EP1359300A2 - Drosselklappeneinheit - Google Patents
Drosselklappeneinheit Download PDFInfo
- Publication number
- EP1359300A2 EP1359300A2 EP03007851A EP03007851A EP1359300A2 EP 1359300 A2 EP1359300 A2 EP 1359300A2 EP 03007851 A EP03007851 A EP 03007851A EP 03007851 A EP03007851 A EP 03007851A EP 1359300 A2 EP1359300 A2 EP 1359300A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- throttle valve
- valve unit
- unit according
- flap
- 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
Images
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
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/04—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning exhaust conduits
-
- 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
- F02D9/1065—Mechanical control linkage between an actuator and the flap, e.g. including levers, gears, springs, clutches, limit stops of the like
Definitions
- the invention relates to a throttle valve unit for use in the exhaust system of an internal combustion engine, comprising a valve body, one therein shaft rotatable about an axis with a closure element, a vacuum box with a membrane as well as implementing the lifting movement of the membrane in a coupling device serving to rotate the shaft, one being the rotational movement of the shaft in the flap position "open" limiting anchorage device provided is.
- Throttle valve units are particularly well known from engine construction. Here is the main area of application regulation of throttle valves Combustion air or the fuel air mixture. The The temperature of the flowing medium is on the Ambient air temperature level from -20 ° C to + 40 ° C.
- the structure and operation of the known so far Throttle valve units is e.g. B. in DE 197 29 648 A1, DE 40 27 269 A1, DE 42 09 586 A1, DE 100 06 795 A1, DE 199 28 473 A1, DE 198 57 957 A1 and DE 43 13 454 A1 described.
- Throttle valve units are becoming increasingly important but also in exhaust systems of internal combustion engines. she come in particular in connection with silencers with variable damping characteristics or the variable Design of the muzzle noise for use (see E. Santiago et al., special print MTZ 53 (1992) issue 7/8; Ch. L generallygen u. A., System Partners 2000 p. 54 - 57). Because of the high temperatures around exhaust systems mainly flaps are used here Vacuum unit. The negative pressure introduced from the outside, which depends on the particular operating state of the engine, acts on a membrane with a linkage connected is. A stroke is generated when Negative pressure is present. If no vacuum is present a spring arranged in the vacuum box Restoring force; the membrane returns to its starting position back (see DE 197 29 648 A1).
- the lifting movement of the Linkage acts on the shaft via a crank mechanism and the closure element.
- the crank mechanism sets the Stroke and return movement of membrane and linkage in a rotational movement of the shaft.
- the vacuum can i.a. by means of a bracket or a mounting bracket arranged on the valve body.
- the temperature of the exhaust gases from internal combustion engines is meanwhile partly above 850 ° C.
- the high temperatures lead to thermal expansion of all components.
- a throttle valve unit with the usual tolerances an ambient temperature of 20 ° C is changed their switching behavior seriously with such rising temperatures.
- the conditions of use of flaps in exhaust systems therefore require substantial greater tolerances between the sliding pairings than on Ambient temperature level.
- the noise problem is namely the rattling of the moving components through vibration excitation at a Hot gas application cannot therefore be remedied.
- the technical The contradiction is as follows: a minor game between moving components reduces the risk the creation of rattling noises. However, the Risk of seizing at high operating temperatures. A big game between the moving parts works that Seize against, but leads to rattling noises. And spring-loaded friction devices increase that required actuators in an unacceptable manner.
- the throttle valve device is distinguished characterized in that the anchor device designed as an axially acting clamping device which is a resting clamping element, one with the shaft rotatable clamping element, an axially stationary stroke stop element and one axially moved with the shaft Stroke element comprises, at least one of the two clamping elements a control surface inclined to the axis has on the "open” in the flap position each other clamping element is applied, and wherein in the Flap position "open” the moving stroke stop element rests on the stationary stroke stop element. In the Flap position "open” touch the two clamping elements in the area of the inclined surface one of the Elements or lie with two corresponding to each other inclined surfaces.
- the shaft and the closure element comprehensive unit exerted an axially directed force.
- This force is absorbed by one - also axially acting - stroke limiting device, which a stationary stroke stop element and one with the shaft axially moving stroke stop element, which is in the flap position "open" on the stationary stroke stop element supports, includes.
- the closure element and the unit encompassing the shaft when open Throttle valve clamped i.e. such fixed that they were not inside the valve body Can make rattling noises leading movements.
- Throttle valve unit is in the subclaims specified and / or the following description removable.
- the Coupling device with the membrane of the vacuum box connected linkage and one connected to the shaft Crank arm, the rotatable clamping element part of the crank arm.
- a particular advantage of this training is the comparatively low technical effort, compared to such an embodiment in which the clamping device is functionally separate from the Coupling device.
- the resting clamping element is assigned to a mounting bracket is, by means of which the vacuum can supports the valve body.
- the shaft in the flap housing is particularly preferred stored by means of two plain bearings.
- a development of the present invention from a Wire mesh should be formed. This is special favorable with regard to the sliding properties of the relevant application of the throttle valve unit in the exhaust system of an internal combustion engine.
- those plain bearings preferred development of the invention characterized in that at least one of them designed as a plain sliding bearing is in the axial direction on the outside of the valve body supported.
- the collar of the collar sliding bearing can protrude slightly into the interior of the valve body and forms the stationary stroke stop element. In this Trap is the moving stroke stop element special preferably by a collar or a shoulder of the shaft educated.
- the stationary stroke stop element be formed by the valve body, on which in the flap position "open" the closure element, which in this case is the moving stroke stop element forms, under that of the Clamping device provided clamping force is present.
- the closure element lies, if it is according to a preferred further education is elliptical, preferably on its outer Extent only in the area of the large radius of the ellipse on the inner casing of the housing.
- a game is planned. This game that is smaller than the axial extent of the at least one inclined Surface of the clamping elements, is used for the (small) axial displacement of the shaft and the closure element comprehensive unit when clamping at the end of the opening movement used.
- the throttle valve device shown in the drawing for use in the exhaust system of an internal combustion engine has the following basic Structure:
- the valve body 1 and the bearing bushes 2 form the carrier for all other assemblies.
- each Bearing bushing 2 is designed as a plain sliding bearing Plain bearings 3, 4 used.
- the plain bearings 3, 4 are sufficient inside the flap housing 1 and support outwards in the axial direction.
- the plain bearings 3, 4 are made from a wire mesh.
- the wire mesh has elastic properties.
- the shaft 5 In the plain bearings 3, 4 is the shaft 5 on which a Closure element 6, partially enclosing shaft 5, is arranged to be rotatable about the axis 7 (arrow A). Furthermore, the shaft 5 can be in the plain bearings 3, 4 to the extent described in more detail below move axially (arrow B).
- the rotary movements A and the lifting movements B are, as explained below, limited by appropriate stops.
- the collar 8 of the plain bearing 3 forms a stationary stroke stop element 9.
- the closure element 6 has in relation on the rotation and stroke limitation Dual function.
- the part of the closure element 6, the nestles on the shaft 5, forms with his Bund 8 of the federal camp 3 facing section of the End face 10 a moving stroke stop element 11.
- the remaining part of the end face 10 seals during the closing process on the inner casing 12 of the valve housing 1.
- Inner jacket 12 and closure element 6 limit the Rotational movement of the shaft 5 together with the closure element 6 with the flap closed.
- a mounting bracket 13 On the outer end face of the slide bearing 3 receiving Bearing bush 2, a mounting bracket 13 is arranged, the vacuum box 14 with the inside contained diaphragm and spring components.
- the linkage 15 transmits the lifting movement of the membrane to the Crank arm 16.
- the crank arm 16 converts the lifting movement the diaphragm into a rotary movement of the shaft 5.
- the elliptical Closure element 6 In the flap position "closed” is the elliptical Closure element 6 on its outer circumference 10 only in the area of the large radius of the ellipse on the inner jacket 12 of the valve body. On the side flanks is a small compared to the two plain bearings 3, 4 axial play provided. The axial play is there smaller than the axial extent of the inclined control surfaces 19, 21 of the clamping elements 18, 20.
- the throttle device illustrated in the drawing works as follows: With a corresponding The operating state of the engine is generated by the vacuum box 14 negative pressure applied to the membrane of Vacuum can exceeds the force of the return spring Force.
- the closure element 6 lies in the top described manner on the inner casing 12 of the valve housing 1 on. The hatch is closed. Shut up open, the vacuum potential from the vacuum box 14 decoupled. The one contained in the vacuum box Return spring generates a force in the direction Linkage 15. The linkage turns the crank arm 16. The Wave 5 starts to spin.
Landscapes
- 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)
- Lift Valve (AREA)
Abstract
Description
- Fig. 1
- eine Schnittdarstellung der Drosselklappeneinrichtung,
- Fig. 2
- ein Detail der Klemmeinrichtung in Klappenstellung "offen" in Ansicht schräg von außen,
- Fig. 3
- ein Detail der Klemmeinrichtung in Ansicht in Klappenstellung "offen" schräg von innen und
- Fig. 4
- ein Detail der Klemmeinrichtung in Ansicht in Klappenstellung "geschlossen" schräg von innen.
Claims (11)
- Drosselklappeneinheit für den Einsatz in der Abgasanlage eines Verbrennungsmotors, umfassend ein Klappengehäuse (1), eine darin um eine Achse (7) drehbar gelagerte Welle (5) mit einem Verschlußelement (6), eine Unterdruckdose (14) mit einer Membran sowie eine der Umsetzung der Hubbewegung der Membran in eine Drehbewegung der Welle (5) dienende Koppeleinrichtung, wobei eine die Drehbewegung (A) der Welle (5) in der Klappenstellung "offen" begrenzende Anschlageinrichtung vorgesehen ist,
dadurch gekennzeichnet, daß die Anschlageinrichtung als axial wirkende Klemmeinrichtung ausgeführt ist, die ein ruhendes Klemmelement (18), ein mit der Welle (5) drehbar bewegtes Klemmelement (20), ein axial ruhendes Hubanschlagelement (9) und ein mit der Welle (5) axial bewegtes Hubanschlagelement (11) umfaßt, wobei mindestens eines der beiden Klemmelemente (18, 20) eine zur Achse (7) geneigte Steuerfläche (19, 21) aufweist, an der in der Klappenstellung "offen" das jeweils andere Klemmelement anliegt, und wobei in der Klappenstellung "offen" das bewegte Hubanschlagelement (11) an dem ruhenden Hubanschlagelement (9) anliegt. - Drosselklappeneinheit nach Anspruch 1,
dadurch gekennzeichnet, daß die Koppeleinrichtung ein mit der Membran der Unterdruckdose verbundenes Gestänge (15) und einen mit der Welle (5) verbundenen Kurbelarm (16) umfaßt, wobei das drehbare Klemmelement (20) Teil des Kurbelarms (16) ist. - Drosselklappeneinheit nach Anspruch 1 oder Anspruch 2,
dadurch gekennzeichnet, daß sowohl das ruhende (18) als auch das bewegte Klemmelement (20) eine zur Achse (7) geneigte Steuerfläche (19, 21) aufweisen. - Drosselklappeneinheit nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß das ruhende Klemmelement (18) einem Befestigungsbügel (13) zugeordnet ist, mittels dessen sich die Unterdruckdose (14) an dem Klappengehäuse (1) abstützt. - Drosselklappeneinheit nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß die Welle (5) in dem Klappengehäuse (1) in zwei Gleitlagern (3, 4) gelagert ist, von denen mindestens eines als Bundgleitlager ausgeführt ist, wobei der Bund (8) des Bundgleitlagers das ruhende Hubanschlagelement (9) bildet. - Drosselklappeneinheit nach Anspruch 5,
dadurch gekennzeichnet, daß das bewegte Hubanschlagelement (11) durch einen Bund oder einen Absatz der Welle (5) gebildet ist. - Drosselklappeneinheit nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß das ruhende Hubanschlagelement (11) durch das Klappengehäuse (1) gebildet ist. - Drosselklappeneinheit nach Anspruch 7,
dadurch gekennzeichnet, daß das bewegte Hubanschlagelement (11) durch das Verschlußelement (6) gebildet ist. - Drosselklappeneinheit nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, daß das Verschlußelement (6) nahe der Achse (7) zylindrisch geformt ist und die Welle (5) in sich aufnimmt. - Drosselklappeneinheit nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet, daß die Welle (5) in dem Klappengehäuse (1) in zwei Gleitlagern (3, 4) gelagert ist, welche aus einem Drahtgestrick gebildet sind. - Drosselklappeneinheit nach einem der Ansprüche 1 bis 10,
dadurch gekennzeichnet, daß das Verschlußelement (6) in der Klappenstellung geschlossen nur in seinen von der Achse (7) entfernten Bereichen an der Innenwand (12) des Klappengehäuses (1) anliegt, während benachbart zur Achse zwischen dem Verschlußelement (6) und der Innenwand des Klappengehäuses (1) ein geringes Spiel besteht.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002119268 DE10219268C1 (de) | 2002-04-30 | 2002-04-30 | Drosselklappeneinheit |
DE10219268 | 2002-04-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1359300A2 true EP1359300A2 (de) | 2003-11-05 |
EP1359300A3 EP1359300A3 (de) | 2007-05-23 |
EP1359300B1 EP1359300B1 (de) | 2008-07-23 |
Family
ID=7714462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20030007851 Expired - Lifetime EP1359300B1 (de) | 2002-04-30 | 2003-04-05 | Drosselklappeneinheit |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1359300B1 (de) |
DE (2) | DE10219268C1 (de) |
ES (1) | ES2310221T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130192415A1 (en) * | 2010-12-21 | 2013-08-01 | Aisin Seiki Kabushiki Kaisha | Operational rod coupling arrangement and connecting member |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006036509A2 (en) * | 2004-09-22 | 2006-04-06 | Arvin Technologies, Inc. | Noise attenuation valve assembly |
DE102005033601B4 (de) * | 2005-07-14 | 2008-07-03 | Küster Automotive Door Systems GmbH | Elektromechanische Stelleinrichtung für Abgasstauklappe |
DE102007026822B4 (de) * | 2007-06-06 | 2010-10-28 | Küster Automotive Control Systems GmbH | Detektionseinrichtung zur Messung der Verstellbewegung einer Abgasstauklappe |
DE102009054184A1 (de) * | 2009-11-23 | 2011-05-26 | Mahle International Gmbh | Klappenvorrichtung und Sauganlage |
DE102012019516B4 (de) * | 2012-10-05 | 2022-05-19 | Audi Ag | Abgasturbolader mit einer mittels eines Aktuators über ein Gelenk verstellbaren Einrichtung |
DE102016123738B4 (de) * | 2016-12-08 | 2020-11-05 | Pierburg Gmbh | Klappenvorrichtung |
US10883417B2 (en) * | 2017-11-22 | 2021-01-05 | Speedwerx, Inc. | Combustion exhaust valve |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4027269A1 (de) | 1990-08-29 | 1992-03-05 | Vdo Schindling | Drosselklappenstutzen |
DE4209586A1 (de) | 1992-03-25 | 1993-09-30 | Bosch Gmbh Robert | Drosseleinrichtung |
DE4313454A1 (de) | 1993-04-24 | 1994-10-27 | Pierburg Gmbh | Anordnung einer Drosselklappe |
DE19729648A1 (de) | 1997-07-11 | 1999-01-14 | Mann & Hummel Filter | Einrichtung zum Verstellen einer Ventilklappe |
DE19729335A1 (de) | 1997-07-09 | 1999-01-14 | Pierburg Ag | Anordnung zur Lagerung einer mehrere Schaltklappen tragenden Schaltklappenwelle |
DE19857957A1 (de) | 1998-12-16 | 2000-06-21 | Pierburg Ag | Drosselklappenstutzen |
DE19928473A1 (de) | 1999-06-22 | 2000-12-28 | Pierburg Ag | Drosselklappenstutzen für Brennkraftmaschinen |
DE10006795A1 (de) | 1999-08-05 | 2001-02-08 | Pierburg Ag | Anordnung einer Drosselklappe |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19526143B4 (de) * | 1995-07-18 | 2009-02-19 | Pierburg Gmbh | Anordnung einer Abgasklappe |
DE19630164C2 (de) * | 1996-07-26 | 1998-09-03 | Schmitz & Brill Gmbh & Co Kg | Absperrklappe in Abgassystemen von Brennkraftmaschinen |
KR19980063386A (ko) * | 1996-12-26 | 1998-10-07 | 오니시 요시유키 | 액츄에이터 및 그것을 사용한 배기브레이크장치 |
DE10044780A1 (de) * | 2000-09-09 | 2002-04-04 | Wahler Gmbh & Co Kg Gustav | Steuereinrichtung mit einer Steuerklappe zur Steuerung eines Mediums |
-
2002
- 2002-04-30 DE DE2002119268 patent/DE10219268C1/de not_active Expired - Fee Related
-
2003
- 2003-04-05 EP EP20030007851 patent/EP1359300B1/de not_active Expired - Lifetime
- 2003-04-05 ES ES03007851T patent/ES2310221T3/es not_active Expired - Lifetime
- 2003-04-05 DE DE50310181T patent/DE50310181D1/de not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4027269A1 (de) | 1990-08-29 | 1992-03-05 | Vdo Schindling | Drosselklappenstutzen |
DE4209586A1 (de) | 1992-03-25 | 1993-09-30 | Bosch Gmbh Robert | Drosseleinrichtung |
DE4313454A1 (de) | 1993-04-24 | 1994-10-27 | Pierburg Gmbh | Anordnung einer Drosselklappe |
DE19729335A1 (de) | 1997-07-09 | 1999-01-14 | Pierburg Ag | Anordnung zur Lagerung einer mehrere Schaltklappen tragenden Schaltklappenwelle |
DE19729648A1 (de) | 1997-07-11 | 1999-01-14 | Mann & Hummel Filter | Einrichtung zum Verstellen einer Ventilklappe |
DE19857957A1 (de) | 1998-12-16 | 2000-06-21 | Pierburg Ag | Drosselklappenstutzen |
DE19928473A1 (de) | 1999-06-22 | 2000-12-28 | Pierburg Ag | Drosselklappenstutzen für Brennkraftmaschinen |
DE10006795A1 (de) | 1999-08-05 | 2001-02-08 | Pierburg Ag | Anordnung einer Drosselklappe |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130192415A1 (en) * | 2010-12-21 | 2013-08-01 | Aisin Seiki Kabushiki Kaisha | Operational rod coupling arrangement and connecting member |
US8826772B2 (en) * | 2010-12-21 | 2014-09-09 | Aisin Seiki Kabushiki Kaisha | Operational rod coupling arrangement and connecting member |
Also Published As
Publication number | Publication date |
---|---|
DE50310181D1 (de) | 2008-09-04 |
EP1359300A3 (de) | 2007-05-23 |
ES2310221T3 (es) | 2009-01-01 |
EP1359300B1 (de) | 2008-07-23 |
DE10219268C1 (de) | 2003-07-03 |
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