JP2006503205A - 内燃機関のためのコモンレール式燃料噴射システムの運転法 - Google Patents
内燃機関のためのコモンレール式燃料噴射システムの運転法 Download PDFInfo
- Publication number
- JP2006503205A JP2006503205A JP2004543924A JP2004543924A JP2006503205A JP 2006503205 A JP2006503205 A JP 2006503205A JP 2004543924 A JP2004543924 A JP 2004543924A JP 2004543924 A JP2004543924 A JP 2004543924A JP 2006503205 A JP2006503205 A JP 2006503205A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- pump
- fuel
- control valve
- pressure control
- 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.)
- Granted
Links
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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
- F02D41/3836—Controlling the fuel pressure
- F02D41/3845—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped
-
- 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
- F02D41/3082—Control of electrical fuel pumps
-
- 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
- F02D41/3809—Common rail control systems
- F02D41/3836—Controlling the fuel pressure
- F02D41/3863—Controlling the fuel pressure by controlling the flow out of the common rail, e.g. using pressure relief valves
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/04—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps
- F02M59/06—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps with cylinders arranged radially to driving shaft, e.g. in V or star arrangement
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
- F02M59/366—Valves being actuated 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0001—Fuel-injection apparatus with specially arranged lubricating system, e.g. by fuel oil
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
- F02M63/023—Means for varying pressure in common rails
- F02M63/0235—Means for varying pressure in common rails by bleeding fuel pressure
- F02M63/025—Means for varying pressure in common rails by bleeding fuel pressure from the common rail
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/31—Control of the fuel pressure
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
本発明の方法により、内燃機関の同期に関して重要な、例えば30%未満のポンプ部材充填効率を有する部分負荷範囲において、充填効率は、規定された漏れをコモンレールの圧力制御弁に生ぜしめることによって高めることができる。ポンプ部材の充填効率を高めることによって、個々のポンプ部材の圧送量の差が減少し、このことは、コモンレール内のより一定な圧力及びより改善された内燃機関の回転にポジティブに現れる。
以下に、本発明の実施例を図面につき詳しく説明する。
Claims (12)
- 燃料高圧ポンプ(17)を設け、該燃料高圧ポンプ(17)に複数のポンプ部材(19)を装備し、燃料高圧ポンプ(17)の吸込み側に調量弁(47)を配置し、ポンプ部材(19)によって吸い込まれた燃料量を調量弁(47)によって制御することができ、コモンレール(25)及び圧力制御弁(51)を設け、コモンレール(25)内の圧力を圧力制御弁(51)によって制御する内燃機関の燃料噴射システムの運転法において、
燃料高圧ポンプ(17)によって圧送される圧送量(mHDP,eff)を検出若しくは算出し、該圧送量(mHDP,eff)が予め規定された限界値(mGrenz)よりも少ない場合は圧力制御弁(51)を制御し、これにより、規定された漏れを圧力制御弁(51)に発生させ、予め規定された目標圧力(pSoll)がコモンレール内に生ぜしめられるように調量弁(47)を制御することを特徴とする、内燃機関のためのコモンレール式燃料噴射システムの運転法。 - 限界値(mGrenz)を自由に選択することが可能である、請求項1記載の方法。
- 圧力制御弁(51)の閉鎖力を、所要の規定された漏れが圧力制御弁(51)に発生するように減少させる、請求項1又は2記載の方法。
- 圧力制御弁(51)の閉鎖力を、該圧力制御弁(51)が無給電状態の時間間隔と、圧力制御弁(51)が給電状態の時間間隔との間の比率を変えることによって制御する、請求項3記載の方法。
- 圧力制御弁(51)を、コモンレール(25)内の目標圧力、燃料高圧ポンプ(17)が駆動される回転数又はエンジン回転数に関連して制御する、請求項1から4までのいずれか1項記載の方法。
- 燃料高圧ポンプ(17)の目下の圧送量(mHDP,eff)が、適用される限界値(mGrenz)よりも少ない場合にのみ適用する、請求項1から5までのいずれか1項記載の方法。
- 圧力制御弁(51)の制御を1つ又は複数の特性フィールドにメモリする、請求項1から6までのいずれか1項記載の方法。
- 圧力制御弁(51)を制御装置によって制御する、請求項1から7までのいずれか1項記載の方法。
- 燃料高圧ポンプ(17)の圧送量(mHDP,eff)を、調量弁(47)を通流する燃料量から求める、請求項1から8までのいずれか1項記載の方法。
- 請求項1から9までのいずれか1項記載の方法を実施するのに適したコンピュータプログラム。
- メモリ媒体にメモリ可能なコンピュータプログラム。
- 請求項1から8までのいずれか1項記載の方法を実施するのに適した、内燃機関の燃料噴射システム用の制御装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10247564A DE10247564A1 (de) | 2002-10-11 | 2002-10-11 | Verfahren zum Betreiben eines Common-Rail-Kraftstoffeinspritzsystems für Brennkraftmaschinen |
PCT/DE2003/002086 WO2004036034A1 (de) | 2002-10-11 | 2003-06-23 | Verfahren zum betreiben eines common-rail-kraftstoffeinspritzsystems für brennkraftmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006503205A true JP2006503205A (ja) | 2006-01-26 |
JP4317133B2 JP4317133B2 (ja) | 2009-08-19 |
Family
ID=32038548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004543924A Expired - Fee Related JP4317133B2 (ja) | 2002-10-11 | 2003-06-23 | 内燃機関のためのコモンレール式燃料噴射システムの運転法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7059302B2 (ja) |
EP (1) | EP1556609B1 (ja) |
JP (1) | JP4317133B2 (ja) |
DE (2) | DE10247564A1 (ja) |
WO (1) | WO2004036034A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009138649A (ja) * | 2007-12-07 | 2009-06-25 | Bosch Corp | 内燃機関の燃料供給装置及び燃料供給装置の異常判定装置 |
JP2011190800A (ja) * | 2010-03-12 | 2011-09-29 | Man Diesel & Turbo Se | 内燃機関の燃料供給設備の吸入弁 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005188432A (ja) * | 2003-12-26 | 2005-07-14 | Bosch Automotive Systems Corp | 燃料供給装置 |
DE102004037963A1 (de) * | 2004-08-05 | 2006-03-16 | Robert Bosch Gmbh | Prüfverfahren |
DE102005033638A1 (de) * | 2005-07-19 | 2007-01-25 | Robert Bosch Gmbh | Kraftstoff-Fördereinrichtung, insbesondere für eine Brennkraftmaschine |
WO2007083404A1 (ja) * | 2006-01-20 | 2007-07-26 | Bosch Corporation | 内燃機関の燃料噴射システム |
DE102006018164B3 (de) * | 2006-04-19 | 2007-08-30 | Siemens Ag | Verfahren und Vorrichtung zur Steuerung einer Einspritzanlage für eine Brennkraftmaschine |
EP1923565B1 (en) | 2006-11-16 | 2010-05-05 | C.R.F. Societa Consortile per Azioni | Improvement to a fuel-injection system for an internal-combustion engine |
EP1923562B1 (en) | 2006-11-16 | 2011-11-02 | C.R.F. Società Consortile per Azioni | Fuel adjustment and filtering device for a high-pressure pump |
DE102007032740B4 (de) * | 2007-07-13 | 2021-05-20 | Robert Bosch Gmbh | Adapter zur Druckmessung |
DE102007059352B3 (de) * | 2007-12-10 | 2009-06-18 | Continental Automotive Gmbh | Kraftstoffdruckregelsystem und Kraftstoffdruckregelverfahren |
DE102008002174A1 (de) | 2008-06-03 | 2009-12-10 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Betreiben eines Kraftstoffeinspritzsystems einer Brennkraftmaschine |
DE102008040238A1 (de) | 2008-07-08 | 2010-01-14 | Robert Bosch Gmbh | Vorrichtung zur Versorgung einer Verbrennungskraftmaschine mit Treibstoff |
DE102008041384A1 (de) | 2008-08-20 | 2010-02-25 | Robert Bosch Gmbh | Vorrichtung zur Versorgung einer Verbrennungskraftmaschine mit Treibstoff |
DE102008041380A1 (de) | 2008-08-20 | 2010-02-25 | Robert Bosch Gmbh | Vorrichtung zur Versorgung einer Verbrennungskraftmaschine mit Kraftstoff |
DE102008041362A1 (de) | 2008-08-20 | 2010-02-25 | Robert Bosch Gmbh | Vorrichtung zur Versorgung einer Verbrennungskraftmaschine mit Treibstoff |
IT1392190B1 (it) * | 2008-12-12 | 2012-02-22 | Bosch Gmbh Robert | Valvola di sovra-pressione per un impianto di alimentazione di combustibile e impianto di alimentazione di combustibile comprendente tale valvola di sovrapressione |
ATE497102T1 (de) * | 2009-02-16 | 2011-02-15 | Fiat Ricerche | System zur kraftstoffeinspritzung für einen verbrennungsmotor |
DE102009014072B4 (de) * | 2009-03-20 | 2014-09-25 | Continental Automotive Gmbh | Common-Rail-Einspritzsystem sowie Verfahren zur Druckentlastung eines Common-Rail-Einspritzsystems |
DE102009031527B3 (de) * | 2009-07-02 | 2010-11-18 | Mtu Friedrichshafen Gmbh | Verfahren zur Steuerung und Regelung einer Brennkraftmaschine |
DE102010039874B4 (de) * | 2010-08-27 | 2015-10-08 | Continental Automotive Gmbh | Verfahren und Vorrichtung zum Betreiben eines Kraftstoff-Hochdruckspeichereinspritzsystems für eine Brennkraftmaschine |
CN102619665B (zh) * | 2012-03-09 | 2014-11-26 | 无锡威孚高科技集团股份有限公司 | 电控蓄压分配式共轨装置 |
FR3043141B1 (fr) * | 2015-10-29 | 2017-11-03 | Continental Automotive France | Procede de verification de la fonctionnalite d'un systeme d'alimentation en carburant haute pression d'un moteur a combustion interne |
FR3056644B1 (fr) * | 2016-09-23 | 2018-11-02 | Continental Automotive France | Procede de commande d'une pompe a carburant pour un vehicule automobile |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19612412B4 (de) * | 1996-03-28 | 2006-07-06 | Siemens Ag | Regelung für ein Druckfluid-Versorgungssystem, insbesondere für den Hochdruck in einem Kraftstoff-Einspritzsystem |
DE19618932C2 (de) * | 1996-05-10 | 2001-02-01 | Siemens Ag | Vorrichtung und Verfahren zur Regelung des Kraftstoffdruckes in einem Hochdruckspeicher |
DE19834120A1 (de) * | 1998-07-29 | 2000-02-03 | Bosch Gmbh Robert | Kraftstoffversorgungsanlage einer Brennkraftmaschine |
DE19846157A1 (de) * | 1998-10-07 | 2000-04-13 | Bosch Gmbh Robert | Pumpenanordnung zur Kraftstoffhochdruckerzeugung |
DE19853823A1 (de) * | 1998-11-21 | 2000-05-25 | Bosch Gmbh Robert | Verfahren zum Betreiben einer Brennkraftmaschine insbesondere eines Kraftfahrzeugs |
DE19860672A1 (de) * | 1998-12-29 | 2000-07-13 | Bosch Gmbh Robert | Kolbenpumpe zur Kraftstoffhochdruckerzeugung |
US6694950B2 (en) * | 1999-02-17 | 2004-02-24 | Stanadyne Corporation | Hybrid control method for fuel pump using intermittent recirculation at low and high engine speeds |
IT1310754B1 (it) * | 1999-11-30 | 2002-02-22 | Elasis Sistema Ricerca Fiat | Sistema di valvole per il controllo della pressione di ingresso di unliquido in una pompa ad alta pressione, e relativa valvola di |
IT1320684B1 (it) * | 2000-10-03 | 2003-12-10 | Fiat Ricerche | Dispositivo di controllo della portata di una pompa ad alta pressionein un impianto di iniezione a collettore comune del combustibile di un |
DE10057244A1 (de) * | 2000-11-18 | 2002-06-06 | Bosch Gmbh Robert | Kraftstoffeinspritzanlage für Brennkraftmaschinen mit verbessertem Startverhalten |
DE10100700C1 (de) * | 2001-01-10 | 2002-08-01 | Bosch Gmbh Robert | Kraftstoffeinspritzsystem mit Druckregelung in der Rücklaufleitung |
DE10139055A1 (de) * | 2001-08-08 | 2003-02-27 | Bosch Gmbh Robert | Verfahren, Computerprogramm, Steuer- und/oder Regelgerät sowie Kraftstoffsystem für eine Brennkraftmaschine |
DE10146740A1 (de) * | 2001-09-22 | 2003-04-10 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine |
-
2002
- 2002-10-11 DE DE10247564A patent/DE10247564A1/de not_active Withdrawn
-
2003
- 2003-06-23 EP EP03740102A patent/EP1556609B1/de not_active Expired - Lifetime
- 2003-06-23 US US10/504,961 patent/US7059302B2/en not_active Expired - Fee Related
- 2003-06-23 JP JP2004543924A patent/JP4317133B2/ja not_active Expired - Fee Related
- 2003-06-23 WO PCT/DE2003/002086 patent/WO2004036034A1/de active IP Right Grant
- 2003-06-23 DE DE50308024T patent/DE50308024D1/de not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009138649A (ja) * | 2007-12-07 | 2009-06-25 | Bosch Corp | 内燃機関の燃料供給装置及び燃料供給装置の異常判定装置 |
JP2011190800A (ja) * | 2010-03-12 | 2011-09-29 | Man Diesel & Turbo Se | 内燃機関の燃料供給設備の吸入弁 |
Also Published As
Publication number | Publication date |
---|---|
EP1556609A1 (de) | 2005-07-27 |
WO2004036034A1 (de) | 2004-04-29 |
EP1556609B1 (de) | 2007-08-22 |
JP4317133B2 (ja) | 2009-08-19 |
DE10247564A1 (de) | 2004-04-22 |
US20050103313A1 (en) | 2005-05-19 |
DE50308024D1 (de) | 2007-10-04 |
US7059302B2 (en) | 2006-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4317133B2 (ja) | 内燃機関のためのコモンレール式燃料噴射システムの運転法 | |
JP4434097B2 (ja) | 蓄圧式燃料噴射制御装置 | |
JP4123952B2 (ja) | 内燃機関の燃料供給システム | |
US9587579B2 (en) | Current pulsing control methods for lift fuel pumps | |
JP4453623B2 (ja) | 燃料噴射装置および燃料噴射装置の異常検出方法 | |
JP4492664B2 (ja) | 燃料供給量推定装置及び燃料圧送噴射システム | |
US7789071B2 (en) | Fuel supply system for an internal combustion engine | |
US7216628B2 (en) | Fuel injection apparatus having common rail and subject device control system | |
JP4253484B2 (ja) | 内燃機関用の燃料噴射装置 | |
JP4386016B2 (ja) | 燃料噴射制御装置 | |
JP2007231929A (ja) | デューティ比制御装置 | |
JP2007239610A (ja) | エンジンの目標燃圧設定装置及び目標燃圧設定方法 | |
JP5989406B2 (ja) | 燃料圧力制御装置 | |
JP4600371B2 (ja) | 燃料噴射制御装置 | |
JP2003097327A (ja) | 内燃機関の駆動方法 | |
JP4120630B2 (ja) | 内燃機関の高圧燃料供給装置およびその設計方法 | |
JP2009221906A (ja) | 筒内噴射式内燃機関の低圧ポンプ制御装置 | |
JPH07310620A (ja) | 燃料噴射ポンプ | |
JP6022986B2 (ja) | 燃料供給システム | |
JP2002098029A (ja) | 燃料調量システムの作動方法、燃料調量システム、直接噴射内燃機関、直接噴射内燃機関用制御装置および該制御装置用制御素子 | |
JPH11247683A (ja) | エンジンの燃料噴射装置 | |
JP5202722B2 (ja) | 蓄圧式燃料噴射装置の制御装置 | |
JP5314106B2 (ja) | 燃料供給システム | |
JP4329653B2 (ja) | 蓄圧式燃料噴射装置 | |
JP2003336512A (ja) | 2サイクルエンジンの潤滑油ポンプ制御方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060621 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080905 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20081204 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20081211 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20090105 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20090113 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090130 |
|
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: 20090423 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20090521 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120529 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130529 Year of fee payment: 4 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |