WO2015055650A1 - Valve device for a motor vehicle - Google Patents

Valve device for a motor vehicle Download PDF

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Publication number
WO2015055650A1
WO2015055650A1 PCT/EP2014/072016 EP2014072016W WO2015055650A1 WO 2015055650 A1 WO2015055650 A1 WO 2015055650A1 EP 2014072016 W EP2014072016 W EP 2014072016W WO 2015055650 A1 WO2015055650 A1 WO 2015055650A1
Authority
WO
WIPO (PCT)
Prior art keywords
flap
seal
housing
flow channel
valve device
Prior art date
Application number
PCT/EP2014/072016
Other languages
German (de)
French (fr)
Inventor
Joachim Von Willich
Peter Kohlen
Christian Reimann
Sybille MONTIGNY
Original Assignee
Continental Automotive 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 Continental Automotive Gmbh filed Critical Continental Automotive Gmbh
Publication of WO2015055650A1 publication Critical patent/WO2015055650A1/en

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
    • 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
    • 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
    • F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
    • 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
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/42—Valve seats
    • 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
    • F16K1/32—Details
    • F16K1/54—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
    • 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
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/42—Valve seats
    • F16K1/422—Valve seats attachable by a threaded connection to the housing

Definitions

  • a valve device for a motor vehicle having a housing, a be ⁇ -sensitive in the housing flow channel, a being ⁇ arranged in the flow channel flap for closing the flow channel, wherein the flap attached to an axle and the axle rotatably is stored in the housing.
  • valve devices are used for example as Dros ⁇ selklappenstutzen or exhaust gas recirculation valves use and have long been known.
  • the valve device is designed for the maximum mass flow rate and thus for the free flow cross-section in the region of the flap.
  • the control of the mass flow rate the greatest difficulty is to achieve a sufficient quality of control at the minimum mass flow rate at which the flap is pivoted from the closed state only a few degrees.
  • a careful coordination with regard to the geometry and the material pairings between the flap and the flow channel is required.
  • the invention has for its object to provide a valve device with the particular small mass flow rates with high quality and low cost can be controlled.
  • the object is achieved in that the seal is arranged in the housing and that the flow channel relative to its axial length on both sides of the seal has dome-shaped areas.
  • valve device With the arrangement of the seal in the housing and thus in the wall of the flow channel, due to the small thickness of the seal already a very small swing angle of the flap that the flap is no longer in contact with the fixed seal. This has the consequence that the flap already enters from this small pivot angle in the effective range of the two dome-shaped areas and thus in the control area.
  • the essential The most advantageous advantage is that with the valve device according to the invention, a mass flow rate can be regulated even from a very small pivoting angle of the flap.
  • the kalottenför--shaped areas allow thereby the controllability of particularly low mass flow rates, so as to obtain related with this apparatus a very flat characteristic curve for the mass flow rate to the swing angle of the flap, which allows a very good Re ⁇ gel fortune.
  • no separate valve seat which is rather disadvantageous for the control required.
  • the valve device is thus constructed simpler and requires less installation space in the axial extent.
  • the valve device can be particularly easy to manufacture according to an advantageous embodiment, when one of the two dome-shaped areas is formed by an insert.
  • the arrangement of the dome-shaped insert in the flow channel is particularly simple when it is screwed or pressed.
  • the arrangement of the seal is connected according to another advantageous embodiment with little effort when it is arranged between the housing and dome-shaped insert. Additional means for receiving or fixing the seal are not required if the dome-shaped insert has on its the closed position of the flap side facing a receptacle for the seal.
  • the flap is disk-shaped or spherical.
  • the valve device according to the invention has the advantage that both types of flaps can be used. In several embodiments, the invention will be explained in more detail. Show in: 1 shows a valve device according to the invention,
  • Fig. 2 a flap of a valve device according to the prior
  • Fig. 3-5 a plurality of valve assemblies according to the valve device
  • Figure 1 shows an exhaust gas recirculation valve with a housing 1, a flow channel located in the housing 2, in which a disc-shaped flap 3 is arranged.
  • the flap 3 is fixedly connected to an axle 4 and the axle 4 is rotatably mounted in the housing 1.
  • the axis 4 is driven by a housing 1 arranged in the electric motor 5, wherein between the axle 4 and the electric motor 5, a transmission 6 is interposed.
  • FIG. 2 shows a flap 3 according to the prior art with a arranged in the flap 3 seal 7. Up to the pivot angle, the seal 7 is in contact with the cylindrical valve seat 8. The height of the valve seat 8 is twice as high as the axial length between the closed position of the flap 3 and the opening by the seal 7, due to the pivoting of the seal 7 on both sides of the valve seat eighth
  • FIGS. 3 to 5 show different valve shapes of the valve device according to the invention. All devices have in common that the seal 7 is arranged in the housing 1 and thus in the wall of the flow channel 2. Based on the axial extent calotte-shaped portions 9, 10 are arranged on both sides of the seal 7, wherein a dome-shaped portion 9 of the housing 1 and the other dome-shaped portion 10 of an insert 11 which is pressed with the housing 1, is arranged. The dome-shaped insert 11 has on his the
  • the flap 3 in Figure 3 is disc-shaped.
  • the insert 11 has a pronounced Kalottenkontur, so that the axis 4 in addition to the storage in the housing 1 and the insert 11 penetrates.
  • the insert 11 in Figure 4 is flatter, so that the axis 4 is only in contact with the housing 1.
  • the flap 3 in Figure 5 is spherical, whereby an even finer control at very low mass flow rate is possible.
  • the characteristic diagram is used to compare the quality of control in dependence on the Ventilge ⁇ staltung in Figure 6. In this position the flaps is plotted on the vertical axis of the flow rate and on the horizontal axis. After that, the control quality increases the flatter the characteristic is.
  • the characteristic 1 corresponds to a conventional flap.
  • the characteristic curve 3 corresponds to a spherical flap and characteristic curve 2 corresponds to a spherical flap with dome-shaped regions. All three
  • Flaps carry the seal.
  • the characteristic curve 4 corresponds to the valve device according to the invention. Especially in the range of low swivel angle, this characteristic has an even flatter increase.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lift Valve (AREA)

Abstract

The invention relates to a valve device for a motor vehicle, comprising a housing (1), a flow channel (2) in the housing (1), a flap (3) arranged in the flow channel (2) for closing the flow channel (2), the flap (3) having regions in which a pin (4) penetrating the flap (3) is fastened and the pin (4) being rotatably mounted in the housing (1). The seal (7) is arranged in the housing (1) and the flow channel (2) has dome-shaped regions (9, 10) in relation to its axial length on both sides of the seal (7).

Description

Beschreibung description
Ventilvorrichtung für ein Kraftfahrzeug Gegenstand der Erfindung ist eine Ventilvorrichtung für ein Kraftfahrzeug mit einem Gehäuse, einem in dem Gehäuse be¬ findlichen Strömungskanal, einer in dem Strömungskanal ange¬ ordneten Klappe zum Verschließen des Strömungskanals, wobei die Klappe an einer Achse befestigt und die Achse drehbar in dem Gehäuse gelagert ist. A valve device for a motor vehicle The invention relates to a valve device for a motor vehicle having a housing, a be ¬-sensitive in the housing flow channel, a being ¬ arranged in the flow channel flap for closing the flow channel, wherein the flap attached to an axle and the axle rotatably is stored in the housing.
Derartige Ventilvorrichtungen finden beispielsweise als Dros¬ selklappenstutzen oder Abgasrückführventile Verwendung und sind seit langem bekannt. Durch die drehbar gelagerte Klappe ist es möglich, den Strömungskanal vollständig zu verschließen oder derart zu öffnen, dass ein maximaler Massendurchsatz erfolgt. Dementsprechend ist die Ventilvorrichtung nach dem maximalen Massendurchsatz und damit nach dem freien Strömungsquerschnitt im Bereich der Klappe ausgelegt. Hinsichtlich der Regelung des Massendurchsatzes besteht die größte Schwierigkeit darin, beim minimalen Massendurchsatz, bei dem die Klappe aus dem geschlossenen Zustand lediglich wenige Grad verschwenkt wird, eine hinreichende Regelgüte zu erzielen. Hierfür ist eine sorgfältige Abstimmung hinsichtlich der Geometrie und der Materialpaarungen zwischen der Klappe und dem Strömungskanal erforderlich. Dazu ist es bekannt, im Bereich der Schließstellung der Klappe einen auf die Klappe und auf die am Umfang der Klappe angeordnete Dichtung abgestimmten Ventilsitz mit zylindrischer Bohrung im Strömungskanal anzuordnen, der zu beiden Seiten von einer Kalot- tenstruktur umgeben ist. Da sich die Dichtung aufgrund ihrer Elastizität beim Öffnen der Klappe weitet, liegt sie zu Beginn des Öffnens weiter am Ventilsitz an. Erst ab einem gewissen Öffnungswinkel der Klappe steht die Dichtung nicht mehr mit der Wandung des Strömungskanals in Berührung. Das bedeutet, bis zu diesem Punkt ist der Strömungskanal trotz bereits verschwenkter Klappe immer noch verschlossen. Dieser Punkt im Strömungskanal ist bezogen auf die axiale Erstreckung des Strömungskanals einige Millimeter von dem Punkt entfernt, an dem die Dichtung der Klappe in der Schließstellung im Strömungskanal steht. Da die Dichtung beim Öffnen in beide Richtungen verschwenkt, verdoppelt sich diese Strecke. Der zylindrische Ventilsitz muss somit eine axiale Länge von genau dieser Strecke haben, ehe sich die beidenSuch valve devices are used for example as Dros ¬ selklappenstutzen or exhaust gas recirculation valves use and have long been known. By the rotatably mounted flap, it is possible to completely close the flow channel or to open such that a maximum mass flow rate occurs. Accordingly, the valve device is designed for the maximum mass flow rate and thus for the free flow cross-section in the region of the flap. With regard to the control of the mass flow rate, the greatest difficulty is to achieve a sufficient quality of control at the minimum mass flow rate at which the flap is pivoted from the closed state only a few degrees. For this purpose, a careful coordination with regard to the geometry and the material pairings between the flap and the flow channel is required. For this purpose, it is known, in the closed position of the flap, to arrange a valve seat, which is matched to the flap and to the seal arranged on the circumference of the flap, with a cylindrical bore in the flow channel, which is surrounded on both sides by a squid structure. Since the seal expands due to its elasticity when opening the flap, it is at the beginning of opening on the valve seat on. Only from a certain opening angle of the flap, the seal is no longer in contact with the wall of the flow channel. This means, up to this point, the flow channel is still closed, despite the already pivoted flap. This point in the flow channel is based on the axial extent of the flow channel some Millimeter from the point at which the seal of the flap in the closed position is in the flow channel. Since the seal pivots in both directions when opening, this distance doubles. The cylindrical valve seat must therefore have an axial length of exactly this distance, before the two
Kalottenstrukturen anschließen können, um den Massendurchsatz zu regeln. Nachteilig dabei ist, dass der zylindrische Ventilsitz eine nicht unerhebliche axiale Ausdehnung aufweist, was zum einen das Gewicht und die Materialkosten des Ventils erhöht. Zum anderen benötigen solche Ventile einen größeren Bauraum in axialer Erstreckung. Weiter ist aufgrund der verwendeten Dichtung, insbesondere deren Elastizität und die damit ver¬ bundene Ausdehnung in Abhängigkeit von der Temperatur, die Strecke bis zu der trotz öffnender Klappe der Strömungskanal immer noch verschlossen ist, variabel. Dadurch ist die gewählte axiale Länge des Ventilsitzes immer ein Kompromiss, so dass die Regelgüte in Abhängigkeit von diesen Randbedingungen schwankt. Ein weiterer Nachteil besteht darin, dass die Klappe zuerst immer um einen nicht unerheblichen Winkel verschwenkt werden muss, bis der Regelbereich erreicht ist. Can connect calotte structures to control the mass flow rate. The disadvantage here is that the cylindrical valve seat has a considerable axial extent, which on the one hand increases the weight and material costs of the valve. On the other hand, such valves require a larger space in the axial direction. Next, is variable due to the seal used in particular its flexibility and therefore ver ¬ Thematic expansion depending on the temperature range is up to the spite inside flap of the flow passage is still closed. As a result, the selected axial length of the valve seat is always a compromise, so that the control quality varies depending on these boundary conditions. Another disadvantage is that the flap must first always be pivoted by a significant angle until the control range is reached.
Der Erfindung liegt die Aufgabe zugrunde, eine Ventilvorrichtung zu schaffen, mit der insbesondere kleine Massendurchsätze mit hoher Güte und geringem Aufwand regelbar sind. The invention has for its object to provide a valve device with the particular small mass flow rates with high quality and low cost can be controlled.
Gelöst wird die Aufgabe dadurch, dass die Dichtung im Gehäuse angeordnet ist und dass der Strömungskanal bezogen auf seine axiale Länge beidseitig der Dichtung kalottenförmige Bereiche aufweist . The object is achieved in that the seal is arranged in the housing and that the flow channel relative to its axial length on both sides of the seal has dome-shaped areas.
Mit der Anordnung der Dichtung im Gehäuse und somit in der Wand des Strömungskanals reicht aufgrund der geringen Dicke der Dichtung bereits ein ganz geringer Schwenkwinkel der Klappe, dass die Klappe nicht mehr in Berührung mit der feststehenden Dichtung ist. Das hat zur Folge, dass die Klappe bereits ab diesem geringen Schwenkwinkel in den Wirkbereich der beiden kalottenförmigen Bereiche und damit in den Regelbereich eintritt. Der wesent- lichste Vorteil besteht darin, dass mit der erfindungsgemäßen Ventilvorrichtung bereits ab einem sehr geringen Schwenkwinkel der Klappe ein Massendurchsatz regelbar ist. Die kalottenför- migen Bereiche erlauben dabei die Regelbarkeit von besonders geringen Massendurchsätzen, so dass man mit dieser Vorrichtung eine sehr flache Kennlinie für den Massendurchsatz bezogen auf den Schwenkwinkel der Klappe erhält, was eine sehr gute Re¬ gelbarkeit ermöglicht. Zudem ist kein separater Ventilsitz, der für die Regelung eher nachteilig ist, erforderlich. Die Ven- tilvorrichtung ist somit einfacher aufgebaut und benötigt in axialer Erstreckung weniger Bauraum. With the arrangement of the seal in the housing and thus in the wall of the flow channel, due to the small thickness of the seal already a very small swing angle of the flap that the flap is no longer in contact with the fixed seal. This has the consequence that the flap already enters from this small pivot angle in the effective range of the two dome-shaped areas and thus in the control area. The essential The most advantageous advantage is that with the valve device according to the invention, a mass flow rate can be regulated even from a very small pivoting angle of the flap. The kalottenför--shaped areas allow thereby the controllability of particularly low mass flow rates, so as to obtain related with this apparatus a very flat characteristic curve for the mass flow rate to the swing angle of the flap, which allows a very good Re ¬ gelbarkeit. In addition, no separate valve seat, which is rather disadvantageous for the control required. The valve device is thus constructed simpler and requires less installation space in the axial extent.
Die Ventilvorrichtung lässt sich gemäß einer vorteilhaften Ausgestaltung besonders einfach fertigen, wenn einer der beiden kalottenförmigen Bereiche von einem Einsatz gebildet ist. The valve device can be particularly easy to manufacture according to an advantageous embodiment, when one of the two dome-shaped areas is formed by an insert.
Die Anordnung des kalottenförmigen Einsatzes im Strömungskanal gestaltet sich besonders einfach, wenn er eingeschraubt oder eingepresst ist. The arrangement of the dome-shaped insert in the flow channel is particularly simple when it is screwed or pressed.
Die Anordnung der Dichtung ist gemäß einer anderen vorteilhaften Ausgestaltung mit wenig Aufwand verbunden, wenn sie zwischen Gehäuse und kalottenförmigen Einsatz angeordnet ist. Zusätzliche Mittel zur Aufnahme oder Fixierung der Dichtung sind nicht erforderlich, wenn der kalottenförmige Einsatz auf seiner der Schließstellung der Klappe zugewandten Seite eine Aufnahme für die Dichtung hat. In Abhängigkeit von dem zu regelnden Massendurchsatz ist die Klappe scheibenförmig oder kugelförmig ausgebildet. Die erfindungsgemäße Ventilvorrichtung hat dabei den Vorteil das beide Arten von Klappen verwendet werden können. An mehreren Ausführungsbeispielen wird die Erfindung näher erläutert. Es zeigen in: Fig. 1: eine erfindungsgemäße Ventilvorrichtung, The arrangement of the seal is connected according to another advantageous embodiment with little effort when it is arranged between the housing and dome-shaped insert. Additional means for receiving or fixing the seal are not required if the dome-shaped insert has on its the closed position of the flap side facing a receptacle for the seal. Depending on the mass flow rate to be controlled, the flap is disk-shaped or spherical. The valve device according to the invention has the advantage that both types of flaps can be used. In several embodiments, the invention will be explained in more detail. Show in: 1 shows a valve device according to the invention,
Fig. 2: eine Klappe einer Ventilvorrichtung nach dem Stand der Fig. 2: a flap of a valve device according to the prior
Technik,  Technology,
Fig. 3-5: mehrere Klappenanordnungen der Ventilvorrichtung nach Fig. 3-5: a plurality of valve assemblies according to the valve device
Fig. 1 und  Fig. 1 and
Fig. 6: ein Kennliniendiagramm. 6: a characteristic diagram.
Figur 1 zeigt ein Abgasrückführventil mit einem Gehäuse 1, einem in dem Gehäuse befindlichen Strömungskanal 2, in dem eine scheibenförmige Klappe 3 angeordnet ist. Die Klappe 3 ist fest mit einer Achse 4 verbunden und die Achse 4 ist in dem Gehäuse 1 drehbar gelagert. Die Achse 4 wird von einem im Gehäuse 1 angeordneten Elektromotor 5 angetrieben, wobei zwischen Achse 4 und Elektromotor 5 ein Getriebe 6 zwischengeschaltet ist. Figure 1 shows an exhaust gas recirculation valve with a housing 1, a flow channel located in the housing 2, in which a disc-shaped flap 3 is arranged. The flap 3 is fixedly connected to an axle 4 and the axle 4 is rotatably mounted in the housing 1. The axis 4 is driven by a housing 1 arranged in the electric motor 5, wherein between the axle 4 and the electric motor 5, a transmission 6 is interposed.
Figur 2 zeigt eine Klappe 3 nach dem Stand der Technik mit einer in der Klappe 3 angeordneten Dichtung 7. Bis zum Schwenkwinkel steht die Dichtung 7 mit dem zylindrischen Ventilsitz 8 in Kontakt. Die Höhe des Ventilsitzes 8 ist dabei doppelt so hoch wie die axiale Länge zwischen der Schließstellung der Klappe 3 und dem Öffnen durch die Dichtung 7, bedingt durch das Ver- schwenken der Dichtung 7 auf beiden Seiten des Ventilsitzes 8. Figure 2 shows a flap 3 according to the prior art with a arranged in the flap 3 seal 7. Up to the pivot angle, the seal 7 is in contact with the cylindrical valve seat 8. The height of the valve seat 8 is twice as high as the axial length between the closed position of the flap 3 and the opening by the seal 7, due to the pivoting of the seal 7 on both sides of the valve seat eighth
Die Figuren 3 bis 5 zeigen verschiedene Klappenformen der erfindungsgemäßen Ventilvorrichtung. Allen Vorrichtungen ist gemeinsam, dass die Dichtung 7 im Gehäuse 1 und somit in der Wand des Strömungskanals 2 angeordnet ist. Bezogen auf die axiale Erstreckung sind zu beiden Seiten der Dichtung 7 kalottenförmige Bereiche 9, 10 angeordnet, wobei ein kalottenförmiger Bereich 9 vom Gehäuse 1 und der andere kalottenförmige Bereich 10 von einem Einsatz 11, welcher mit dem Gehäuse 1 verpresst ist, angeordnet ist. Der kalottenförmige Einsatz 11 besitzt auf seiner derFIGS. 3 to 5 show different valve shapes of the valve device according to the invention. All devices have in common that the seal 7 is arranged in the housing 1 and thus in the wall of the flow channel 2. Based on the axial extent calotte-shaped portions 9, 10 are arranged on both sides of the seal 7, wherein a dome-shaped portion 9 of the housing 1 and the other dome-shaped portion 10 of an insert 11 which is pressed with the housing 1, is arranged. The dome-shaped insert 11 has on his the
Schließstellung der Klappe 3 zugewandten Seite eine Aufnahme 12 für die Dichtung 7, so dass die Dichtung 7 zwischen Gehäuse 1 und Einsatz 11 angeordnet ist. Sobald die Klappe 3 um wenige Grad verschwenkt wird, gibt es keine Berührung zwischen Klappe 3 und Dichtung 7 und die Klappe 3 tritt in die kalottenförmigen Bereiche ein. Ab diesem Schwenkwinkel ist die Regelbarkeit des Massen- durchflusses gegeben. Die Klappe 3 in Figur 3 ist scheibenförmig. Der Einsatz 11 besitzt eine ausgeprägte Kalottenkontur, so dass die Achse 4 neben der Lagerung im Gehäuse 1 auch den Einsatz 11 durchdringt. Der Einsatz 11 in Figur 4 ist flacher, so dass die Achse 4 nur mit dem Gehäuse 1 in Berührung steht. Die Klappe 3 in Figur 5 ist kugelförmig, wodurch eine noch feinere Regelung bei sehr geringem Massendurchsatz möglich ist. Closed position of the flap 3 side facing a receptacle 12 for the seal 7, so that the seal 7 between the housing 1 and Insert 11 is arranged. Once the flap 3 is pivoted by a few degrees, there is no contact between the flap 3 and seal 7 and the flap 3 enters the dome-shaped areas. From this tilt angle, the controllability of the mass flow is given. The flap 3 in Figure 3 is disc-shaped. The insert 11 has a pronounced Kalottenkontur, so that the axis 4 in addition to the storage in the housing 1 and the insert 11 penetrates. The insert 11 in Figure 4 is flatter, so that the axis 4 is only in contact with the housing 1. The flap 3 in Figure 5 is spherical, whereby an even finer control at very low mass flow rate is possible.
Zum Vergleich der Regelgüte in Abhängigkeit von der Ventilge¬ staltung dient das Kennliniendiagramm in Figur 6. In diesem ist auf der senkrechten Achse der Durchfluss und auf der waagerechten Achse die Klappenposition aufgetragen. Danach steigt die Regelgüte je flacher die Kennlinie ist. Die Kennlinie 1 entspricht einer herkömmlichen Klappe. Die Kennlinie 3 entspricht einer kugelförmigen Klappe und Kennlinie 2 entspricht einer kugel- förmigen Klappe mit Kalottenförmigen Bereichen. Alle dreiThe characteristic diagram is used to compare the quality of control in dependence on the Ventilge ¬ staltung in Figure 6. In this position the flaps is plotted on the vertical axis of the flow rate and on the horizontal axis. After that, the control quality increases the flatter the characteristic is. The characteristic 1 corresponds to a conventional flap. The characteristic curve 3 corresponds to a spherical flap and characteristic curve 2 corresponds to a spherical flap with dome-shaped regions. All three
Klappen tragen dabei die Dichtung. Die Kennlinie 4 entspricht der erfindungsgemäßen Ventilvorrichtung. Insbesondere im Bereich geringer Schwenkwinkel besitzt diese Kennlinie einen noch flacheren Anstieg. Flaps carry the seal. The characteristic curve 4 corresponds to the valve device according to the invention. Especially in the range of low swivel angle, this characteristic has an even flatter increase.

Claims

Ventilvorrichtung für ein Kraftfahrzeug mit einem Gehäuse einem in dem Gehäuse befindlichen Strömungskanal, einer in dem Strömungskanal angeordneten Klappe zum Verschließen des Strömungskanals, wobei die Klappe Bereiche besitzt, in denen eine die Klappe durchdringende Achse befestigt, und die Achse drehbar in dem Gehäuse gelagert ist, d a d u r c h g e k e n n z e i c h n e t , dass die Dichtung (7) im Ge¬ häuse (1) angeordnet ist und dass der Strömungskanal (2) bezogen auf seine axiale Länge beidseitig der Dichtung (7) kalottenförmige Bereiche (9, 10) aufweist. A valve device for a motor vehicle having a housing, a flow channel located in the housing, a flap arranged in the flow channel for closing the flow channel, the flap having areas in which an axis penetrating the flap fastened, and the axis is rotatably mounted in the housing, characterized in that the seal (7) in the Ge ¬ housing (1) is arranged and that the flow channel (2) based on its axial length on both sides of the seal (7) dome-shaped regions (9, 10).
Ventilvorrichtung nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t , dass einer der beiden kalotten- förmigen Bereiche (9, 10) von einem Einsatz (11) gebildet ist . Valve device according to claim 1, characterized in that one of the two dome-shaped regions (9, 10) of an insert (11) is formed.
Ventilvorrichtung nach Anspruch 1 oder 2, d a d u r c h g e k e n n z e i c h n e t , dass der Einsatz (11) im Strömungskanal (2) eingeschraubt oder eingepresst ist. Valve device according to claim 1 or 2, characterized in that the insert (11) in the flow channel (2) is screwed or pressed.
Ventilvorrichtung nach zumindest einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , dass die Dichtung (7) zwischen Gehäuse (1) und kalottenförmigen Einsatz (11) angeordnet ist. Valve device according to at least one of the preceding claims, characterized in that the seal (7) between the housing (1) and dome-shaped insert (11) is arranged.
Ventilvorrichtung nach Anspruch 4, d a d u r c h g e k e n n z e i c h n e t , dass der kalottenförmige Einsatz (11) auf seiner der Schließstellung der Klappe (3) zugewandten Seite eine Aufnahme (12) für die Dichtung (7) hat. Valve device according to claim 4, characterized in that the dome-shaped insert (11) on its the closed position of the flap (3) facing side has a receptacle (12) for the seal (7).
Ventilvorrichtung nach zumindest einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , dass die Klappe (3) scheibenförmig oder kugelförmig ausgebildet ist . Valve device according to at least one of the preceding claims, characterized in that the flap (3) is disc-shaped or spherical.
PCT/EP2014/072016 2013-10-15 2014-10-14 Valve device for a motor vehicle WO2015055650A1 (en)

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DE201310220862 DE102013220862A1 (en) 2013-10-15 2013-10-15 Valve device for a motor vehicle
DE102013220862.6 2013-10-15

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2648519A1 (en) * 1976-10-27 1978-05-03 Josef Nemetz FLAP SHUT-OFF VALVE
US4796857A (en) * 1987-12-03 1989-01-10 White Consolidated Industries, Inc. Metallic seal for high performance butterfly valve
US5160118A (en) * 1991-12-17 1992-11-03 Stary Gary M Pipeline valve apparatus
EP1298299A2 (en) * 2001-09-26 2003-04-02 Robert Bosch Gmbh Throttle device with interchangeable casing parts
US20040149952A1 (en) * 2003-01-30 2004-08-05 Fisher Controls International, Inc. Butterfly valve

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1297623A (en) * 1968-12-04 1972-11-29
IT1060078B (en) * 1975-11-26 1982-07-10 Exxon Research Engineering Co IMPROVEMENT IN THE EXHAUST GAS FLOW CONTROL VALVES OF INTERNAL COMBUSTION ENGINES IN RELATION TO CATALYTIC CONVERTERS
FI70744C (en) * 1980-07-01 1986-10-06 Roger Bey VENTIL
US5711510A (en) * 1991-12-17 1998-01-27 Stary; Gary M. Pipeline valve apparatus
JP2004190851A (en) * 2002-10-15 2004-07-08 Kurimoto Ltd Butterfly valve
US7264224B1 (en) * 2006-12-19 2007-09-04 Victaulic Company Valve with offset venturi
WO2013087628A1 (en) * 2011-12-13 2013-06-20 Continental Automotive Gmbh Valve device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2648519A1 (en) * 1976-10-27 1978-05-03 Josef Nemetz FLAP SHUT-OFF VALVE
US4796857A (en) * 1987-12-03 1989-01-10 White Consolidated Industries, Inc. Metallic seal for high performance butterfly valve
US5160118A (en) * 1991-12-17 1992-11-03 Stary Gary M Pipeline valve apparatus
EP1298299A2 (en) * 2001-09-26 2003-04-02 Robert Bosch Gmbh Throttle device with interchangeable casing parts
US20040149952A1 (en) * 2003-01-30 2004-08-05 Fisher Controls International, Inc. Butterfly valve

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