JPH0263046U - - Google Patents

Info

Publication number
JPH0263046U
JPH0263046U JP1988141232U JP14123288U JPH0263046U JP H0263046 U JPH0263046 U JP H0263046U JP 1988141232 U JP1988141232 U JP 1988141232U JP 14123288 U JP14123288 U JP 14123288U JP H0263046 U JPH0263046 U JP H0263046U
Authority
JP
Japan
Prior art keywords
valve opening
exhaust bypass
engine
pressure turbocharger
operating state
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.)
Pending
Application number
JP1988141232U
Other languages
English (en)
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 filed Critical
Priority to JP1988141232U priority Critical patent/JPH0263046U/ja
Publication of JPH0263046U publication Critical patent/JPH0263046U/ja
Pending legal-status Critical Current

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
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F02B39/16—Other safety measures for, or other control of, pumps
    • 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
    • F02B37/004—Engines characterised by provision of pumps driven at least for part of the time by exhaust with exhaust drives arranged in series
    • 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
    • F02B37/013—Engines characterised by provision of pumps driven at least for part of the time by exhaust with exhaust-driven pumps arranged in series
    • 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
    • F02B37/162—Control of the pumps by bypassing charging air by bypassing, e.g. partially, intake air from pump inlet to pump outlet
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Description

【図面の簡単な説明】
第１図は本考案の原理を説明するブロツク図、
第２図は本考案に係る二段ターボエンジンの異常
処理装置の一実施例の全体概略構成図、第３図は
排気バイパス弁を駆動する装置の縦断面図、第４
図は制御コンピユータのブロツク回路図、第５図
は第１図に示す装置の過給圧制御の作動の一例を
示すフローチヤート図、第６図は排気バイパス弁
の異常時の制御フローチヤート図、第７図は各エ
ンジン運転状態における排気バイパス弁の開弁状
態を示す図、第８図は各エンジン運転状態と、排
気バイパス弁の弁開度との関係を示す図、第９図
は第６図と異なる、排気バイパス弁の異常時の制
御フローチヤート図、第１０図は、低圧段ターボ
チヤージヤの過給圧力と排気バイパス弁の弁開度
との関係を示す図、第１１図は第３図と異なる、
排気バイパス弁を駆動する装置の縦断面図である
。 ３……低圧段タービン、４……高圧段タービン
、５……低圧段コンプレツサ、６……高圧段コン
プレツサ、７……吸気通路、１３……低圧段排気
バイパス通路、１４……高圧段排気バイパス通路
、１６……吸気バイパス通路、２３……ウエイス
トゲートバルブ、２４……排気バイパス弁、２６
……吸気バイパス弁、３４……排気バイパス弁駆
動装置。

Claims (1)

  1. 【実用新案登録請求の範囲】 吸入空気を過給する低圧段ターボチヤージヤと
    、該低圧段ターボチヤージヤで過給された空気を
    更に過給してエンジンに送る高圧段ターボチヤー
    ジヤとを有し、上記高圧段ターボチヤージヤの排
    気タービンを迂回する排気バイパス通路に排気バ
    イパス弁を設けた二段ターボエンジンにおいて、 排気バイパス弁の弁開度を検出する弁開度検出
    手段と、 エンジン運転状態を検出する運転状態検出手段
    と、 このエンジン運転状態に応じた排気バイパス弁
    の基本弁開度を演算する基本弁開度演算手段と、 検出した弁開度とこの基本弁開度とを比較し、
    異常信号を出力する比較手段と、 比較手段により出力される異常信号に基づき、
    エンジンへの燃料供給量を制限する燃料供給量制
    限手段、 とを備えた二段ターボエンジンの異常処理装置
    。
JP1988141232U 1988-10-31 1988-10-31 Pending JPH0263046U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988141232U JPH0263046U (ja) 1988-10-31 1988-10-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988141232U JPH0263046U (ja) 1988-10-31 1988-10-31

Publications (1)

Publication Number Publication Date
JPH0263046U true JPH0263046U (ja) 1990-05-11

Family

ID=31406124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988141232U Pending JPH0263046U (ja) 1988-10-31 1988-10-31

Country Status (1)

Country Link
JP (1) JPH0263046U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011007456A1 (ja) * 2009-07-16 2011-01-20 トヨタ自動車株式会社 内燃機関の制御弁異常判定装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011007456A1 (ja) * 2009-07-16 2011-01-20 トヨタ自動車株式会社 内燃機関の制御弁異常判定装置
JP5051301B2 (ja) * 2009-07-16 2012-10-17 トヨタ自動車株式会社 内燃機関の制御弁異常判定装置
US8522551B2 (en) 2009-07-16 2013-09-03 Toyota Jidosha Kabushiki Kaisha Apparatus for determining an abnormality of a control valve of an internal combustion engine

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