EP1058782B1 - Dispositif d'admission pour moteur a combustion interne - Google Patents

Dispositif d'admission pour moteur a combustion interne Download PDF

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Publication number
EP1058782B1
EP1058782B1 EP99908924A EP99908924A EP1058782B1 EP 1058782 B1 EP1058782 B1 EP 1058782B1 EP 99908924 A EP99908924 A EP 99908924A EP 99908924 A EP99908924 A EP 99908924A EP 1058782 B1 EP1058782 B1 EP 1058782B1
Authority
EP
European Patent Office
Prior art keywords
guide tube
air inlet
inlet line
valve
intake device
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.)
Expired - Lifetime
Application number
EP99908924A
Other languages
German (de)
English (en)
Other versions
EP1058782A1 (fr
Inventor
Martin Von Werder
Reinhard Fischer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP1058782A1 publication Critical patent/EP1058782A1/fr
Application granted granted Critical
Publication of EP1058782B1 publication Critical patent/EP1058782B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1035—Details of the valve housing
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/12—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems characterised by means for attaching parts of an EGR system to each other or to engine parts
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
    • F02M26/18—Thermal insulation or heat protection
    • 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
    • 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
    • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
    • F02M26/21—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system with EGR valves located at or near the connection to the intake system

Definitions

  • the invention relates to an intake device for an internal combustion engine according to the features of the preamble of claim 1.
  • EP 0 507 996 A2 describes a device for metered feeding of burned gases in the combustion chamber of an internal combustion engine known.
  • Information about the connection of the supply line of the prior art cannot be inferred from the intake pipe.
  • the invention has for its object a suction device for a To provide internal combustion engine, which is characterized by a simple construction and is characterized by a very good efficiency.
  • the presence of an opening through which a guide tube enters the air intake duct protrudes has the advantage that a simple and so that inexpensive piece of pipe can be used, which inserted through the opening in the air inlet line and captive is attached.
  • the introduction of an opening as a hole makes it easy Manufacturing process, being in the manufacture of the air inlet line this hole has already been taken into account and not drilled afterwards must become.
  • the air inlet line has a throttle body with a throttle valve
  • the bore with the Guide tube is arranged in the area of the throttle valve assembly.
  • this throttle body which in a manner known per se drivable throttle valve to the performance of the internal combustion engine to change a structural unit in which the bore for receiving the guide tube is provided.
  • the air inlet line or the throttle valve connector has a flange for attaching a valve to supply the further fluid
  • the bore with the Guide tube is arranged in the region of the flange.
  • the air inlet line or the flange firmly connectable with the guide tube. This ensures that the Guide tube is captively secured, since it falls into the air inlet line damage or even destruction of the internal combustion engine can lead.
  • the fixed connection is advantageously by means of a Pressing process achievable since this, especially when taking into account the high Temperatures that exist with exhaust gas recirculation are simple is executable.
  • Other fastening processes such as are also conceivable for example welding, gluing or the like, where in addition non-positive connections also positive connections that especially meet the temperature requirements are.
  • the guide tube can be inserted into the bore and has means, in particular a circumferential collar, by means of which the guide tube is stable in a target position.
  • This has the advantage that no further machining steps are required in the area of the bore to mount the guide tube. It just gets into the hole inserted until the collar on the sealing surface of the flange (or the Surface of the air pipe) comes to rest, so that in addition to the easy assembly again the high security against loss is given.
  • the use of an assembly tool is not necessary, since after installation of the valve or another supply line on the flange the guide tube is fixed in its target position.
  • the guide tube has in one end region, with which it protrudes into the air inlet line, a flattening.
  • a flattening This has the advantage that the guide tube is easier and faster in the bore can be used, because of the flattening a positive guide given is.
  • Such flattening is particularly advantageous if if the diameter of the bore and the guide tube largely are the same.
  • such flattening can be omitted or still be used if the diameter of the air duct is clear is smaller than the diameter of the bore, being in such It must be ensured that the means by means of which the guide tube in its target position is stable, are designed accordingly (in particular are chosen larger in diameter than the diameter of the Hole) to ensure security against loss.
  • the guide tube has in its other end region, that points in the direction of the valve, a triangular shape.
  • this triangular shape in one end region of the guide tube becomes an additional one Preload in the holding area, especially in the area of the rotating Groove created to ensure that the guide tube is firmly seated.
  • the guide tube is arranged on the valve or part of the valve.
  • the ease of assembly increases because in this embodiment, the guide tube and the valve form a structural unit and thus only the valve, in particular its housing, on the air inlet line must be attached.
  • the further fluid is the exhaust gas Internal combustion engine, the valve being an exhaust gas recirculation valve, in particular is designed as a controllable valve.
  • Exhaust gas recirculation valves are on become known and serve to increase the efficiency of the internal combustion engine, so that their advantages are not pointed out here must become.
  • the use of the guide tube is when as a further fluid the exhaust gas of the internal combustion engine is returned, particularly This is an advantage because the temperatures are too high, which are too high Wall temperatures and material fatigue due to high temperature fluctuations in the area of the inlet and on the flange (throttle valve connector made of metal, flanged cables made of plastic) can by the use of the guide tube that the exhaust gases in the The central region of the air inlet line steers effectively avoided.
  • Air inlet line Due to the design of the air inlet line, it is advisable to Air inlet line with an opening, in particular the one already mentioned Hole to be provided later, and insert the guide tube into this.
  • FIG. 1 shows a piece of an air inlet line 1 through which in the direction of flow 2, coming from an air filter, not shown, for example, Combustion air for an internal combustion engine a throttle valve connector 3 is supplied.
  • This throttle valve connector 3 forms a structural unit and is firmly connected to the air inlet line, which is also conceivable is that the air inlet line 1 can be attached to the throttle valve connector 3 is.
  • the throttle valve connector 3 has to adjust the power the internal combustion engine has a throttle valve 4, which is on a throttle valve shaft 5 is arranged, the throttle valve shaft 5 by a arranged in a housing 6 drive between a closed position and an open position is movable. How a such throttle body is known per se, so that this need not be discussed further.
  • the throttle body 3 (or the air inlet line 1 or the intake pipe 7) has a flange 8, a bore in the region of this flange 8 9 is present.
  • the flange 8 or the bore 9 can can be provided directly when producing the throttle valve connector 3, alternatively, it can also be produced by subsequent processing become.
  • the flange 8 also has fastening bores 10 which will be discussed later.
  • FIG. 2 it is shown that a guide tube 11 is supported on a shoulder 12.
  • Reference number 13 is at least partially shown Valve (in particular exhaust gas recirculation valve), which on the Flange 8 is attached with the interposition of a seal, wherein this by screws that are screwed into the mounting holes 10 be done.
  • Valve in particular exhaust gas recirculation valve
  • This attachment has the advantage that within no further processing is required in the hole. It is conceivable, in particular then when the bore 9 in the manufacture of the throttle valve assembly 3 is poured, this in the direction of the interior of the throttle valve assembly 3 conical to ensure the security against loss guarantee.
  • Another advantage is that when the guide tube 11 already is used in the valve 13, a simple and quick assembly both elements is given.
  • the guide tube 11 is used after completion of the pressing process shown, with the reference numeral 15 a circumferential groove in the Throttle body 3 is referred to, in the after the pressing process the expanded tube end 16 of the guide tube 11 engages.
  • the pressing process can be carried out in such a way that the widened pipe end 16 the guide tube 11 sealingly connects to the throttle body 3, wherein this is not absolutely necessary since the valve is attached 13 on the flange 8, in particular with the interposition of a seal, the sealing effect for the supplied fluid is ensured.
  • FIG. 6 The actual pressing process is shown in FIG. 6, for which purpose a counter-holder 17 into the interior of the throttle valve connector 3 (or the air inlet line 1) is inserted into an assembly position for the guide tube 11. The guide tube 11 is then inserted from the outside into the bore 9 until it comes to rest with its one end on the counter-holder 17. The position of the counter-holder 17 and the length of the guide tube 11 are so far matched to each other that the counter-holder 17 facing away End of the guide tube 11 ends at the level of the circumferential groove 15. Then a press tool 18 (for example, a stamp, the end has a conical flattening, as shown in FIG.
  • a press tool 18 for example, a stamp, the end has a conical flattening, as shown in FIG.
  • Pressing direction 19 moves so that the pipe end in the area of the rotating Groove 15 is widened and depending on the pressure or Design of the end of the pressing tool 18 sealing in the circumferential Groove 15 comes to mind. So with a simple and inexpensive guide tube 11 a large sealing surface can be realized and the required security against loss. In addition, the use the counter holder 17 and the pressing tool 18 and the entire Pressing process for series production can be automated.
  • FIGS. 7 and 8 again show a guide tube 11 which is in its an end region with which it projects into the air inlet line 1, a Has flat 20.
  • This flattening 20 can be turned off, for example are, these also in the previous figures
  • Guide tubes shown can be used to simplify assembly.
  • the guide tube 11 In its other end region, which is in the direction of the valve 13 shows, the guide tube 11 has a triangular shape 21 to an additional To generate bias in the area of the circumferential groove 15, and to ensure that the guide tube 11 is firmly seated after the pressing operation has been carried out to ensure.
  • FIG. 9 shows a guide tube 11 which is in the throttle valve connector 3 attached in a circumferential groove 22 which is step-shaped or is largely round.
  • FIG. 10 shows a throttle valve connector 3, which is a step-shaped one Bore 9 has the inward diameter the bore largely corresponds to the diameter of the guide tube 11 and record this.
  • the outward part has one Diameter that is larger than the outer diameter of the guide tube 11, which creates a paragraph by means of which the guide tube 11, which is attached to this End was expanded before insertion or after insertion is expanded, held positively and / or non-positively and captively becomes.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Lift Valve (AREA)

Abstract

L'invention concerne un dispositif d'admission pour moteur à combustion interne, auquel peuvent être acheminé au moins de l'air de combustion et un autre fluide, par l'intermédiaire d'une conduite d'admission d'air (1). Ce dispositif d'admission se caractérise en ce que la conduite d'admission d'air (1) comporte une ouverture, notamment un alésage (9) à travers lequel un tuyau de guidage (11) fait saillie dans la conduite d'admission d'air (1).

Claims (9)

  1. Dispositif d'admission, pour moteur à combustion interne, auquel au moins de l'air de combustion, ainsi que des gaz d'échappement du moteur à combustion interne peuvent être acheminés au moyen d'un tuyau d'admission d'air, le tuyau d'admission d'air (1) comportant une ouverture, notamment un trou (9), par lequel un tube directeur (11) fait saillie dans le tuyau d'admission d'air (1), le tuyau d'admission d'air (1) comprenant un raccord de papillon des gaz (3) comportant un papillon des gaz (4) et le trou (9) pourvu du tube directeur (11) étant disposé dans la zone du corps de papillon des gaz (3), caractérisé en ce que le tube directeur (11) présente, dans l'une de ses zones d'extrémité qui est tournée vers une valve (13), une forme à trois coins.
  2. Dispositif d'admission suivant la revendication 1, caractérisé en ce que le tube directeur (11) est disposé sur la valve (13) ou est une partie constitutive de la valve (13).
  3. Dispositif d'admission suivant la revendication 1 ou 2, caractérisé en ce que la valve (13) est une valve de recyclage de gaz d'échappement.
  4. Dispositif d'admission suivant l'une des revendications 1 à 3, caractérisé en ce que la tuyauterie d'admission d'air (1) comporte une bride (8) servant au montage de la valve (13) prévue pour l'acheminement du second fluide, tandis que le trou (9) pourvu du tube directeur (11) est disposé dans la zone de la bride (8).
  5. Dispositif d'admission suivant l'une des revendications 1 à 4, caractérisé en ce que la tuyauterie d'admission d'air (1) ou la bride (8) peut être rendue solidaire à demeure du tube directeur (11).
  6. Dispositif d'admission suivant la revendication 5, caractérisé en ce que la solidarisation à demeure peut s'obtenir au moyen d'une opération d'emboítement à force.
  7. Dispositif d'admission suivant l'une des revendications précédentes, caractérisé en ce que, dans la tuyauterie d'admission d'air (1) ou dans la bride (8), il est prévu, dans la zone du trou (9), une gorge (15) qui en fait au moins partiellement le tour et dans laquelle une zone d'extrémité du tube directeur (11) peut être mise en place par emboítement à force.
  8. Dispositif d'admission suivant l'une des revendications précédentes, caractérisé en ce que le tube directeur (11) peut être mis en place dans le trou (9) et comporte des moyens, notamment une collerette (14), au moyen desquels le tube directeur (11) peut être maintenu dans une position imposée.
  9. Dispositif d'admission suivant l'une des revendications précédentes, caractérisé en ce que le tube directeur (11) présente une réduction d'épaisseur (20) dans son autre zone d'extrémité, par laquelle il fait saillie dans la tuyauterie d'admission d'air (1).
EP99908924A 1998-02-24 1999-02-18 Dispositif d'admission pour moteur a combustion interne Expired - Lifetime EP1058782B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19807463 1998-02-24
DE19807463A DE19807463A1 (de) 1998-02-24 1998-02-24 Ansaugvorrichtung für eine Brennkraftmaschine
PCT/EP1999/001060 WO1999043946A1 (fr) 1998-02-24 1999-02-18 Dispositif d'admission pour moteur a combustion interne

Publications (2)

Publication Number Publication Date
EP1058782A1 EP1058782A1 (fr) 2000-12-13
EP1058782B1 true EP1058782B1 (fr) 2002-10-02

Family

ID=7858585

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99908924A Expired - Lifetime EP1058782B1 (fr) 1998-02-24 1999-02-18 Dispositif d'admission pour moteur a combustion interne

Country Status (6)

Country Link
US (1) US6443134B1 (fr)
EP (1) EP1058782B1 (fr)
KR (1) KR20010041274A (fr)
BR (1) BR9908180A (fr)
DE (2) DE19807463A1 (fr)
WO (1) WO1999043946A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10011933A1 (de) * 2000-03-11 2001-09-27 Daimler Chrysler Ag Luftansaugvorrichtung für Verbrennungsmotoren mit direkter Kraftstoffeinspritzung
DE10054264A1 (de) * 2000-11-02 2002-05-08 Opel Adam Ag Saugrohranlage für eine Brennkraftmaschine
CA2495895A1 (fr) * 2002-09-08 2004-03-18 Applera Corporation Procedes, compositions et banques se rapportant a la synthese de dimere et d'oligomere d'anp
JP4657250B2 (ja) * 2007-05-29 2011-03-23 株式会社デンソー 吸気装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4741295A (en) * 1985-09-09 1988-05-03 Honda Giken Kogyo Kabushiki Kaisha Intake manifold system for V-type multiple cylinder internal combustion engine
JPS63164554A (ja) * 1986-12-25 1988-07-07 Fujitsu Ltd デ−タ速度自動認識システム
JPH07691Y2 (ja) * 1988-07-12 1995-01-11 日産自動車株式会社 内燃機関のｅｇｒバルブ取付構造
DE3932300C2 (de) 1989-09-28 2003-03-06 Siemens Ag Drosselklappenstutzen
FR2669078B1 (fr) * 1990-11-14 1994-11-25 Peugeot Dispositif de recirculation des gaz d'echappement d'un moteur a combustion interne.
JP2548036Y2 (ja) * 1991-01-25 1997-09-17 アイシン精機株式会社 排気ガス還流装置
DE4111240C1 (fr) * 1991-04-08 1992-06-04 Fa. Carl Freudenberg, 6940 Weinheim, De
RU2107183C1 (ru) * 1992-08-22 1998-03-20 Акционерное общество "АвтоВАЗ" Впускное устройство для двигателя внутреннего сгорания
FR2710952B1 (fr) * 1993-10-08 1995-11-17 Renault Dispositif de recirculation des gaz d'échappement d'un moteur à combustion interne.
DE4338194C2 (de) * 1993-11-09 2003-04-03 Pierburg Gmbh Luftansaugkanalsystem für Brennkraftmaschinen
US5492104A (en) * 1994-11-03 1996-02-20 General Motors Corporation Exhaust gas recirculation for an internal combustion engine
JP3095665B2 (ja) * 1995-10-16 2000-10-10 株式会社日本自動車部品総合研究所 内燃機関の蒸発燃料制御装置
DE19627035C2 (de) * 1996-07-05 1998-07-16 Elringklinger Gmbh Abgas-Rückführvorrichtung
US5970960A (en) * 1996-09-18 1999-10-26 Nissan Motor Co., Ltd. Exhaust gas recirculation system of internal combustion engine
DE19649713A1 (de) * 1996-11-30 1998-06-04 Daimler Benz Ag Ansaugsystem einer Mehrzylinder-Brennkraftmaschine mit Abgasrückführung

Also Published As

Publication number Publication date
DE19807463A1 (de) 1999-08-26
DE59902927D1 (de) 2002-11-07
BR9908180A (pt) 2000-10-24
US6443134B1 (en) 2002-09-03
KR20010041274A (ko) 2001-05-15
WO1999043946A1 (fr) 1999-09-02
EP1058782A1 (fr) 2000-12-13

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