EP1523615A1 - Vorrichtung zur verbesserung der abgasemission - Google Patents
Vorrichtung zur verbesserung der abgasemissionInfo
- Publication number
- EP1523615A1 EP1523615A1 EP03765003A EP03765003A EP1523615A1 EP 1523615 A1 EP1523615 A1 EP 1523615A1 EP 03765003 A EP03765003 A EP 03765003A EP 03765003 A EP03765003 A EP 03765003A EP 1523615 A1 EP1523615 A1 EP 1523615A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compressor
- internal combustion
- combustion engine
- air
- supply line
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/30—Arrangements for supply of additional air
- F01N3/32—Arrangements for supply of additional air using air pump
-
- 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
- F02D2009/0283—Throttle in the form of an expander
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Definitions
- the invention relates to a device for using the throttle energy of an internal combustion engine with a generator which is connected to a compressor in drive connection and a turbine which is connected to the compressor in drive connection and which supplies fresh air to a suction pipe of the internal combustion engine via a first supply line, exhaust gas also being produced via the compressor can be supplied to the intake manifold of the internal combustion engine or fresh air is led from the air filter into the exhaust gas of the line during the starting process.
- a drive unit for a vehicle with an internal combustion engine for delivering drive energy with an exhaust gas turbocharger is already known (DE 198 40 629 AI), which has a turbine with a compressor.
- the turbine is driven by exhaust gases from the internal combustion engine and the compressor by the turbine.
- the unit has an air duct system which supplies the compressor with fresh air, in which it is compressed into the charge air, the charge air being conducted from the compressor to the internal combustion engine.
- an additional compressor is provided which generates compressed fresh air which, depending on requirements, can be supplied to the air line system upstream of the internal combustion engine, a compressor which is already used for other purposes in the vehicle being used as the additional compressor.
- BESTATIGUNGSKOPIE It is also known that during the cold process and the idling, starting or overrun phases of an internal combustion engine in the intake tract, the air for engine combustion is throttled as required.
- a throttle valve is used in a known manner. The energy dissipated by the throttle valve is converted into heat and thus converted into a pure power loss (negative charge exchange loop).
- the object of the invention is to use the choke energy for further processes and to convert it into other forms of energy.
- the object is achieved in that the first supply line is connected to the turbine in such a way that during the starting process or before the first injection cycle of the internal combustion engine, at least the quantity control of the intake air takes place via the turbine, which is connected to the compressor and a generator in a drive connection via a shaft stands, from which energy can be taken as braking energy in the starting phase.
- the throttle energy can be used in a sensible manner, the generator acting as a brake due to the drive position between the turbine and generator. Energy is thus obtained by coupling the turbine to the generator. This means that it can also be used for other units, e.g. B. the electric servo pump, or other electrical consumers for charging the battery possible. Due to the corresponding load position of the generator, the air mass can be limited like a throttle valve. The throttle valve control signal is then used to control the generator control. This does not result in any major effort for the motor control. Furthermore, through this Arrangement created the possibility of generating secondary air through an additional compressor. The compressor is driven by the turbine and thus advantageously conveys secondary air to the outlet duct through appropriate valve control.
- the compressor is driven by the air mass flow from the supply line and thus by the turbine.
- a directional control valve is provided in front of an opening of a supply line to the compressor, via which fresh air from the air filter or residual exhaust gas is fed to the compressor.
- fresh air from the air filter is fed directly to the compressor via a supply line and then to the exhaust pipe of the internal combustion engine via a further supply line and a second directional valve, or afterwards exhaust gas or residual gas is fed to the intake manifold via the second directional valve becomes.
- the further directional control valve is provided, via which the secondary air is directed to the exhaust pipe of the internal combustion engine and released to the ambient air, and that the generator is equipped with a control unit and / or a power control unit Internal combustion engine is operatively connected.
- the compressor and the generator are driven by the turbine and the drive is regulated by the power control unit.
- the suction pressure required to operate the charger and thus the required intake air mass flow during the starting, idling and overrun phases are ensured by the internal combustion engine.
- the throttle energy is used to drive a turbine in the intake tract by coupling the compressor to the generator.
- the generation of electrical energy is possible by driving the generator.
- the required air mass flow is generated by the compressor.
- a secondary air pump is therefore not required for the secondary air injection.
- the advantageous valve control and thus the air flow from the air filter via the charger and the bypass line result in a lower suction resistance.
- the air mass flow can also be used for exhaust manifold cooling with a corresponding valve switching position.
- a corresponding valve switching position By guiding the air mass flow over the compressor with a corresponding valve position, it is advantageously possible to use a corresponding catalyst and thus to increase the exhaust gas after-reaction.
- this arrangement and corresponding valve position it is possible to use the compressor accordingly in order to suck in the exhaust gas and to convey it into the intake manifold.
- the drive unit 22 denotes a drive unit for an internal combustion engine, not shown in the drawing, for example a gasoline engine.
- the drive unit 22 includes a generator 3, which is connected to a compressor 1 via a drive shaft 2.
- the compressor 1 is in drive connection with a supercharger or a turbine 5 via the drive shaft 2.
- exhaust gas 25 is supplied via a directional valve 13, a supply line 12, the compressor 1 and via a second line 9 when a position is appropriate
- Directional control valve 23 fed to a suction pipe 11.
- One directional valve is provided between the inlet opening to the compressor 1 and the air filter.
- the second directional valve 23 is arranged between the compressor 1 and the suction pipe 11.
- air 26 can flow out of the air filter (not shown in the drawing) via line 12, the compressor 1, via the second line 9 and the directional control valve 23 via a line 24 to the exhaust manifold.
- air 26 also reaches a supercharger air mass meter 8 (HFM) via a further supply line 7 directly to the charger or the turbine 5 and via a line 6 to the intake manifold 11 of the internal combustion engine.
- HFM supercharger air mass meter 8
- the throttle valve previously used is omitted, the internal combustion engine or the gasoline engine being quantity-controlled or regulated, ie a sufficient amount of air is made available via the supply line 6 so that the engine can maintain its operating state.
- the previously common throttle valve, which controls the air volume, is no longer required. This function is replaced by the turbine or the charger 5, which can then be braked by the generator.
- the turbine 5 delivers the throttle energy to the generator 3.
- This method can be used to start the internal combustion engine, the turbine 5 being used as a secondary air charger.
- the output of the hydrocarbons (HO) is not increased in this process.
- This method also improves the air consumption and exhaust gas temperature cooling and thus the overall efficiency. With this method, no additional drive energy is required, the weight of the entire device can be reduced and the air mass control can be optimized.
- the previously used throttle valve can, as already mentioned, between the hot film air mass meter 8 and the suction pipe 11 are saved and the energy thus released can be used in an optimal manner or made available to the generator 3.
- the generator 3 is connected to a control unit or a power control unit 4 of the internal combustion engine.
- Turbocharger compressor drive shaft of the generator generator power control turbine, turbocharger line to the compressor, fresh air first supply line HFM hot film air mass meter second supply line exhaust pipe intake pipe supply line directional control valve drive unit control valve, directional control valve line to the exhaust gas line exhaust gas air
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10232516 | 2002-07-18 | ||
| DE10232516A DE10232516A1 (de) | 2002-07-18 | 2002-07-18 | Vorrichtung zur Verbesserung der Abgasemission |
| PCT/EP2003/007716 WO2004009982A1 (de) | 2002-07-18 | 2003-07-16 | Vorrichtung zur verbesserung der abgasemission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1523615A1 true EP1523615A1 (de) | 2005-04-20 |
Family
ID=29796429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03765003A Withdrawn EP1523615A1 (de) | 2002-07-18 | 2003-07-16 | Vorrichtung zur verbesserung der abgasemission |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1523615A1 (de) |
| DE (1) | DE10232516A1 (de) |
| WO (1) | WO2004009982A1 (de) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE837197C (de) * | 1943-02-27 | 1952-04-21 | Friedrich Wilhelm Deckel Dipl | Waagrecht-Bohr- und/oder Fraeswerk |
| JPS5930905B2 (ja) * | 1978-05-12 | 1984-07-30 | 日野自動車株式会社 | 過給式ディ−ゼルエンジンのegr制御方法 |
| DE3124668C2 (de) * | 1981-06-24 | 1986-02-06 | Daimler-Benz Ag, 7000 Stuttgart | Gemischverdichtende, fremdgezündete Viertakt-Brennkraftmaschine, insbesondere für Kraftfahrzeuge |
| DE3148161A1 (de) * | 1981-12-05 | 1983-06-09 | Pierburg Gmbh & Co Kg, 4040 Neuss | "verfahren zur gasdruckerzeugung bei einem verbrennungsmotor, sowie vorrichtung zum durchfuehren dieses verfahrens" |
| DE3205722A1 (de) * | 1982-02-18 | 1983-08-25 | Volkswagenwerk Ag, 3180 Wolfsburg | Fremdgezuendete brennkraftmaschine, insbesondere fuer ein kraftfahrzeug, mit einer lastverstellvorrichtung |
| DE3819646A1 (de) * | 1987-06-19 | 1988-12-29 | Volkswagen Ag | Brennkraftmaschine mit einer arbeitsmaschine als leistungsstellglied |
| SE468524B (sv) * | 1991-07-08 | 1993-02-01 | Saab Automobile | Anordning foer luftinblaasning i ett med en katalytisk avgasrenare foersett avgassystem till en oeverladdad ottomotor |
| DE4209684A1 (de) * | 1992-03-25 | 1993-09-30 | Porsche Ag | Einrichtung zur Beeinflussung der Strömung in Gaswechselkanälen einer Brennkraftmaschine |
| DE4445490A1 (de) * | 1994-12-20 | 1996-06-27 | Audi Ag | Vorrichtung zur Abgasentgiftung an einer Brennkraftmaschine |
| CA2220692A1 (en) * | 1995-06-06 | 1996-12-12 | P.D.T. Engineering Technology Limited | Rotary positive-displacement fluid machine |
| DE19840629C2 (de) * | 1998-09-05 | 2002-06-27 | Daimler Chrysler Ag | Antriebsaggregat für ein Fahrzeug |
| DE19937781A1 (de) * | 1999-08-10 | 2001-02-15 | Mann & Hummel Filter | Brennkraftmaschine mit Sekundärlufteinblaßsystem |
| DE10005888A1 (de) * | 2000-02-10 | 2001-08-16 | Mann & Hummel Filter | Verfahren Vorrichtung zur gleichzeitigen Einstellung eines Ansaugluftstroms für eine Brennkraftmaschine und eines Sekundärluftstroms in die Abgasanlage derselben Brennkraftmaschine |
| DE10064481A1 (de) * | 2000-12-22 | 2002-07-04 | Mann & Hummel Filter | Brennkraftmaschine mit Sekundärluftaufladung und Verfahren zur Regelung des Sekundärluftladers |
-
2002
- 2002-07-18 DE DE10232516A patent/DE10232516A1/de not_active Withdrawn
-
2003
- 2003-07-16 EP EP03765003A patent/EP1523615A1/de not_active Withdrawn
- 2003-07-16 WO PCT/EP2003/007716 patent/WO2004009982A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2004009982A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004009982A1 (de) | 2004-01-29 |
| DE10232516A1 (de) | 2004-01-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20041217 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
| RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB IT |
|
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: LEHMANN, HANS-GEORG Inventor name: HERGEMOELLER, THORSTEN Inventor name: HUERLAND, ARMIN Inventor name: JURETZKA, ANDREAS |
|
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: LEHMANN, HANS-GEORG Inventor name: HUERLAND, ARMIN Inventor name: JURETZKA, ANDREAS Inventor name: HERGEMOELLER, THORSTEN |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: DAIMLERCHRYSLER AG |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20070201 |