WO2010057726A1 - Module d'amenée de gaz - Google Patents

Module d'amenée de gaz Download PDF

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Publication number
WO2010057726A1
WO2010057726A1 PCT/EP2009/063550 EP2009063550W WO2010057726A1 WO 2010057726 A1 WO2010057726 A1 WO 2010057726A1 EP 2009063550 W EP2009063550 W EP 2009063550W WO 2010057726 A1 WO2010057726 A1 WO 2010057726A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas supply
gas
closure element
combustion engine
internal combustion
Prior art date
Application number
PCT/EP2009/063550
Other languages
German (de)
English (en)
Inventor
Frank Steuernagel
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to US13/130,531 priority Critical patent/US20110290221A1/en
Publication of WO2010057726A1 publication Critical patent/WO2010057726A1/fr

Links

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
    • F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • 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
    • F02D2009/0249—Starting engine, e.g. closing throttle in Diesel engine to reduce starting torque
    • 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
    • F02D2009/0272—Two or more throttles disposed in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0002—Controlling intake air
    • F02D2041/0015—Controlling intake air for engines with means for controlling swirl or tumble flow, e.g. by using swirl valves

Definitions

  • the following invention relates to the problem of supplying internal combustion engines with air.
  • the drive torques are, for example, combined or separately provided by a plurality of drive sources, for example by electric motors and internal combustion engines.
  • the range is limited due to the available electrical energy or the physical performance of the electric motor. If the hybrid vehicle can no longer be driven exclusively by the electric motor, the internal combustion engine is coupled and started. If, on the other hand, the combustion engine is no longer needed, it will be decoupled.
  • the generated or required internal combustion engine torque during the starting phase must be compensated by the electric motor, so that the sum of the torques acting on an axle remains constant. If the internal combustion engine is towed by the electric motor, the internal combustion engine can be started with a combustion torque, ie with an internal torque, after the closing clutch has been disconnected, the internal torque corresponding exactly to the internal combustion engine losses caused by internal friction in the internal combustion engine such that a sum of all torques generated by the engine results in 0 Nm, so that the electric motor does not need to perform torque compensation.
  • the internal combustion engine torque generated by the internal combustion engine during the starting phase depends particularly strongly on external conditions, such as, for example, a current filling of the combustion chambers of the cylinders. Therefore, there are in an internal combustion engine essentially in particular in an internal combustion engine according to the gasoline engine principle, three positioning options for setting the current combustion torque, namely the filling amount, for example, the amount of air, the fuel quantity and the ignition angle.
  • the filling amount for example, the amount of air
  • the fuel quantity and the ignition angle set to ensure a flammable mixture safely.
  • the diesel engine it is the amount of fuel and, in particular at the beginning of delivery, the injection time.
  • an air pressure that is decisive for a fuel injection and ignition for the internal combustion engine torque is therefore preferable to set a suitable filling amount, which is generated in the cylinder.
  • an air pressure that is decisive for a fuel injection and ignition for the internal combustion engine torque.
  • suction tubes are used, which are evacuated at a starting operation of the internal combustion engine, the intake manifold determines the trapped in the intake manifold air and thus the air pressure and therefore also the resulting combustion engine torque.
  • a throttle flap is usually used on the intake manifold inlet side, wherein for the purpose of a better mixture mixing, a swirl flap can also be used to generate a flow turbulence, as described in the document DE 10 2004 011 589 A1.
  • the charge in the intake manifold is reduced by a reduction in the volume of air under ambient pressure in the intake manifold due to the intake and exhaust processes of the internal combustion engine.
  • the evacuation of the intake manifold may take several seconds, so that a quick start of the internal combustion engine is not possible. If the intake manifold is evacuated, the smallest torque can be generated by means of the internal combustion engine. However, it is not possible to quickly generate high torque due to the lack of filling.
  • the present invention is based on the recognition that different torques can be generated by internal combustion engines quickly when the combustion chambers of an internal combustion engine different air volumes, which are relevant for different combustion chamber pressures, are provided. If the combustion chamber of the internal combustion engine with the use of a gas supply element, such as a suction pipe, applied with air, so smaller torques can be generated, for example, not the entire gas supply element, but only for example, the cylinders are evacuated. This can be achieved by using the combustion chamber with a gas supply element, such as a suction pipe, applied with air, so smaller torques can be generated, for example, not the entire gas supply element, but only for example, the cylinders are evacuated. This can be achieved by using the combustion chamber with a gas supply element, such as a suction pipe, applied with air, so smaller torques can be generated, for example, not the entire gas supply element, but only for example, the cylinders are evacuated. This can be achieved by using the combustion chamber with a gas supply element, such as a suction pipe, applied with
  • Air supplying gas supply element not only on the inlet side, but on the outlet side at an end facing the combustion chamber and as close to the cylinder has a closure with which an output side volume of the gas supply element, ie a volume between an outlet of Gaszubowelemen- tes and the outlet side closure can be reduced , Due to the lower air volume, faster evacuation of the cylinders or Ren combustion chambers can be achieved, whereby smaller torques can be generated quickly. If the outlet-side closure is opened, an increased volume of air is available in the gas supply element, so that higher torques can be generated quickly.
  • the Gaszuchtele- ment as close to the cylinder by means of the outlet-side closure gas-tight manner, whereby evacuation of the gas supply element is avoided to a possibly existing input side throttle, so that the volume of air to be evacuated substantially only by the in-cylinder, smaller Air volume is determined.
  • a cylinder evacuation can also be carried out if the air supply module itself is not evacuated, as is the case, for example, in diesel engines in which inlet-side non-closable air supply elements are used.
  • the invention relates to a gas supply module for supplying a combustion chamber of an internal combustion engine with gas, in particular with air, with a gas supply element for combustion chamber gas supply and a closure element, which is arranged in the gas supply element outlet side, wherein the gas supply element is on the outlet side gas-tightly closed by the closure element ,
  • a gas supply module for supplying a combustion chamber of an internal combustion engine with gas, in particular with air, with a gas supply element for combustion chamber gas supply and a closure element, which is arranged in the gas supply element outlet side, wherein the gas supply element is on the outlet side gas-tightly closed by the closure element ,
  • the gas supply module further comprises a further closure element, in particular an inlet-side throttle flap, which is arranged in the gas supply element inlet side, wherein the gas supply element is on the inlet side closed gas-tight by the further closure element.
  • a further closure element in particular an inlet-side throttle flap, which is arranged in the gas supply element inlet side, wherein the gas supply element is on the inlet side closed gas-tight by the further closure element.
  • the gas supply element is designed in particular in the form of a gas conductor, wherein the gas can preferably be flowed in on the inlet side and outflow on the outlet side.
  • the closure element is arranged downstream of the further closure element in the gas flow direction.
  • the closure element is provided for reducing an outlet-side volume of the gas supply element. This advantageously ensures that the combustion chamber flanged to the gas supply element on the exhaust side, for example, can be evacuated quickly, which is necessary for generating low torques.
  • the closure element is therefore arranged directly at the outlet of the gas supply element to a gas volume between the closure element and the outlet of the gas supply element is low.
  • the further closure is provided to define a preferably larger volume of gas between the further closure and the outlet of the gas supply element. This ensures in an advantageous manner that, for example, after opening the closure element, a higher gas volume is available, so that higher internal combustion engine torques can be generated.
  • the further closure element is an inlet-side throttle valve and the closure element is an outlet-side throttle flap. This ensures in an advantageous manner that the two closure elements can be realized by standard components and arranged in the gas supply element.
  • the closure element and the further closure element are independently closable or openable, so that it is advantageously ensured that the different gas volumes can be provided independently of each other.
  • the gas supply element comprises a further closure element arranged on the inlet side for the gas-tight closure of the closure element
  • Gas supply element and a swirl flap for gas turbulence are provided in the gas supply module.
  • the gas supply module comprises a plurality of gas supply elements for supplying a plurality of combustion chambers with gas, for example with air.
  • each gas supply element comprises on the outlet side, a closure element for reducing an outlet-side volume of the gas supply element.
  • each gas supply element is connected on the outlet side with a combustion chamber of a cylinder, so that a direct combustion gas supply is possible.
  • the gas supply module comprises a number of outlet-side closure elements, wherein each outlet-side closure element is associated with a cylinder.
  • the outlet-side closure elements are independently controllable, so that they are independent of each other adjustable.
  • Closing elements are closed and a second number of outlet-side closure elements are opened to allow a cylinder-specific control.
  • the gas supply element is an evacuable
  • Suction tube so that can be used in an advantageous manner on standard components for the production of the gas supply module.
  • the invention relates to a method for operating an internal combustion engine having at least one combustion chamber and a gas supply module according to the invention connected to the at least one combustion chamber.
  • the method comprises closing the closure element during a starting phase of the internal combustion engine to reduce a volume of gas to be supplied to the combustion chamber.
  • the further closure element is closed and the closure element is opened to open to increase the gas volume to be supplied to the combustion chamber, whereby an internal combustion engine generation of higher torque is possible in an advantageous manner.
  • the invention relates to a program-technically configured device, for example a control device, which is designed to execute a computer program for carrying out the method for operating an internal combustion engine.
  • Fig. 1 a gas supply module
  • FIG. 2 shows a drive train of a parallel hybrid drive.
  • FIG. 1 shows a gas supply module with a gas supply element 101, in which an inlet-side closure element 103 is arranged on the inlet side and an outlet-side closure element 105 on the outlet side.
  • the gas supply element may be a suction tube, wherein the closure elements 103 and 105 Drossel standing. Saugrohrklappen can be.
  • the gas supply module is connected by means of a connection 107 with a combustion chamber 109 of a cylinder.
  • a cylinder piston 11 1 is further shown, which causes a compression of the combustion chamber gas.
  • the gas supply module is connected on the output side to the connecting element 107 at a connection interface 1 13 shown in FIG. 1, for example flanged thereto.
  • the connecting element 107 may be an element of the gas supply module, so that the closure element 105 can be moved even further in the direction of the combustion chamber 109, whereby an outlet-side volume can be further reduced.
  • the closure element 105 By using the closure element 105, a smaller gas volume is provided on the outlet side, so that a smooth start of the internal combustion engine is possible due to the low torques.
  • the engine starts at an output torque of 0 Nm at an interface to a drive train, such as a clutch to
  • the outlet-side closure element 105 By using the outlet-side closure element 105, it is therefore no longer necessary to evacuate the entire gas supply element 101, for example at lower rotational speeds, thereby realizing smallest output torques over minimum injection quantities and a late ignition angle. For the representation of smaller moments, a layer injection may also be used which ignites a mixture late in the vicinity of the spark plugs. According to the invention, the use of the stratified injection is made possible by the outlet-side, further closure element 105, although in the stratified injection also a dependency between an output torque and a degree of filling of the internal combustion engine as well as the ignitable one
  • the closure element 105 can be an intake tube flap, which is designed, for example, in the form of a swirl flap. In contrast to the known swirl flaps, which have a stronger turbulence of the mixture to the goal and therefore can not completely close the Saugrohrquerites, the closure element has the task to close this gas-tight, to allow evacu ability of the output volume.
  • the outlet-side, further closure element 105 can for example be used to complete a suction pipe at a point at which the suction pipe is flanged, for example, on the cylinder head, as shown for example by means of the interface 1 13.
  • FIG. 2 shows a drive train of a parallel hybrid with a combustion engine 201, which can be coupled via a separating clutch 203 to an electric motor 205.
  • a vehicle battery 207 is available to supply the electric motor 205 with electrical energy.
  • the electric motor 205 is coupled to a transmission 209, which is provided to drive the front wheels 21 1 via a transfer case 213.
  • the internal combustion engine has, for example, four cylinders, each cylinder having a gas supply element 215 assigned to it.
  • Each gas supply element 215 is closable on the outlet side by a closing element 217, for example an intake manifold flap.
  • the gas supply elements 215 and the closure elements 217 form a gas supply module 219.
  • a control device 212 is further provided, which also with the separating clutch 203, with the electric motor 205, with the transmission
  • the control unit 221 is provided, for example, depending on a driving condition to open the closure elements 217, fully or partially close to provide a minimum amount of air, for example, if the internal combustion engine 201 fails to perform a synchronization of the first revolutions after a start and appropriate injections and spark ignitions, creating the risk that a degree of filling in the cylinders is no longer sufficiently high for a combustible mixture.
  • cylinder-individual flap positions are possible to first
  • closure elements 217 are formed, for example, by intake manifold flaps, this has the advantage that the possibility is now opened, compared to a pure shift operation, to retrofit structurally configured internal combustion engines without major interventions.
  • the controller 221 has the task of performing a coordinated execution of the control of the shutter members 217 in the start-stop phases in the operation of the internal combustion engine.
  • the control unit 221 may be formed, for example, as an engine control unit.
  • an output torque of 0 Nm should preferably be displayed.
  • closure members 217 help to rapidly evacuate minute amounts of air in the respective cylinder without the need to evacuate the entire volume of each gas supply element.
  • a start of the internal combustion engine 201 may be necessary after a phase of an electric drive, for example when the vehicle battery 207 has been heavily emptied or a driver's request can no longer be implemented by the electric motor 205 alone. In such cases, it is advantageous to quickly transfer the internal combustion engine 201 to a state in which it can provide high torques after a start thereof. It is also conceivable that for charging the vehicle battery 207, a negative electric generator torque can be generated. In order to enable such a quasi-stationary torque distribution, the torques can preferably be ramped increased or decreased, for example, the electric motor 205 can change from a motor to a generator mode. In this phase of change, the engine 201 provides a high drive torque to allow torque balancing.
  • the outlet-side closure elements according to the invention can be controlled in an interaction with the inlet-side throttle valves, so that, for example, a torque rupture is avoided.
  • a lower volume to be evacuated is also also supplied to a muffler tract a smaller amount of air, if the outlet-side closure elements 217 are closed.
  • This is also advantageous for the downstream catalyst because it is less cooled by this lower amount of air and because fewer reactions occur due to the lower amount of oxygen available. This leads to a further reduction in exhaust gas during a start of the internal combustion engine 201.
  • a cylinder-individual control it is preferable for a cylinder-individual control to provide the torque to be generated per cylinder with current cylinder filling in order then to be able to realize the cylinder-individual control of the exhaust-side closure elements 217 , Therefore, it is advantageous if the control unit
  • the 221 is able to individually control the exhaust-side shutter members 217, so that the evacuation of the gas-supply members by the exhaust-side shutter members 217 can be efficiently performed.
  • the method according to the invention can be carried out, for example, when, for example, a vehicle coordinator element or a hybrid manager triggers a start with a reduced torque of the internal combustion engine, for example, from a purely electric drive. Thereupon, a start phase of the internal combustion engine begins in which it is towed, for example.
  • the separating clutch 203 and the outlet-side closing elements 217 are closed so that the internal combustion engine 201 begins to rotate.
  • a filling of the gas supply elements 215 or the cylinder can be observed in particular cylinder-individual.
  • the separating clutch 203 is completely closed, after which the internal combustion engine 201 ignites, for example. Then, a cylinder-specific injection can be released, so that the internal combustion engine 201 ignites on all cylinders, whereby small torques can be generated due to the small air volumes.
  • the outlet-side closure elements 217 and the inlet-side throttle valves can be opened, whereby an end of the starting phase of the internal combustion engine 201 is initiated. Then the outlet-side closure elements can be fully opened from the perspective of the hybrid drive, whereby a quasi-stationary torque distribution is possible.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

L'invention concerne un module d'amenée de gaz destiné à alimenter en gaz, en particulier en air, une chambre de combustion d'un moteur à combustion interne, avec un élément d'amenée de gaz (101) destiné à amener du gaz dans la chambre de combustion et avec un élément de fermeture (105) qui est monté dans l'élément d'amenée de gaz (101) du côté de sortie. L'élément d'amenée de gaz (101) peut être fermé de manière étanche aux gaz du côté de sortie par l'élément de fermeture (105).
PCT/EP2009/063550 2008-11-21 2009-10-16 Module d'amenée de gaz WO2010057726A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/130,531 US20110290221A1 (en) 2008-11-21 2009-10-16 Gas supply module

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008043976A DE102008043976A1 (de) 2008-11-21 2008-11-21 Gaszufuhrmodul
DE102008043976.2 2008-11-21

Publications (1)

Publication Number Publication Date
WO2010057726A1 true WO2010057726A1 (fr) 2010-05-27

Family

ID=41426960

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/063550 WO2010057726A1 (fr) 2008-11-21 2009-10-16 Module d'amenée de gaz

Country Status (3)

Country Link
US (1) US20110290221A1 (fr)
DE (1) DE102008043976A1 (fr)
WO (1) WO2010057726A1 (fr)

Citations (9)

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Publication number Priority date Publication date Assignee Title
US5669350A (en) * 1993-09-02 1997-09-23 Filterwerk Mann & Hummel Gmbh Throttle device
US5823163A (en) * 1996-03-27 1998-10-20 Toyota Jidosha Kabushiki Kaisha Intake air-flow control device for an internal combustion engine
EP1031712A2 (fr) * 1999-02-26 2000-08-30 Meta Motoren- Und Energie-Technik Gmbh Procédé et dispositif d'alimentation par impulsions pour moteur à piston
WO2002057615A1 (fr) * 2001-01-20 2002-07-25 Filterwerk Mann+Hummel Gmbh Dispositif et procede permettant d'eviter la sortie de vapeurs de carburant du systeme d'admission d'un moteur a combustion interne
EP1281845A2 (fr) * 2001-08-02 2003-02-05 Meta Motoren- Und Energie-Technik Gmbh Soupape de commande additionnelle dans le conduit d'admission d'un moteur à combustion interne
DE10200533A1 (de) * 2002-01-09 2003-07-24 Bosch Gmbh Robert Verfahren und Einrichtung zur Unterdruckerzeugung an Verbrennungskraftmaschinen
WO2006037717A1 (fr) * 2004-10-06 2006-04-13 Siemens Aktiengesellschaft Procede et dispositif pour determiner une duree de delai de transport de gaz dans un moteur a combustion interne
US20070240679A1 (en) * 2005-03-31 2007-10-18 Masakazu Tabata Control Apparatus and Control Method for Engine
WO2008111392A1 (fr) * 2007-03-06 2008-09-18 Toyota Jidosha Kabushiki Kaisha Dispositif de commande pour un moteur à combustion interne à allumage commandé du type à injection dans le cylindre

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DE2034497C3 (de) * 1970-07-11 1975-11-20 Bosch Gmbh Robert Elektrisch gesteuerte, intermittierend arbeitende Kraftstoffeinspritzanlage für Brennkraftmaschinen
JP3886217B2 (ja) * 1997-03-27 2007-02-28 ヤマハ発動機株式会社 ４サイクルエンジンの吸気装置
DE10028539A1 (de) * 2000-06-08 2001-12-20 Bosch Gmbh Robert Verfahren zum Betreiben einer Brennkraftmaschine
DE10306632A1 (de) * 2003-02-18 2004-08-26 Robert Bosch Gmbh Verfahren zum Betreiben einer Brennkraftmaschine
DE102004011589A1 (de) 2004-03-10 2005-09-29 Robert Bosch Gmbh Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine
US7013213B2 (en) * 2004-05-12 2006-03-14 Ford Global Technologies, Llc Method for controlling starting of an engine in a hybrid electric vehicle powertrain
JP4506735B2 (ja) * 2006-08-11 2010-07-21 株式会社デンソー 多連一体型バルブ開閉装置
JP4442653B2 (ja) * 2007-07-06 2010-03-31 株式会社デンソー 内燃機関の吸気制御装置
DE102007040727B4 (de) * 2007-08-29 2018-11-22 Robert Bosch Gmbh Verfahren zum Starten eines Verbrennungsmotors

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5669350A (en) * 1993-09-02 1997-09-23 Filterwerk Mann & Hummel Gmbh Throttle device
US5823163A (en) * 1996-03-27 1998-10-20 Toyota Jidosha Kabushiki Kaisha Intake air-flow control device for an internal combustion engine
EP1031712A2 (fr) * 1999-02-26 2000-08-30 Meta Motoren- Und Energie-Technik Gmbh Procédé et dispositif d'alimentation par impulsions pour moteur à piston
WO2002057615A1 (fr) * 2001-01-20 2002-07-25 Filterwerk Mann+Hummel Gmbh Dispositif et procede permettant d'eviter la sortie de vapeurs de carburant du systeme d'admission d'un moteur a combustion interne
EP1281845A2 (fr) * 2001-08-02 2003-02-05 Meta Motoren- Und Energie-Technik Gmbh Soupape de commande additionnelle dans le conduit d'admission d'un moteur à combustion interne
DE10200533A1 (de) * 2002-01-09 2003-07-24 Bosch Gmbh Robert Verfahren und Einrichtung zur Unterdruckerzeugung an Verbrennungskraftmaschinen
WO2006037717A1 (fr) * 2004-10-06 2006-04-13 Siemens Aktiengesellschaft Procede et dispositif pour determiner une duree de delai de transport de gaz dans un moteur a combustion interne
US20070240679A1 (en) * 2005-03-31 2007-10-18 Masakazu Tabata Control Apparatus and Control Method for Engine
WO2008111392A1 (fr) * 2007-03-06 2008-09-18 Toyota Jidosha Kabushiki Kaisha Dispositif de commande pour un moteur à combustion interne à allumage commandé du type à injection dans le cylindre

Also Published As

Publication number Publication date
DE102008043976A1 (de) 2010-05-27
US20110290221A1 (en) 2011-12-01

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