FR3059720B1 - METHOD FOR CONTROLLING AN ELECTRICALLY ASSISTED TURBOCHARGER - Google Patents

METHOD FOR CONTROLLING AN ELECTRICALLY ASSISTED TURBOCHARGER Download PDF

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Publication number
FR3059720B1
FR3059720B1 FR1661929A FR1661929A FR3059720B1 FR 3059720 B1 FR3059720 B1 FR 3059720B1 FR 1661929 A FR1661929 A FR 1661929A FR 1661929 A FR1661929 A FR 1661929A FR 3059720 B1 FR3059720 B1 FR 3059720B1
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FR
France
Prior art keywords
compressor
values
pairs
air flow
controlling
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.)
Active
Application number
FR1661929A
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French (fr)
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FR3059720A1 (en
Inventor
Alain Lefebvre
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.)
Renault SAS
Original Assignee
Renault SAS
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Filing date
Publication date
Application filed by Renault SAS filed Critical Renault SAS
Priority to FR1661929A priority Critical patent/FR3059720B1/en
Publication of FR3059720A1 publication Critical patent/FR3059720A1/en
Application granted granted Critical
Publication of FR3059720B1 publication Critical patent/FR3059720B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • F02B37/04—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump
    • F02B37/10—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump at least one pump being alternatively or simultaneously driven by exhaust and other drive, e.g. by pressurised fluid from a reservoir or an engine-driven pump
    • 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
    • F02B37/16—Control of the pumps by bypassing charging air
    • 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
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F02B39/02—Drives of pumps; Varying pump drive gear ratio
    • F02B39/08—Non-mechanical drives, e.g. fluid drives having variable gear ratio
    • F02B39/10—Non-mechanical drives, e.g. fluid drives having variable gear ratio electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0406—Intake manifold pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
    • F02D2200/703—Atmospheric pressure
    • 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

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

Abstract

L'invention concerne un procédé de commande d'un turbocompresseur à assistance électrique comprenant une turbine (31), un compresseur (21) et un moteur électrique (33) adapté pour entraîner en rotation la turbine et le compresseur, du type dans lequel on mémorise une table de couples de valeurs respectivement de taux de compression et de débit d'air du compresseur, lesdits couples définissant une limite de pompage (C1) du compresseur. Le procédé comprend l'acquisition de valeurs de débit d'air dans le compresseur et de taux de compression et, en cas de détection d'un risque de pompage, on commande une recirculation d'une partie de l'air circulant en aval du compresseur vers l'amont du compresseur via un circuit de recirculation (40) et on contrôle le débit d'air recirculé en fonction des valeurs acquises de débit d'air corrélées à ladite table de couples de valeurs de sorte à s'éloigner du risque de pompage détecté.The invention relates to a method for controlling an electrically assisted turbocharger comprising a turbine (31), a compressor (21) and an electric motor (33) suitable for rotating the turbine and the compressor, of the type in which stores a table of pairs of values of compression ratio and air flow rate of the compressor respectively, said pairs defining a pumping limit (C1) of the compressor. The method comprises the acquisition of values of air flow in the compressor and of compression rate and, in the event of detection of a risk of pumping, a recirculation of part of the air circulating downstream of the compressor upstream of the compressor via a recirculation circuit (40) and the flow of recirculated air is controlled as a function of the acquired values of air flow correlated to said table of pairs of values so as to move away from the risk pump detected.

FR1661929A 2016-12-05 2016-12-05 METHOD FOR CONTROLLING AN ELECTRICALLY ASSISTED TURBOCHARGER Active FR3059720B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1661929A FR3059720B1 (en) 2016-12-05 2016-12-05 METHOD FOR CONTROLLING AN ELECTRICALLY ASSISTED TURBOCHARGER

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1661929A FR3059720B1 (en) 2016-12-05 2016-12-05 METHOD FOR CONTROLLING AN ELECTRICALLY ASSISTED TURBOCHARGER
FR1661929 2016-12-05

Publications (2)

Publication Number Publication Date
FR3059720A1 FR3059720A1 (en) 2018-06-08
FR3059720B1 true FR3059720B1 (en) 2020-01-24

Family

ID=57909730

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1661929A Active FR3059720B1 (en) 2016-12-05 2016-12-05 METHOD FOR CONTROLLING AN ELECTRICALLY ASSISTED TURBOCHARGER

Country Status (1)

Country Link
FR (1) FR3059720B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4390082A1 (en) * 2022-12-22 2024-06-26 Volvo Truck Corporation An engine system provided with two electrically assisted turbochargers in parallel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007528956A (en) * 2003-08-08 2007-10-18 ハネウェル・インターナショナル・インコーポレーテッド Compressor surge control system
JP4432512B2 (en) * 2004-01-30 2010-03-17 株式会社Ｉｈｉ Supercharger and supercharging method
JP4595701B2 (en) * 2005-06-21 2010-12-08 トヨタ自動車株式会社 Control device for internal combustion engine having supercharger with electric motor
JP4775097B2 (en) * 2006-04-25 2011-09-21 トヨタ自動車株式会社 Control device for internal combustion engine provided with centrifugal compressor
JP2010265810A (en) * 2009-05-14 2010-11-25 Mitsubishi Electric Corp Control device for internal combustion engine

Also Published As

Publication number Publication date
FR3059720A1 (en) 2018-06-08

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