DE10015210A1 - Air intake channel system for IC engines has cover fixed to housing to define exhaust return channel, with integral flat slide element valves and valve drive - Google Patents

Air intake channel system for IC engines has cover fixed to housing to define exhaust return channel, with integral flat slide element valves and valve drive

Info

Publication number
DE10015210A1
DE10015210A1 DE10015210A DE10015210A DE10015210A1 DE 10015210 A1 DE10015210 A1 DE 10015210A1 DE 10015210 A DE10015210 A DE 10015210A DE 10015210 A DE10015210 A DE 10015210A DE 10015210 A1 DE10015210 A1 DE 10015210A1
Authority
DE
Germany
Prior art keywords
air intake
intake duct
flat
exhaust gas
housing
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.)
Withdrawn
Application number
DE10015210A
Other languages
German (de)
Inventor
Hans-Ulrich Kuehnel
Michael Sanders
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.)
Pierburg GmbH
Original Assignee
Pierburg 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 Pierburg GmbH filed Critical Pierburg GmbH
Priority to DE10015210A priority Critical patent/DE10015210A1/en
Priority to ES01104236T priority patent/ES2204770T3/en
Priority to EP01104236A priority patent/EP1138926B1/en
Priority to DE50100888T priority patent/DE50100888D1/en
Publication of DE10015210A1 publication Critical patent/DE10015210A1/en
Withdrawn legal-status Critical Current

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
    • F02M35/10209—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
    • 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
    • F02M26/38—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with two or more EGR valves disposed in parallel
    • 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
    • F02M26/65—Constructional details of EGR valves
    • F02M26/70—Flap valves; Rotary valves; Sliding valves; Resilient valves
    • 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
    • F02M26/42—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders
    • F02M26/44—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders in which a main EGR passage is branched into multiple passages

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Characterised By The Charging Evacuation (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

The system housing has individual intake channels (3) and an exhaust return channel connected to the intake channels via valves. The system has a cover element (4) positioned on the housing (2) in such a way, that the return channel is defined between these two parts. The cover contains the valves formed as flat slide elements (11), and a drive mechanism, e.g. an electric motor (7) for the elements. Each intake channel has an exhaust intake (12) with flat seat (13), acting with the flat slide elements.

Description

Die Erfindung betrifft ein Luftansaugkanalsystem für eine Brennkraftmaschine mit einem Luftansaugkanalgehäuse, das einzelne zu jedem Zylinder der Brennkraftmaschine führende Luftansaugkanäle aufweist, mit einem Abgasrückführkanal, dessen Abgasrückführung in die einzelnen Luftansaugkanäle durch jeweils ein Ventilelement steuerbar ist.The invention relates to an air intake duct system for an internal combustion engine an air intake duct housing that is individual to each cylinder of the Comprises internal combustion engine leading air intake ducts, with a Exhaust gas recirculation duct, the exhaust gas recirculation into the individual air intake ducts can be controlled by one valve element each.

Ein derartiges Luftansaugkanalsystem ist beispielsweise aus der DE-A1-198 16 266 bekannt. Dieses Luftansaugkanalsystem gewährleistet eine Abgasrückführung ohne den Nachteil, daß im Vollastbetrieb der Brennkraftmaschine, wenn kein Abgas rückgeführt wird es zu einem Druckausgleich zwischen den zu dem einzelnen Zylinder der Brennkraftmaschine führenden Luftansaugkanälen kommt, wodurch das Schwingverhalten der angesaugten Luft in der Brennkraftmaschine gestört und die Füllung der Zylinder vermindert wird. Das Anbringen der Einzelkanäle mit den jeweiligen Ventilabschnitten ist jedoch konstruktiv schwer realisierbar und kostenaufwendig.Such an air intake duct system is, for example, from DE-A1-198 16 266 known. This air intake duct system ensures exhaust gas recirculation without the disadvantage that in full load operation of the internal combustion engine when no exhaust gas it is returned to a pressure equalization between the individual Cylinder of the engine leading air intake ducts comes, which makes Vibration behavior of the intake air in the engine is disturbed and the Filling the cylinder is reduced. Attaching the individual channels with the respective valve sections is structurally difficult to implement and expensive.

Es ist daher Aufgabe der Erfindung, Maßnahmen aufzufinden, mit denen eine Abgasrückführung die das Schwingverhalten der angesaugten Luft nicht stört auf konstruktive und montagetechnisch einfache Weise zu realisieren ist.It is therefore an object of the invention to find measures with which one Exhaust gas recirculation that does not interfere with the vibration behavior of the intake air constructive and technically simple to implement.

Diese Aufgabe wird dadurch gelöst, daß das Luftansaugkanalsystem ein Deckelelement aufweist, das auf dem Luftansaugkanalgehäuse derart angeordnet ist, daß zwischen dem Deckelelement und dem Luftansaugkanalgehäuse der Abgasrückführkanal ausgeformt ist, wobei das Deckelelement die als Flachschieberelemente ausgeführten Ventilelemente sowie einen Antriebsmechanismus zur Verstellung der Flachschieberelemente aufweist und jeder Luftansaugkanal eine Abgaseinlaßöffnung mit einem Flachsitz aufweist, der mit dem Flachschieberelement zusammenwirkt.This object is achieved in that the air intake duct system Has cover element which is arranged on the air intake duct housing in this way is that between the cover member and the air intake duct housing Exhaust gas recirculation channel is formed, the cover element being the Flat slide elements designed valve elements and a Has drive mechanism for adjusting the flat slide elements and each  Air intake duct has an exhaust gas inlet opening with a flat seat, which with the Flat slide element interacts.

Auf diese Weise wird ein Luftansaugkanalsystem geschaffen, bei dem die Ventilelemente mit dem zugehörigen Antriebsmechanismus als eigenständige Moduleinheit in einem Deckelelement vorliegen. Dies bietet den Vorteil, daß der Montageaufwand und die zugehörigen Kosten auf ein Minimum reduziert werden.In this way, an air intake duct system is created in which the Valve elements with the associated drive mechanism as independent Module unit present in a cover element. This has the advantage that the Assembly effort and the associated costs can be reduced to a minimum.

In besonders vorteilhafter Weise sind die Flachschieberelemente als Flachdrehschieberelemente ausgebildet, wobei die Abgaseinlaßöffnung als halbkreisförmige Ringstücke ausgebildet sind. Der Antriebsmechanismus kann ein Zahnstange-Zahnrad-Antrieb sein, wobei jedem Flachdrehschieberelement ein Zahnrad zugeordnet ist. Um eine Dichtheit der Ventilelemente zu gewährleisten, ist jedes Flachdrehschieberelement durch eine Feder gegenüber dem entsprechenden Flachsitz vorgespannt. In einer weiter vereinfachten Ausführungsform kann auch ein Antrieb, beispielsweise ein Elektromotor in dem Deckelelement gelagert sein.In a particularly advantageous manner, the flat slide elements are as Flat rotary slide elements, wherein the exhaust gas inlet opening as semicircular ring pieces are formed. The drive mechanism can be a Be rack and pinion drive, each flat rotary valve element Gear is assigned. In order to ensure tightness of the valve elements each flat slide valve element by means of a spring opposite the corresponding one Flat seat preloaded. In a further simplified embodiment, a Drive, for example an electric motor, can be mounted in the cover element.

Ausführungsbeispiele der Erfindung sind dargestellt, und werden nachfolgend beschrieben.Embodiments of the invention are shown and are described below described.

Die Zeichnung zeigt:The drawing shows:

Fig. 1 eine Schnittansicht eines Teils des erfindungsgemäßen Luftansaug­ kanalsystems, und Fig. 1 is a sectional view of part of the air intake duct system according to the invention, and

Fig. 2 eine Draufsicht des erfindungsgemäßen Luftansaugkanalsystems. Fig. 2 is a plan view of the air intake duct system according to the invention.

Es wird angemerkt, daß zur Verdeutlichung der Funktionen des erfindungsgemäßen Luftansaugkanalsystems 1 die Ventilstellung einmal in Offen- und einmal in Zu- Position dargestellt ist. Es sollte deutlich sein, daß in der Anwendung die Ventilstellungen jeweils gleich ausgerichtet sind. It is noted that to clarify the functions of the air intake duct system 1 according to the invention, the valve position is shown once in the open position and once in the closed position. It should be clear that the valve positions are aligned the same in each application.

Fig. 1 zeigt das erfindungsgemäße Luftansaugkanalsystem 1 im Schnitt. Das Luftansaugkanalsystem besitzt ein Luftansaugkanalgehäuse 2 das einzelne zu jedem Zylinder einer nicht dargestellten Brennkraftmaschine führende Luftansaugkanäle 3 aufweist. Auf dem Luftansaugkanalgehäuse 2 ist auf bekannte Weise ein Deckelelement 4 beispielsweise durch Anschrauben, angeordnet. Zwischen dem Deckelelement 4 und dem Lufansaugkanalgehäuse 2 ist auf diese Weise ein Abgasrückführkanal 5 ausgeformt dem über eine Abgaseinleitung 6 Abgas zugeführt wird. Auf dem Deckelelement 4 ist ein Antriebsmechanismus 7 angeordnet, der aus einer Zahnstange 8 sowie aus Zahnrädern 9 besteht. Die Zahnräder 9 stehen wiederum mit Wellen 10 in Verbindung, die auf ihre zum Lufansaugkanalgehäuse 2 gerichteten Seite Flachschieberelemente 11 aufweisen, die im vorliegenden Fall wie aus Fig. 2 ersichtlich ist, als Flachdrehschieberelemente ausgeführt sind. Diese Flachdrehschieberelemente wirken mit Abgaseinlaßöffnungen 12 und Flachsitzen 13 zusammen und ermöglichen auf diese Weise eine Abgasrückführung in die Luftansaugkanäle 3. Fig. 1 shows the air intake duct system 1 according to the invention in section. The air intake duct system has an air intake duct housing 2 which has individual air intake ducts 3 leading to each cylinder of an internal combustion engine, not shown. A cover element 4 is arranged on the air intake duct housing 2 in a known manner, for example by screwing on. In this way, an exhaust gas recirculation duct 5 is formed between the cover element 4 and the air intake duct housing 2 , and exhaust gas is supplied via an exhaust gas inlet 6 . On the cover element 4 , a drive mechanism 7 is arranged, which consists of a rack 8 and 9 gears. The gear wheels 9 are in turn connected to shafts 10 which have flat slide elements 11 on their side facing the air intake duct housing 2 , which in the present case, as can be seen from FIG. 2, are designed as flat rotary slide elements. These flat rotary slide elements interact with exhaust gas inlet openings 12 and flat seats 13 and in this way enable exhaust gas recirculation into the air intake ducts 3 .

In der vorliegenden Darstellung ist die linke Ventilstellung in geöffneter Position und die rechte Ventilstellung in geschlossener Position gezeigt. Die Flachdrehschieberelemente 11 werden jeweils durch eine Feder 14 die sich am Deckelelement 4 abstützt gegenüber dem entsprechenden Flachsitz 13 unter Vorspannung gehalten. Der Antriebsmechanismus 7 wird im vorliegendem Fall durch ein Abdeckelement 15 verschlossen.In the present illustration, the left valve position is shown in the open position and the right valve position in the closed position. The flat rotary slide elements 11 are each held under tension by a spring 14 which is supported on the cover element 4 relative to the corresponding flat seat 13 . In the present case, the drive mechanism 7 is closed by a cover element 15 .

Fig. 2 zeigt eine Draufsicht eines Teils des erfindungsgemäßen Luftansaugkanalsystems 1. Deutlich zu erkennen ist hierbei, daß die Abgaseinlaßöffnungen 12 im vorliegendem Fall als halbkreisförmige Ringstücke ausgeführt sind. Desweiteren ist die Abgaseinleitung 6 mit einem Anschlußflansch 16 dargestellt. Fig. 2 shows a plan view of part of the air intake duct system 1 according to the invention. It can be clearly seen here that the exhaust gas inlet openings 12 are designed as semicircular ring pieces in the present case. Furthermore, the exhaust gas inlet 6 is shown with a connecting flange 16 .

Claims (5)

1. Luftansaugkanalsystem für eine Brennkraftmaschine mit einem Luftansaugkanalgehäuse, das einzelne zu jedem Zylinder der Brennkraftmaschine führende Luftansaugkanäle aufweist, mit einem Abgasrückführkanal, dessen Abgasrückführung in die einzelnen Luftansaugkanäle durch jeweils ein Ventilelement steuerbar ist, dadurch gekennzeichnet, daß das Luftansaugkanalsystem (1) ein Deckelelement (4) aufweist, das auf dem Luftansaugkanalgehäuse (2) derart angeordnet ist, daß zwischen dem Deckelelement (4) und dem Luftansaugkanalgehäuse (2) der Abgasrückführkanal (5) ausgeformt ist, wobei das Deckelelement (4) die als Flachschieberelemente (11) ausgeführten Ventilelemente sowie einen Antriebsmechanismus (7) zur Verstellung der Flachschieberelemente (11) aufweist und jeder Luftansaugkanal (3) eine Abgaseinlaßöffnung (12) mit einem Flachsitz (13) aufweist, der mit dem Flachschieberelement (11) zusammenwirkt.1.Air intake duct system for an internal combustion engine with an air intake duct housing which has individual air intake ducts leading to each cylinder of the internal combustion engine, with an exhaust gas recirculation duct whose exhaust gas recirculation into the individual air intake ducts can be controlled by a valve element, characterized in that the air intake duct system ( 1 ) has a cover element ( 4 ), which is arranged on the air intake duct housing ( 2 ) such that the exhaust gas recirculation duct ( 5 ) is formed between the cover element ( 4 ) and the air intake duct housing ( 2 ), the cover element ( 4 ) being the valve elements designed as flat slide elements ( 11 ) and a drive mechanism ( 7 ) for adjusting the flat slide elements ( 11 ) and each air intake duct ( 3 ) has an exhaust gas inlet opening ( 12 ) with a flat seat ( 13 ) which interacts with the flat slide element ( 11 ). 2. Luftansaugkanalsystem nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Flachschieberelemente (11) als Flachdrehschieberelemente ausgebildet sind, wobei die Abgaseinlaßöffnungen (12) als halbkreisförmige Ringstücke ausgebildet sind.2. Air intake duct system according to claim 1 or 2, characterized in that the flat slide elements ( 11 ) are designed as flat rotary slide elements, wherein the exhaust gas inlet openings ( 12 ) are designed as semicircular ring pieces. 3. Luftansaugkanalsystem nach Anspruch 3, dadurch gekennzeichnet, daß der Antriebsmechanismus (7) aus einem Zahnstange-Zahnrad-Antrieb (8, 9), wobei jedem Flachdrehschieberelement ein Zahnrad (9) zugeordnet ist.3. Air intake duct system according to claim 3, characterized in that the drive mechanism ( 7 ) from a rack and pinion drive ( 8 , 9 ), wherein each flat rotary slide element is assigned a gear ( 9 ). 4. Luftansaugkanalsystem nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß ein Flachdrehschieberelement (11) durch eine Feder (14) gegenüber dem entsprechenden Flachsitz (13) vorgespannt ist. 4. Air intake duct system according to claim 3 or 4, characterized in that a flat rotary slide element ( 11 ) is biased by a spring ( 14 ) relative to the corresponding flat seat ( 13 ). 5. Luftansaugkanalsystem nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass ein Antrieb, beispielsweise ein Elektromotor in dem Deckelelement (4) gelagert ist.5. Air intake duct system according to one of the preceding claims, characterized in that a drive, for example an electric motor, is mounted in the cover element ( 4 ).
DE10015210A 2000-03-27 2000-03-27 Air intake channel system for IC engines has cover fixed to housing to define exhaust return channel, with integral flat slide element valves and valve drive Withdrawn DE10015210A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE10015210A DE10015210A1 (en) 2000-03-27 2000-03-27 Air intake channel system for IC engines has cover fixed to housing to define exhaust return channel, with integral flat slide element valves and valve drive
ES01104236T ES2204770T3 (en) 2000-03-27 2001-02-22 AIR SUCTION CHANNELING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE.
EP01104236A EP1138926B1 (en) 2000-03-27 2001-02-22 System of air intake conduits for a combustion engine
DE50100888T DE50100888D1 (en) 2000-03-27 2001-02-22 Air intake duct system for an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10015210A DE10015210A1 (en) 2000-03-27 2000-03-27 Air intake channel system for IC engines has cover fixed to housing to define exhaust return channel, with integral flat slide element valves and valve drive

Publications (1)

Publication Number Publication Date
DE10015210A1 true DE10015210A1 (en) 2001-10-04

Family

ID=7636585

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10015210A Withdrawn DE10015210A1 (en) 2000-03-27 2000-03-27 Air intake channel system for IC engines has cover fixed to housing to define exhaust return channel, with integral flat slide element valves and valve drive
DE50100888T Expired - Lifetime DE50100888D1 (en) 2000-03-27 2001-02-22 Air intake duct system for an internal combustion engine

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE50100888T Expired - Lifetime DE50100888D1 (en) 2000-03-27 2001-02-22 Air intake duct system for an internal combustion engine

Country Status (3)

Country Link
EP (1) EP1138926B1 (en)
DE (2) DE10015210A1 (en)
ES (1) ES2204770T3 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2714770B2 (en) * 1995-03-27 1998-02-16 昭和アルミニウム株式会社 Intake manifold
JPH09273452A (en) * 1996-04-09 1997-10-21 Hino Motors Ltd Exhaust gas recirculation device
JP3809696B2 (en) * 1997-03-25 2006-08-16 株式会社豊田自動織機 Exhaust gas recirculation device for internal combustion engine
EP1015750B1 (en) * 1997-09-16 2003-05-02 FILTERWERK MANN + HUMMEL GmbH System for recirculating exhaust gas in an internal combustion engine
DE19816266A1 (en) 1998-04-11 1999-10-14 Pierburg Ag Air intake duct system for an internal combustion engine

Also Published As

Publication number Publication date
EP1138926A2 (en) 2001-10-04
DE50100888D1 (en) 2003-12-11
EP1138926A3 (en) 2002-07-17
ES2204770T3 (en) 2004-05-01
EP1138926B1 (en) 2003-11-05

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: PIERBURG GMBH, 41460 NEUSS, DE

8130 Withdrawal