JP6738716B2 - 内燃機関の制御装置 - Google Patents
内燃機関の制御装置 Download PDFInfo
- Publication number
- JP6738716B2 JP6738716B2 JP2016227939A JP2016227939A JP6738716B2 JP 6738716 B2 JP6738716 B2 JP 6738716B2 JP 2016227939 A JP2016227939 A JP 2016227939A JP 2016227939 A JP2016227939 A JP 2016227939A JP 6738716 B2 JP6738716 B2 JP 6738716B2
- Authority
- JP
- Japan
- Prior art keywords
- control
- mode
- air
- intake
- combustion engine
- 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.)
- Expired - Fee Related
Links
- 238000002485 combustion reaction Methods 0.000 title claims description 89
- 230000006835 compression Effects 0.000 claims description 63
- 238000007906 compression Methods 0.000 claims description 63
- 239000000446 fuel Substances 0.000 claims description 61
- 238000002347 injection Methods 0.000 claims description 33
- 239000007924 injection Substances 0.000 claims description 33
- 239000000203 mixture Substances 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 description 20
- 238000010586 diagram Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 12
- 238000002360 preparation method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000000979 retarding effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 230000004043 responsiveness Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
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
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0406—Layout of the intake air cooling or coolant circuit
- F02B29/0418—Layout of the intake air cooling or coolant circuit the intake air cooler having a bypass or multiple flow paths within the heat exchanger to vary the effective heat transfer surface
-
- 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
- F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
- F02D41/3064—Controlling fuel injection according to or using specific or several modes of combustion with special control during transition between modes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0223—Variable control of the intake valves only
- F02D13/0226—Variable control of the intake valves only changing valve lift or valve lift and timing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0261—Controlling the valve overlap
- F02D13/0265—Negative valve overlap for temporarily storing residual gas in the cylinder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D37/00—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for
- F02D37/02—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for one of the functions being ignition
-
- 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
-
- 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
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
- F02D41/3017—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used
- F02D41/3035—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the premixed charge compression-ignition mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/045—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions combined with electronic control of other engine functions, e.g. fuel injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
- F02P5/15—Digital data processing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
- F02P5/15—Digital data processing
- F02P5/1502—Digital data processing using one central computing unit
- F02P5/1504—Digital data processing using one central computing unit with particular means during a transient phase, e.g. acceleration, deceleration, gear change
-
- 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
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/12—Engines characterised by fuel-air mixture compression with compression ignition
-
- 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
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
- F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
-
- 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
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
-
- 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
- F02D2041/001—Controlling intake air for engines with variable valve actuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
- F02P5/15—Digital data processing
- F02P5/1502—Digital data processing using one central computing unit
- F02P5/1516—Digital data processing using one central computing unit with means relating to exhaust gas recirculation, e.g. turbo
-
- 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
-
- 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
Description
Claims (6)
- シリンダ内の空燃比と圧縮端温度とが相互に異なる複数の燃焼モードを実施する内燃機関の制御装置であって、
前記複数の燃焼モードのうち火花点火燃焼モードから圧縮自己着火燃焼モードに切り替える途中に、前記火花点火燃焼モードの空燃比および前記圧縮自己着火燃焼モードの空燃比とは異なる空燃比を維持しつつ、前記圧縮端温度を増加させる均質リーン火花点火燃焼モードを実施する、
内燃機関の制御装置。 - 前記均質リーン火花点火燃焼モードでは、前記シリンダ内の空気量と前記圧縮端温度とを増加させながら、前記空燃比を維持する、
請求項1に記載の内燃機関の制御装置。 - 前記シリンダ内への吸気圧を増大させる制御と、吸気バルブの作用角を増大させる制御とのうちの少なくとも何れか一つによって、前記シリンダ内の空気量を増大させる、
請求項2に記載の内燃機関の制御装置。 - 前記シリンダ内の前記空気量と燃料噴射量とを増大させながら、点火時期を遅角化する制御によって、前記空燃比を維持する、
請求項2又は3に記載の内燃機関の制御装置。 - 前記火花点火燃焼モードでは、前記空燃比を量論混合比近傍に維持する、
請求項1乃至4の何れか一項に記載の内燃機関の制御装置。 - 前記シリンダに流入する吸入空気量を制御するためのバイパスバルブが、インタークーラの下流側に設けられており、
吸気バルブの閉時期をピストン下死点近傍に近付ける制御と、前記吸気バルブの開時期を排気バルブの閉時期よりも遅らせるマイナスオーバーラップ制御と、前記インタークーラの前記バイパスバルブを閉じる制御とのうちの少なくとも何れか一つによって、前記圧縮端温度を増加させる、
請求項1乃至5の何れか一項に記載の内燃機関の制御装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016227939A JP6738716B2 (ja) | 2016-11-24 | 2016-11-24 | 内燃機関の制御装置 |
PCT/JP2017/039484 WO2018096884A1 (ja) | 2016-11-24 | 2017-11-01 | 内燃機関の制御装置 |
CN201780067056.0A CN109964019B (zh) | 2016-11-24 | 2017-11-01 | 内燃机的控制装置 |
US16/341,251 US10941726B2 (en) | 2016-11-24 | 2017-11-01 | Control device for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016227939A JP6738716B2 (ja) | 2016-11-24 | 2016-11-24 | 内燃機関の制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018084201A JP2018084201A (ja) | 2018-05-31 |
JP6738716B2 true JP6738716B2 (ja) | 2020-08-12 |
Family
ID=62195472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016227939A Expired - Fee Related JP6738716B2 (ja) | 2016-11-24 | 2016-11-24 | 内燃機関の制御装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10941726B2 (ja) |
JP (1) | JP6738716B2 (ja) |
CN (1) | CN109964019B (ja) |
WO (1) | WO2018096884A1 (ja) |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005048751A (ja) * | 2003-07-31 | 2005-02-24 | Nissan Motor Co Ltd | エンジンの制御装置 |
JP2005048749A (ja) * | 2003-07-31 | 2005-02-24 | Nissan Motor Co Ltd | エンジンの制御装置 |
JP2005048746A (ja) * | 2003-07-31 | 2005-02-24 | Nissan Motor Co Ltd | 内燃機関の燃焼制御装置 |
JP2007016685A (ja) | 2005-07-07 | 2007-01-25 | Nissan Motor Co Ltd | 内燃機関の制御装置 |
CN100363597C (zh) * | 2006-01-19 | 2008-01-23 | 清华大学 | 一种实现汽油机配气相位快速切换的装置及其方法 |
JP2007247479A (ja) * | 2006-03-15 | 2007-09-27 | Hitachi Ltd | 圧縮着火式内燃機関の制御装置 |
CN101016868B (zh) * | 2006-04-03 | 2013-05-15 | 天津大学 | 基于全可变气门机构节能超低排放双模式均质压燃发动机 |
JP4687633B2 (ja) * | 2006-11-14 | 2011-05-25 | 株式会社豊田自動織機 | 予混合圧縮着火機関 |
JP4821588B2 (ja) * | 2006-11-30 | 2011-11-24 | 株式会社豊田自動織機 | 予混合圧縮着火機関 |
US7481185B1 (en) * | 2007-08-14 | 2009-01-27 | Robert Bosch Gmbh | Multi-mode 2-stroke/4-stroke internal combustion engine |
JP4642095B2 (ja) * | 2008-06-13 | 2011-03-02 | 日立オートモティブシステムズ株式会社 | エンジンの制御装置及び制御方法 |
DE102010000741A1 (de) * | 2010-01-08 | 2011-07-14 | Robert Bosch GmbH, 70469 | Verfahren zum Umschalten zwischen einer HCCI-Verbrennung und einer SI-Verbrennung in einem Reaktor einer Brennkraftmaschine |
US8616182B2 (en) * | 2010-05-24 | 2013-12-31 | GM Global Technology Operations LLC | Method and apparatus for controlling an internal combustion engine coupled to a passive selective catalytic reduction aftertreatment system |
JP5500104B2 (ja) | 2011-02-24 | 2014-05-21 | マツダ株式会社 | 火花点火式ガソリンエンジンの制御装置 |
US9222432B2 (en) * | 2011-11-22 | 2015-12-29 | Robert Bosch Gmbh | Path planning during combustion mode switch |
US9002623B2 (en) * | 2012-08-02 | 2015-04-07 | GM Global Technology Operations LLC | Fully flexible exhaust valve actuator control systems and methods |
JP5870951B2 (ja) * | 2013-03-25 | 2016-03-01 | マツダ株式会社 | 火花点火式エンジンの制御装置 |
JP6320882B2 (ja) * | 2014-09-11 | 2018-05-09 | 日立オートモティブシステムズ株式会社 | 内燃機関の可変燃焼システム |
-
2016
- 2016-11-24 JP JP2016227939A patent/JP6738716B2/ja not_active Expired - Fee Related
-
2017
- 2017-11-01 CN CN201780067056.0A patent/CN109964019B/zh active Active
- 2017-11-01 WO PCT/JP2017/039484 patent/WO2018096884A1/ja active Application Filing
- 2017-11-01 US US16/341,251 patent/US10941726B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN109964019B (zh) | 2021-10-22 |
US10941726B2 (en) | 2021-03-09 |
US20190316540A1 (en) | 2019-10-17 |
CN109964019A (zh) | 2019-07-02 |
JP2018084201A (ja) | 2018-05-31 |
WO2018096884A1 (ja) | 2018-05-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7769525B2 (en) | Apparatus and method for controlling a homogeneous charge compression-ignited internal-combustion engine | |
JP4326044B2 (ja) | 4サイクル内燃機関 | |
JP5668763B2 (ja) | 多気筒内燃機関の制御装置 | |
JP4062870B2 (ja) | 内燃機関の燃焼制御装置 | |
US10704523B2 (en) | Control system of compression-ignition engine | |
WO2011125208A1 (ja) | 内燃機関の燃焼制御装置 | |
JP2001152919A (ja) | 圧縮自己着火式ガソリン機関 | |
WO2002014665A1 (fr) | Moteur a combustion interne par compression | |
CN110513208B (zh) | 压缩着火式发动机的控制装置 | |
JP5040772B2 (ja) | エンジンの吸気弁制御方法及び吸気弁制御装置 | |
JP2007205181A (ja) | 4サイクル内燃機関 | |
JP4311604B2 (ja) | 自己着火エンジンの制御装置 | |
JP2010144558A (ja) | エンジンの制御方法および制御装置 | |
WO2020040014A1 (ja) | 内燃機関の制御装置及び内燃機関の制御方法 | |
JP2007132217A (ja) | 圧縮自着火エンジンの燃焼制御装置 | |
JP7088049B2 (ja) | 圧縮着火式エンジンの制御装置 | |
JP2021088983A (ja) | 圧縮自着火エンジンの制御装置 | |
JP6738716B2 (ja) | 内燃機関の制御装置 | |
JP7205258B2 (ja) | 圧縮着火式エンジンの制御装置 | |
JP7379857B2 (ja) | エンジンの制御装置および制御方法 | |
JP7238571B2 (ja) | エンジンの制御方法およびエンジンの制御装置 | |
WO2020009006A1 (ja) | 内燃機関の可変動弁システム及びその制御装置 | |
JP2020176593A (ja) | エンジンの制御方法および制御装置 | |
JP2020176594A (ja) | エンジンの制御方法および制御装置 | |
JP2020176570A (ja) | 予混合圧縮着火式エンジンの制御装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190731 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200421 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200619 |
|
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: 20200707 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200720 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6738716 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 |
|
LAPS | Cancellation because of no payment of annual fees |