BR112012022907A2 - aparelho de controle de injeção de combustível - Google Patents

aparelho de controle de injeção de combustível

Info

Publication number
BR112012022907A2
BR112012022907A2 BR112012022907A BR112012022907A BR112012022907A2 BR 112012022907 A2 BR112012022907 A2 BR 112012022907A2 BR 112012022907 A BR112012022907 A BR 112012022907A BR 112012022907 A BR112012022907 A BR 112012022907A BR 112012022907 A2 BR112012022907 A2 BR 112012022907A2
Authority
BR
Brazil
Prior art keywords
injection
fuel
target
fuel injection
tsm
Prior art date
Application number
BR112012022907A
Other languages
English (en)
Inventor
Tsuchiyama Makio
Miyaura Takeshi
Furuya Yoshihiro
Ito Yoshiyasu
Original Assignee
Toyota Motor Co Ltd
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 Toyota Motor Co Ltd filed Critical Toyota Motor Co Ltd
Publication of BR112012022907A2 publication Critical patent/BR112012022907A2/pt

Links

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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/401—Controlling injection timing
    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • F02D41/403—Multiple injections with pilot injections
    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • F02D41/405—Multiple injections with post injections
    • 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
    • Y02T10/40—Engine management systems

Abstract

aparelho de controle de injeção de combustível. este aparelho é aplicado a um motor equipado com um sistema de fornecimento de combustível que fornece combustível de pressão aumentada paa uma válvula de injeção de combustível, e executa a injeção de combustível pela válvula de injeção em um ciclo de combustão por meio de um processo de injeção múltipla que inclui uma pré-injeção e uma injeção principal que são executadas com um intervalo entre elas. o aparelho calcula um desvio (<30>pr) entre um valor exigido (linha de traço e ponto) e um valor real (linha contínua) com relação ao momento de término da pré-injeção, com base no modo de oscilação da pressão de combustível na injeção de combustível que é detectada por um sensor de pressão. um momento de injeção principal alvo (tsm) e um pré-intervalo alvo (tip) são definidos individualmente com base no estado de operação do motor. com base no desvio (<30>pr), no momento de injeção principal alvo (tsm) e no pré-intervalo alvo (tip) o aparelho define valores alvos de controle com relação ao período de execução da pré-injeção.
BR112012022907A 2010-03-12 2011-02-23 aparelho de controle de injeção de combustível BR112012022907A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010056171A JP5045773B2 (ja) 2010-03-12 2010-03-12 燃料噴射制御装置
PCT/IB2011/000351 WO2011110910A1 (en) 2010-03-12 2011-02-23 Fuel injection control apparatus

Publications (1)

Publication Number Publication Date
BR112012022907A2 true BR112012022907A2 (pt) 2018-11-06

Family

ID=44209851

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012022907A BR112012022907A2 (pt) 2010-03-12 2011-02-23 aparelho de controle de injeção de combustível

Country Status (6)

Country Link
US (1) US9051895B2 (pt)
JP (1) JP5045773B2 (pt)
CN (1) CN102812227B (pt)
BR (1) BR112012022907A2 (pt)
DE (1) DE112011100884T5 (pt)
WO (1) WO2011110910A1 (pt)

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JP5829954B2 (ja) 2012-03-09 2015-12-09 トヨタ自動車株式会社 内燃機関の燃料噴射制御装置
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JP6787140B2 (ja) * 2017-01-12 2020-11-18 トヨタ自動車株式会社 内燃機関の制御装置
JP7408962B2 (ja) 2019-09-10 2024-01-09 マツダ株式会社 ディーゼルエンジンの制御装置
JP7379966B2 (ja) 2019-09-10 2023-11-15 マツダ株式会社 ディーゼルエンジンの制御装置
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CN114592985B (zh) * 2022-03-21 2022-11-08 中国第一汽车股份有限公司 一种多次喷射喷油控制方法、车辆及存储介质

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JP4479764B2 (ja) * 2007-08-31 2010-06-09 株式会社デンソー 燃料噴射制御装置およびそれを用いた燃料噴射システム
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Also Published As

Publication number Publication date
JP5045773B2 (ja) 2012-10-10
US20120323468A1 (en) 2012-12-20
WO2011110910A1 (en) 2011-09-15
JP2011190725A (ja) 2011-09-29
DE112011100884T5 (de) 2012-12-27
US9051895B2 (en) 2015-06-09
CN102812227A (zh) 2012-12-05
CN102812227B (zh) 2015-08-05

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B11E Dismissal acc. art. 34 of ipl - requirements for examination incomplete
B11T Dismissal of application maintained [chapter 11.20 patent gazette]