EP1375858B1 - Méthode de contrôle d'un moteur à combustion interne avec un compresseur à ondes de pression gazodynamique - Google Patents

Méthode de contrôle d'un moteur à combustion interne avec un compresseur à ondes de pression gazodynamique Download PDF

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Publication number
EP1375858B1
EP1375858B1 EP02405544A EP02405544A EP1375858B1 EP 1375858 B1 EP1375858 B1 EP 1375858B1 EP 02405544 A EP02405544 A EP 02405544A EP 02405544 A EP02405544 A EP 02405544A EP 1375858 B1 EP1375858 B1 EP 1375858B1
Authority
EP
European Patent Office
Prior art keywords
gas
high pressure
pressure
pressure wave
wave machine
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.)
Expired - Lifetime
Application number
EP02405544A
Other languages
German (de)
English (en)
Other versions
EP1375858A1 (fr
Inventor
Urs Wenger
Roger Martin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Swissauto Engineering SA
Original Assignee
Swissauto Engineering SA
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
Priority to DE50204469T priority Critical patent/DE50204469D1/de
Application filed by Swissauto Engineering SA filed Critical Swissauto Engineering SA
Priority to AT02405544T priority patent/ATE306014T1/de
Priority to EP02405544A priority patent/EP1375858B1/fr
Priority to ES02405544T priority patent/ES2250605T3/es
Priority to EP20030405381 priority patent/EP1375859B1/fr
Priority to DE50307685T priority patent/DE50307685D1/de
Priority to US10/460,454 priority patent/US6988493B2/en
Priority to JP2003177821A priority patent/JP4481595B2/ja
Priority to BRPI0301987-0A priority patent/BR0301987B1/pt
Publication of EP1375858A1 publication Critical patent/EP1375858A1/fr
Application granted granted Critical
Publication of EP1375858B1 publication Critical patent/EP1375858B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F13/00—Pressure exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/32—Engines with pumps other than of reciprocating-piston type
    • F02B33/42—Engines with pumps other than of reciprocating-piston type with driven apparatus for immediate conversion of combustion gas pressure into pressure of fresh charge, e.g. with cell-type pressure exchangers

Definitions

  • the present invention relates to a method for Control of an internal combustion engine with a gas-dynamic Pressure wave machine according to the preamble of claim 1.
  • a gas-dynamic pressure wave machine that is intended to supply charge air to an internal combustion engine is from the WO 99/11913 of the same applicant.
  • a rotatable air housing to the Openings of one of the two high-pressure channels with respect to the align with other openings in the other high-pressure channel, to a process vote over the entire map area to achieve the combustion engine as well as a variable Width adjustment of the high pressure exhaust duct and more Characteristics.
  • the first stage one differentiates between two phases, a positive load jump at Accelerating, and a negative load jump during braking, or take gas.
  • the second stage can be divided into three phases subdivide, part load phase, idle phase and constant Vollastphase.
  • the present invention particularly relates to positive load jump when accelerating as well as the negative Load jump when Gaswegoli or deceleration with subsequent partial load behavior.
  • the Pressure wave loader can be damaged, for example, the Storage of the rotor by stripes on the housings or due to high exhaust gas recirculation and / or too low Boost pressure and / or high charge air temperature of Motor operation is disturbed.
  • FIGs 1 and 2 is a gas dynamic Pressure wave machine shown at the a variety of Improvements have been made to total the Significantly increase the efficiency.
  • the pressure wave machine 30 is above the high pressure exhaust passage 31 and the high pressure charge air passage 32 with the schematically illustrated Combustion engine 33 connected.
  • the low pressure exhaust passage 35 Located in the gas housing 34 Furthermore, the low pressure exhaust passage 35, and it is off.
  • This figure shows that the two channels, d. H. of the High-pressure exhaust duct and the low-pressure exhaust duct, in Gas housing rotor side as sector-shaped openings 36A and 37A each with an opening edge 36 or 37 open, see also FIGS. 5 and 6.
  • the opening edges become the high-pressure charge air duct 32, d. H. the in the Rotor cells opening openings, adjusted by either the air housing with respect to the stationary rotor and Gas housing or only the high-pressure charge air duct twisted becomes.
  • the rotation of the housing can, for example 0 - 25 °.
  • the connecting line 46 from the high pressure charge air duct into the high pressure exhaust duct leads.
  • the connection line contains a Check valve 47, optionally with a provided electronic control. This works Check valve as a regulation in the sense that only Pressure surges are transmitted, their energy level higher than the current pressure in the high pressure exhaust duct.
  • the negative pressure pulses d. H.
  • Branch which in Figure 1 or 2 somewhere between the High-pressure charge air duct edge and the engine inlet is arranged, directly after the opening edge of the high-pressure charge air duct is arranged.
  • This preferred variant is not in Figure 1 for the sake of clarity located.
  • the pressure wave machine is after State of the art strongly filling-dependent.
  • Reduction of pressure pulsations as described above allows the provision of a connection line the Return of charge air to the high pressure exhaust side of the Pressure wave machine, thereby increasing the Mass flow rate of the machine and thus an increase in the Filling degree, resulting in a significant increase in pressure makes noticeable.
  • An additional regulation of repatriated Fresh air high-pressure quantity by means of a regulated Check valve can thus for boost pressure control in general and the gasoline engine in addition to Power control can be used. That means with others Words that the pressure wave machine to improve the Compression efficiency at higher engine flow rates can be dimensioned slightly larger, without at lower Motor throughputs to lose boost.
  • connection channel This can for example also be done by the Cross section of the connection channel by means of a suitable, known device is controlled, either the Regulated check valve or an additional Cross-section control can be used.
  • This is particularly effective in low to medium speed, Temperature and load range of the internal combustion engine.
  • the means, the system to increase the power by means of Connection line is a tool to assist if necessary low achievable boost pressure at low engine speeds, from 1'000 to 3'000 RPM, a big boost in boost pressure by exploiting the exhaust gas pulsations and the positive To achieve pressure difference across the pressure wave machine.
  • FIGS. 3, 3A are a Influencing the high pressure exhaust duct, or his Broadening, shown schematically.
  • the unwound rotor 40 shown with the cells 41 and a Recess 48 provided in the gas housing 34, which by a Slider 49 can be changed as indicated by the arrow 50 is indicated.
  • the slide 49 is completely in Arrow direction indented so that the high pressure exhaust duct widened without a bridge has arisen.
  • the slider can be moved so that the High-pressure channel is widened until the pressure in it so far, that is due to the pressure wave process generated boost pressure drops to the desired level.
  • the check valve the Connection line may only be opened, if all other parameters and actuators after the positive Load jump, because of the requirement of the highest possible Boost pressure, already in the optimal position. This is required because with the power boosting system of Intensified high-pressure process at the expense of the flushing process becomes.
  • the housing rotation, the speed and the position of the Slider of the width adjustment of the high pressure exhaust duct or the variable gas pocket inflow can vary depending on Requirement vary and in different settings bring similar results. Good results can be achieved be achieved that in hiring the Pressure wave machine, the performance of the internal combustion engine or their torque is optimized.
  • the inventive method is not on the described system combustion engine pressure wave machine limited. In its basic form, the procedure has for all Systems combustion engine-pressure wave machine validity. Its full effectiveness unfolds with all options. This method also applies to both petrol and for Diesel engines, with and without catalysts and with or without Additional heaters.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Supercharger (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Characterised By The Charging Evacuation (AREA)

Claims (9)

  1. Procédé de contrôle d'un moteur à combustion interne avec un compresseur à ondes de pression gazodynamique, dans laquelle le compresseur à ondes de pression gazodynamique présente un boítier pivotant, afin de coordonner la mise au point des processus sur l'ensemble du champ des caractéristiques du moteur à combustion interne, et un réglage de la largeur variable du tuyau d'échappement haute pression ou une arrivée de poche de gaz variable,
    caractérisé en ce que
    dans chaque champ caractéristique, on respecte une séquence précise du contrôle, dans laquelle, lors d'une brusque variation de charge positive, le régime et le corps du compresseur à ondes de pression gazodynamique sont réglés par des moyens appropriés sur la position optimale mémorisée dans le champ caractéristique, le réglage de la largeur variable du tuyau d'échappement haute pression, ou l'arrivée de poche de gaz variable, est réglé sur la pression de suralimentation nécessaire provenant du champ caractéristique du moteur ; et lors d'une brusque variation de charge négative, le régime et le boítier du compresseur à ondes de pression gazodynamique sont réglés avec des moyens appropriés sur la position optimale mémorisée dans le champ caractéristique du moteur et le réglage de la largeur variable du tuyau d'échappement haute pression ou l'arrivée de poche de gaz variable, est au maximum, afin de maintenir la différence de pression entre l'air de suralimentation haute pression et l'échappement haute pression minimale.
  2. Procédé selon la revendication 1,
    caractérisé en ce qu'
    au début de la brusque variation de charge positive, dans laquelle la partie de contrôle du moteur à combustion interne est déplacée selon le souhait du conducteur d'avoir plus de puissance, une vanne d'air de balayage est tout d'abord ouverte au maximum dans le tuyau d'admission du compresseur à ondes de pression gazodynamique.
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que
    lors d'une brusque variation de charge positive, et lorsque la pression de suralimentation souhaitée n'est pas obtenue, un tuyau de raccordement est en outre ouvert entre le tuyau d'air de suralimentation haute pression et le tuyau d'échappement haute pression.
  4. Procédé selon la revendication 3,
    caractérisé en ce que
    l'ouverture se fait dans un domaine défini par Nmot = 1000 - 3000 tr/mn.
  5. Procédé selon la revendication 3 ou 4,
    caractérisé en ce que
    l'ouverture du tuyau de raccordement se fait une fois que tous les autres paramètres et actionneurs se trouvent déjà dans la position optimale après la brusque variation de charge positive.
  6. Procédé selon la revendication 1 lors d'une brusque variation de charge négative,
    caractérisé en ce qu'
    il est garanti qu'un tuyau de raccordement se trouvant entre le tuyau de suralimentation haute pression et le tuyau d'échappement haute pression est fermé de manière sûre.
  7. Procédé selon la revendication 6,
    caractérisé en ce qu'
    une vanne se trouvant dans le tuyau de raccordement est actionnée au moyen d'un actionneur par l'intermédiaire de la commande du moteur à combustion interne.
  8. Procédé selon la revendication 6 ou 7,
    caractérisé en ce qu'
    au début de la brusque variation de charge négative, la vanne d'air de balayage est fermée au maximum, sans que s'interrompe cependant le balayage du rotor.
  9. Procédé selon l'une quelconque des revendications de 1 à 8,
    caractérisé en ce que
    le boítier pivotant du compresseur à ondes de pression gazodynamique est le carter d'admission.
EP02405544A 2002-06-28 2002-06-28 Méthode de contrôle d'un moteur à combustion interne avec un compresseur à ondes de pression gazodynamique Expired - Lifetime EP1375858B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
AT02405544T ATE306014T1 (de) 2002-06-28 2002-06-28 Verfahren zur regelung einer verbrennungsmaschine mit einer gasdynamischen druckwellenmaschine
EP02405544A EP1375858B1 (fr) 2002-06-28 2002-06-28 Méthode de contrôle d'un moteur à combustion interne avec un compresseur à ondes de pression gazodynamique
ES02405544T ES2250605T3 (es) 2002-06-28 2002-06-28 Metodo para el control de un motor de combusiton interna con un compresor de onda de presion gasodinamico.
DE50204469T DE50204469D1 (de) 2002-06-28 2002-06-28 Verfahren zur Regelung einer Verbrennungsmaschine mit einer gasdynamischen Druckwellenmaschine
EP20030405381 EP1375859B1 (fr) 2002-06-28 2003-05-27 Procédé de contrôle d'un moteur à combustion interne avec une machine à ondes de pression à dynamique des gaz
DE50307685T DE50307685D1 (de) 2002-06-28 2003-05-27 Verfahren zur Regelung einer Verbrennungsmaschine mit einer Gasdynamischen Druckwellenmaschine
US10/460,454 US6988493B2 (en) 2002-06-28 2003-06-12 Method for the control of an internal combustion engine combined with a gas-dynamic pressure wave machine
JP2003177821A JP4481595B2 (ja) 2002-06-28 2003-06-23 気体力学的圧力波供給機搭載の内燃機関の制御方法
BRPI0301987-0A BR0301987B1 (pt) 2002-06-28 2003-06-25 processo para o controle de um motor de combustço interna combinado com uma mÁquina de onda de pressço dinÂmica de gÁs.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02405544A EP1375858B1 (fr) 2002-06-28 2002-06-28 Méthode de contrôle d'un moteur à combustion interne avec un compresseur à ondes de pression gazodynamique

Publications (2)

Publication Number Publication Date
EP1375858A1 EP1375858A1 (fr) 2004-01-02
EP1375858B1 true EP1375858B1 (fr) 2005-10-05

Family

ID=29717001

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EP02405544A Expired - Lifetime EP1375858B1 (fr) 2002-06-28 2002-06-28 Méthode de contrôle d'un moteur à combustion interne avec un compresseur à ondes de pression gazodynamique

Country Status (7)

Country Link
US (1) US6988493B2 (fr)
EP (1) EP1375858B1 (fr)
JP (1) JP4481595B2 (fr)
AT (1) ATE306014T1 (fr)
BR (1) BR0301987B1 (fr)
DE (2) DE50204469D1 (fr)
ES (1) ES2250605T3 (fr)

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US7621118B2 (en) 2002-07-03 2009-11-24 Rolls-Royce North American Technologies, Inc. Constant volume combustor having a rotating wave rotor
US7555891B2 (en) 2004-11-12 2009-07-07 Board Of Trustees Of Michigan State University Wave rotor apparatus
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EP3009629B1 (fr) * 2014-10-13 2019-03-06 Antrova AG Procédé et dispositif de réglage d'une pression de charge dans un moteur à combustion avec un compresseur à ondes de pression
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US10393383B2 (en) 2015-03-13 2019-08-27 Rolls-Royce North American Technologies Inc. Variable port assemblies for wave rotors
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Also Published As

Publication number Publication date
DE50307685D1 (de) 2007-08-30
DE50204469D1 (de) 2006-02-16
BR0301987B1 (pt) 2011-12-27
JP2004100690A (ja) 2004-04-02
US20040003802A1 (en) 2004-01-08
EP1375858A1 (fr) 2004-01-02
BR0301987A (pt) 2004-08-31
JP4481595B2 (ja) 2010-06-16
ES2250605T3 (es) 2006-04-16
US6988493B2 (en) 2006-01-24
ATE306014T1 (de) 2005-10-15

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