JP2022554022A - 動的スキップ点火エンジンにおける排出ガス再循環制御 - Google Patents
動的スキップ点火エンジンにおける排出ガス再循環制御 Download PDFInfo
- Publication number
- JP2022554022A JP2022554022A JP2022527997A JP2022527997A JP2022554022A JP 2022554022 A JP2022554022 A JP 2022554022A JP 2022527997 A JP2022527997 A JP 2022527997A JP 2022527997 A JP2022527997 A JP 2022527997A JP 2022554022 A JP2022554022 A JP 2022554022A
- Authority
- JP
- Japan
- Prior art keywords
- engine
- gas recirculation
- exhaust gas
- exhaust
- pattern
- 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
Links
- 238000010304 firing Methods 0.000 claims abstract description 102
- 238000000034 method Methods 0.000 claims abstract description 50
- 238000002485 combustion reaction Methods 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims description 74
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 48
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 24
- 239000001301 oxygen Substances 0.000 claims description 24
- 229910052760 oxygen Inorganic materials 0.000 claims description 24
- 238000007599 discharging Methods 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 description 12
- 238000005086 pumping Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 230000009849 deactivation Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003252 repetitive 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
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/42—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders
- F02M26/43—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders in which exhaust from only one cylinder or only a group of cylinders is directed to the intake of the engine
-
- 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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0047—Controlling exhaust gas recirculation [EGR]
- F02D41/005—Controlling exhaust gas recirculation [EGR] according to engine operating conditions
-
- 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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0047—Controlling exhaust gas recirculation [EGR]
- F02D41/005—Controlling exhaust gas recirculation [EGR] according to engine operating conditions
- F02D41/0052—Feedback control of engine parameters, e.g. for control of air/fuel ratio or intake air amount
-
- 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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0047—Controlling exhaust gas recirculation [EGR]
- F02D41/0065—Specific aspects of external EGR control
- F02D41/0072—Estimating, calculating or determining the EGR rate, amount or flow
-
- 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
- F02D41/008—Controlling each cylinder individually
- F02D41/0087—Selective cylinder activation, i.e. partial cylinder operation
-
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/146—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration
-
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/146—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration
- F02D41/1461—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration of the exhaust gases emitted by the engine
-
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10373—Sensors for intake systems
- F02M35/10393—Sensors for intake systems for characterising a multi-component mixture, e.g. for the composition such as humidity, density or viscosity
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0406—Intake manifold pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/101—Engine speed
-
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
-
- 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
Abstract
Description
この出願は、2019年12月17日に出願の米国特許出願第62/949,216号の優先権を主張し、その内容全体を参照により本明細書に引用したものとする。
Claims (27)
- スキップ点火制御内燃エンジンで点火パターンを選択する方法において、前記エンジンは、吸気マニホールド及び排出システムを有し、前記方法は、
所望の排出ガス再循環流量を判定するステップと、
排出ガス再循環弁の位置を判定するステップと、
前記所望の排出ガス再循環流量及び前記排出ガス再循環弁の前記位置に少なくとも部分的に基づいて点火パターンを選択するステップと、
を含むことを特徴とする方法。 - 請求項1に記載の方法において、
エンジン速度を判定するステップと、
点火パターンを判定するステップと、
前記吸気マニホールドのブースト圧力を判定するステップと、
前記エンジン速度、前記点火比、及び前記ブースト圧力に少なくとも部分的に基づいて最大排出ガス再循環流量を計算するステップと、
を更に含むことを特徴とする方法。 - 請求項2に記載の方法において、
前記所望の排出ガス再循環流量を前記最大排出ガス再循環流量と比較するステップ、
を更に含むことを特徴とする方法。 - 請求項3に記載の方法において、
前記所望の排出ガス再循環流量が前記最大ガス再循環流量を超える場合、新しい点火パターンを選択するステップ、
を更に含むことを特徴とする方法。 - 請求項2に記載の方法において、
弁タイミングを判定するステップと、
前記弁タイミングに少なくとも部分的に基づいて前記最大排出ガス再循環流量を計算するステップと、
を更に含むことを特徴とする方法。 - 請求項5に記載の方法において、
前記所望の排出ガス再循環流量を前記最大排出ガス再循環流量と比較するステップ、
を更に含むことを特徴とする方法。 - 請求項6に記載の方法において、
前記所望の排出ガス再循環流量が前記最大ガス再循環流量を超える場合、新しい点火パターンを選択するステップ、
を更に含むことを特徴とする方法。 - 請求項1に記載の方法において、
前記吸気マニホールドにおける酸素レベルを判定するステップと、
前記酸素レベルが、事前定義閾値量を超える分だけ所望の酸素レベルから外れる場合、前記点火パターン又は前記排出ガス再循環弁位置を調整するステップと、
を更に含むことを特徴とする方法。 - 請求項1に記載の方法において、
前記排出システムにおける窒素酸化物のレベルを判定するステップと、
窒素酸化物の前記レベルが事前定義閾値を超える場合、前記点火パターン又は前記排出ガス再循環弁位置を調整するステップと、
を更に含むことを特徴とする方法。 - 請求項1に記載の方法において、
前記点火パターンは、点火を出来るだけ均等に分布させることにならないことを特徴とする方法。 - 請求項1に記載の方法において、
前記選択点火パターンは、第1の排気マニホールドに直接放出しないシリンダーよりも前記第1の排気マニホールドに直接放出する多くのシリンダーを点火することを特徴とする方法。 - 請求項1に記載の方法において、
前記点火パターンにおける少なくとも1つのスキップ作業サイクルは、ポンピング作業サイクルであることを特徴とする方法。 - 請求項1に記載の方法において、
前記選択点火パターンは、前記第1の排気マニホールドに放出するシリンダー点火の数のエンジンサイクル間の変動を減少することを特徴とする方法。 - 請求項1に記載の方法において、
前記選択点火パターンは、前記第1の排気マニホールドに放出するシリンダー点火の数よりも第2の排気マニホールドに放出するシリンダー点火の数のエンジンサイクル間の大きい変動を有することを特徴とする方法。 - スキップ点火制御ターボチャージャー内燃エンジンにおいて、前記エンジンは、吸気マニホールド、排出ガス再循環システム、及び少なくとも2つの排気マニホールドを有する排出システムを有し、
前記排出システムに接続されている排出ガス再循環供給線であって、第2の排気マニホールドよりも第1の排気マニホールドに多くの直接流体接続部を有する排出ガス再循環供給線と、
所望の排出ガス再循環流量に少なくとも部分的に基づいて点火パターンを判定するエンジン制御システムと、
を含むことを特徴とするスキップ点火制御ターボチャージャー内燃エンジン。 - 請求項15に記載のエンジンにおいて、
前記吸気マニホールドに設置されている酸素センサーを更に含み、前記酸素センサーからの信号をフィードバックループの一部として使用して、前記所望の排出ガス再循環流量を判定することを特徴とするエンジン。 - 請求項15に記載のエンジンにおいて、
前記排出に設置されている、窒素酸化物のレベルを測定するセンサーを更に含み、前記窒素酸化物センサーからの信号をフィードバックループの一部として使用して、前記所望の排出ガス再循環流量を判定することを特徴とするエンジン。 - 請求項15乃至17の何れか1項に記載のエンジンにおいて、
前記エンジン制御システムは、第1の制御アルゴリズムを使用して、前記第1の排気マニホールドに放出するシリンダーに対する第1の点火パターンを制御し、第2の制御アルゴリズムを使用して、前記第2の排気マニホールドに放出するシリンダーに対する第2の点火パターンを制御することを特徴とするエンジン。 - 請求項18に記載のエンジンにおいて、
前記点火パターンは、点火を出来るだけ均等に分布させることにならないことを特徴とするエンジン。 - 請求項18に記載のエンジンにおいて、
前記エンジンは、複数のシリンダーを有し、前記点火パターンは、前記エンジンにおけるシリンダーの数の少なくとも2倍である反復パターン長を有することを特徴とするエンジン。 - 請求項2乃至7及び9乃至14の何れか1項に記載の方法において、
前記吸気マニホールドにおける酸素レベルを判定するステップと、
前記酸素レベルが、事前定義閾値量を超える分だけ所望の酸素レベルから外れる場合、前記点火パターン又は前記排出ガス再循環弁位置を調整するステップと、
を更に含むことを特徴とする方法。 - 請求項2乃至8、10乃至14及び21の何れか1項に記載の方法において、
前記排出システムにおける窒素酸化物のレベルを判定するステップと、
窒素酸化物の前記レベルが事前定義閾値を超える場合、前記点火パターン又は前記排出ガス再循環弁位置を調整するステップと、
を更に含むことを特徴とする方法。 - 請求項2乃至9、11乃至14及び21乃至22の何れか1項に記載の方法において、
前記点火パターンは、点火を出来るだけ均等に分布させることにならないことを特徴とする方法。 - 請求項2乃至10、12乃至14及び21乃至23の何れか1項に記載の方法において、
前記選択点火パターンは、第1の排気マニホールドに直接放出しないシリンダーよりも前記第1の排気マニホールドに直接放出する多くのシリンダーを点火することを特徴とする方法。 - 請求項2乃至11、13乃至14及び21乃至24の何れか1項に記載の方法において、
前記点火パターンにおける少なくとも1つのスキップ作業サイクルは、ポンピング作業サイクルであることを特徴とする方法。 - 請求項2乃至12、14及び21乃至25の何れか1項に記載の方法において、
前記選択点火パターンは、前記第1の排気マニホールドに放出するシリンダー点火の数のエンジンサイクル間の変動を減少することを特徴とする方法。 - 請求項15乃至16及び請求項18乃至20の何れか1項に記載のエンジンにおいて、
前記排出に設置されている、窒素酸化物のレベルを測定するセンサーを更に含み、前記窒素酸化物センサーからの信号をフィードバックループの一部として使用して、前記所望の排出ガス再循環流量を判定することを特徴とするエンジン。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962949216P | 2019-12-17 | 2019-12-17 | |
US62/949,216 | 2019-12-17 | ||
PCT/US2020/062897 WO2021126529A1 (en) | 2019-12-17 | 2020-12-02 | Exhaust gas recirculation control in a dynamic skip fire engine |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2022554022A true JP2022554022A (ja) | 2022-12-27 |
Family
ID=76316217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022527997A Pending JP2022554022A (ja) | 2019-12-17 | 2020-12-02 | 動的スキップ点火エンジンにおける排出ガス再循環制御 |
Country Status (6)
Country | Link |
---|---|
US (2) | US11441519B2 (ja) |
EP (1) | EP4045785A4 (ja) |
JP (1) | JP2022554022A (ja) |
KR (1) | KR20220112834A (ja) |
CN (1) | CN114930007B (ja) |
WO (1) | WO2021126529A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021126529A1 (en) | 2019-12-17 | 2021-06-24 | Tula Technology, Inc. | Exhaust gas recirculation control in a dynamic skip fire engine |
US20220307434A1 (en) * | 2021-03-26 | 2022-09-29 | Tula Technology, Inc. | Deceleration management for dynamic skip fire |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140053802A1 (en) * | 2012-08-24 | 2014-02-27 | GM Global Technology Operations LLC | Cylinder deactivation pattern matching |
US20160108828A1 (en) * | 2014-10-17 | 2016-04-21 | Ford Global Technologies, Llc | If method and system for engine knock control |
JP2018512534A (ja) * | 2015-03-23 | 2018-05-17 | トゥラ テクノロジー インコーポレイテッドTula Technology,Inc. | 減速気筒カットオフ |
Family Cites Families (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5553575A (en) * | 1995-06-16 | 1996-09-10 | Servojet Products International | Lambda control by skip fire of unthrottled gas fueled engines |
WO2002010187A1 (en) * | 2000-07-27 | 2002-02-07 | Mayo Foundation For Medical Education And Research | B7-h3 and b7-h4, novel immunoregulatory molecules |
US6601387B2 (en) * | 2001-12-05 | 2003-08-05 | Detroit Diesel Corporation | System and method for determination of EGR flow rate |
US7913675B2 (en) * | 2005-10-06 | 2011-03-29 | Caterpillar Inc. | Gaseous fuel engine charge density control system |
US8131447B2 (en) | 2008-07-11 | 2012-03-06 | Tula Technology, Inc. | Internal combustion engine control for improved fuel efficiency |
US8616181B2 (en) | 2008-07-11 | 2013-12-31 | Tula Technology, Inc. | Internal combustion engine control for improved fuel efficiency |
US9689327B2 (en) | 2008-07-11 | 2017-06-27 | Tula Technology, Inc. | Multi-level skip fire |
US7577511B1 (en) | 2008-07-11 | 2009-08-18 | Tula Technology, Inc. | Internal combustion engine control for improved fuel efficiency |
US8336521B2 (en) | 2008-07-11 | 2012-12-25 | Tula Technology, Inc. | Internal combustion engine control for improved fuel efficiency |
US8511281B2 (en) | 2009-07-10 | 2013-08-20 | Tula Technology, Inc. | Skip fire engine control |
JP5254154B2 (ja) | 2009-08-17 | 2013-08-07 | 日本碍子株式会社 | ガスセンサ |
US8640457B2 (en) * | 2009-10-13 | 2014-02-04 | General Electric Company | System and method for operating a turbocharged engine |
US8381700B2 (en) * | 2009-12-03 | 2013-02-26 | GM Global Technology Operations LLC | Systems and methods for exhaust gas recirculation control in homogeneous charge compression ignition engine systems |
US8869773B2 (en) | 2010-12-01 | 2014-10-28 | Tula Technology, Inc. | Skip fire internal combustion engine control |
US10253731B2 (en) * | 2011-03-03 | 2019-04-09 | Ge Global Sourcing Llc | Method and systems for exhaust gas control |
US8904786B2 (en) * | 2011-04-13 | 2014-12-09 | GM Global Technology Operations LLC | Internal combustion engine |
US9316165B2 (en) * | 2011-05-23 | 2016-04-19 | General Electric Company | Method for exhaust gas recirculation rate control |
US8985088B2 (en) * | 2012-07-31 | 2015-03-24 | General Electric Company | Systems and methods for controlling exhaust gas recirculation |
US9745905B2 (en) * | 2011-10-17 | 2017-08-29 | Tula Technology, Inc. | Skip fire transition control |
CN107120203B (zh) | 2011-10-17 | 2018-05-15 | 图拉技术公司 | 跳过点火发动机控制中的点火分数管理 |
US9790867B2 (en) * | 2012-07-31 | 2017-10-17 | Tula Technology, Inc. | Deceleration cylinder cut-off |
US8943798B2 (en) * | 2012-10-12 | 2015-02-03 | Ford Global Technologies, Llc | Methods and systems for ammonia slip detection |
US9581097B2 (en) * | 2014-01-08 | 2017-02-28 | Tula Technology, Inc. | Determination of a high pressure exhaust spring in a cylinder of an internal combustion engine |
US9726091B2 (en) * | 2013-03-15 | 2017-08-08 | Cummins Inc. | Active control of one or more EGR loops |
US9399964B2 (en) | 2014-11-10 | 2016-07-26 | Tula Technology, Inc. | Multi-level skip fire |
WO2015066671A2 (en) * | 2013-11-04 | 2015-05-07 | Cummins Inc. | Systems and methods for controlling egr flow during transient conditions |
US9212614B2 (en) * | 2013-11-21 | 2015-12-15 | Cummins Inc. | Thermal management for regenerating an aftertreatment device |
DE102014201215B4 (de) * | 2014-01-23 | 2022-09-29 | Ford Global Technologies, Llc | Aufgeladene Brennkraftmaschine mit Teilabschaltungund Verfahren zum Betreiben einer derartigen Brennkraftmaschine |
US9631581B2 (en) * | 2014-06-06 | 2017-04-25 | Electro-Motive Diesel, Inc. | Donor cylinder engine system implementing skip firing |
US20170218863A1 (en) * | 2014-10-03 | 2017-08-03 | Cummins Inc. | Method and device to control exhaust gas recirculation |
US10508606B2 (en) * | 2014-10-22 | 2019-12-17 | Ge Global Sourcing Llc | Method and systems for airflow control |
CN107110039B (zh) * | 2015-01-12 | 2019-03-01 | 图拉技术公司 | 跳过点火式发动机控制系统中的噪声、振动和声振粗糙度降低 |
US10060368B2 (en) * | 2015-01-12 | 2018-08-28 | Tula Technology, Inc. | Engine torque smoothing |
US10344692B2 (en) * | 2015-01-12 | 2019-07-09 | Tula Technology, Inc. | Adaptive torque mitigation by micro-hybrid system |
DE102015207595B3 (de) * | 2015-04-24 | 2016-07-21 | Ford Global Technologies, Llc | Verfahren zum Regenerieren eines NOx-Speicherkatalysators eines eine Zylinderabschaltung aufweisenden Verbrennungsmotors und Vorrichtung zum Durchführen des Verfahrens |
DE102016219548B4 (de) * | 2015-11-04 | 2023-12-14 | Ford Global Technologies, Llc | Ammoniak-Schlupf-Detektion |
US11199162B2 (en) * | 2016-01-19 | 2021-12-14 | Eaton Intelligent Power Limited | In-cylinder EGR and VVA for aftertreatment temperature control |
US9777658B2 (en) * | 2016-02-17 | 2017-10-03 | Tula Technology, Inc. | Skip fire transition control |
US10267249B2 (en) * | 2016-04-27 | 2019-04-23 | Ge Global Sourcing Llc | Systems for an engine |
US10100761B2 (en) * | 2017-02-17 | 2018-10-16 | Ford Global Technologies, Llc | Method and system for selective cylinder deactivation |
US10233856B2 (en) * | 2017-03-23 | 2019-03-19 | Ford Global Technologies, Llc | Systems and methods for a variable displacement engine |
US11073051B2 (en) * | 2019-06-24 | 2021-07-27 | GM Global Technology Operations LLC | Combination oil control valve and fuel injector driver |
WO2021126529A1 (en) | 2019-12-17 | 2021-06-24 | Tula Technology, Inc. | Exhaust gas recirculation control in a dynamic skip fire engine |
-
2020
- 2020-12-02 WO PCT/US2020/062897 patent/WO2021126529A1/en unknown
- 2020-12-02 CN CN202080087721.4A patent/CN114930007B/zh active Active
- 2020-12-02 JP JP2022527997A patent/JP2022554022A/ja active Pending
- 2020-12-02 KR KR1020227024261A patent/KR20220112834A/ko unknown
- 2020-12-02 EP EP20903412.3A patent/EP4045785A4/en active Pending
- 2020-12-03 US US17/110,917 patent/US11441519B2/en active Active
-
2022
- 2022-08-08 US US17/883,338 patent/US11624341B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140053802A1 (en) * | 2012-08-24 | 2014-02-27 | GM Global Technology Operations LLC | Cylinder deactivation pattern matching |
US20160108828A1 (en) * | 2014-10-17 | 2016-04-21 | Ford Global Technologies, Llc | If method and system for engine knock control |
JP2018512534A (ja) * | 2015-03-23 | 2018-05-17 | トゥラ テクノロジー インコーポレイテッドTula Technology,Inc. | 減速気筒カットオフ |
Also Published As
Publication number | Publication date |
---|---|
US11624341B2 (en) | 2023-04-11 |
US11441519B2 (en) | 2022-09-13 |
US20220372925A1 (en) | 2022-11-24 |
CN114930007B (zh) | 2023-01-10 |
EP4045785A4 (en) | 2023-11-29 |
WO2021126529A1 (en) | 2021-06-24 |
KR20220112834A (ko) | 2022-08-11 |
US20210180544A1 (en) | 2021-06-17 |
EP4045785A1 (en) | 2022-08-24 |
CN114930007A (zh) | 2022-08-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11008995B2 (en) | Dynamic charge compression ignition engine with multiple aftertreatment systems | |
US7810328B2 (en) | Parallel-sequential turbocharging for improved exhaust temperature control | |
RU2581684C2 (ru) | Система рециркуляции выхлопных газов с фиксированным содержанием | |
US6988365B2 (en) | Dual loop exhaust gas recirculation system for diesel engines and method of operation | |
US10823029B2 (en) | Determining firing density of a skip fire controlled lean-burn engine using air-fuel ratio and exhaust temperatures | |
EP1036270B1 (en) | Arrangement for a combustion engine | |
US11624341B2 (en) | Exhaust gas recirculation control in an internal combustion engine | |
KR20060133531A (ko) | 연료의 후기 직접 실린더 분사를 사용하는 엔진들에서 낮은배출, 제어된 온도 연소를 위한 방법들 | |
US9739213B2 (en) | Methods for turbocharged engine with cylinder deactivation and variable valve timing | |
JP2005517115A (ja) | 停止状態にできるシリンダを備える内燃機関 | |
CN114930008B (zh) | 优化燃烧方案以改善可变排量发动机的发动机性能和排放 | |
JP5050897B2 (ja) | 内燃機関の制御装置 | |
US20210040908A1 (en) | Deceleration cylinder cut off and turbocharger rotational speed management | |
US20220412277A1 (en) | Exhaust gas recirculation flow control for reducing emissions with variable displacement internal combustion engines | |
GB2446916A (en) | I.c. engine exhaust system with twin turbochargers | |
JP6939986B2 (ja) | 内燃機関の排気浄化装置の温度制御方法及び内燃機関の制御装置 | |
CN203769966U (zh) | 机械增压的内燃发动机 | |
WO2022087546A1 (en) | Deceleration cylinder cut off and turbocharger rotational speed management | |
JP2004132318A (ja) | 内燃機関の排気浄化装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220729 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220729 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20220729 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230207 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20230420 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230707 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230926 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20240416 |