EP1573195A1 - Saugrohr und zugeh riges herstellungsverfahren - Google Patents
Saugrohr und zugeh riges herstellungsverfahrenInfo
- Publication number
- EP1573195A1 EP1573195A1 EP03813075A EP03813075A EP1573195A1 EP 1573195 A1 EP1573195 A1 EP 1573195A1 EP 03813075 A EP03813075 A EP 03813075A EP 03813075 A EP03813075 A EP 03813075A EP 1573195 A1 EP1573195 A1 EP 1573195A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connection
- pipe
- injection
- parts
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- F02M35/10144—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
- F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
- F02M35/10098—Straight ducts
-
- 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
- F02M35/10314—Materials for intake systems
- F02M35/10321—Plastics; Composites; Rubbers
-
- 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
- F02M35/1034—Manufacturing and assembling intake systems
- F02M35/10347—Moulding, casting or the like
-
- 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
- F02M35/1034—Manufacturing and assembling intake systems
- F02M35/10354—Joining multiple sections together
Definitions
- the present invention relates to an intake manifold for a fresh air tract of an internal combustion engine, in particular in a motor vehicle.
- the invention also relates to a method for producing such an intake manifold.
- An internal combustion engine in particular in motor vehicles, is supplied with fresh air via a fresh air tract.
- a suction pipe of the type mentioned at the beginning forms a component for guiding fresh air within such a fresh air tract.
- the intake pipe leads the fresh air from an air filter to a fresh air collector, from which the fresh air is distributed to individual cylinders of the internal combustion engine.
- the present invention is concerned with the problem of specifying an improved embodiment for an intake manifold or for an associated production method, which leads in particular to low production costs. According to the invention, this problem is solved by the subjects of the independent claims. Advantageous embodiments are the subject of the dependent claims.
- the present invention is based on the general idea of assembling a pipe section of the suction pipe from a plurality of pipe parts, in particular injection-molded from plastic, which are fastened to one another in the region of their dividing line with an injection-molded or injected material.
- injection molded parts can easily be manufactured with uniform wall thicknesses.
- a two-stage manufacturing process is thus required to manufacture the intake manifold according to the invention, in which the tubular parts are injection-molded in a first stage and in which in a second stage the assembled tubular parts are fastened to one another by injecting or injecting the connection formed by the material.
- This process can be automated particularly easily.
- the selected design opens up the possibility of injection molding at least one further component onto the pipe section during the second stage of the production process.
- Plastics, elastomers, resins and rubber are particularly suitable as the material for establishing the connection by injection or injection.
- a bellows section and / or a ring seal can therefore be injection molded onto one end of the pipe section. Is advantageously carried out then the injection molding of the bellows portion or the annular seal in the same process stage ', and in the same operation as the arrival or injecting the compound. An additional work step can thus be saved.
- the multi-part construction proposed according to the invention makes it possible to select a suitable material in accordance with the requirements of the respective component of the intake manifold.
- the bellows section can thereby be made considerably more flexible than the pipe section.
- a material that is suitable for sealing can be used in a special way for the ring seal.
- the assembled pipe parts can form at least one spray channel in the region of their dividing line, into which the connection can be injected.
- the injection mold for the formation of the connection is integrated into the pipe parts, so that the shape for the injection molding tool is simplified.
- FIG. 1 is a perspective view of an intake manifold according to the invention
- FIG. 2 is an exploded view of a pipe section of the suction pipe
- Fig. 3 is a sectional view through the intake manifold according to section lines III in Fig. 1 and
- Fig. 4 is a sectional view through the intake manifold according to section lines IV in ⁇ 'ig. 1.
- FIG. 1 has an inventive S 'augrohr 1 a pipe section 2, which is assembled from several, here two tubular parts 3 and 4.
- the two pipe parts 3, 4 are each made as injection molded parts and expediently made of plastic and adjoin one another along a dividing line 5 in the assembled state.
- the suction pipe 1 in the preferred embodiment shown here has a bellows section 6, which is also made as an injection molded part and advantageously made of plastic.
- An integral construction is preferred in which the bellows section 6 is injection molded or vulcanized onto a first end 7 of the pipe section 2.
- the pipe section 2 is divided into its pipe parts 3 and 4 such that the first pipe part 3 and the second pipe part 4 are each designed as half-shells that complement each other. It is of interest here that both the first pipe end 7 and a second pipe end 8 remote therefrom are formed in one piece or integrally on the second pipe part 4. This design makes it possible to design the tube ends 7, 8 as one-piece flanges, in which there are no disruptive dividing lines.
- one of the tube parts, here the first tube part 3, has a U-profile 9 which is open towards the second tube part 4 and which extends along a completely closed peripheral edge of the first tube part 3.
- a collar 10 is formed, which also runs completely closed corresponding to the outer edge of the first tube part 3.
- an axially acting ring seal 13 e.g. molded or vulcanized from plastic.
- the suction pipe 1 can be manufactured as follows:
- the pipe parts 3, 4 are produced as separate injection molded parts.
- the pipe parts 3, 4 are then assembled in a second step or work step and fastened to one another by the injection or injection of the connection 12.
- the injection molding of the bellows section 6 and / or the sealing ring 13 can also advantageously be carried out in the second step or ⁇
- Process step are carried out so that the pipe parts 3, 4 in the same tool with the connection 12, the bellows section 6 and / or the ring seal 13.
- the suction pipe 1 can thus be manufactured particularly inexpensively.
- the selection of the material used for the respective component is fundamentally dependent on the requirements placed on the respective component in the operation of the intake manifold 1.
- the bellows section 6 must be relatively flexible in order to be able to optimally fulfill its function in the installed state of the intake manifold 1.
- the intake manifold 1 is preferably installed in a fresh air tract (not shown here) of an internal combustion engine, in particular a motor vehicle. During operation of the internal combustion engine, relative movements between two sections of the fresh air tract, which are connected to one another via the intake manifold 1, can occur due to vibrations and / or shocks. In order to be able to compensate for these relative movements, the suction pipe 1 is equipped with the bellows section 6.
- the material for the ring seal 13 is selected so that the desired sealing effect is achieved.
- connection 12 The material for the connection 12 is selected so that a sufficiently firm and sufficiently gas-tight coupling can be produced between the two pipe parts 3, 4.
- the connection 12 can be based, for example, on adhesion.
- the material which is injected or injected to form the connection 12 is then selected depending on the material used for the pipe parts 3, 4 in such a way that an adhesive bond with the wetted wall sections is formed in the injection channel 11 until the injected material has hardened.
- a protruding web could be formed in one piece on the collar 10, which protrudes into the U-profile 9 in the assembled state. Likewise, several webs on the collar 10 and in the U-profile 9 are possible.
- connection 12 can also be selected such that when the connection 12 is injected or injected, a coupling based on fusion is formed between the material of the connection 12 and the material of the pipe parts 3, 4.
- a coupling based on fusion is formed between the material of the connection 12 and the material of the pipe parts 3, 4.
- the material of the tube parts 3, 4 is melted on the surface, as a result of which a diffusion zone is formed, in which the materials bond to one another in a materially integral manner. This procedure results in a cohesive connection between the two pipe parts 3, 4 via the connection 12, which essentially corresponds to a welded connection.
- connection 12 it is possible to use the connection 12 to produce a form-fitting coupling between the pipe parts 3, 4 by shaping the contours overmolded by the material of the connection 12 in a corresponding manner in the region of the dividing line 5. For example, undercuts are formed which can also enable mutual engagement.
- connection principle based on positive locking, no adhesion or fusion between the materials of the connection 12 and the pipe parts 3, 4 has to occur.
- the aforementioned connection principles can also occur as a mixed form in order to achieve a particularly intensive connection between the pipe parts 3, 4.
- connection principles described above for the connection 12 can in principle also be implemented with the molded-on bellows section 6 and with the molded-on ring seal 13. That is, the connection between the pipe section 2 and the bellows section 6 on the one hand and / or between the pipe section 2 and the ring seal 13 on the other hand binding by adhesion and / or fusion and / or form closure.
- connection 12 and the bellows section 6 and / or for the ring seal 13 can differ from that used for the production of the pipe parts 3, 4.
- connection 12 and the bellows section 6 and / or the ring seal 13 it may be advantageous to design an injection mold (not shown here), which is used to inject the connection 12 and the bellows section 6 and / or the ring seal 13, in such a way that a cavity for forming the connection 12, that is to say here the injection channel 11, is formed another cavity that is used to form the bellows section 6 and / or communicates with another cavity that is used to form the ring seal 13.
- the same injection openings and ventilation openings can thus be used for at least two of the total of three molded components (connection 12, bellows section 6, ring seal 13), as a result of which the implementation of the second operation can be simplified and rationalized.
- the cavities for forming the interconnection 12 and the bellows portion 6 communicate with each other, form the 'finished suction tube 1, the compound 12 and the bellows portion 6 is an integral, one-piece unit. The same applies to the connection 12 and the ring seal 13 when the cavities communicate to form these components.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10259100 | 2002-12-18 | ||
DE10259100A DE10259100A1 (de) | 2002-12-18 | 2002-12-18 | Saugrohr und zugehöriges Herstellungsverfahren |
PCT/DE2003/004087 WO2004055355A1 (de) | 2002-12-18 | 2003-12-11 | Saugrohr und zugehöriges herstellungsverfahren |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1573195A1 true EP1573195A1 (de) | 2005-09-14 |
EP1573195B1 EP1573195B1 (de) | 2010-04-21 |
Family
ID=32519038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03813075A Expired - Fee Related EP1573195B1 (de) | 2002-12-18 | 2003-12-11 | Saugrohr und zugeh riges herstellungsverfahren |
Country Status (5)
Country | Link |
---|---|
US (1) | US7971565B2 (de) |
EP (1) | EP1573195B1 (de) |
JP (1) | JP2006510834A (de) |
DE (2) | DE10259100A1 (de) |
WO (1) | WO2004055355A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9249763B2 (en) | 2010-09-02 | 2016-02-02 | Mahle International Gmbh | Hollow plastic piece |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007006410A1 (de) * | 2005-07-08 | 2007-01-18 | Mündener Gummiwerk Gmbh | Muffe eines ladeluftschlauches zur anbringung des ladeluftschlauches an einen stutzen und verfahren zur anbringung der muffe |
FR2890076B1 (fr) | 2005-08-26 | 2007-11-30 | Plastic Omnium Cie | Procede de solidarisation de deux pieces en matiere thermoplastique au moyen d'une matiere liante |
US8925510B2 (en) * | 2008-12-17 | 2015-01-06 | Ford Global Technologies, Llc | Automotive air induction system |
CN102126295B (zh) * | 2010-01-13 | 2013-06-05 | 深圳成霖洁具股份有限公司 | 一种一体式塑料出水管制造方法及其产品 |
CA2690316C (en) * | 2010-01-19 | 2012-05-08 | Globe Union Industrial Corp. | Integrally plastic outlet pipe and making process thereof |
FR2965584B1 (fr) * | 2010-10-05 | 2013-06-28 | Renault Sas | Procede de determination d'un taux de gaz d'echappement recircules a l'entree d'un cylindre d'un moteur a combustion interne et moteur mettant en oeuvre un tel procede |
DE102012100988A1 (de) * | 2012-02-07 | 2013-08-08 | Elringklinger Ag | Rohrkörper und Ölwanne mit einem derartigen Rohrkörper |
SE537216C2 (sv) | 2012-12-17 | 2015-03-03 | Scania Cv Ab | Luftkanalsrör för fordon och en metod för tillverkning av ett luftkanalsrör |
DE102013215607A1 (de) * | 2013-08-07 | 2015-03-05 | Mahle International Gmbh | Frischluftanlage |
JP6601150B2 (ja) * | 2015-10-27 | 2019-11-06 | スズキ株式会社 | 過給機付きエンジン用吸気装置および鞍乗型車両 |
US10323711B2 (en) * | 2017-05-23 | 2019-06-18 | Ford Global Technologies, Llc | Breakable duct for use with a motor vehicle air induction system |
US10844817B2 (en) * | 2018-04-23 | 2020-11-24 | Ford Global Technologies, Llc | Convolute-swirl integrated duct for swirl generation |
Family Cites Families (20)
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---|---|---|---|---|
US3920787A (en) * | 1971-07-02 | 1975-11-18 | Sloane Mfg Co R & G | Joint between tubular plastic articles and method of forming |
US3920268A (en) * | 1973-02-13 | 1975-11-18 | Albert Stewing | Synthetic-resin tube assembly |
JPS51135978A (en) * | 1975-05-12 | 1976-11-25 | Yoshio Ogi | Synthetic resin moldings and method of producing same |
JPS63236626A (ja) * | 1987-03-25 | 1988-10-03 | Daihatsu Motor Co Ltd | 吸気系部品の製造方法 |
JPH0479959U (de) * | 1990-11-20 | 1992-07-13 | ||
FR2690376B1 (fr) * | 1992-04-22 | 1995-08-11 | Aplast Consortium | Procede pour fabriquer un corps creux en matiere plastique par assemblage de deux demi-coquilles, et corps creux ainsi obtenu, notamment collecteur d'amission d'air de moteur a explosion. |
JPH0780922A (ja) * | 1993-09-09 | 1995-03-28 | Inoac Corp | フランジ付き樹脂製エアチューブ |
US5682924A (en) * | 1994-06-30 | 1997-11-04 | Steere Enterprises, Inc. | Clean air ducts and methods for the manufacture thereof |
DE19523870A1 (de) * | 1995-06-30 | 1997-01-02 | Mann & Hummel Filter | Ansaugeinrichtung aus thermoplastischem Kunststoff |
JP3206798B2 (ja) * | 1996-07-03 | 2001-09-10 | ダイハツ工業株式会社 | 合成樹脂製インテークマニホールドの構造 |
US6021753A (en) * | 1996-07-03 | 2000-02-08 | Ford Global Technologies, Inc. | Adhesively bonded plastic automotive air intake assembly |
JP3202920B2 (ja) | 1996-07-03 | 2001-08-27 | ダイハツ工業株式会社 | 合成樹脂製管状体の製造方法およびその装置並びに合成樹脂製インテークマニホールド |
JP3760605B2 (ja) * | 1997-11-19 | 2006-03-29 | 株式会社デンソー | 樹脂製中空製品の製造方法 |
US6636900B2 (en) * | 1998-06-29 | 2003-10-21 | Sun Microsystems, Inc. | Method and apparatus for executing distributed objects over a network |
JP3394192B2 (ja) * | 1998-09-01 | 2003-04-07 | ジー・ピー・ダイキョー株式会社 | 合成樹脂製インテークマニホールド及びその製造方法 |
EP0992674A3 (de) * | 1998-10-08 | 2000-07-19 | Alusuisse Technology & Management AG | Einlasskrümmer |
JP2000145552A (ja) * | 1998-11-10 | 2000-05-26 | Hitachi Ltd | インテークマニホールド |
US6267093B1 (en) * | 2000-08-02 | 2001-07-31 | Ford Global Technologies, Inc. | Bonded composite intake manifold |
US6543404B2 (en) * | 2001-04-04 | 2003-04-08 | Dow Global Technologies, Inc. | Adhesively bonded engine intake manifold assembly |
JP2003191340A (ja) * | 2001-12-26 | 2003-07-08 | Toray Ind Inc | 中空成形品およびその製造方法 |
-
2002
- 2002-12-18 DE DE10259100A patent/DE10259100A1/de not_active Withdrawn
-
2003
- 2003-12-11 JP JP2004559604A patent/JP2006510834A/ja active Pending
- 2003-12-11 DE DE50312646T patent/DE50312646D1/de not_active Expired - Lifetime
- 2003-12-11 US US10/540,174 patent/US7971565B2/en not_active Expired - Fee Related
- 2003-12-11 EP EP03813075A patent/EP1573195B1/de not_active Expired - Fee Related
- 2003-12-11 WO PCT/DE2003/004087 patent/WO2004055355A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2004055355A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9249763B2 (en) | 2010-09-02 | 2016-02-02 | Mahle International Gmbh | Hollow plastic piece |
Also Published As
Publication number | Publication date |
---|---|
EP1573195B1 (de) | 2010-04-21 |
DE50312646D1 (de) | 2010-06-02 |
JP2006510834A (ja) | 2006-03-30 |
DE10259100A1 (de) | 2004-07-22 |
WO2004055355A1 (de) | 2004-07-01 |
US20100192891A1 (en) | 2010-08-05 |
US7971565B2 (en) | 2011-07-05 |
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