DE19739424A1 - Regulator element for air valves in air intake channel system for IC engines - Google Patents

Regulator element for air valves in air intake channel system for IC engines

Info

Publication number
DE19739424A1
DE19739424A1 DE19739424A DE19739424A DE19739424A1 DE 19739424 A1 DE19739424 A1 DE 19739424A1 DE 19739424 A DE19739424 A DE 19739424A DE 19739424 A DE19739424 A DE 19739424A DE 19739424 A1 DE19739424 A1 DE 19739424A1
Authority
DE
Germany
Prior art keywords
working chambers
element according
control element
air intake
intake duct
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Withdrawn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
DE19739424A
Other languages
German (de)
Inventor
Hans-Juergen Huesges
Werner Buse
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 DE19739424A priority Critical patent/DE19739424A1/en
Publication of DE19739424A1 publication Critical patent/DE19739424A1/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Withdrawn legal-status Critical Current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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/08—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the pneumatic type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/02—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
    • F02B27/0226—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means characterised by the means generating the charging effect
    • F02B27/0268—Valves
    • F02B27/0273—Flap valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/02—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
    • F02B27/0294—Actuators or controllers therefor; Diagnosis; Calibration
    • 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
    • F02D9/1005—Details of the flap
    • F02D9/1025—Details of the flap the rotation axis of the flap being off-set from the flap center axis
    • F02D9/103—Details of the flap the rotation axis of the flap being off-set from the flap center axis the rotation axis being located at an edge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/02—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
    • F02B27/0205—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means characterised by the charging effect
    • F02B27/0215—Oscillating pipe charging, i.e. variable intake pipe length charging
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

The regulator element (1) is formed as a two-position device. Each end position is maintained by excess pressure/underpressure charge from working chambers (3,4) which are separated by a wing piston (5) positioned on a shaft (6). The shaft projects into the intake channel system and is connected to an air valve via a coupling element. The piston has a continuous double U-shaped sealing lip (11,12) formed by a molded elastomer part.

Description

Die Erfindung betrifft ein Stellelement für Luftklappen in einem Luftansaugkanalsystem einer Brennkraftmaschine nach dem Oberbegriff des Anspruchs 1.The invention relates to an actuator for air dampers in an air intake duct system an internal combustion engine according to the preamble of claim 1.

Ein solches Stellelement findet Verwendung in einer Vorrichtung, die in der DE-U1-89 06 045 angegeben ist, bei der jeder Einzelansaugkanal einen Kurzschlußkanal aufweist, der in Abhängigkeit von Betriebskenngrößen der Brennkraftmaschine zur Verkürzung der An­ sauglänge durch eine Schaltklappe in den Sammeleinlaßkanal hinein geöffnet werden kann.Such an actuator is used in a device that is described in DE-U1-89 06 045 is specified, in which each individual intake duct has a short-circuit duct, which in Dependence on operating parameters of the internal combustion engine to shorten the An suction length can be opened by a switching flap into the collective inlet duct.

Diese Schaltklappe kann durch ein Stellelement betätigt werden, von dem es in der DE 34 48 130 C2 einer ähnlichen Vorrichtung heißt, daß dieses bei einer vorgegebenen hohen Drehzahl der Brennkraftmaschine anspricht, und als Betätigungseinrichtung kann eine Viel­ zahl von Einrichtungen, beispielsweise eine mit Vakuum arbeitende oder eine elektroma­ gnetische Einrichtung, verwendet werden. Im Fall einer mit Vakuum arbeitenden Einrich­ tung sollte diese so ausgebildet sein, daß die Schaltklappen durch das Ladevakuum der Maschine geschlossen und durch die Kraft einer Feder geöffnet werden.This switching flap can be actuated by an actuator, of which it is in DE 34 48 130 C2 a similar device means that this at a predetermined high Engine speed responds, and as an actuator can be a lot number of devices, for example a vacuum or an electroma magnetic device. In the case of a vacuum facility tion should be designed so that the switching flaps through the loading vacuum Machine closed and opened by the force of a spring.

Im Falle eines mit Vakuum arbeitenden Stellelements kann es sich um eine Ausführung handeln, die einen Kolben oder eine Membrane aufweist. Wie bereits in der eingangs ge­ nannten Druckschrift erwähnt, muß das pneumatische Stellelement gegen eine Rückstellfe­ der arbeiten. Hierdurch wird die aktiv zur Verfügung stehende Membran- oder Kolbenkraft um den Betrag der Federkraft reduziert.In the case of an actuator that works with vacuum, it can be an embodiment act that has a piston or a membrane. As already mentioned in the beginning mentioned publication mentioned, the pneumatic actuator against a Rückstellfe of work. As a result, the actively available membrane or piston force reduced by the amount of spring force.

Hiervon ausgehend liegt der Erfindung die Aufgabe zugrunde, ein gattungsgemäßes Stelle­ lement so zu gestalten, daß bei gleichem Bauraum eine aktive Stellkraftvergrößerung er­ reicht wird und darüber hinaus eine Funktionsverbesserung und verbilligte Herstellung. Proceeding from this, the object of the invention is to create a generic position lement to design so that with the same installation space he actively increases the actuating force is enough and also a functional improvement and cheaper production.  

Diese Aufgabe ist durch die im Kennzeichen des Anspruchs 1 genannten Merkmale gelöst worden. Vorteilhafte Weiterbildungen sind in den Unteransprüchen angegeben.This object is achieved by the features mentioned in the characterizing part of claim 1 been. Advantageous further developments are specified in the subclaims.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird nachfol­ gend beschrieben.An embodiment of the invention is shown in the drawing and will follow described below.

Die Zeichnung zeigt:The drawing shows:

Fig. 1 ein erfindungsgemäßes Stellelement mit geöffneten Arbeitskammern, Fig. 1 shows an inventive actuating element with open working chambers,

Fig. 2 einen Querschnitt der Fig. 1 mit einer als Einzelteil dargestellten Luftklappe, Fig. 2 shows a cross section of FIG. 1 with a compound represented as a single part air flap,

Fig. 3 ein zu verwendendes 4/4-Wegeventil. Fig. 3 shows a 4/4-way valve to be used.

Fig. 1 zeigt ein Stellelement 1 für Luftklappen 2 in einem nicht dargestellten Luftansaugka­ nalsystem einer Brennkraftmaschine, das auf Druckunterschiede innerhalb zweier Arbeits­ kammern 3, 4 reagiert. Fig. 1 shows an actuator 1 for air flaps 2 in a not shown Luftansaugka channel system of an internal combustion engine, which reacts to pressure differences within two working chambers 3 , 4 .

Bei diesem Stellelement 1 handelt es sich um einen Zweistellungssteller, bei dem jede End­ stellung durch entsprechende Überdruck-Unterdruck-Beaufschlagung der Arbeitskammern 3, 4 gehalten wird. Hierdurch wird erreicht, daß die aktive Stellkraft vergrößert ist und die bisher übliche Rückstellfeder entfällt.This control element 1 is a two-position actuator, in which each end position is held by appropriate overpressure-negative pressure exposure of the working chambers 3 , 4 . This ensures that the active positioning force is increased and the previously common return spring is omitted.

Es ist vorgesehen, daß die Arbeitskammern 3, 4 durch einen Flügelkolben 5 getrennt sind, der auf einer Welle 6 angeordnet ist, die in das Luftansaugkanalsystem hineinragt und über ein Kupplungselement 7 mit einer dort gelagerten Luftklappe 8 verbunden ist, wie aus Fig. 2 entnehmbar ist. It is envisaged that the working chambers 3 , 4 are separated by a wing piston 5 which is arranged on a shaft 6 which projects into the air intake duct system and is connected via a coupling element 7 to an air flap 8 mounted there, as can be seen in FIG. 2 is.

Die Arbeitskammern 3, 4 bestehen in einem an das Luftansaugkanalsystem anflanschbaren Gehäuse 9 oder sind alternativ in einem Bauteil des Luftansaugkanalsystems einstückig druckgespritzt ausgeführt. In beiden Fällen sind die Arbeitskammern 3, 4 durch einen Dec­ kel 10 verschlossen, der eine symmetrische Ausbildung der Arbeitskammern 3, 4 wie im Gehäuse 9 bzw. Bauteil aufweist.The working chambers 3 , 4 consist in a housing 9 which can be flanged onto the air intake duct system or alternatively are injection molded in one piece in one component of the air intake duct system. In both cases, the working chambers 3 , 4 are closed by a Dec angle 10 , which has a symmetrical design of the working chambers 3 , 4 as in the housing 9 or component.

Zur besseren Abdichtung der Arbeitskammern 3, 4 gegeneinander weist der Flügelkolben 5 eine endlos umlaufende Dichtlippe 11 in Form eines Doppel-U auf, wobei die Dichtlippen 11 im Bereich der Welle 6 durch wenigstens einen in Axialrichtung der Welle 6 verlaufen­ den Dichtlippenabschnitt 12 verbunden sind.For better sealing of the working chambers 3 , 4 against one another, the wing piston 5 has an endlessly circumferential sealing lip 11 in the form of a double U, the sealing lips 11 being connected in the region of the shaft 6 by at least one sealing lip section 12 running in the axial direction of the shaft 6 .

Es ist vorgesehen, daß die Dichtlippen 11, 12 als Elastomerformstück ausgebildet an dem Flügelkolben 5 angespritzt sind.It is provided that the sealing lips 11 , 12 are formed as an elastomer molded part and molded onto the wing piston 5 .

Vorteilhafterweise sind die Arbeitskammern 3, 4, wie in Fig. 1 und 3 dargestellt ist, über Anschlüsse 13, 14 mit einem 4/4-Wegeventil 15 verbunden, das über Anschlußleitungen 16, 17 mit einer Überdruck- oder Unterdruckquelle 18 und der Atmosphäre 19 verbunden ist zur wechselseitigen Umschaltung von Über- oder Unterdruck und Atmosphärendruck. Das 4/4-Wegeventil 15 reagiert auf Steuersignale eines nicht dargestellten elektrischen Motor­ steuergeräts.Advantageously, the working chambers 3 , 4 , as shown in FIGS. 1 and 3, are connected via connections 13 , 14 to a 4/4-way valve 15 , which via connection lines 16 , 17 to an overpressure or underpressure source 18 and the atmosphere 19 is connected for the mutual switching of overpressure or underpressure and atmospheric pressure. The 4/4-way valve 15 reacts to control signals from an electric motor control unit, not shown.

Mit dem erfindungsgemäßen Stellelement 1 ist eine auch in Kunststoff herstellbare Ausfüh­ rung gefunden worden, die eine Funktionsverbesserung und leichtere Herstellbarkeit auf­ weist.With the actuating element 1 according to the invention, an embodiment that can also be produced in plastic has been found, which has a functional improvement and easier manufacture.

Claims (10)

1. Stellelement für Luftklappen in einem Luftansaugkanalsystem einer Brennkraftmaschine, das auf Druckunterschiede innerhalb zweier Arbeitskammern reagiert, dadurch gekenn­ zeichnet, daß das Stellelement (1) als ein Zweistellungssteller ausgeführt ist und jede End­ stellung durch entsprechende Überdruck-Unterdruck-Beaufschlagung der Arbeitskammern (3, 4) gehalten wird.1.Actuating element for air flaps in an air intake duct system of an internal combustion engine, which reacts to pressure differences within two working chambers, characterized in that the adjusting element ( 1 ) is designed as a two-position actuator and each end position is subjected to a corresponding overpressure-vacuum pressure on the working chambers ( 3 , 4 ) is held. 2. Stellelement nach Anspruch 1, dadurch gekennzeichnet, daß die Arbeitskammern (3, 4) durch einen Flügelkolben (5) getrennt sind, der auf einer Welle (6) angeordnet ist, die in das Luftansaugkanalsystem hineinragt und über ein Kupplungselement (7) mit einer dort gelagerten Luftklappe (8) verbunden ist.2. Control element according to claim 1, characterized in that the working chambers ( 3 , 4 ) are separated by a wing piston ( 5 ) which is arranged on a shaft ( 6 ) which projects into the air intake duct system and via a coupling element ( 7 ) an air flap ( 8 ) stored there is connected. 3. Stellelement nach Anspruch 2, dadurch gekennzeichnet, daß die Arbeitskammern (3, 4) in einem an das Luftansaugkanalsystem anflanschbaren Gehäuse (9) bestehen.3. Control element according to claim 2, characterized in that the working chambers ( 3 , 4 ) consist in a housing ( 9 ) which can be flanged onto the air intake duct system. 4. Stellelement nach Anspruch 2, dadurch gekennzeichnet, daß die Arbeitskammern (3, 4) in einem Bauteil des Luftansaugkanalsystems einstückig druckgespritzt ausgeführt sind.4. Control element according to claim 2, characterized in that the working chambers ( 3 , 4 ) in one component of the air intake duct system are integrally pressure-sprayed. 5. Stellelement nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Arbeitskammern (3, 4) durch einen Deckel (10) verschlossen sind, der eine symmetrische Ausbildung der Ar­ beitskammern (3, 4) wie im Gehäuse (9) bzw. wie im Bauteil des Luftansaugkanalsystem aufweist. 5. An actuator according to claim 3 or 4, characterized in that the working chambers (3, 4) are closed by a cover (10), the beitskammern a symmetrical design of the Ar (3, 4) as in the housing (9) or as in the component of the air intake duct system. 6. Stellelement nach Anspruch 5, dadurch gekennzeichnet, daß der Flügelkolben (5) eine endlos umlaufende Dichtlippe (11) in Form eines Doppel-U aufweist.6. Control element according to claim 5, characterized in that the wing piston ( 5 ) has an endlessly circumferential sealing lip ( 11 ) in the form of a double U. 7. Stellelement nach Anspruch 6, dadurch gekennzeichnet, daß die Dichtlippen (11) im Be­ reich der Welle (6) durch wenigstens einen in Axialrichtung der Welle (6) verlaufenden Dichtlippenabschnitt (12) verbunden sind.7. Control element according to claim 6, characterized in that the sealing lips ( 11 ) in the loading area of the shaft ( 6 ) by at least one in the axial direction of the shaft ( 6 ) extending sealing lip portion ( 12 ) are connected. 8. Stellelement nach Anspruch 7, dadurch gekennzeichnet, daß die Dichtlippen (11, 12) als Elastomerformstück ausgebildet an dem Flügelkolben (5) angespritzt sind.8. Adjusting element according to claim 7, characterized in that the sealing lips ( 11 , 12 ) formed as an elastomer molding on the wing piston ( 5 ) are injection molded. 9. Stellelement nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Arbeitskammern (3, 4) über Anschlüsse (13, 14) mit einem 4/4-Wegeventil (15) verbunden sind, das über Anschlußleitungen (16, 17) mit einer Überdruck- oder Unterdruckquelle (18) und der Atmosphäre (19) verbunden ist, zur wechselseitigen Umschaltung von Über- oder Unterdruck und Atmosphärendruck.9. Control element according to one of the preceding claims, characterized in that the working chambers ( 3 , 4 ) via connections ( 13 , 14 ) with a 4/4-way valve ( 15 ) are connected, which via connection lines ( 16 , 17 ) with a Overpressure or vacuum source ( 18 ) and the atmosphere ( 19 ) is connected for mutual switching of overpressure or underpressure and atmospheric pressure. 10. Stellelement nach Anspruch 2, dadurch gekennzeichnet, daß das 4/4-Wegeventil (15) auf Steuersignale eines elektrischen Motorsteuerelements reagiert.10. Control element according to claim 2, characterized in that the 4/4-way valve ( 15 ) reacts to control signals of an electrical motor control element.
DE19739424A 1997-09-09 1997-09-09 Regulator element for air valves in air intake channel system for IC engines Withdrawn DE19739424A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19739424A DE19739424A1 (en) 1997-09-09 1997-09-09 Regulator element for air valves in air intake channel system for IC engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19739424A DE19739424A1 (en) 1997-09-09 1997-09-09 Regulator element for air valves in air intake channel system for IC engines

Publications (1)

Publication Number Publication Date
DE19739424A1 true DE19739424A1 (en) 1999-03-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE19739424A Withdrawn DE19739424A1 (en) 1997-09-09 1997-09-09 Regulator element for air valves in air intake channel system for IC engines

Country Status (1)

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DE (1) DE19739424A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1486651A1 (en) * 2003-06-13 2004-12-15 Magneti Marelli Powertrain S.p.A. Unit for supplying combustion air to the cylinders of an endothermic engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1486651A1 (en) * 2003-06-13 2004-12-15 Magneti Marelli Powertrain S.p.A. Unit for supplying combustion air to the cylinders of an endothermic engine
US7117837B2 (en) 2003-06-13 2006-10-10 Magneti Marelli Powertrain, S.P.A. Unit for supplying combustion air to the cylinders of an endothermic engine

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Owner name: PIERBURG GMBH, 41460 NEUSS, DE

8110 Request for examination paragraph 44
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