WO2012084567A1 - Moteur à combustion interne - Google Patents

Moteur à combustion interne Download PDF

Info

Publication number
WO2012084567A1
WO2012084567A1 PCT/EP2011/072421 EP2011072421W WO2012084567A1 WO 2012084567 A1 WO2012084567 A1 WO 2012084567A1 EP 2011072421 W EP2011072421 W EP 2011072421W WO 2012084567 A1 WO2012084567 A1 WO 2012084567A1
Authority
WO
WIPO (PCT)
Prior art keywords
turbine
exhaust gas
internal combustion
combustion engine
turbine runner
Prior art date
Application number
PCT/EP2011/072421
Other languages
German (de)
English (en)
Inventor
Andreas Haimann
Original Assignee
Avl List 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 Avl List Gmbh filed Critical Avl List Gmbh
Publication of WO2012084567A1 publication Critical patent/WO2012084567A1/fr

Links

Classifications

    • 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
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/007—Engines characterised by provision of pumps driven at least for part of the time by exhaust with exhaust-driven pumps arranged in parallel, e.g. at least one pump supplying alternatively
    • 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
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/12—Control of the pumps
    • F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
    • 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 an internal combustion engine, for a vehicle, in particular for a racing vehicle, with at least one exhaust gas line in which at least one exhaust gas turbine of an exhaust gas turbocharger is arranged, wherein at least two turbine runners are arranged on a common shaft, wherein a separate exhaust gas flow path leads to each turbine run, with a switching valve for switching between the two exhaust gas flow paths. Furthermore, the invention relates to a method for operating this internal combustion engine.
  • US 4,339,922 A discloses an exhaust gas turbocharger with two turbine wheels, wherein a separate flow path leads to each wheel.
  • Each turbine has its own inlet spiral.
  • a control valve is arranged, with which either the exhaust gas flow can be fed to a single turbine runner or both turbine runners. This allows the advantages of a small-sized turbine and a large-sized turbine with a single exhaust gas turbocharger can be achieved. At low speed while the exhaust gas flow is fed to a single turbine runner. At higher speeds, however, both turbine wheels are fed with the exhaust gas flow.
  • the AT 505.407 A4 discloses an exhaust gas turbocharger for an internal combustion engine, wherein the turbine wheel is designed double-flow. About a gate valve can be switched between one and two floods.
  • an exhaust gas turbocharger with an exhaust gas turbine and a compressor is known, which is associated with a larger and a smaller turbine flood, wherein the larger turbine flow adjacent to the shaft and the smaller turbine trough the shaft is turned away.
  • the exhaust gas of all cylinders can optionally be supplied as a function of the rotational speed of either the small or the large turbine tide.
  • the object of the invention is to avoid these disadvantages and to avoid a delayed response in an internal combustion engine when accelerating after a coasting operation.
  • the first turbine runner is designed for larger flow volumes than the second turbine runner, wherein the first turbine runner can be flowed through during at least one acceleration phase and the second turbine runner during at least one overrun phase of the internal combustion engine.
  • the exhaust gas flow is switched in overrun operation of the internal combustion engine to the second turbine impeller to keep the running gear of the turbocharger to speed.
  • the internal combustion engine acts as an air pump.
  • an increased boost pressure can be made available immediately when stopping the overrun operation and when accelerating the vehicle.
  • FIGS. show schematically:
  • FIG. 1 shows an internal combustion engine according to the invention during an acceleration phase.
  • FIGS. Show an internal combustion engine 1 with a plurality of cylinders 2.
  • a primary exhaust gas turbine 4 of an exhaust gas turbocharger 5 is arranged, the compressor of which is indicated by reference numeral 6.
  • a second turbine impeller 7a of an auxiliary turbine 7 is provided on the same shaft 9 as the first turbine impeller 4a of the primary exhaust gas turbine 4, a second turbine impeller 7a of an auxiliary turbine 7 is provided.
  • the first turbine impeller 4a of the exhaust gas turbine 4 is designed for larger volume flows than the second turbine impeller 7a of the auxiliary turbine 7.
  • the flow cross sections in the inlet or outlet to the primary exhaust gas turbine 4 are dimensioned larger than in the auxiliary turbine 7.
  • About a Weg 8 optionally the exhaust gas flow to the first turbine impeller 4a of the exhaust gas turbine 4 or to the second turbine impeller 7a of the auxiliary turbine 7 are passed.

Abstract

L'invention porte sur un moteur à combustion interne (1) pour un véhicule, en particulier pour un véhicule de course, comprenant au moins un conduit de gaz d'échappement (3) dans lequel est agencée au moins une turbine sur gaz d'échappement (4) faisant partie d'un turbocompresseur sur gaz d'échappement (5), dans lequel au moins deux rotors de turbine (4a, 7a) sont montés sur un arbre commun (9) et où, à chaque rotor de turbine (4a, 9a) aboutit une voie de passage des gaz d'échappement séparée, un organe de commutation (8) étant utilisé pour commuter entre les deux voies de passage des gaz d'échappement. Pour permettre d'obtenir une accélération sans retard à partir de la marche en poussée, le premier rotor de turbine (4a) est conçu pour de plus grands débits que le deuxième rotor de turbine (7a), le premier rotor de turbine (4a) pouvant être alimenté pendant au moins une phase d'accélération et le deuxième rotor de turbine (7a) pendant au moins une phase de poussée du moteur à combustion interne (1).
PCT/EP2011/072421 2010-12-20 2011-12-12 Moteur à combustion interne WO2012084567A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA2098/2010 2010-12-20
ATA2098/2010A AT510599B1 (de) 2010-12-20 2010-12-20 Brennkraftmaschine

Publications (1)

Publication Number Publication Date
WO2012084567A1 true WO2012084567A1 (fr) 2012-06-28

Family

ID=45315817

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/072421 WO2012084567A1 (fr) 2010-12-20 2011-12-12 Moteur à combustion interne

Country Status (2)

Country Link
AT (1) AT510599B1 (fr)
WO (1) WO2012084567A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019239010A1 (fr) * 2018-06-12 2019-12-19 Finger Motors Oy Turbocompresseur

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339922A (en) 1979-07-09 1982-07-20 Navarro Bernard J Dual turbine turbo-supercharger
US5163294A (en) * 1990-05-17 1992-11-17 Aisin Seiki Kabushiki Kaisha Turbocharger with coupling between compressor rotors
DE102006019780A1 (de) 2006-04-28 2007-11-08 Daimlerchrysler Ag Abgasturbolader in einer Brennkraftmaschine
AT505407A4 (de) 2007-08-16 2009-01-15 Ghm Engineering Abgasturbolader für eine brennkraftmaschine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009138719A (ja) * 2007-12-11 2009-06-25 Hino Motors Ltd マルチターボシステム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339922A (en) 1979-07-09 1982-07-20 Navarro Bernard J Dual turbine turbo-supercharger
US5163294A (en) * 1990-05-17 1992-11-17 Aisin Seiki Kabushiki Kaisha Turbocharger with coupling between compressor rotors
DE102006019780A1 (de) 2006-04-28 2007-11-08 Daimlerchrysler Ag Abgasturbolader in einer Brennkraftmaschine
AT505407A4 (de) 2007-08-16 2009-01-15 Ghm Engineering Abgasturbolader für eine brennkraftmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019239010A1 (fr) * 2018-06-12 2019-12-19 Finger Motors Oy Turbocompresseur

Also Published As

Publication number Publication date
AT510599A4 (de) 2012-05-15
AT510599B1 (de) 2012-05-15

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