JP4905591B2 - 高膨張比内燃機関 - Google Patents
高膨張比内燃機関 Download PDFInfo
- Publication number
- JP4905591B2 JP4905591B2 JP2010511413A JP2010511413A JP4905591B2 JP 4905591 B2 JP4905591 B2 JP 4905591B2 JP 2010511413 A JP2010511413 A JP 2010511413A JP 2010511413 A JP2010511413 A JP 2010511413A JP 4905591 B2 JP4905591 B2 JP 4905591B2
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- Prior art keywords
- valve
- internal combustion
- phase
- combustion engine
- intake valve
- 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.)
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- 238000002485 combustion reaction Methods 0.000 title claims description 80
- 230000006835 compression Effects 0.000 claims description 36
- 238000007906 compression Methods 0.000 claims description 36
- 230000007423 decrease Effects 0.000 claims description 10
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 22
- 230000003111 delayed effect Effects 0.000 description 10
- 239000000446 fuel Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/20—Shapes or constructions of valve members, not provided for in preceding subgroups of this group
-
- 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
- F02D13/0234—Variable control of the intake valves only changing the valve timing only
- F02D13/0238—Variable control of the intake valves only changing the valve timing only by shifting the phase, i.e. the opening periods of the valves are constant
-
- 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
- F02D13/0257—Independent control of two or more intake or exhaust valves respectively, i.e. one of two intake valves remains closed or is opened partially while the other is fully opened
-
- 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
- F02D13/0269—Controlling the valves to perform a Miller-Atkinson cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
- F01L1/181—Centre pivot rocking arms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
- F01L1/185—Overhead end-pivot rocking arms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/20—Adjusting or compensating clearance
- F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
- F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
- F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L2003/25—Valve configurations in relation to engine
- F01L2003/251—Large number of valves, e.g. five or more
-
- 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
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/32—Miller cycle
-
- 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
- F02D2041/002—Controlling intake air by simultaneous control of throttle and variable valve actuation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Valve Device For Special Equipments (AREA)
Description
内燃機関の機械圧縮比を変更する可変圧縮比機構と、
複数の吸気バルブの一部を位相可変とし且つ残りを位相固定とした可変動弁機構と、
内燃機関が低負荷運転状態にあるときに、位相可変の吸気バルブの閉弁時期が位相固定の吸気バルブの閉弁時期に対して遅くなるように可変動弁機構を制御する制御手段と、
を備えるようにした。
2 シリンダブロック
3 シリンダヘッド
4 クランクケース
5 気筒
6 ピストン
7 クランクシャフト
8 コネクティングロッド
9 駆動部
10 燃焼室
11 吸気ポート
12 排気ポート
13 吸気バルブ
13a 第1吸気バルブ
13b 第2吸気バルブ
14 排気バルブ
15 バルブ駆動機構
16 点火プラグ
17 燃料噴射弁
150 吸気カムシャフト
151 排気カムシャフト
152 位相可変機構
153 吸気側歯車
154 排気側歯車
155 第1吸気カム
156 第1ロッカーアーム
157 排気カム
158 第2吸気カム
159 第2ロッカーアーム
160 ロッカーシャフト
先ず、本発明の第1の実施例について図1〜図9に基づいて説明する。図1は、本発明に係る高膨張比内燃機関の概略構成を示す図である。
次に、本発明の第2の実施例について図10に基づいて説明する。ここでは、前述した第1の実施例と異なる構成について説明し、同様の構成については説明を省略する。
Claims (11)
- 内燃機関の機械圧縮比を変更する可変圧縮比機構と、
気筒に配置された複数の吸気バルブの一部を位相可変とし且つ残りの吸気バルブを位相固定とした可変動弁機構と、
内燃機関が低負荷運転状態にあるときに、内燃機関の機械圧縮比が高くなるように前記可変圧縮比機構を制御するとともに位相可変の吸気バルブの閉弁時期が位相固定の吸気バルブの閉弁時期に対して遅くなるように可変動弁機構を制御する制御手段と、
を備えることを特徴とする高膨張比内燃機関。 - 請求項1において、前記可変動弁機構は、位相可変の吸気バルブの作用角が位相固定の吸気バルブの作用角より大きく構成されることを特徴とする高膨張比内燃機関。
- 請求項2において、前記制御手段は、内燃機関が高負荷運転状態にあるときは、内燃機関の機械圧縮比が低くなるように前記可変圧縮比機構を制御するとともに位相可変の吸気バルブの開弁時期が位相固定の吸気バルブの開弁時期より早くなるように前記可変動弁機構を制御することを特徴とする高膨張比内燃機関。
- 請求項3において、位相可変の吸気バルブの作用角は、該吸気バルブの開弁時期が前記内燃機関の高負荷運転時における目標開弁時期まで進角された場合に、該吸気バルブの閉弁時期が位相固定の吸気バルブの閉弁時期以降となるように設定されることを特徴とする高膨張比内燃機関。
- 請求項4において、前記制御手段は、前記内燃機関が高負荷運転状態にあり且つ機関回転数が予め定められた所定回転数以下である場合には位相可変の吸気バルブの閉弁時期を位相固定の吸気バルブの閉弁時期に同期させ、前記内燃機関が高負荷運転状態にあり且つ機関回転数が前記所定回転数より高い場合には位相可変の吸気バルブの閉弁時期を位相固定の吸気バルブの閉弁時期より遅くなるように前記可変動弁機構を制御することを特徴とする高膨張比内燃機関。
- 請求項1において、前記可変動弁機構は、位相可変の吸気バルブのカーテン面積が位相固定の吸気バルブのカーテン面積より大きくなるように構成されることを特徴とする高膨
張比内燃機関。 - 請求項6において、前記可変動弁機構は、位相可変の吸気バルブの弁径が位相固定の吸気バルブの弁径より大きくなるように構成されることを特徴とする高膨張比内燃機関。
- 請求項6において、前記可変動弁機構は、位相可変の吸気バルブの個数が位相固定の吸気バルブの個数より多くなるように構成されることを特徴とする高膨張比内燃機関。
- 請求項1において、前記可変動弁機構は、位相可変の吸気バルブの閉弁動作時におけるカーテン面積の減少速度が位相固定の吸気バルブの閉弁動作時におけるカーテン面積の減少速度に対して大きくなるように構成されることを特徴とする高膨張比内燃機関。
- 請求項9において、前記可変動弁機構は、位相可変の吸気バルブのリフト量が位相固定の吸気バルブのリフト量より多くなるように構成されることを特徴とする高膨張比内燃機関。
- 請求項9において、前記可変動弁機構は、位相可変の吸気バルブの閉弁動作速度が位相固定の吸気バルブの閉弁動作速度より大きくなるように構成されることを特徴とする高膨張比内燃機関。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2009/051492 WO2010086987A1 (ja) | 2009-01-29 | 2009-01-29 | 高膨張比内燃機関 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP4905591B2 true JP4905591B2 (ja) | 2012-03-28 |
JPWO2010086987A1 JPWO2010086987A1 (ja) | 2012-07-26 |
Family
ID=42395257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010511413A Expired - Fee Related JP4905591B2 (ja) | 2009-01-29 | 2009-01-29 | 高膨張比内燃機関 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8695544B2 (ja) |
JP (1) | JP4905591B2 (ja) |
CN (1) | CN101861452B (ja) |
WO (1) | WO2010086987A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009048716A1 (de) * | 2009-10-08 | 2011-04-14 | Daimler Ag | Brennkraftmaschine |
JP5625732B2 (ja) * | 2010-10-21 | 2014-11-19 | トヨタ自動車株式会社 | エンジン |
WO2012105509A1 (ja) * | 2011-01-31 | 2012-08-09 | 日産自動車株式会社 | 内燃機関 |
JP2015510071A (ja) | 2012-02-09 | 2015-04-02 | メンドラー,エドワード,チャールズ | 可変圧縮比エンジン |
CN104321517B (zh) * | 2012-05-17 | 2016-02-24 | 日产自动车株式会社 | 内燃机的控制装置以及控制方法 |
EP2837804A1 (en) * | 2013-08-13 | 2015-02-18 | Caterpillar Motoren GmbH & Co. KG | Operating internal combustion engines |
CN104533564A (zh) * | 2014-12-19 | 2015-04-22 | 朱譞晟 | 一种双重阿特金森循环内燃机 |
KR102394575B1 (ko) | 2017-11-20 | 2022-05-04 | 현대자동차 주식회사 | 연속 가변 밸브 듀레이션 장치 및 이를 포함하는 엔진 |
KR101807036B1 (ko) * | 2015-12-11 | 2017-12-08 | 현대자동차 주식회사 | 연속 가변 밸브 듀레이션 엔진의 밸브 타이밍 제어 시스템 및 방법 |
CN107435593B (zh) * | 2016-05-26 | 2019-11-01 | 长城汽车股份有限公司 | 发动机组件和具有其的车辆 |
US10358988B2 (en) * | 2017-03-27 | 2019-07-23 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Internal combustion engine |
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JPH0331518A (ja) * | 1989-06-27 | 1991-02-12 | Mitsubishi Motors Corp | 圧縮比可変式高膨張比サイクルエンジン |
JPH0388907A (ja) * | 1989-08-31 | 1991-04-15 | Suzuki Motor Corp | 内燃機関の可変バルブ機構 |
JP2007303423A (ja) * | 2006-05-12 | 2007-11-22 | Toyota Motor Corp | 火花点火式内燃機関 |
JP2008175127A (ja) * | 2007-01-18 | 2008-07-31 | Nissan Motor Co Ltd | エンジンの燃焼制御方法及び燃焼制御装置 |
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-
2009
- 2009-01-29 US US12/678,602 patent/US8695544B2/en active Active
- 2009-01-29 CN CN2009801004365A patent/CN101861452B/zh not_active Expired - Fee Related
- 2009-01-29 WO PCT/JP2009/051492 patent/WO2010086987A1/ja active Application Filing
- 2009-01-29 JP JP2010511413A patent/JP4905591B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0331518A (ja) * | 1989-06-27 | 1991-02-12 | Mitsubishi Motors Corp | 圧縮比可変式高膨張比サイクルエンジン |
JPH0388907A (ja) * | 1989-08-31 | 1991-04-15 | Suzuki Motor Corp | 内燃機関の可変バルブ機構 |
JP2007303423A (ja) * | 2006-05-12 | 2007-11-22 | Toyota Motor Corp | 火花点火式内燃機関 |
JP2008175127A (ja) * | 2007-01-18 | 2008-07-31 | Nissan Motor Co Ltd | エンジンの燃焼制御方法及び燃焼制御装置 |
Also Published As
Publication number | Publication date |
---|---|
US20120017876A1 (en) | 2012-01-26 |
US8695544B2 (en) | 2014-04-15 |
CN101861452A (zh) | 2010-10-13 |
JPWO2010086987A1 (ja) | 2012-07-26 |
CN101861452B (zh) | 2013-02-27 |
WO2010086987A1 (ja) | 2010-08-05 |
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