 기밀을 유지하며 신축 및 밴딩을 흡수하는 벨로즈(30)와; A bellows 30 fixed between the rims 20a and 21a of the inner retainer members 20 and 21 to maintain the airtightness of the exhaust gas and to absorb the stretching and the bending; 상기 인너 리테이너부재(20)(21)의 각 외측에 위치되어 양단은 인너 리테이너부재(20)(21)와 결합되고, 내측단은 각각 중앙을 향해 트여지는 아우터 리테이너부재(40)(41)와; An outer retainer member 40 and 41 positioned at each outer side of the inner retainer members 20 and 21, and both ends thereof are coupled to the inner retainer members 20 and 21, and inner ends thereof are opened toward the center, respectively. ; 상기 인너 리테이너부재(20)(21) 및 아우터 리테이너부재(40)(41)의 사이를 분할하여 양측에 대칭되게 제1포켓(51)(52)과 제2포켓(53)(54)을 형성함과 아울러, 상기 벨로즈(30)의 외부를 감싸는 가이드링부재(50)와; The inner retainer member 20, 21 and the outer retainer member 40, 41 is divided between the first pocket 51, 52 and second pocket 53, 54 are formed symmetrically on both sides. In addition, the guide ring member 50 surrounding the outside of the bellows 30; 상기 제1포켓(51)(52)과, 제2포켓(53)(54)에 각각 채워지는 링형상의 인너완충부재(60) 및 아우터완충부재(61)가 구비되어, 가이드링부재(50)가 인너 및 아우터완충부재(60)(61)들 사이에서 밴딩변위 방향으로 대칭 슬라이드되는 것에 의해, 밴딩변위를 기능적으로 흡수하여 엔진에 그 영향을 최소화 시키고, 인너 및 아우터완충부재(60)(61)들 사이에서 유동되는 가이드링부재(50)의 슬라이드 길이가 단축되어 마모 및 마찰소음을 줄여 제품의 내구성과 배기관 전체의 피로수명을 증대시킬 수 있는 매우 유용한 고안인 것이다. A ring-shaped inner buffering member 60 ...

Improvements to bellows-shaped fittings

FLEXIBLE TUBE FOR EXHAUST TUBE OF A MOTOR VEHICLE

Pipe unit

A pipe unit includes a pipe body, first and second flanges, and an adjusting structure. The first flange and the second flange are respectively disposed on opposite first and second ends of the pipe body. The adjusted structure is disposed between the first and second flanges and serves to adjust the length of the pipe unit.

Bellows for connecting pipes or devices operated under vacuum

Flexible connection arrangement for connecting a pipe of an exhaust system to an engine, especially in a motor vehicle

A flexible connection arrangement for connecting a pipe of an exhaust system to an engine is provided at one of its axial ends with a fastening flange and at its other axial end with a connection piece for the end of the pipe to be received. The connection piece and fastening flange are connected with one another via a helical spring. A metallic bellows and a damping insert which extends coaxially to the bellows, encloses the bellows radially externally and contacts the turns of the bellows are provided between the connection piece and the fastening flange. The helical spring is connected at both of its axial end regions with the connection piece and fastening flange, respectively. The connection at the fastening flange is effected via two fastening locations, one of which lies at that end of the helical spring, while the second fastening location is arranged so as to be offset to the first fastening location by an angle of 45° to 53°. The first fastening location viewed in the winding direction of the helical spring lies at an angle in the range of 10° to 20° in front of a radial tilt axis running vertical to the longitudinal axis of the connection arrangement, the connection arrangement being tilted about this tilt axis when used in the prescribed manner.

EXPANSION BELLOWS

Soufflet de dilatation

ABSTRACT OF THE DISCLOSURE The present invention relates to expanding bellows which comprise corrugations forming an inner tubular part and an outer tubular part. An inner reinforcing ring slid in the corrugation comprises four annular portions joined along two parallel planes equidistant from the axis or the bellows. The reinforcing ring is held in place by a locking ring. The bellows are more particularly applicable to valve bodies in the petrochemical, iron and steel, and nuclear industries.