EP2372136A3 - Flap device for an exhaust gas system of an internal combustion engine - Google Patents
Flap device for an exhaust gas system of an internal combustion engine Download PDFInfo
- Publication number
- EP2372136A3 EP2372136A3 EP11156436A EP11156436A EP2372136A3 EP 2372136 A3 EP2372136 A3 EP 2372136A3 EP 11156436 A EP11156436 A EP 11156436A EP 11156436 A EP11156436 A EP 11156436A EP 2372136 A3 EP2372136 A3 EP 2372136A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- internal combustion
- exhaust gas
- combustion engine
- channel
- production
- 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
- 238000002485 combustion reaction Methods 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
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
- F02D9/1075—Materials, e.g. composites
- F02D9/108—Plastics
-
- 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
- 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
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)
- Exhaust-Gas Circulating Devices (AREA)
- Lift Valve (AREA)
Abstract
Klappenvorrichtungen für Abgassysteme von Verbrennungskraftmaschinen mit einem einen Kanal (4) bildenden Gehäuse (2), einem Klappenkörper (14), der an einer Welle (12) befestigt ist mit dieser über einen Aktuator (26) betätigbar ist und einen Durchströmungsquerschnitt des Kanals beherrscht, sind bekannt. Die Lagerung erfolgt normalerweise über Nadellager. Diese sind jedoch bezüglich auftretender Toleranzen bei der Wellenherstellung und der Herstellung der als Lagerstellen (8, 10) dienenden Gehäusebohrung (6) sowie gegen Schmutzablagerung, Korrosion und Eisbildung empfindlich.Flap devices for exhaust systems of internal combustion engines with a channel (4) forming housing (2), a flap body (14) attached to a shaft (12) with this via an actuator (26) is actuated and dominates a flow cross-section of the channel, are known. The storage usually takes place via needle roller bearings. However, these are sensitive to occurring tolerances in the production of shafts and the production of the bearing (8, 10) housing bore (6) and against dirt, corrosion and ice formation.
Es wird daher vorgeschlagen, dass zumindest eines der Lager der Lagereinheit (28) eine Kunststoffbuchse (36) ist. Dies bewirkt einen guten Toleranzausgleich, so dass deutliche Kostenvorteile bei der Herstellung entstehen. It is therefore proposed that at least one of the bearings of the bearing unit (28) is a plastic bushing (36). This causes a good tolerance compensation, so that significant cost advantages arise during manufacture.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010013477.5A DE102010013477B4 (en) | 2010-03-30 | 2010-03-30 | Exhaust flap device for an exhaust system of an internal combustion engine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2372136A2 EP2372136A2 (en) | 2011-10-05 |
EP2372136A3 true EP2372136A3 (en) | 2012-09-19 |
EP2372136B1 EP2372136B1 (en) | 2014-05-07 |
Family
ID=44243601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11156436.5A Active EP2372136B1 (en) | 2010-03-30 | 2011-03-01 | Flap device for an exhaust gas system of an internal combustion engine |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2372136B1 (en) |
DE (1) | DE102010013477B4 (en) |
ES (1) | ES2480281T3 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014104579B4 (en) | 2014-04-01 | 2017-05-11 | Pierburg Gmbh | Valve device for an internal combustion engine |
DE102014104578B4 (en) | 2014-04-01 | 2020-02-06 | Pierburg Gmbh | Flap device for an internal combustion engine |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8102480U1 (en) * | 1981-01-31 | 1982-02-25 | Schmitz & Schulte, 5093 Burscheid | FLAP VALVE |
EP1426589A2 (en) * | 2002-11-20 | 2004-06-09 | Denso Corporation | Exhaust gas recirculation control device |
EP1452757A2 (en) * | 2003-02-28 | 2004-09-01 | Denso Corporation | Rolling bearing of throttle valve device |
DE102004045235A1 (en) * | 2003-09-19 | 2005-05-19 | Denso Corp., Kariya | Throttle device with axial displacement restriction structure |
EP1571299A2 (en) * | 2004-03-01 | 2005-09-07 | Denso Corporation | Bearing support device |
EP1975387A1 (en) * | 2007-03-22 | 2008-10-01 | DEUTZ Power Systems GmbH | Valve system for an internal combustion engine with exhaust gas turbo charger |
EP2107231A1 (en) * | 2008-04-01 | 2009-10-07 | Pierburg GmbH | Valve, in particular for controlling exhaust gases in combustion engines |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7101955U (en) * | 1971-04-15 | Siemens Ag | Bearings for small machines or precision mechanical devices | |
DE19707828A1 (en) * | 1997-02-27 | 1998-09-03 | Pierburg Ag | Throttle flap connector for air suction control in internal combustion engine |
WO2008144686A1 (en) | 2007-05-21 | 2008-11-27 | Borgwarner Inc. | Valve module for a combustion engine breathing system |
DE102007055422B4 (en) | 2007-11-20 | 2015-04-02 | BorgWarner Esslingen GmbH | Valve for controlling the flow of a gaseous or liquid medium |
-
2010
- 2010-03-30 DE DE102010013477.5A patent/DE102010013477B4/en not_active Expired - Fee Related
-
2011
- 2011-03-01 ES ES11156436.5T patent/ES2480281T3/en active Active
- 2011-03-01 EP EP11156436.5A patent/EP2372136B1/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8102480U1 (en) * | 1981-01-31 | 1982-02-25 | Schmitz & Schulte, 5093 Burscheid | FLAP VALVE |
EP1426589A2 (en) * | 2002-11-20 | 2004-06-09 | Denso Corporation | Exhaust gas recirculation control device |
EP1452757A2 (en) * | 2003-02-28 | 2004-09-01 | Denso Corporation | Rolling bearing of throttle valve device |
DE102004045235A1 (en) * | 2003-09-19 | 2005-05-19 | Denso Corp., Kariya | Throttle device with axial displacement restriction structure |
EP1571299A2 (en) * | 2004-03-01 | 2005-09-07 | Denso Corporation | Bearing support device |
EP1975387A1 (en) * | 2007-03-22 | 2008-10-01 | DEUTZ Power Systems GmbH | Valve system for an internal combustion engine with exhaust gas turbo charger |
EP2107231A1 (en) * | 2008-04-01 | 2009-10-07 | Pierburg GmbH | Valve, in particular for controlling exhaust gases in combustion engines |
Also Published As
Publication number | Publication date |
---|---|
ES2480281T3 (en) | 2014-07-25 |
DE102010013477B4 (en) | 2018-10-11 |
EP2372136B1 (en) | 2014-05-07 |
DE102010013477A1 (en) | 2011-10-06 |
EP2372136A2 (en) | 2011-10-05 |
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