JP6337098B2 - 電磁式燃料噴射弁の制御装置 - Google Patents
電磁式燃料噴射弁の制御装置 Download PDFInfo
- Publication number
- JP6337098B2 JP6337098B2 JP2016514828A JP2016514828A JP6337098B2 JP 6337098 B2 JP6337098 B2 JP 6337098B2 JP 2016514828 A JP2016514828 A JP 2016514828A JP 2016514828 A JP2016514828 A JP 2016514828A JP 6337098 B2 JP6337098 B2 JP 6337098B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- period
- valve
- current
- lift
- 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
Links
- 238000002347 injection Methods 0.000 title claims description 172
- 239000007924 injection Substances 0.000 title claims description 172
- 239000000446 fuel Substances 0.000 title claims description 141
- 238000000034 method Methods 0.000 description 22
- 238000002485 combustion reaction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 238000012937 correction Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
Images
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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
-
- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
- F02D41/2464—Characteristics of actuators
- F02D41/2467—Characteristics of actuators for injectors
-
- 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
-
- 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
-
- 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
- F02M51/0635—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding
- F02M51/0642—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto
- F02M51/0653—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto the valve being an elongated body, e.g. a needle valve
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve 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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/2003—Output circuits, e.g. for controlling currents in command coils using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening
-
- 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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2024—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit the control switching a load after time-on and time-off pulses
- F02D2041/2027—Control of the current by pulse width modulation or duty cycle control
-
- 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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2037—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit for preventing bouncing of the valve needle
-
- 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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2055—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit with means for determining actual opening or closing time
-
- 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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2058—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using information of the actual current value
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Fuel-Injection Apparatus (AREA)
Description
目標電流値612を適合などにより最適化することを指す。
ピーク電流供給期間609の長さもしくはピーク電流値610の少なくとも1つ以上と電流遮断期間(T605からT606)の長さ、もしくは電流遮断時の目標電流のいずれか1つ以上を補正すれば良いが、ここでは、リフト量と相関のある実開弁期間711を用いた補正について説明をする。
106 ・・・高電圧生成手段
108 ・・・燃料噴射弁
109 ・・・バッテリ電圧
601 ・・・パルス信号
602 ・・・駆動電流
603 ・・・リフト量調整期間
609 ・・・ピーク電流供給期間
610 ・・・ピーク電流値
611 ・・・開弁可能最低保証電流値
612 ・・・目標電流値
613 ・・・開弁保持可能最低保証電流値
Claims (4)
- 燃料噴射弁を構成する弁体を開閉させるソレノイドに駆動電流を供給する駆動手段と、バッテリ電圧、及び前記バッテリ電圧を昇圧した昇圧電圧を選択的に切り換えて前記ソレノイドに印加するように前記駆動手段を制御する制御手段を備えた電磁式燃料噴射弁の制御装置において、
前記制御手段は、(1)前記昇圧電圧を印加して前記弁体が開弁動作に必要な磁力を発生させるピーク駆動電流を供給するピーク駆動電流供給期間と、(2)前記ピーク駆動電流供給期間の後に続く電流遮断期間と、(3)前記電流遮断期間の後に続き、前記バッテリ電圧を印加して前記ピーク駆動電流より小さいリフト調整電流を所定期間だけ通電するリフト量調整期間とを設定して前記駆動手段を制御し、
前記ピーク駆動電流供給期間においては、複数の前記燃料噴射弁の機差ばらつきに基づいて予め定められた開弁可能最低保証電流値以上の前記駆動電流が前記ソレノイドに供給され、
前記電流遮断期間は、前記駆動電流が前記開弁可能最低保証電流値以上の電流値となった後に前記昇圧電圧の印加を遮断することで、前記ピーク駆動電流供給期間に生じた前記弁体の開弁方向の力を相殺するように設定され、
前記リフト量調整期間においては、前記リフト調整電流として、開弁保持可能最低保証電流値以上の電流値が前記ソレノイドに供給され、
更に前記制御手段は、前記開弁可能最低保証電流値以上の前記駆動電流を前記ソレノイドに供給した場合における前記弁体の最低リフト量が、前記制御手段から前記駆動電流が供給される複数の前記燃料噴射弁の間で所定の範囲内に収まるように、前記ピーク駆動電流供給期間または前記ピーク駆動電流供給期間に供給される前記ピーク駆動電流の電流値を補正し、
前記制御手段は、前記弁体がフルリフトした状態での燃料噴射特性と、フルリフトする前のハーフリフトした状態での燃料噴射特性の傾きに差が生じないように、前記リフト量調整期間における前記リフト調整電流の電流値を時間経過によって可変にする
ことを特徴とする電磁式燃料噴射弁の制御装置。 - 請求項1記載の電磁式燃料噴射弁の制御装置において、
前記制御手段は、前記ピーク駆動電流供給期間の開始を噴射パルスのONタイミングに基づいて設定し、前記リフト量調整期間の終了を前記噴射パルスのOFFタイミングに基づいて設定し、前記噴射パルスの長さに応じて前記リフト量調整期間を調整するように前記駆動手段を制御する
ことを特徴とする電磁式燃料噴射弁の制御装置。 - 請求項2記載の電磁式燃料噴射弁の制御装置において、
前記制御手段は、前記電流遮断期間では前記ソレノイドに前記バッテリ電圧、及び前記昇圧電圧とは逆向きの負の電圧を印加するように前記駆動手段を制御する
ことを特徴とする電磁式燃料噴射弁の制御装置。 - 請求項3記載の電磁式燃料噴射弁の制御装置において、
前記制御手段は、前記弁体のフルリフト時のリフト量と最小リフト量の割合とを用いて、前記ピーク駆動電流供給期間、または前記ピーク駆動電流供給期間に供給される前記ピーク駆動電流の電流値を補正する
ことを特徴とする電磁式燃料噴射弁の制御装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014090820 | 2014-04-25 | ||
JP2014090820 | 2014-04-25 | ||
PCT/JP2015/059020 WO2015163077A1 (ja) | 2014-04-25 | 2015-03-25 | 電磁式燃料噴射弁の制御装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018040443A Division JP2018109411A (ja) | 2014-04-25 | 2018-03-07 | 電磁式燃料噴射弁の制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2015163077A1 JPWO2015163077A1 (ja) | 2017-04-13 |
JP6337098B2 true JP6337098B2 (ja) | 2018-06-06 |
Family
ID=54332247
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016514828A Active JP6337098B2 (ja) | 2014-04-25 | 2015-03-25 | 電磁式燃料噴射弁の制御装置 |
JP2018040443A Pending JP2018109411A (ja) | 2014-04-25 | 2018-03-07 | 電磁式燃料噴射弁の制御装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018040443A Pending JP2018109411A (ja) | 2014-04-25 | 2018-03-07 | 電磁式燃料噴射弁の制御装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10711721B2 (ja) |
EP (1) | EP3135886B1 (ja) |
JP (2) | JP6337098B2 (ja) |
CN (1) | CN106255815B (ja) |
WO (1) | WO2015163077A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3135886B1 (en) * | 2014-04-25 | 2020-05-13 | Hitachi Automotive Systems, Ltd. | Control device for electromagnetic fuel injection valve |
GB2534172A (en) * | 2015-01-15 | 2016-07-20 | Gm Global Tech Operations Llc | Method of energizing a solenoidal fuel injector for an internal combustion engine |
DE102016223564A1 (de) * | 2015-11-30 | 2017-06-01 | Robert Bosch Engineering and Business Solutions Ltd. | Ansteurungs- und steuerungsmodul für einen injektor und betriebsverfahren dafür |
US10989154B2 (en) * | 2016-05-03 | 2021-04-27 | Vitesco Technologies GmbH | Fuel injector with an idle stroke |
JP2017210891A (ja) * | 2016-05-24 | 2017-11-30 | ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 燃料噴射弁通電制御方法及びコモンレール式燃料噴射制御装置 |
JP6717176B2 (ja) * | 2016-12-07 | 2020-07-01 | 株式会社デンソー | 噴射制御装置 |
WO2018155084A1 (ja) * | 2017-02-21 | 2018-08-30 | 日立オートモティブシステムズ株式会社 | 電子制御装置および電子制御装置の異常正常判定方法 |
JP6614201B2 (ja) * | 2017-05-19 | 2019-12-04 | 株式会社デンソー | 燃料噴射制御装置 |
US10443533B2 (en) * | 2017-10-23 | 2019-10-15 | GM Global Technology Operations LLC | Mild hybrid powertrain with simplified fuel injector boost |
US10900391B2 (en) | 2018-06-13 | 2021-01-26 | Vitesco Technologies USA, LLC. | Engine control system and method for controlling activation of solenoid valves |
JP7016414B2 (ja) * | 2018-07-03 | 2022-02-04 | 日立Astemo株式会社 | 電磁弁駆動装置 |
US20200025122A1 (en) * | 2018-07-17 | 2020-01-23 | Continental Automotive Systems, Inc. | Engine control system and method for controlling activation of solenoid valves |
US11401879B2 (en) | 2018-12-19 | 2022-08-02 | Hitachi Astemo, Ltd. | Fuel injection control device |
JP7306830B2 (ja) * | 2019-01-09 | 2023-07-11 | 株式会社Soken | 制御装置 |
JP7266705B2 (ja) | 2019-11-21 | 2023-04-28 | 日立Astemo株式会社 | 燃料噴射制御装置 |
WO2022153612A1 (ja) * | 2021-01-12 | 2022-07-21 | 日立Astemo株式会社 | 燃料噴射制御装置 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06129323A (ja) * | 1992-10-15 | 1994-05-10 | Nippondenso Co Ltd | 燃料噴射装置 |
US5878720A (en) | 1997-02-26 | 1999-03-09 | Caterpillar Inc. | Hydraulically actuated fuel injector with proportional control |
JP3932474B2 (ja) * | 1999-07-28 | 2007-06-20 | 株式会社日立製作所 | 電磁式燃料噴射装置及び内燃機関 |
US6298829B1 (en) * | 1999-10-15 | 2001-10-09 | Westport Research Inc. | Directly actuated injection valve |
EP1884655A1 (en) * | 1999-10-15 | 2008-02-06 | Westport Power Inc. | Directly actuated injection valve |
JP4214675B2 (ja) * | 2000-11-27 | 2009-01-28 | 株式会社デンソー | 燃料噴射装置 |
JP4470134B2 (ja) * | 2001-01-04 | 2010-06-02 | 株式会社デンソー | 噴射量制御方法、噴射装置および噴射システム |
JP2002266722A (ja) | 2001-03-14 | 2002-09-18 | Nissan Motor Co Ltd | 燃料噴射弁 |
US6766788B2 (en) * | 2002-01-31 | 2004-07-27 | Visteon Global Technologies, Inc. | Pre-charging strategy for fuel injector fast opening |
DE102006016892A1 (de) * | 2006-04-11 | 2007-10-25 | Robert Bosch Gmbh | Verfahren zur Steuerung wenigstens eines Magnetventils |
GB0616713D0 (en) * | 2006-08-23 | 2006-10-04 | Delphi Tech Inc | Piezoelectric fuel injectors |
DE102006058744A1 (de) * | 2006-12-12 | 2008-06-19 | Robert Bosch Gmbh | Verfahren zum Betreiben eines Einspritzventils |
US7689343B2 (en) * | 2007-04-24 | 2010-03-30 | Gm Global Technology Operations, Inc. | Method and apparatus for enabling control of fuel injection for an engine operating in an auto-ignition mode |
JP5074448B2 (ja) | 2009-04-17 | 2012-11-14 | 日立オートモティブシステムズ株式会社 | 燃料噴射制御装置 |
US20120080536A1 (en) * | 2010-10-05 | 2012-04-05 | GM Global Technology Operations LLC | Method for controlling a fuel injector |
DE102011002764A1 (de) * | 2011-01-17 | 2012-07-19 | Robert Bosch Gmbh | Verfahren zur Ansteuerung eines Injektors in einer Kraftstoffeinspritzanlage in einer Brennkraftmaschine |
GB201207289D0 (en) * | 2011-06-14 | 2012-06-06 | Sentec Ltd | Flux switch actuator |
JP5358621B2 (ja) | 2011-06-20 | 2013-12-04 | 日立オートモティブシステムズ株式会社 | 燃料噴射装置 |
JP5754357B2 (ja) * | 2011-11-18 | 2015-07-29 | 株式会社デンソー | 内燃機関の燃料噴射制御装置 |
JP5727395B2 (ja) | 2012-01-16 | 2015-06-03 | 日立オートモティブシステムズ株式会社 | 内燃機関の制御装置 |
JP5982484B2 (ja) * | 2012-06-21 | 2016-08-31 | 日立オートモティブシステムズ株式会社 | 内燃機関の制御装置 |
JP5874607B2 (ja) * | 2012-11-05 | 2016-03-02 | 株式会社デンソー | 燃料噴射制御装置および燃料噴射システム |
WO2015004988A1 (ja) * | 2013-07-10 | 2015-01-15 | 日立オートモティブシステムズ株式会社 | 内燃機関の制御装置 |
CN105378265B (zh) * | 2013-07-29 | 2017-12-08 | 日立汽车***株式会社 | 燃料喷射装置的驱动装置以及燃料喷射*** |
EP3135886B1 (en) * | 2014-04-25 | 2020-05-13 | Hitachi Automotive Systems, Ltd. | Control device for electromagnetic fuel injection valve |
-
2015
- 2015-03-25 EP EP15783225.4A patent/EP3135886B1/en active Active
- 2015-03-25 JP JP2016514828A patent/JP6337098B2/ja active Active
- 2015-03-25 CN CN201580022527.7A patent/CN106255815B/zh active Active
- 2015-03-25 WO PCT/JP2015/059020 patent/WO2015163077A1/ja active Application Filing
- 2015-03-25 US US15/306,269 patent/US10711721B2/en active Active
-
2018
- 2018-03-07 JP JP2018040443A patent/JP2018109411A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US10711721B2 (en) | 2020-07-14 |
US20170051696A1 (en) | 2017-02-23 |
CN106255815B (zh) | 2020-05-22 |
JP2018109411A (ja) | 2018-07-12 |
CN106255815A (zh) | 2016-12-21 |
JPWO2015163077A1 (ja) | 2017-04-13 |
EP3135886B1 (en) | 2020-05-13 |
WO2015163077A1 (ja) | 2015-10-29 |
EP3135886A4 (en) | 2018-01-10 |
EP3135886A1 (en) | 2017-03-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6337098B2 (ja) | 電磁式燃料噴射弁の制御装置 | |
JP6677792B2 (ja) | 燃料噴射装置の駆動装置 | |
US9435281B2 (en) | Method for reducing performance variation of an electromagnetically-activated actuator | |
JP5698938B2 (ja) | 燃料噴射装置の駆動装置及び燃料噴射システム | |
JP6233080B2 (ja) | 燃料噴射制御装置 | |
US9726099B2 (en) | Actuator with feed forward control | |
US20160298565A1 (en) | Fuel injection controller and fuel injection system | |
US10060399B2 (en) | Method and apparatus for optimum drive signal control of an electromagnetically-activated actuator | |
KR20150119872A (ko) | 자기 인젝터의 분사 과정을 제어하기 위한 방법 | |
CN112368499B (zh) | 电磁阀驱动装置 | |
US20190010889A1 (en) | Optimization of current injection profile for solenoid injectors | |
JP2014092089A (ja) | 燃料噴射制御装置および燃料噴射システム | |
JP2001132524A (ja) | 燃料噴射制御装置 | |
JP6561184B2 (ja) | 燃料噴射装置の駆動装置 | |
KR102161370B1 (ko) | 아이들 행정을 갖는 연료 분사기를 동작시키는 방법 | |
JP6186402B2 (ja) | 電磁弁装置の駆動装置 | |
CN107949694B (zh) | 燃料喷射控制装置 | |
JP6386129B2 (ja) | 燃料噴射装置の駆動装置 | |
JP2004278411A (ja) | 内燃機関用電磁弁の駆動装置 | |
JP6328067B2 (ja) | 内燃機関の燃料噴射制御装置 | |
JP5799130B2 (ja) | 電磁弁装置の駆動装置及び電磁弁装置 | |
JP7139223B2 (ja) | 燃料噴射装置の制御装置 | |
JP2019196774A (ja) | 燃料噴射装置の駆動装置 | |
JP2008175119A (ja) | インジェクタ制御装置 | |
JP2016027264A (ja) | 燃料噴射制御装置および燃料噴射システム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20161024 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20161024 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170613 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170727 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170919 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20171212 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180307 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20180315 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20180410 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20180507 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6337098 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |