SE0701196L - A control method for turbo chargers - Google Patents

A control method for turbo chargers

Info

Publication number
SE0701196L
SE0701196L SE0701196A SE0701196A SE0701196L SE 0701196 L SE0701196 L SE 0701196L SE 0701196 A SE0701196 A SE 0701196A SE 0701196 A SE0701196 A SE 0701196A SE 0701196 L SE0701196 L SE 0701196L
Authority
SE
Sweden
Prior art keywords
mass flow
gas mass
compressor
pressure difference
turbine speed
Prior art date
Application number
SE0701196A
Other languages
Swedish (sv)
Other versions
SE531145C2 (en
Inventor
Mats Jennische
Mikael Persson
Original Assignee
Scania Cv Abp
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 Scania Cv Abp filed Critical Scania Cv Abp
Priority to SE0701196A priority Critical patent/SE531145C2/en
Priority to DE112008001268.7T priority patent/DE112008001268B4/en
Priority to PCT/SE2008/050542 priority patent/WO2009020415A1/en
Publication of SE0701196L publication Critical patent/SE0701196L/en
Publication of SE531145C2 publication Critical patent/SE531145C2/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0261—Surge control by varying driving speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D33/00—Controlling delivery of fuel or combustion-air, not otherwise provided for
    • F02D33/02—Controlling delivery of fuel or combustion-air, not otherwise provided for of combustion-air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D23/00—Controlling engines characterised by their being supercharged
    • F02D23/02—Controlling engines characterised by their being supercharged the engines being of fuel-injection type
    • 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
    • F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0246—Surge control by varying geometry within the pumps, e.g. by adjusting vanes
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
    • F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Supercharger (AREA)

Abstract

In a method and a system for preventing a reverse gas mass flow through a compressor of a turbo charged combustion engine, the maximum allowed pressure drop over the compressor for each gas mass flow is mapped in a pressure difference gas mass flow map stored in the control system of the engine. When the readings of current pressure difference and current gas mass flow indicates that engine operation is close to a value pair resulting in a reverse gas mass flow through the compressor, the control unit, in particular the electronic control unit (ECU), controlling the engine controls the turbine speed of the turbo charger to a reduced speed resulting in a lower pressure difference over the compressor thereby avoiding a reverse gas mass flow through the compressor of the turbo charger. Because the pressure difference can be derived from the turbine speed it is possible to directly control the turbine speed using the current gas mass flow as input signal in addition to the turbine speed signal.
SE0701196A 2007-05-15 2007-05-15 A control method for turbo chargers SE531145C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE0701196A SE531145C2 (en) 2007-05-15 2007-05-15 A control method for turbo chargers
DE112008001268.7T DE112008001268B4 (en) 2007-05-15 2008-05-12 Method, arrangement and computer program product for controlling a turbocharger
PCT/SE2008/050542 WO2009020415A1 (en) 2007-05-15 2008-05-12 A turbo charger control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0701196A SE531145C2 (en) 2007-05-15 2007-05-15 A control method for turbo chargers

Publications (2)

Publication Number Publication Date
SE0701196L true SE0701196L (en) 2008-11-16
SE531145C2 SE531145C2 (en) 2009-01-07

Family

ID=40099534

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0701196A SE531145C2 (en) 2007-05-15 2007-05-15 A control method for turbo chargers

Country Status (3)

Country Link
DE (1) DE112008001268B4 (en)
SE (1) SE531145C2 (en)
WO (1) WO2009020415A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU90867B1 (en) * 2001-12-21 2003-06-24 Delphi Tech Inc Method for controlling the boost pressure of a turbocharged internal combustion engine
LU90868B1 (en) * 2001-12-21 2003-07-23 Delphi Tech Inc Method for detecting compressor surging of a turbocharger
JP3873742B2 (en) 2001-12-28 2007-01-24 いすゞ自動車株式会社 Control device for variable capacity turbocharger
US6785604B2 (en) * 2002-05-15 2004-08-31 Caterpillar Inc Diagnostic systems for turbocharged engines
DE102004036553B3 (en) * 2004-07-28 2006-01-05 Bayerische Motoren Werke Ag Reporting process for mean amplitude of air mass oscillations involves detecting air mass signal, reporting its gradient, producing two mean values and difference signal

Also Published As

Publication number Publication date
DE112008001268T5 (en) 2010-04-15
WO2009020415A1 (en) 2009-02-12
SE531145C2 (en) 2009-01-07
DE112008001268B4 (en) 2022-07-14

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