WO2007006410A1 - Manchon d'un tuyau a air de suralimentation destine a fixer le tuyau a air de suralimentation sur une douille, et procede de fixation de ce manchon - Google Patents

Manchon d'un tuyau a air de suralimentation destine a fixer le tuyau a air de suralimentation sur une douille, et procede de fixation de ce manchon Download PDF

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Publication number
WO2007006410A1
WO2007006410A1 PCT/EP2006/006137 EP2006006137W WO2007006410A1 WO 2007006410 A1 WO2007006410 A1 WO 2007006410A1 EP 2006006137 W EP2006006137 W EP 2006006137W WO 2007006410 A1 WO2007006410 A1 WO 2007006410A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
nozzle
charge air
air hose
spring ring
Prior art date
Application number
PCT/EP2006/006137
Other languages
German (de)
English (en)
Inventor
Thilo Möller
Klaus-Dieter Gertler
Jörg HELLFEIER
Ligia Ludwig
Peter Reichardt
Original Assignee
Mündener Gummiwerk Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mündener Gummiwerk Gmbh filed Critical Mündener Gummiwerk Gmbh
Publication of WO2007006410A1 publication Critical patent/WO2007006410A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • F02M35/10137—Flexible ducts, e.g. bellows or hoses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • F02M35/10144—Connections of intake ducts to each other or to another device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/1015—Air intakes; Induction systems characterised by the engine type
    • F02M35/10157—Supercharged engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10314—Materials for intake systems
    • F02M35/10321—Plastics; Composites; Rubbers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the present invention relates to a sleeve of a charge air hose according to the preamble of claim 1 and a method for attaching the sleeve to a neck of an internal combustion engine according to claim 33.
  • the charge air hose according to the invention is used, for example, in internal combustion engines provided with a turbocharger, the charge air hose transferring the charge air compressed by the turbocharger into a charge air duct.
  • Cooler leads and / or leads to engine entry. It has proven useful to produce the charge air hose in the hot area before the intercooler from a composite silicone elastomer, while the charge air hose between intercooler and engine inlet due to the lower temperatures there may be formed from a CR (chloroprene elastomer).
  • the present invention the object of the invention to provide a sleeve of the type mentioned above, which keeps the charge air hose at pressures up to 4 bar and more reliable and pressure-tight on the neck and in a simple manner attachable to the neck.
  • a sleeve with the features of claim 1 and a method for attaching the sleeve with the features of claim 33 is proposed according to the invention.
  • Advantageous developments of this sleeve and the method can be found in the respective subclaims.
  • a trained according to this technical teaching sleeve has the advantage that the sleeve with the charge air hose is not plugged from the outside on the neck, but is inserted from the inside into the socket, wherein the sleeve is dimensioned so that they at least with a part of its outside an inner wall of the nozzle comes to rest.
  • the sleeve in the region of the voltage applied to the inner wall outer side has an outer diameter which is greater than the inside diameter of the inner wall of the nozzle.
  • the charge air hose is integrally attached to the sleeve. This has the advantage that the unit from sleeve and charge air hose can already be factory-made, which is very cost-effective. Another advantage is that such a cohesive connection is durable.
  • the charge air hose is designed as a fold or wave bellows, wherein in at least one fold or wave bottom of the charge air hose, a support ring, preferably made of a non-elastic or only slightly elastic material.
  • This support ring has the advantage that in this way the charge air hose is reinforced and that thereby an axial expansion of the charge air hose is prevented at high pressures, but at least limited.
  • the sleeve is reinforced by a spring washer.
  • This spring ring presses the sleeve from the inside against the nozzle and thus causes an even better and more reliable anchoring of the sleeve in the nozzle. This is preferably done in addition to the bias of the sleeve, so that in this way an improved hold of the charge air hose is achieved in the nozzle.
  • the spring ring is held in a circumferential groove in the sleeve. This has the advantage that the spring ring can not slip and always remains in the correct position.
  • the spring ring is made larger than the inside diameter of the sleeve or the groove.
  • the spring ring is designed to be open. It has proven to be advantageous to overlap the two free ends. This has the advantage that the spring ring for insertion into the groove can be compressed in a simple manner. The overlapping ends ensure that the spring ring over the entire circumference exerts sufficient force on the interior of the sleeve, so that the sleeve is held pressure-tight in the nozzle.
  • annular, substantially radially extending mounting collar made of a stiff material, preferably of metal, is at least partially embedded in the sleeve.
  • This sleeve serves as a handle or stiffening of the sleeve and facilitates the insertion of the sleeve in the nozzle. It provides a particularly good grip cuff, if it extends partially axially, because then there is a better force in the axial direction.
  • a defined contact surface is formed on an end face of the sleeve, which comes to rest on a shoulder of the nozzle.
  • the sleeve is designed wedge-shaped viewed in the axial direction. As a result, the sleeve can be introduced even easier and faster in the socket.
  • At least one annular circumferential bead is formed on the sleeve, which is insertable into a corresponding groove in the neck.
  • This bead - groove connection provides a positive connection of sleeve and socket and prevents the unintentional slipping out of the sleeve. It has proved to be advantageous to flatten the bead in the mounting direction to facilitate the insertion of the sleeve into the nozzle. Also, it has proven to be advantageous to form a right-angled shoulder on the bead against the mounting direction, to prevent accidental slipping out of the sleeve.
  • At least one anti-twist device is provided on the sleeve in the region of the outer side adjacent to the connecting piece. This is to prevent unintentional twisting of the sleeve and / or the charge air hose. It has proved to be advantageous to mount at least one driver provided on the outside of the sleeve as an anti-twist device, which engages in a corresponding recess in the connecting piece. This has the advantage that hereby very cost-effective a positive and reliable rotation is realized.
  • an essentially L-shaped retaining sleeve made of a rigid material, preferably of metal, is provided on an inner side of the sleeve, which rests with its axial leg on the sleeve and rests with its radial leg on the charge air hose.
  • This has the advantage that the cuff braces the charge air hose against the sleeve and so fix both in the desired position. At the same time the cuff is together with the sleeve and to install the charge air hose in a simple manner.
  • Yet another advantage is that also presses radially on the sleeve to press the sleeve against the inner wall of the nozzle. This effect is reinforced as soon as the working pressure is applied.
  • Fig. 1 is a sectional side view of a first embodiment of a nozzle with a first embodiment of a sleeve according to the invention and a charge air hose attached to the sleeve;
  • Fig. 2 is a sectional side view of the nozzle of FIG. 1 with a second embodiment of an inventive
  • FIG. 3a shows a sectional side view of a second embodiment of a connecting piece with a third embodiment of a sleeve according to the invention and a charge air hose attached to the sleeve, cut along the line IIIa-IIIa in FIG.
  • FIG. 3b shows a cutaway front view of the connection according to FIG. 3a, cut along line NIb-MIb in FIG. 3a;
  • FIG. 3b shows a cutaway front view of the connection according to FIG. 3a, cut along line NIb-MIb in FIG. 3a;
  • Fig. 3c is a sectional front view of the compound according to FIG.
  • FIG. 3a taken along line IHc - INc in Fig. 3a; 4a shows a sectional side view of a third embodiment of a nozzle with a fourth embodiment of a sleeve according to the invention and a charge air hose attached to the sleeve in a first position;
  • FIG. 4b shows a side view of the connection according to FIG. 4a cut away in a second position
  • FIG. 5 is a sectional view of a fifth embodiment of a sleeve according to the invention in the assembled state.
  • Fig. 6 is a schematic representation of a part of a first embodiment of a retaining ring
  • Fig. 7 is a schematic representation of a part of a second embodiment of a retaining ring
  • Fig. 8 is a schematic representation of a part of a third embodiment of a retaining ring
  • Fig. 9 is a schematic representation of a part of a support ring.
  • Fig. 1 shows a charge air hose 100, as it can be used for example in turbocharged internal combustion engines.
  • This first embodiment of a sleeve 102 according to the invention is inserted inside a first embodiment of a nozzle 104.
  • the sleeve 104 abuts with an outer side 106 on an inner side 108 of the connecting piece 104.
  • the sleeve 104 has an outer diameter, which is about 0.4 mm larger than the inside diameter of the nozzle 104, so that the sleeve 102 is held biased in the nozzle 104 due to the elastic material.
  • the bias of the sleeve 102 can be reliably held in the nozzle.
  • the nozzle 104 is cylindrical inside formed, wherein a first portion for receiving the sleeve 102 has a larger diameter than a second portion. Between the first portion and the second portion, a shoulder 110 is formed, on which an end face 1 12 of the sleeve 102 comes to rest.
  • the sleeve 102 is U-shaped in cross-section and receives in its centrally disposed, circumferential slot 114 the actual charge air hose 100, wherein the charge air hose 100 formed from a chloroprene elastomer is vulcanized onto the sleeve 102.
  • the charge air hose 100 designed as a bellows carries a metal support ring 116 in the respective fold valley. This support ring prevents unwanted expansion of the charge air hose 100 even at high boost pressures.
  • the charge air hose 100 is already factory inserted into the slot 114 of the sleeve 102 and vulcanized.
  • the sleeve 102 needs to be compressed over its circumference and inserted into the interior of the nozzle 104.
  • the sleeve 102 can be compressed with muscle power.
  • this takes on the memory properties of the elastic material back to their original shape and is now with its outside 106 on the inside 108 of the nozzle 104 at. Due to the oversize of the sleeve 102, this is now slightly biased.
  • the sleeve 102 is pushed into the socket 104 so far until the sleeve 102 rests with its end face 112 against a stop 108 of the nozzle 104.
  • a sleeve 102 designed in this way, the charge air pressure prevailing in the interior of up to 4 bar presses on the sleeve 102 and presses it against the nozzle 104.
  • the sleeve 102 - nozzle 104 seals the better the higher the pressure rises.
  • the boost pressure can be increased to more than 4 bar and yet this sleeve 102 is easy to assemble.
  • the illustrated in Figure 2 second embodiment of a sleeve 202 according to the invention has, in contrast to the sleeve 102, a circumferential, radially projecting collar 220.
  • this collar 220 is also a circumferential circumferential collar 222 made of metal, the collar 220 and the Muf- Fe 202 stabilized and, in particular when inserting the sleeve 202 into the nozzle 104, the sleeve 222 stiffens the collar 220.
  • a spring ring 226 is provided on an inner side 224 of the sleeve 202, which is held in a circumferential groove 228 on the inner side 224 of the sleeve 202.
  • This spring ring 226 is semicircular in cross section, made in one piece and open at one point.
  • the outer diameter of the spring ring 226 is about 0.4 mm larger than the diameter of the sleeve 202 in the region of the groove 228, so that the spring ring 226 can be inserted under bias into the groove 228.
  • the spring ring 226 presses the sleeve 202 against the nozzle 104 and thus holds the sleeve 202 in the desired position, even if no boost pressure for pressing the sleeve 202 is applied.
  • the sleeve 202 is slightly compressed with its elastic material over the circumference by muscle power, so that the inserted into the sleeve 202 spring ring 226 pressed before the sleeve 202 inserted into the interior of the socket 204 becomes.
  • this takes, as well as the spring ring 22, due to the memory effect of the material back to their original shape and is now a perfect fit on the inside of the nozzle 208 at.
  • this second embodiment of the sleeve 202 corresponds to the first embodiment of the sleeve 102 shown in FIG.
  • Figs. 3a to 3c show a third embodiment of a sleeve 302, which corresponds in large parts to the second embodiment of the sleeve 202 shown in FIG.
  • the sleeve 302 has an im Cross-section L-shaped collar 322 and a trapezoidal cross-section formed spring ring 326.
  • the spring ring 326 is formed open, with the two free ends overlap, as can be seen in particular Fig. 3b.
  • the sleeve 302 has an anti-twist device. These include some mounted on the collar 320 driver 330, which engage in recessed into the socket 304 recesses 332.
  • the drivers 330 and the recesses 332 are formed corresponding to each other and evenly distributed over the circumference of the collar 320.
  • the sleeve 302 has, on its outer side 306, a number of circumferential beads 334 which engage in corresponding circumferential grooves 336.
  • the sides of the beads 334 are flattened in the mounting direction, while the beads 334 are formed perpendicular to the mounting direction. This is to facilitate the insertion of the sleeve 306 in the socket 304, while the pushing out is difficult.
  • a sealing lip 338 is formed, which is concave on the side of the end face 312, so that between the end face 312 and the shoulder 310 of the nozzle 304, a cavity 340 is formed.
  • a free space 342 is provided, at which the same pressure prevails as in the entire charge air hose 300, so that the sealing lip 338 is pressed more or less strongly against the shoulder 310 according to the pressure, wherein the Cavity 340 reduced accordingly.
  • a completely different, fourth embodiment of a sleeve 402 is shown.
  • the sleeve 402 made of a resilient material is as in the other embodiments with their Outside 406 on an inner side of the nozzle 404 and has a circumferential slot 414, in which the charge air hose 400 engages.
  • On the outer side 406 of the sleeve 402 some circumferential beads 434 are formed, which engage in corresponding grooves 436 in the socket 404.
  • the sides of the beads 434 pointing in the mounting direction are flattened, while the beads 434 pointing counter to the mounting direction are formed vertically.
  • a sealing lip 438 is also formed on the end face 412 of the sleeve 404, which defines a cavity 440 with the neck 404.
  • the pressure prevailing in the charge air hose 400 engages the sealing lip 438 and presses it onto the shoulder 410.
  • a circumferential, in cross-section L-shaped retaining sleeve 444 is provided on the inside 424 of the sleeve 402.
  • one leg 446 is axially aligned, while the other leg 448 is radially aligned.
  • the radial leg 448 extends into a first fold 450 of the charge air hose 400, while the axial leg extends beyond the sleeve 402 and comes to rest on the nozzle 404.
  • a concave 452 and a convex 454 shaft is formed, wherein the inner side 424 of the sleeve corresponding thereto has a projection 456 and a recess 458.
  • the retaining sleeve 444 is now inserted into the charge air hose 400 before the charge air hose 400 is inserted into the slot 414 in the sleeve 402 and fastened there.
  • the outer end of the radial leg 448 is located in a first fold 450 of the charge air hose 400 and supports it.
  • everything is pushed into the socket 404, wherein first the sleeve 402 is pushed with its end face 412 to the shoulder 410 of the nozzle 404 zoom.
  • the retaining sleeve 444 rests with its convex shaft 454 in front of the projection 456 (see FIG. 4a).
  • the retaining sleeve 444 is pushed axially towards the nozzle 404 with application of force.
  • the convex wave 454 must pass over the projection Be pushed 456, which is possible only with reckonitiger deformation of the sleeve 402. If the convex shaft 454 has passed the projection, the retaining sleeve 444 springs into its final position in which the convex shaft 454 engages in the recess 458 and in which the concave shaft 452 abuts the projection 456 (see Fig. 4b).
  • the radial leg 448 pulls the fold 450 up to the connecting piece 404 and holds the charge air hose 400 in this position.
  • the free end of the sleeve 510 is substantially cylindrical and can be inserted into a correspondingly formed, cylindrical receptacle in the socket 514.
  • a circumferential bead 522 is formed on its outer side 515.
  • a circumferential groove 524 is formed in the receptacle of the connecting piece 514, into which the bead 522 can be inserted accurately.
  • a retaining ring 534 In the interior of the bead 522, a retaining ring 534, preferably made of a resilient metal, is inserted.
  • the sleeve 510 is made in its cylindrical portion about 0.1 mm thicker than the inside diameter of the nozzle 514 at this point, so that the sleeve due to the elastic effect of their material is held tightly pressing in the nozzle 514.
  • the sleeve 510 To mount the sleeve 510 on the nozzle 514 this is inserted into the nozzle 514 and thereby compressed over its circumference. The largest reduction in circumference experiences the sleeve 510 in the area of the bead 522, because it has to be compressed to the inside width of the neck 514. This is due to the elastic material of the sleeve 510 with Muscle power possible.
  • the sleeve 510 is pushed into the socket 514 until an end face of the sleeve 510 abuts against a stop 536 of the socket 514. Once there, the bead 522 enters the groove 524 and locks the sleeve 510 in the axial direction.
  • the sleeve is stiffened in the region of the bead 522 by the retaining ring 534, so that unintentional collapse of the sleeve 510 can not take place, and that the sleeve 510, in particular with the bead 522, is held reliably in the groove 524.
  • the support ring 532 causes a good contact of the free end of the sleeve 510 on the nozzle 514, so that no compressed air can escape the sleeve 510 over.
  • a first embodiment of the retaining ring 534 A is shown, which is designed as an annular coil spring.
  • a second embodiment of a retaining ring 534 B is shown, which is designed as a circular ring welded corrugated spring
  • a third embodiment of a retaining ring 534 C is shown, which is designed as a ball spring, wherein the ball spring is a ring of small balls and wherein the balls are connected to a plastic band, and wherein in the areas between the adjacent balls a reduced cross-section is provided.
  • All three retaining rings 534 A, 534 B and 534 C shown here can be embedded in the bead 522 and serve to stiffen the collar in this area. At the same time, these retaining rings 534 A, 534 B and 534 C are pressed in the radial direction and then spring back to their original shape, so that a simple assembly of the sleeve 510 is possible.
  • a support ring 532 which consists of a resilient metal.
  • This support ring 532 is open, with the free ends 528 and 530 partially overlapping.
  • a stop 538 which projects radially inward, is formed, against which the other free end 530 comes to rest.
  • This attack 538 ensures that the support ring can not be compressed arbitrarily, because he loses its supporting function at the free end of the sleeve 510 otherwise.
  • the free end 530 is spaced from the stop 538 and thus reliably pushes the sleeve 510 into the socket 514.
  • the support ring 532 is embedded in the inner contour.
  • the support ring can also be inserted in a groove open towards the inside of the sleeve.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

L'invention concerne un manchon (102) d'un tuyau à air de suralimentation (100) destiné à fixer le tuyau à air de suralimentation (100) sur une douille (104). Selon l'invention, ce manchon est constitué d'un matériau présentant l'élasticité d'un ressort. L'objectif de la présente invention est de concevoir un manchon qui maintient le tuyau à air de suralimentation sur la douille (104) de manière fiable et étanche à la pression, également à des pressions supérieures ou égales à 4 bars, et qui peut être placé sur la douille (104) facilement. A cet effet, le manchon (102) selon l'invention peut être inséré dans la douille (104), et au moins une partie de la face externe (106) dudit manchon, qui est de préférence circonférentielle, repose contre une paroi interne (108) de la douille, de façon que la pression interne générée dans le tuyau à air de suralimentation (100) serre le manchon (102) contre la douille (104), au niveau de ladite partie de la face externe (106).
PCT/EP2006/006137 2005-07-08 2006-06-26 Manchon d'un tuyau a air de suralimentation destine a fixer le tuyau a air de suralimentation sur une douille, et procede de fixation de ce manchon WO2007006410A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP102005032341.3 2005-07-08
EP05032341 2005-07-08

Publications (1)

Publication Number Publication Date
WO2007006410A1 true WO2007006410A1 (fr) 2007-01-18

Family

ID=36847861

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PCT/EP2006/006137 WO2007006410A1 (fr) 2005-07-08 2006-06-26 Manchon d'un tuyau a air de suralimentation destine a fixer le tuyau a air de suralimentation sur une douille, et procede de fixation de ce manchon

Country Status (1)

Country Link
WO (1) WO2007006410A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009007165A1 (fr) * 2007-07-06 2009-01-15 Contitech Mgw Gmbh Tuyau d'air de charge

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5317995A (en) * 1992-05-23 1994-06-07 Firma Carl Freudenberg Intake pipe for an internal combustion engine
DE4404946A1 (de) * 1994-02-17 1995-08-24 Pierburg Gmbh Luftansaugrohr für eine Brennkraftmaschine
EP0713992A1 (fr) * 1994-11-11 1996-05-29 Steinzeugwerk Ponholz GmbH & Co. KG Tuyau et raccord de tuyau à emboîtement
US5682924A (en) * 1994-06-30 1997-11-04 Steere Enterprises, Inc. Clean air ducts and methods for the manufacture thereof
DE29911322U1 (de) * 1999-06-29 1999-08-26 Witzenmann Metallschlauchfab Verbindung für das Abgasbzw. die Zuluft zwischen einer Feuerstätte und einer Abgas- bzw. Zuluftleitung
EP1089029A2 (fr) * 1999-09-28 2001-04-04 Tokai Rubber Industries, Ltd. Manchon d'accouplement pour relier un tuyau en métal à un tuyau en resine
EP1162398A2 (fr) * 2000-05-30 2001-12-12 WOCO Franz-Josef Wolf & Co. Dispositif d'étanchéité pour connecteur enfichable
WO2004055355A1 (fr) * 2002-12-18 2004-07-01 Mahle Filtersysteme Gmbh Tube d'aspiration et son procede de production

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5317995A (en) * 1992-05-23 1994-06-07 Firma Carl Freudenberg Intake pipe for an internal combustion engine
DE4404946A1 (de) * 1994-02-17 1995-08-24 Pierburg Gmbh Luftansaugrohr für eine Brennkraftmaschine
US5682924A (en) * 1994-06-30 1997-11-04 Steere Enterprises, Inc. Clean air ducts and methods for the manufacture thereof
EP0713992A1 (fr) * 1994-11-11 1996-05-29 Steinzeugwerk Ponholz GmbH & Co. KG Tuyau et raccord de tuyau à emboîtement
DE29911322U1 (de) * 1999-06-29 1999-08-26 Witzenmann Metallschlauchfab Verbindung für das Abgasbzw. die Zuluft zwischen einer Feuerstätte und einer Abgas- bzw. Zuluftleitung
EP1089029A2 (fr) * 1999-09-28 2001-04-04 Tokai Rubber Industries, Ltd. Manchon d'accouplement pour relier un tuyau en métal à un tuyau en resine
EP1162398A2 (fr) * 2000-05-30 2001-12-12 WOCO Franz-Josef Wolf & Co. Dispositif d'étanchéité pour connecteur enfichable
WO2004055355A1 (fr) * 2002-12-18 2004-07-01 Mahle Filtersysteme Gmbh Tube d'aspiration et son procede de production

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009007165A1 (fr) * 2007-07-06 2009-01-15 Contitech Mgw Gmbh Tuyau d'air de charge
JP2010532455A (ja) * 2007-07-06 2010-10-07 コンティテッヒ・エムゲーヴェー・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 給気ホース
US8267435B2 (en) 2007-07-06 2012-09-18 Contitech Mgw Gmbh Charge-air hose assembly

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