WO2006003016A1 - Klappenventil für die abgasanlage eines kraftfahrzeuges - Google Patents
Klappenventil für die abgasanlage eines kraftfahrzeuges Download PDFInfo
- Publication number
- WO2006003016A1 WO2006003016A1 PCT/EP2005/007332 EP2005007332W WO2006003016A1 WO 2006003016 A1 WO2006003016 A1 WO 2006003016A1 EP 2005007332 W EP2005007332 W EP 2005007332W WO 2006003016 A1 WO2006003016 A1 WO 2006003016A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shaft
- flap valve
- bearing housing
- valve according
- flap
- Prior art date
Links
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
- F02D9/106—Sealing of the valve shaft in the housing, e.g. details of the bearings
-
- 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2268—Sealing means for the axis of rotation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/023—Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles
- F16K41/026—Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles for rotating valves
Definitions
- the invention relates to a flap valve for the exhaust system of a motor vehicle.
- a flap valve for the exhaust system of a motor vehicle.
- a flap valve for the exhaust system of a motor vehicle.
- a motor vehicle Such, for example, from EP 0 835 998 Bl known valve is generally used as a blocking device in branched exhaust systems. It has a valve housing in which a flap is rotatably mounted about a shaft extending transversely to the central longitudinal axis of the valve housing or transversely to a flow channel delimited by it.
- the valve flap can be pivoted between a closed position covering the inner cross-sectional area of the valve housing and an opening position which releases it.
- a bearing housing is gas-tight, such as welded.
- the shaft projects into the bearing housing via a first opening in the valve housing and out of this via a second opening in the bearing housing.
- the shaft is surrounded by a bearing ring which has a flap-facing transverse to the shaft federbe ⁇ aufschlagte support surface and facing away from the flap, with a second opening bounding inner wall portion of the bearing housing in the sense of a sliding pair together acting sliding surface. This is pressed by a shaft element surrounding the shaft to the inner wall area mentioned, which on the one hand is supported on the support surface and on the other side directly or indirectly on the shaft.
- the material of the bearing ring is chosen so that in a rotary actuation of the shaft the lowest possible frictional forces are overcome, but still one Ensures sufficient sealing, so it is prevented that exhaust gas can pass over the present between Lagering and the inner wall portion of the bearing housing separating gap to the outside.
- Materials that meet these requirements such as ceramic materials, usually have a lower thermal expansion than the material of the shaft, such as stainless steel. Temperatu ⁇ be ren 600 0 C and more achieved in the bearing housing during operation. In order to allow a radial expansion of the shaft in such Er ⁇ heating, without causing the bearing ring is destroyed, a correspondingly large game between the said parts is provided.
- the object of the invention is to propose a flap valve that does not require expensive disc springs, but still a. Outflow of exhaust gas through the annular gap between ' bearing ring and shaft is prevented or at least reduced.
- This object is achieved according to claim 1, characterized in that as a spring element in the direction of the central longitudinal axis (10) komp ⁇ rim jewe
- mineral fiber mat is present.
- Such mats in particular when it comes to mats used for the storage of monoliths in exhaust systems of motor vehicles, produce in the compressed state restoring forces that are equal to those of a coil spring or a cup spring stack and are sufficient, the bearing ring with enough large force to press against the bearing housing and to ensure the required tightness. In the compressed state, the fibers of these mats are compressed so tightly that a passage of exhaust gas can be observed at most to an insignificant extent.
- a material for the bearing ring that both good sliding alswei ⁇ and sealing characteristics for cooperation with a rule be metallized surface, so the above-mentioned inner wall portion of the bearing housing, is a • • ceramic material. This points naturally a much smaller thermal expansion than the metallic, consisting of stainless steel shaft. Therefore, between the shaft and the bearing ring a correspondingly large clearance is required to ensure unimpeded radial expansion of the shaft at high temperatures.
- the bearing ring can be made entirely of ceramic material. However, it is also conceivable that only a region carrying the sliding surface consists of ceramic.
- the spring element can be supported directly on the shaft.
- an outwardly extending radial shoulder is present at this.
- a socket encompassing the shaft vor ⁇ present, which cooperates with its peripheral surface with the inner surface of the bearing housing in the sense of a sliding pair.
- the bush is a separate part, it can be made of a material which has lower coefficients of friction than the metallic bearing housing than would be the case with a metal / metal friction pairing.
- a bushing of ceramic material is used.
- FIG. 1 shows a cross section through a flap valve
- Fig. 2 shows the detail II of FIG. 1
- a flap valve comprises a valve housing 1 designed as a tubular section, a valve flap 3 rotatably mounted therein by means of a shaft 2, and a bearing housing 4.
- the shaft 2 extends transversely to the center longitudinal axis 11 of the valve housing 1 or of the flow channel 21 enclosed by the latter.
- the wall 5 of the valve housing 1 having a circular inner cross-section is pierced by a first opening 6. Via this opening, the shaft 2 extends into the bearing housing 4.
- a second opening 7 is present, which is remote from the valve flap 3 facing away from the outer end 8 of the shaft.
- the inner end 9 of the shaft 2 is radially widened, the transition between the narrower and the wider shaft part being formed as a radial shoulder 12 extending at right angles to the central longitudinal axis 10 of the shaft 2.
- the inner end 9 of the shaft 2 carries the valve flap 3.
- the end 9 has an axial slot (not shown) in which the valve flap 3 is inserted with an edge region and fixed approximately by welding.
- a bearing pin 13 is fixed to the valve flap 2, the housing 1 engages in a cup-shaped recess 14 in the wall 5 of the Ventilge ⁇ .
- the approximately sleeve-shaped bearing housing 4 is inserted with its inner space of the valve housing 1 facing the end 15 in the first opening 6 of the valve housing and welded to the wall 5.
- the region of the bearing housing 4 which adjoins the second opening 7, for example, is in the form of a cone 16 which opens toward the flap 3.
- a bearing ring 17 made of a Keramikma- arranged material.
- the annular ring 18 is dimensioned such that the shaft can expand radially when heated during vehicle operation to temperatures of> 600 0 C without radially expanding the bearing ring 18, the bearing ring 18 surrounds the shaft 2, leaving an annular gap. which would result in its destruction due to the brittle ceramic material.
- the bearing ring 17 has a valve flap 3 facing, transverse to the central longitudinal axis 10 extending flat support surface 19. Furthermore, there is provided on the bearing ring 17 a sliding surface 20 pointing away from the valve flap 3, which interacts with the inner wall region 22 of the cone 16 or the bearing housing 4 in the sense of a sliding pairing.
- the Gleitflä ⁇ surface 20 is curved and part of a spherical or Torusflache. Due to this configuration, only a narrow, almost linear contact region 23 is present between the inner wall region 22 and the sliding surface 20.
- a mineral fiber mat 25 is arranged in the present between the shaft 2 and the inner wall of Lagergeophu ⁇ ses 4 annular space 24 . It is a mat with polycrystalline fibers. Such a mat which is also used for the storage of monoliths is available under the trade name Maftec from Thermal Ceramics, US. It is a mat with 80 to 99 wt.% Polycrystalline fibers, which have a proportion of more than 63 wt.% Of alumina auf ⁇ . The fibers are bonded together with 1 to 20% by weight of acrylate binder.
- the mineral fiber mat 25 is arranged in the annular space 24 such that its fibers run essentially transversely to the shaft 2 or to its central longitudinal axis 10.
- the mineral fiber web 19 of the bearing ring 25 is supported on the one hand to the support surface 17 and réelle ⁇ side of the valve ⁇ appe 3 remote from end face 26 a • ⁇ the shaft 2 comprehensive jack 29. This in turn rests with its other end face 27 flat on the radial shoulder 12.
- the annular space 24 has a height 28 of 8mm, an outer diameter 36 (corresponding to the inner diameter of the bearing housing in the region of Mineralfa ⁇ sermatte) of 14mm and an inner diameter 37 (corresponding diameter of the shaft 2) of 6mm.
- Two mat rings 25a punched out of a mat blank are pressed into the annular space 24 and have an initial thickness of 8 to 9 mm and a surface weight of 1200 g / m 2 .
- the outer diameter of the non-compressed mat rings 25a is 14 mm, whose inner diameter is 5.5 mm. Due to these dimensions, the mat rings 25a can be easily inserted into the annulus 24, but fill it completely.
- the starting density of the mat rings 25a is about 160 kg / m 3 , whereas after the axial compression the mat has a nominal density of about 320 kg / m 3 .
- a surface pressure of approximately 12N / cm 2 and a spring force of approximately 18N are achieved. This spring force is sufficient to press the bearing ring 17 with its sliding surface 10 against the inner wall region 22 of the bearing housing 4 in such a way that sufficient tightness is ensured.
- the mineral fiber web 25 meets their density and their Fe ⁇ derfunktion even at temperatures of over 1000 0 C. In this case, the advertising leakage of less than 21 / min reached at 300 mbar.
- the bushing 29 also comprises the shaft 2, leaving an annular gap 18 b, in order to allow the above-mentioned radial expansion of the shaft 2.
- the outer diameter of the bushing 29 and the inner diameter of a sleeve surrounding réelle ⁇ wall portion 32 of the bearing housing 4 are dimensioned so that even in the cold Zustai 1 an annular gap 33 between the mentioned Parts is available. In the event that, in spite of this annular gap, the bushing 29 comes into contact with the inner wall area, the rotational actuating forces for the shaft 2 are only slightly increased due to the low friction between the ceramic material of the bushing 29 and the metallic bearing housing 4.
- 3a to 3c show a bearing housing 4a whose inner wall region 22a cooperating with the bearing ring 17a does not extend obliquely but at right angles to the central longitudinal axis 10 of the shaft 2.
- the sliding surface 20a of the bearing ring 17a extends parallel to the inner wall portion 22.
- the inner wall portion 22a and the sliding surface 20a are not abutted with their entire surface but only with a smaller contact area 23a. This is accomplished by providing either the sliding surface 20a or the inner wall region 22a with an annular projection 34 or 35 cooperating with the respective other surface in the sense of a sliding pairing.
- valve flap 35 32 inner wall area
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lift Valve (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05759704A EP1776517B1 (de) | 2004-07-07 | 2005-07-07 | Klappenventil für die abgasanlage eines kraftfahrzeuges |
DE502005007144T DE502005007144D1 (de) | 2004-07-07 | 2005-07-07 | Klappenventil für die abgasanlage eines kraftfahrzeuges |
US11/650,804 US7503544B2 (en) | 2004-07-07 | 2007-01-08 | Flap valve for a motor vehicle exhaust system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004032856A DE102004032856A1 (de) | 2004-07-07 | 2004-07-07 | Klappenventil für die Abgasanlage eines Kraftfahrzeugs |
DE102004032856.0 | 2004-07-07 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/650,804 Continuation US7503544B2 (en) | 2004-07-07 | 2007-01-08 | Flap valve for a motor vehicle exhaust system |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006003016A1 true WO2006003016A1 (de) | 2006-01-12 |
Family
ID=35005631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/007332 WO2006003016A1 (de) | 2004-07-07 | 2005-07-07 | Klappenventil für die abgasanlage eines kraftfahrzeuges |
Country Status (4)
Country | Link |
---|---|
US (1) | US7503544B2 (de) |
EP (1) | EP1776517B1 (de) |
DE (2) | DE102004032856A1 (de) |
WO (1) | WO2006003016A1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5154888B2 (ja) * | 2007-10-19 | 2013-02-27 | 大豊工業株式会社 | バルブアセンブリ |
DE102009014140A1 (de) | 2009-03-24 | 2010-10-07 | Mtu Friedrichshafen Gmbh | Klappenanordnung, insbesondere Abgasklappenanordnung |
DE102009052423B4 (de) | 2009-11-10 | 2011-07-28 | Heinrich Gillet GmbH, 67480 | Ventilklappenvorrichtung |
US9163565B2 (en) | 2010-05-19 | 2015-10-20 | Tenneco Gmbh | Valve flap device |
US8857561B2 (en) | 2010-12-01 | 2014-10-14 | Faurecia Emissions Control Technologies | Exhaust valve combined with active noise control system |
FR2979408B1 (fr) | 2011-08-25 | 2013-08-23 | Valeo Sys Controle Moteur Sas | Vanne de circulation de fluide a volet mobile |
FR2983251A1 (fr) * | 2011-11-30 | 2013-05-31 | Faurecia Sys Echappement | Vanne pour une ligne d'echappement d'un vehicule automobile et methode de fabrication |
US9540995B2 (en) | 2012-03-06 | 2017-01-10 | KATCON USA, Inc. | Exhaust valve assembly |
DE102013101983B4 (de) * | 2013-02-28 | 2015-07-16 | Pierburg Gmbh | Klappenvorrichtung für eine Verbrennungskraftmaschine |
DE102014104579B4 (de) * | 2014-04-01 | 2017-05-11 | Pierburg Gmbh | Klappenvorrichtung für eine Verbrennungskraftmaschine |
DE102014104578B4 (de) | 2014-04-01 | 2020-02-06 | Pierburg Gmbh | Klappenvorrichtung für eine Verbrennungskraftmaschine |
DE102014110849A1 (de) * | 2014-07-31 | 2016-02-04 | Friedrich Boysen Gmbh & Co. Kg | Klappeneinrichtung |
DE102014112398B4 (de) * | 2014-08-28 | 2021-01-21 | BorgWarner Esslingen GmbH | Ventil für einen Abgasstrang einer Brennkraftmaschine |
DE102016122369B4 (de) * | 2016-11-21 | 2019-03-21 | Tenneco Gmbh | Lagerung einer Klappenventilwelle |
CN210769043U (zh) * | 2017-04-11 | 2020-06-16 | 富尔西亚排气系统公司 | 阀以及具有这种阀的尾气管路 |
DE102017117289A1 (de) * | 2017-07-31 | 2019-01-31 | Friedrich Boysen Gmbh & Co. Kg | Klappeneinrichtung |
US11149658B2 (en) * | 2017-09-05 | 2021-10-19 | Faurecia Systemes D'echappement | Anti-rattle valve, exhaust line comprising such valve and method for manufacturing such valve |
KR102053337B1 (ko) * | 2017-12-01 | 2019-12-06 | 현대자동차주식회사 | Egr밸브 엑츄에이터 |
FR3080428B1 (fr) * | 2018-04-24 | 2020-04-03 | Faurecia Systemes D'echappement | Vanne pilotee pour ligne d'echappement et procede de fabrication correspondant |
FR3080427B1 (fr) * | 2018-04-24 | 2020-04-03 | Faurecia Systemes D'echappement | Vanne pour une ligne d'echappement |
CN112762179B (zh) * | 2021-01-14 | 2021-07-27 | 天工阀门集团有限公司 | 一种便于在线维修的超低温蝶阀 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH207290A (de) * | 1938-02-05 | 1939-10-15 | Saurer Ag Adolph | Bremsvorrichtung für Kraftfahrzeuge mit Brennkraftmotoren. |
US3076657A (en) * | 1961-02-10 | 1963-02-05 | Consolidation Coal Co | Fluid seal |
EP0023953A1 (de) * | 1979-08-08 | 1981-02-18 | Krupp Polysius Ag | Abdichtung und Lagerung der Welle einer Pendelklappe |
US5630571A (en) * | 1995-10-16 | 1997-05-20 | General Motors Corporation | Exhaust flow control valve |
EP0821191A1 (de) * | 1996-07-26 | 1998-01-28 | Ecia - Equipements Et Composants Pour L'industrie Automobile | Ventil, insbesondere für eine Auspuffleitung |
EP0821148A1 (de) * | 1996-07-26 | 1998-01-28 | Ecia - Equipements Et Composants Pour L'industrie Automobile | Ventilanordnung eines röhrformigen Organs und Montageverfahren einer metallischen Ventilklappe dieser Ventilanordnung |
EP0835998A1 (de) | 1996-10-11 | 1998-04-15 | Ecia - Equipements Et Composants Pour L'industrie Automobile | Ventil, insbesondere Auspuffkrümmerventil |
EP1291509A2 (de) * | 2001-08-31 | 2003-03-12 | Siemens Aktiengesellschaft | Ventilkomponentensatz für interne Bypass-Strömung |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3661171A (en) * | 1970-05-12 | 1972-05-09 | Xomox Corp | Butterfly valve |
US3902697A (en) * | 1973-09-27 | 1975-09-02 | Milwaukee Valve | Butterfly valve |
US4010775A (en) * | 1975-01-15 | 1977-03-08 | Consolidated Controls Corporation | High temperature valve |
US5711510A (en) * | 1991-12-17 | 1998-01-27 | Stary; Gary M. | Pipeline valve apparatus |
US5203539A (en) * | 1991-12-17 | 1993-04-20 | Stary Gary M | Pipeline valve apparatus |
DE4337097C2 (de) | 1992-11-02 | 1996-03-14 | Toyota Motor Co Ltd | Tragkonstruktion für eine keramische Drosselklappenanordnung |
FR2777946B1 (fr) * | 1998-04-22 | 2000-06-16 | Fowa | Dispositif ralentisseur monte dans le circuit d'echappement des gaz d'un vehicule equipe d'un moteur a combustion |
DE19848440A1 (de) * | 1998-10-21 | 2000-04-27 | Mann & Hummel Filter | Klappenmechanismus |
DE10006795A1 (de) * | 1999-08-05 | 2001-02-08 | Pierburg Ag | Anordnung einer Drosselklappe |
US6273119B1 (en) * | 2000-03-06 | 2001-08-14 | Delphi Technologies, Inc. | Exhaust control valve and method of manufacturing same |
-
2004
- 2004-07-07 DE DE102004032856A patent/DE102004032856A1/de not_active Withdrawn
-
2005
- 2005-07-07 WO PCT/EP2005/007332 patent/WO2006003016A1/de active Application Filing
- 2005-07-07 EP EP05759704A patent/EP1776517B1/de not_active Ceased
- 2005-07-07 DE DE502005007144T patent/DE502005007144D1/de active Active
-
2007
- 2007-01-08 US US11/650,804 patent/US7503544B2/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH207290A (de) * | 1938-02-05 | 1939-10-15 | Saurer Ag Adolph | Bremsvorrichtung für Kraftfahrzeuge mit Brennkraftmotoren. |
US3076657A (en) * | 1961-02-10 | 1963-02-05 | Consolidation Coal Co | Fluid seal |
EP0023953A1 (de) * | 1979-08-08 | 1981-02-18 | Krupp Polysius Ag | Abdichtung und Lagerung der Welle einer Pendelklappe |
US5630571A (en) * | 1995-10-16 | 1997-05-20 | General Motors Corporation | Exhaust flow control valve |
EP0821191A1 (de) * | 1996-07-26 | 1998-01-28 | Ecia - Equipements Et Composants Pour L'industrie Automobile | Ventil, insbesondere für eine Auspuffleitung |
EP0821148A1 (de) * | 1996-07-26 | 1998-01-28 | Ecia - Equipements Et Composants Pour L'industrie Automobile | Ventilanordnung eines röhrformigen Organs und Montageverfahren einer metallischen Ventilklappe dieser Ventilanordnung |
EP0835998A1 (de) | 1996-10-11 | 1998-04-15 | Ecia - Equipements Et Composants Pour L'industrie Automobile | Ventil, insbesondere Auspuffkrümmerventil |
EP1291509A2 (de) * | 2001-08-31 | 2003-03-12 | Siemens Aktiengesellschaft | Ventilkomponentensatz für interne Bypass-Strömung |
Also Published As
Publication number | Publication date |
---|---|
DE502005007144D1 (de) | 2009-06-04 |
US20070131889A1 (en) | 2007-06-14 |
EP1776517B1 (de) | 2009-04-22 |
US7503544B2 (en) | 2009-03-17 |
DE102004032856A1 (de) | 2006-02-02 |
EP1776517A1 (de) | 2007-04-25 |
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