EP1544449A1 - Abgasrückführventil - Google Patents
Abgasrückführventil Download PDFInfo
- Publication number
- EP1544449A1 EP1544449A1 EP03029491A EP03029491A EP1544449A1 EP 1544449 A1 EP1544449 A1 EP 1544449A1 EP 03029491 A EP03029491 A EP 03029491A EP 03029491 A EP03029491 A EP 03029491A EP 1544449 A1 EP1544449 A1 EP 1544449A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- exhaust gas
- gas recirculation
- valve element
- flow guide
- 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
- 239000012530 fluid Substances 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 42
- 230000008901 benefit Effects 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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
- 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
- F02M26/72—Housings
Definitions
- the invention relates to an exhaust gas recirculation valve.
- valve pivot axis results for a usable in any way valve from the DE 33 36 879 A1.
- valve seat on an annular extension of a mounting flange trained, in particular to a disturbance dead space Implementation to realize.
- the invention is based on the object Exhaust gas recirculation valve to create, with regard to Prevention of flow losses is improved.
- the exhaust gas recirculation valve a valve opening and a valve element.
- the Valve element is between a closing the opening and a position releasing the opening movable.
- the valve element can be a folding, rotating or be pivotable element.
- a plate-shaped element conceivable for opening and Close translationally shifted.
- the invention provided a flow guide.
- the valve element is in the valve opening releasing position at least partially viewed from a fluid axis, arranged behind the flow guide.
- the Flow guide essentially serves to the Exhaust flow in a favorable manner to that in the Overflow valve element located over and possibly without or at most with low To conduct flow losses through the valve opening.
- the flow guide is preferably on the "hot" side of the exhaust gas recirculation valve provided as of this side the exhaust flow meets the valve and here in a particularly favorable manner by the flow guide can be directed or led.
- the "hot” side means in this context, that the inventive Exhaust gas recirculation valve in particular near the Exhaust manifold and / or arranged in front of an exhaust gas cooler can be. Due to the preceding and following measures described is the inventive Exhaust gas recirculation valve for such an arrangement. It was However, it emphasizes that it is not necessarily on this Side, but just as well in others Areas may be arranged and in particular also so may be arranged that the flow guide located downstream of the valve element. This arrangement For example, would have the advantage that the storage of the preferably hinged valve element on the sealed side and thus to a lesser extent Contaminated by the upcoming exhaust gas is subject.
- valve element in the the opening releasing position at least partially behind the Flow guide is arranged, leading to several Benefits.
- the valve element at least partly not seen because it is at least partially through the flow guide is "covered".
- the valve element is cheaper Shielded as regards the temperature load.
- the Flow guide isolates the valve element in a sense thermally from the hot exhaust gas flow, so that through the inventive arrangement an opening of the valve element in Direction of the "hot" side becomes possible. In this opened position is namely a thermal Overloading of the valve element by the cover means prevents the flow guide.
- an exhaust gas recirculation valve has the advantage that the Pending exhaust pressure the valve element in the closed State presses. Therefore, for the closed state No elaborate measures should be provided to one Ensure the valve opening is closed. Much more the upcoming exhaust pressure itself presses the valve into the closed position. An opening of the valve element against This upcoming gas pressure can be compared with simple measures. Again, that is Opening the valve against the upcoming exhaust pressure easier to realize than if the maintenance of the ensure closed condition against the gas pressure would.
- valve element with respect to the flow is so can be arranged that the opening against the flow direction he follows.
- This arrangement is favorable, as not through special mechanisms must be ensured that closed the valve element against the upcoming gas pressure remains. Rather, the upcoming gas itself presses that Valve element in the closed position.
- the tube can have a circular cross-section and to that extent to the cross section of Be adapted exhaust gas recirculation line. Through a Flow guide with this shape can be a particularly good Leadership of the flow can be achieved.
- the flow guide it also has to be favorable proved, if it, over the cross section of the valve opening or the exhaust gas recirculation line, obliquely at least at one end is trained.
- a pipe section at least one end with respect to the fluid axis be cut off obliquely or inclined. This can be done in favorably the described, advantageous Cover function of the flow guide can be used, without the required movements of the valve element hinder.
- valve element it is presently preferred for the valve element to be hinged, is designed to rotate or swivel. With this kind of Movement makes the valve element particularly easy in the "protected" position behind the flow guide bring. It should be stressed, however, that this benefit is also at a translationally moving valve element can be achieved can.
- valve element For the axis of rotation of a hinged valve element it proves to be cheap if this is outside the level of Valve opening is arranged. This leads to the advantage that the valve element is continuous over its circumference and not is interrupted by parts of the rotation axis, so that a particularly reliable seal is generated. Furthermore, can by the described arrangement of the axis of rotation in cheaper Be achieved, that the valve element in the protected position brought behind the flow guide can be.
- valve opening facing side largely cone (blunt) shaped or spherical. hereby can be a particularly favorable interaction with the Valve seat, which limits the valve opening can be achieved.
- the exhaust gas recirculation valve 10 shown in Fig. 1 is in one Section of the exhaust gas recirculation line disposed and is closed this purpose at its respective ends with flanges 12th provided, which is an assembly in the exhaust gas recirculation line enable.
- the valve opening 14 is approximately circular and is defined by a valve seat. With the valve seat a valve element 16 cooperates in accordance with the valve seat is approximately circular.
- the valve element 16 At the Valve opening facing side is the valve element 16 in Spherical designed in the case shown. In the shown In the embodiment, the valve element further consists of three Share.
- a first part 18 forms a base body on which for the actual interaction with the valve seat annular element 20 is attached.
- a third element 22nd provided that the spherical design on this page completed.
- the main body 18 is in the region of the valve opening designed largely circular. Integral to this area connected are two sections, referred to as arms of which in Fig. 1 because of the Only one can be seen, and the one for the Ensure connection to the respective axis of rotation. As with the shown example, the axis of rotation both outside the plane the valve opening as well as with respect to the fluid axis eccentric, in the case shown offset downwards, the axis of rotation can be formed divided.
- the front Part of the rotation axis is in Fig. 1 because of the sectional view not recognizable, and the "back" part is according to the Representation of Fig. 1 by the following in more detail explained flow guide 24 covered. From the However, other figures is the arrangement of the axis of rotation in more detail.
- the flow guide 24 is a Section of a pipe, which in the valve assembly shown from one side, according to the illustration of Fig. 1 of the right side, inserted and by a flange 26th is supported. In the example shown this is the case Flow guide forming tube only in the area of the right End on the inside of the exhaust gas recirculation line. Also, by the formation of ribs 28, the concern only in places. This design, especially the Formation of ribs, is especially provided when the exhaust gas recirculation valve is on the "hot" side. By the touch, the only in the ribs 28 is present, the heat transfer to the flow guide deteriorated. In another arrangement of Exhaust gas recirculation valve, for example on the "cold" side, Of course, the attachment can be different, In particular, the ribs 28 could be omitted.
- FIG. 2 the exhaust gas recirculation valve shown in Fig. 1 is shown during opening of the valve element 20 shown.
- the Valve seat 14 can be seen in Fig. 2, that he in the Main body of the exhaust gas recirculation valve 10 as a separate Element is inserted and on the side that with the Valve element 20 cooperates, conical or spherical is bevelled.
- the valve element 20 can be seen that it is due to the arrangement of the rotation axis outside the Level of the valve element 20 to an edge of the shown Section of the exhaust gas recirculation line can be moved. This describes in the direction of the rotational movement directed edge 34 of the valve element 20 is a circular Railway, which takes the form of the reception room 30 reflects.
- the flow guide 24 is too recognize that it is the described movement of the Valve element 20 allows and does not obstruct by putting it in the area in which the valve element 20 is moved through the oblique cut off at its one end is shorter than on the opposite side.
- valve element 20 In Fig. 3, the fully open and the valve opening releasing position of the valve element 20 is shown.
- the Valve element 20 is housed in the receiving space 30 and is largely covered by the flow guide 24.
- valve element 20 of that Position in the flow at which the valve element 20 is in the open position it is considered mostly hidden behind the flow guide 24.
- this can be on the hot side of the exhaust gas recirculation line to be opened and is in thermal terms by the flow guide 24th shielded.
- the level of the Valve element 20 largely parallel to the outer wall of the Flow guide 24, so that the available space is used particularly well.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Lift Valve (AREA)
Abstract
Description
- Fig. 1
- eine perspektivische Schnittansicht des erfindungsgemäßen Abgasrückführventils in einer geschlossenen Stellung;
- Fig. 2
- eine perspektivische Schnittansicht des erfindungsgemäßen Abgasrückführventils während des Öffnens des Ventilelements; und
- Fig. 3
- eine perspektivische Schnittansicht des erfindungsgemäßen Abgasrückführventils in der geöffneten Stellung des Ventilelements.
Claims (9)
- Abgasrückführventil (10), mit einer Ventilöffnung (14), einem Ventilelement (20), das zwischen einer die Ventilöffnung (14) verschließenden und einer die Ventilöffnung (14) freigebenden Stellung bewegbar ist, und einem Strömungsleitelement (24), wobei das Ventilelement (20) in der die Ventilöffnung (14) freigebenden Stellung zumindest teilweise, von der Strömungsmittelachse aus betrachtet, hinter dem Strömungsleitelement (24) angeordnet ist.
- Abgasrückführventil nach Anspruch 1,
dadurch gekennzeichnet, dass
das Ventilelement (20) bezüglich der Strömung derart anordenbar ist, dass die Öffnung des Ventilelements gegen die Strömungsrichtung erfolgt. - Abgasrückführventil nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass
das Strömungsleitelement (24) ein Rohrabschnitt ist. - Abgasrückführventil nach zumindest einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, dass
das Strömungsleitelement (24) bezüglich der Strömungsmittelachse an zumindest einem Ende schräg abgeschnitten ist. - Abgasrückführventil nach zumindest einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,, dass
das Ventilelement (20) klappbar ist. - Abgasrückführventil nach Anspruch 5,
dadurch gekennzeichnet, dass
eine Drehachse des Ventilelements (20) außerhalb der Ebene der Ventilöffnung (14) angeordnet ist. - Abgasrückführventil nach Anspruch 5 oder 6,
dadurch gekennzeichnet, dass
eine Drehachse des Ventilelements (20) bezüglich der Strömungsmittelachse exzentrisch angeordnet ist. - Abgasrückführventil nach zumindest einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, dass
das Ventilelement (20) an der zu der Ventilöffnung (14) gerichteten Seite kegel(stumpf)förmig oder sphärisch gestaltet ist. - Abgasrückführventil nach zumindest einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, dass
das Abgasrückführventil (10) einen an die Bewegung des Ventilelements (20) von der geschlossenen in die freigebende Stellung sowie an die Position des Ventilelements (20) in der freigebenden Stellung angepassten Aufnahmeraum (30) aufweist.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT03029491T PT1544449E (pt) | 2003-12-19 | 2003-12-19 | Válvula de recirculação de gases de escape |
AT03029491T ATE354726T1 (de) | 2003-12-19 | 2003-12-19 | Abgasrückführventil |
ES03029491T ES2280684T3 (es) | 2003-12-19 | 2003-12-19 | Valvula de reciclaje de gases de escape. |
EP03029491A EP1544449B1 (de) | 2003-12-19 | 2003-12-19 | Abgasrückführventil |
DE50306597T DE50306597D1 (de) | 2003-12-19 | 2003-12-19 | Abgasrückführventil |
KR1020040106806A KR101207865B1 (ko) | 2003-12-19 | 2004-12-16 | 배기 가스 재순환 밸브 |
US11/015,342 US7182315B2 (en) | 2003-12-19 | 2004-12-17 | Exhaust-gas recirculation valve |
CNB2004100104628A CN100430593C (zh) | 2003-12-19 | 2004-12-19 | 废气再循环阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03029491A EP1544449B1 (de) | 2003-12-19 | 2003-12-19 | Abgasrückführventil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1544449A1 true EP1544449A1 (de) | 2005-06-22 |
EP1544449B1 EP1544449B1 (de) | 2007-02-21 |
Family
ID=34486279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03029491A Expired - Lifetime EP1544449B1 (de) | 2003-12-19 | 2003-12-19 | Abgasrückführventil |
Country Status (8)
Country | Link |
---|---|
US (1) | US7182315B2 (de) |
EP (1) | EP1544449B1 (de) |
KR (1) | KR101207865B1 (de) |
CN (1) | CN100430593C (de) |
AT (1) | ATE354726T1 (de) |
DE (1) | DE50306597D1 (de) |
ES (1) | ES2280684T3 (de) |
PT (1) | PT1544449E (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1707790A1 (de) * | 2005-03-31 | 2006-10-04 | Cooper-Standard Automotive (Deutschland) GmbH | Abgasrückführsystem |
WO2009106161A1 (de) * | 2008-02-27 | 2009-09-03 | Continental Automotive Gmbh | Turbolader mit einer betätigungseinrichtung zum öffnen und schliessen eines wastegate-kanals |
EP1657424A3 (de) * | 2004-11-10 | 2010-09-08 | Pierburg GmbH | Abgasrückführvorrichtung für eine Verbrennungskraftmaschine |
US8353274B2 (en) | 2007-07-30 | 2013-01-15 | Cooper-Standard Automotive (Deutschland) Gmbh | Exhaust gas recirculation system |
EP3425244A4 (de) * | 2016-03-03 | 2019-01-09 | Denso Corporation | Ventilvorrichtung |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1609976A1 (de) * | 2004-06-25 | 2005-12-28 | Cooper-Standard Automotive (Deutschland) GmbH | Ventil im Bereich eines Verbrennungsmotors |
US9200532B2 (en) * | 2012-09-13 | 2015-12-01 | Honeywell International Inc. | Turbine wastegate |
JP6468094B2 (ja) * | 2015-06-24 | 2019-02-13 | 株式会社デンソー | 低圧egr装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2703687A1 (de) * | 1977-01-29 | 1978-08-03 | Bosch Gmbh Robert | Vorrichtung fuer die steuerung zusaetzlicher gaszufuehrmengen in das saugrohr einer brennkraftmaschine |
DE3336879A1 (de) | 1983-10-11 | 1985-04-25 | Harald 6707 Schifferstadt Hoffmann | Ventilsitzeinrichtung, insbesondere fuer drehkegelstellventile |
DE19549107A1 (de) * | 1995-12-29 | 1997-07-03 | Bosch Gmbh Robert | Vorrichtung zur Abgasrückführung mit einem im Ansaugkanal betätigbaren Schließelement |
DE10104228A1 (de) * | 2000-04-17 | 2001-10-25 | Bosch Gmbh Robert | Vorrichtung zur Mischung und Dosierung von Gasströmen an Verbrennungskraftmaschinen |
DE10106608A1 (de) | 2001-02-13 | 2002-08-22 | Pierburg Ag | Abgasrückführsteuerventil für eine Brennktaftmaschine |
EP1245820A1 (de) | 2001-03-29 | 2002-10-02 | Siebe Automotive (Deutschland) GmbH | Abgasrückführventil |
EP1342907A2 (de) | 2002-03-02 | 2003-09-10 | Pierburg GmbH | Ventileinrichtung |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2883147A (en) * | 1953-08-26 | 1959-04-21 | Fairchild Engine & Airplane | Valve mechanism |
US3575376A (en) * | 1968-10-30 | 1971-04-20 | Thiokol Chemical Corp | Dual position valve |
WO2001079680A1 (de) | 2000-04-17 | 2001-10-25 | Robert Bosch Gmbh | Vorrichtung zur mischung und dosierung von gasströmen an verbrennungskraftmaschinen |
EP1462643A1 (de) | 2003-03-25 | 2004-09-29 | Cooper-Standard Automotive (Deutschland) GmbH | Ventil-Öffnungsmechanismus |
-
2003
- 2003-12-19 DE DE50306597T patent/DE50306597D1/de not_active Expired - Lifetime
- 2003-12-19 EP EP03029491A patent/EP1544449B1/de not_active Expired - Lifetime
- 2003-12-19 AT AT03029491T patent/ATE354726T1/de active
- 2003-12-19 PT PT03029491T patent/PT1544449E/pt unknown
- 2003-12-19 ES ES03029491T patent/ES2280684T3/es not_active Expired - Lifetime
-
2004
- 2004-12-16 KR KR1020040106806A patent/KR101207865B1/ko active IP Right Grant
- 2004-12-17 US US11/015,342 patent/US7182315B2/en active Active
- 2004-12-19 CN CNB2004100104628A patent/CN100430593C/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2703687A1 (de) * | 1977-01-29 | 1978-08-03 | Bosch Gmbh Robert | Vorrichtung fuer die steuerung zusaetzlicher gaszufuehrmengen in das saugrohr einer brennkraftmaschine |
DE3336879A1 (de) | 1983-10-11 | 1985-04-25 | Harald 6707 Schifferstadt Hoffmann | Ventilsitzeinrichtung, insbesondere fuer drehkegelstellventile |
DE19549107A1 (de) * | 1995-12-29 | 1997-07-03 | Bosch Gmbh Robert | Vorrichtung zur Abgasrückführung mit einem im Ansaugkanal betätigbaren Schließelement |
DE10104228A1 (de) * | 2000-04-17 | 2001-10-25 | Bosch Gmbh Robert | Vorrichtung zur Mischung und Dosierung von Gasströmen an Verbrennungskraftmaschinen |
DE10106608A1 (de) | 2001-02-13 | 2002-08-22 | Pierburg Ag | Abgasrückführsteuerventil für eine Brennktaftmaschine |
EP1245820A1 (de) | 2001-03-29 | 2002-10-02 | Siebe Automotive (Deutschland) GmbH | Abgasrückführventil |
EP1342907A2 (de) | 2002-03-02 | 2003-09-10 | Pierburg GmbH | Ventileinrichtung |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1657424A3 (de) * | 2004-11-10 | 2010-09-08 | Pierburg GmbH | Abgasrückführvorrichtung für eine Verbrennungskraftmaschine |
EP1707790A1 (de) * | 2005-03-31 | 2006-10-04 | Cooper-Standard Automotive (Deutschland) GmbH | Abgasrückführsystem |
US8353274B2 (en) | 2007-07-30 | 2013-01-15 | Cooper-Standard Automotive (Deutschland) Gmbh | Exhaust gas recirculation system |
WO2009106161A1 (de) * | 2008-02-27 | 2009-09-03 | Continental Automotive Gmbh | Turbolader mit einer betätigungseinrichtung zum öffnen und schliessen eines wastegate-kanals |
EP3425244A4 (de) * | 2016-03-03 | 2019-01-09 | Denso Corporation | Ventilvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
US7182315B2 (en) | 2007-02-27 |
CN1637263A (zh) | 2005-07-13 |
KR101207865B1 (ko) | 2012-12-05 |
CN100430593C (zh) | 2008-11-05 |
KR20050072050A (ko) | 2005-07-08 |
ES2280684T3 (es) | 2007-09-16 |
PT1544449E (pt) | 2007-04-30 |
EP1544449B1 (de) | 2007-02-21 |
ATE354726T1 (de) | 2007-03-15 |
DE50306597D1 (de) | 2007-04-05 |
US20050167629A1 (en) | 2005-08-04 |
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