EP1321649A1 - Verfahren zur Reduzierung von Ablagerungen an Klappen in Gasansaugsystemen - Google Patents
Verfahren zur Reduzierung von Ablagerungen an Klappen in Gasansaugsystemen Download PDFInfo
- Publication number
- EP1321649A1 EP1321649A1 EP01130762A EP01130762A EP1321649A1 EP 1321649 A1 EP1321649 A1 EP 1321649A1 EP 01130762 A EP01130762 A EP 01130762A EP 01130762 A EP01130762 A EP 01130762A EP 1321649 A1 EP1321649 A1 EP 1321649A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flaps
- internal combustion
- flap
- throttle valve
- rotation
- 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
- F02D11/10—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 electric 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
- F02D9/08—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
- F02D9/109—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps having two or more flaps
- F02D9/1095—Rotating on a common axis, e.g. having a common shaft
-
- 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
- F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
- F02D2009/0201—Arrangements; Control features; Details thereof
- F02D2009/0247—Opening the throttle a little on engine shutdown
-
- 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
- F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
- F02D2009/0201—Arrangements; Control features; Details thereof
- F02D2009/025—Opening the throttle a little during starting
-
- 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
- F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
- F02D2009/0201—Arrangements; Control features; Details thereof
- F02D2009/0277—Fail-safe mechanisms, e.g. with limp-home feature, to close throttle if actuator fails, or if control cable sticks or breaks
-
- 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
- F02D11/10—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 electric type
- F02D2011/108—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 electric type with means for detecting or resolving a stuck throttle, e.g. when being frozen in a position
Definitions
- the invention relates to a method for reducing deposits on flaps in combustion air intake systems of reciprocating piston internal combustion engines.
- the method can also be used for other ventilation systems be provided with appropriate flaps.
- the throttle valve is the best known of these. It is used to control the air supply a reciprocating internal combustion engine.
- Flaps are also known which produce a swirl or vortex. They are usually in the combustion air intake ducts near the intake gas exchange valves arranged. These swirl or swirl flaps are now the suctioned Air is an additional component of motion across the direction of suction give to a better mixture of the combustion air with the fuel in the To reach the combustion chamber.
- a throttle valve control device is described in DE 199 25 202, at the throttle valve in idle mode or when an internal combustion engine is at a standstill against the known direction of movement from the fully closed Position (0 °) opens slightly. While a throttle valve is in the 0 ° position is started by icing or gluing a combustion engine can make impossible, due to the easy opening of the throttle valve In contrast, according to the invention, starting is made possible.
- the object of the invention was a simple method to develop that is capable of operating reciprocating internal combustion engines deposits in the associated air intake systems reduce that in particular before and after in these air intake systems deposit flaps and thus the function of the reciprocating piston internal combustion engines affect.
- the flap or flaps rotate counter to the operating direction, are deposits that are formed before and / or after the flap or flaps have from the wall or walls of the combustion air intake system scraped off a reciprocating internal combustion engine.
- the or the throttle valve or others Control flaps, which are usually in the range of 0 ° (fully closed) and Move 90 ° (fully open), build up in the combustion air intake system of the closed flap or deposits on small opening angles the flaps the air flow through the reduced cross-section hinder. Now the flap (s) will go against the operating direction for a short time open these deposits are scraped off and either remain the flap or flaps or become small particles with the combustion air flow carried away and burned in the reciprocating piston internal combustion engine.
- a further advantageous embodiment is obtained if the one described above Opening the flap or flaps during and / or shortly after parking or switching off a reciprocating piston internal combustion engine is carried out. Here too can perform the cleaning function without affecting the operation of a reciprocating piston internal combustion engine be performed.
- Fig. 1 is a schematic representation of a section through a reciprocating piston internal combustion engine 1 to see.
- the ambient air required for combustion arrives via an air filter, not shown here, and the intake duct 9 in the intake manifold 4.
- this intake duct 9 is located on a throttle valve shaft 11, the throttle valve 10, the throttle valve shaft 11 is actuated by a throttle valve servomotor 12.
- From the intake manifold 4 the combustion air via a total of 8 channels 5 into those located in engine block 3 Cylinder 2 of the reciprocating internal combustion engine 1 is sucked.
- 2 channels 5 for combustion air supply per cylinder 2 are provided.
- For all four vertebrae control flaps 6 there is a common control Wave 7 provided. This shaft 7 is in turn driven by an actuator 8 operated.
- FIG. 2 shows a section through an intake duct 9 with a throttle valve located therein 10, wherein the throttle valve 10 on a rotatably mounted and by means of of the throttle valve motor 12 (not shown here) movable throttle valve shaft 11 is attached.
- the throttle valve 10 is now in the Movement range shown here between fully closed (0 °) and fully open (90 °) opened in direction of rotation A and closed in the opposite direction of rotation and so the air flow rate of a reciprocating piston internal combustion engine 1 is controlled.
- the throttle valve 10 is contrary to the usual direction of rotation A opened a few degrees and brought into position X to avoid any deposits to remove in the intake manifold 9 before the throttle valve 10.
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)
Abstract
Description
- Fig. 1
- die schematische Darstellung eines Schnittes durch eine Hubkolbenbrennkraftmaschine mit Verbrennungsluftansaugsystem
- Fig. 2
- die schematische Darstellung eines Schnittes durch einen Verbrennungsluftansaugkanal und einer darin befindlichen Drosselklappe, wobei für die Drosselklappe die Verstellbereiche eingezeichnet sind
Claims (4)
- Verfahren zur Steuerung von einer oder mehreren Klappen (6, 10) in Luftansaugsystemen (9) von Hubkolbenbrennkraftmaschinen (1), wobei die Klappe(n) (6, 10) beim Betrieb einer Hubkolbenbrennkraftmaschine (1) in der Regel in einem Bereich von 0° (voll geschlossen) bis 90° (voll geöffnet) betrieben und in einer Drehrichtung (A) geöffnet und entgegen dieser Drehrichtung geschlossen werden
dadurch gekennzeichnet, daß
die Klappe(n) (6, 10) von 0° ausgehend für kurze Zeit entgegen der Drehrichtung (A) geöffnet werden. - Verfahren nach Anspruch 1
dadurch gekennzeichnet, daß
die Öffnung der Klappe(n) (6, 10) entgegen der Drehrichtung (A) periodisch erfolgt. - Verfahren nach Anspruch 2
dadurch gekennzeichnet, daß
die Öffnung der Klappe(n) (6, 10) kurz vor dem Starten einer Hubkolbenbrennkraftmaschine erfolgt. - Verfahren nach Anspruch 2
dadurch gekennzeichnet, daß
das Öffnen der Klappe(n) (6, 10) während und/oder kurz nach dem Abstellen oder Abschalten einer Hubkolbenbrennkraftmaschine erfolgt.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20010130762 EP1321649B1 (de) | 2001-12-22 | 2001-12-22 | Verfahren zur Reduzierung von Ablagerungen an Klappen in Gasansaugsystemen |
DE50108899T DE50108899D1 (de) | 2001-12-22 | 2001-12-22 | Verfahren zur Reduzierung von Ablagerungen an Klappen in Gasansaugsystemen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20010130762 EP1321649B1 (de) | 2001-12-22 | 2001-12-22 | Verfahren zur Reduzierung von Ablagerungen an Klappen in Gasansaugsystemen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1321649A1 true EP1321649A1 (de) | 2003-06-25 |
EP1321649B1 EP1321649B1 (de) | 2006-02-08 |
Family
ID=8179683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20010130762 Expired - Lifetime EP1321649B1 (de) | 2001-12-22 | 2001-12-22 | Verfahren zur Reduzierung von Ablagerungen an Klappen in Gasansaugsystemen |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1321649B1 (de) |
DE (1) | DE50108899D1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008099282A3 (en) * | 2007-02-14 | 2008-11-06 | Toyota Motor Co Ltd | Intake system for internal combustion engine and control method of the same |
CN104763545A (zh) * | 2014-01-06 | 2015-07-08 | 福特环球技术公司 | Egr控制的方法和系统 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19638503A1 (de) | 1995-09-20 | 1997-03-27 | Hitachi Ltd | Ansaugklappen-Steuervorrichtung für Verbrennungsmotoren |
DE19925202A1 (de) | 1998-06-11 | 1999-12-16 | Aisan Ind | Drosselklappensteuervorrichtung |
JP2000087789A (ja) * | 1998-09-08 | 2000-03-28 | Daihatsu Motor Co Ltd | 内燃機関のスロットル開度制御方法 |
JP2001073843A (ja) * | 1999-09-08 | 2001-03-21 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2001082186A (ja) * | 1999-09-08 | 2001-03-27 | Toyota Motor Corp | 内燃機関のスロットル制御装置 |
-
2001
- 2001-12-22 DE DE50108899T patent/DE50108899D1/de not_active Expired - Lifetime
- 2001-12-22 EP EP20010130762 patent/EP1321649B1/de not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19638503A1 (de) | 1995-09-20 | 1997-03-27 | Hitachi Ltd | Ansaugklappen-Steuervorrichtung für Verbrennungsmotoren |
DE19925202A1 (de) | 1998-06-11 | 1999-12-16 | Aisan Ind | Drosselklappensteuervorrichtung |
JP2000087789A (ja) * | 1998-09-08 | 2000-03-28 | Daihatsu Motor Co Ltd | 内燃機関のスロットル開度制御方法 |
JP2001073843A (ja) * | 1999-09-08 | 2001-03-21 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2001082186A (ja) * | 1999-09-08 | 2001-03-27 | Toyota Motor Corp | 内燃機関のスロットル制御装置 |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 06 22 September 2000 (2000-09-22) * |
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 20 10 July 2001 (2001-07-10) * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008099282A3 (en) * | 2007-02-14 | 2008-11-06 | Toyota Motor Co Ltd | Intake system for internal combustion engine and control method of the same |
US8402941B2 (en) | 2007-02-14 | 2013-03-26 | Toyota Jidosha Kabushiki Kaisha | Intake system for internal combustion engine and control method of the same |
CN104763545A (zh) * | 2014-01-06 | 2015-07-08 | 福特环球技术公司 | Egr控制的方法和系统 |
CN104763545B (zh) * | 2014-01-06 | 2019-10-18 | 福特环球技术公司 | Egr控制的方法和系统 |
Also Published As
Publication number | Publication date |
---|---|
DE50108899D1 (de) | 2006-04-20 |
EP1321649B1 (de) | 2006-02-08 |
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