JP4758364B2 - 多重リフトサイクルに従ってバルブ駆動によって内燃エンジンにおける負荷及び燃焼を制御するためのシステム及び方法 - Google Patents
多重リフトサイクルに従ってバルブ駆動によって内燃エンジンにおける負荷及び燃焼を制御するためのシステム及び方法 Download PDFInfo
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims description 14
- 239000012530 fluid Substances 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 claims 3
- 230000033001 locomotion Effects 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005086 pumping Methods 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000009849 deactivation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Classifications
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- 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
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
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- 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
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
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- 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
- F02D13/0203—Variable control of intake and exhaust valves
- F02D13/0207—Variable control of intake and exhaust valves changing valve lift or valve lift and timing
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- 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
- F02D13/0273—Multiple actuations of a valve within an engine cycle
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- 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
- F01L1/3442—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 using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/34423—Details relating to the hydraulic feeding circuit
- F01L2001/34446—Fluid accumulators for the feeding circuit
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- 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
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Valve Device For Special Equipments (AREA)
Description
少なくとも一つのシリンダと、
シリンダに連関し、それぞれの吸気パイプ及び排気パイプによってガスの流れを制御するように駆動された少なくとも一つの吸気バルブ及び一つの排気バルブと、を備えて、
エンジンの少なくとも一つのバルブは、エンジンの作動状態が変化するときに、バルブの異なった開閉時間と異なったリフト・プロファイルとを与えるように設計された電子制御可変駆動手段によって制御されるタイプの内燃エンジンに関する。
2 空洞
3 ベース面
7 吸気バルブ
11 カム軸
14 カム
16 ポンプ・エレメント
24 電磁弁
70 排気バルブ
Claims (10)
- 内燃エンジンにおける負荷及び燃焼を制御するためのシステムであって、
少なくとも一つのシリンダと、吸気パイプ及び排気パイプのそれぞれによってガスの流れを制御するための少なくとも一つの吸気バルブ及び排気バルブと、を備えて、
前記少なくとも一つの吸気バルブは、エンジンの作動状態が変化するときに、異なった開閉時間を前記吸気バルブに与えるように構成された電子制御の可変駆動手段によって制御され、
前記電子制御の可変駆動手段は、開閉の単一の従来サイクルの中で開閉動作の複数の逐次サイクルを与えるように、前記エンジンの動作の予め決められた状態で前記少なくとも一つの吸気バルブを制御するためにプログラムされた電子制御手段によって制御され、
前記システムにおいては、
前記少なくとも一つの吸気バルブが、タペットにより各カムにより制御されて、前記吸気バルブ自身を各タペットから分離するとともに前記少なくとも一つの吸気バルブに連関した弾性戻り手段の結果として前記吸気バルブを急速に閉じさせるために、前記可変駆動手段が、電子制御された電磁弁により排気チャネルと接続可能である流体室を含む油圧手段を備え、
前記電子制御手段が、前記複数の逐次サイクルでの各サイクルにおける開閉時間及びリフトの両方を制御するためにプログラムされており、
前記システムが前記シリンダに連関した複数の吸気バルブを備えて、前記吸気バルブの開閉動作の逐次サイクルを前記吸気バルブの一つだけに与えるように、前記電子制御手段がプログラムされていることを特徴とするシステム。 - 前記吸気バルブの開閉動作の逐次サイクルは、前記従来サイクルに従って前記吸気バルブが開き、前記吸気バルブが前もって閉じる最初のサイクルを備えることを特徴とする、請求項1記載のシステム。
- 前記吸気バルブの開閉動作の逐次サイクルは、前記吸気バルブの開きが前記従来サイクルに対して遅れて、前記吸気バルブが前記従来サイクルに従って閉じる最後のサイクルを備えることを特徴とする、請求項1記載のシステム。
- 前記吸気バルブの開閉動作の複数の逐次サイクルは、前記吸気バルブの遅めの開放及び早めの閉鎖のハイブリッドサイクルを備えることを特徴とする、請求項1記載のシステム。
- 前記ハイブリッドサイクルは、前記複数の逐次サイクルの最初であることを特徴とする、請求項4記載のシステム。
- 少なくとも一つのシリンダと、吸気パイプ及び排気パイプのそれぞれを制御するために前記シリンダに連関した少なくとも一つの吸気バルブ及び排気バルブと、を備えるタイプの内燃エンジンを制御する方法であって、
前記少なくとも一つの吸気バルブは、前記エンジンの作動状態が変わるときに、異なった開閉時間を前記吸気バルブに与えるように構成された電子制御の可変駆動手段によって制御され、
前述の可変駆動手段が、前記エンジンの作動の所定状態において、前記吸気バルブの開閉の単一の従来サイクルの中で前記少なくとも一つの吸気バルブに開閉動作の複数の逐次サイクルが与えられていて、
前記方法においては、
前記少なくとも一つの吸気バルブが、タペットにより各カムにより制御されて、前記吸気バルブ自身を各タペットから分離するとともに前記少なくとも一つの吸気バルブに連関した弾性戻り手段の結果として前記吸気バルブを急速に閉じさせるために、前記可変駆動手段が、電子制御された電磁弁により排気チャネルと接続可能である流体室を含む油圧手段を備え、
前記開閉時間及びリフトの両方は、前記複数の逐次サイクルの各サイクルにおいて制御され、
前記エンジンが前記シリンダに連関した複数の吸気バルブを備えて、前記吸気バルブの開閉動作の逐次サイクルが、前記吸気バルブの一つだけに与えられていることを特徴とする方法。 - 前記吸気バルブの開閉動作の複数の逐次サイクルは、前記吸気バルブが前記従来サイクルに従って開くとともに前もって閉じる最初のサイクルを備えることを特徴とする、請求項6記載の方法。
- 前記吸気バルブの開閉動作の複数の逐次サイクルは、前記吸気バルブの開きが前記従来サイクルに対して遅れる最後のサイクルを備えることを特徴とする、請求項6記載の方法。
- 前記吸気バルブの開閉動作の複数の逐次サイクルは、前記吸気バルブの開きが遅れるとともに、前記吸気バルブが前記従来サイクルに対して前もって閉じるハイブリッドサイクルを備えることを特徴とする、請求項6記載の方法。
- 前記ハイブリッドサイクルが、前記複数の逐次サイクルの最初であることを特徴とする、請求項9記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05425364A EP1726790B1 (en) | 2005-05-24 | 2005-05-24 | System and method for controlling load and combustion in an internal combustion engine by valve actuation according to a multiple lift (multilift) cycle |
EP05425364.6 | 2005-05-24 |
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JP2006142777A Division JP4773879B2 (ja) | 2005-05-24 | 2006-05-23 | 多重リフトサイクルに従ってバルブ駆動によって内燃エンジンにおける負荷及び燃焼を制御するためのシステム及び方法 |
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JP2007107543A JP2007107543A (ja) | 2007-04-26 |
JP2007107543A5 JP2007107543A5 (ja) | 2009-06-04 |
JP4758364B2 true JP4758364B2 (ja) | 2011-08-24 |
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JP2006142777A Active JP4773879B2 (ja) | 2005-05-24 | 2006-05-23 | 多重リフトサイクルに従ってバルブ駆動によって内燃エンジンにおける負荷及び燃焼を制御するためのシステム及び方法 |
JP2007021597A Active JP4758363B2 (ja) | 2005-05-24 | 2007-01-31 | 多重リフトサイクルに従ってバルブ駆動によって内燃エンジンにおける負荷及び燃焼を制御するためのシステム及び方法 |
JP2007021599A Active JP4961222B2 (ja) | 2005-05-24 | 2007-01-31 | 多重リフトサイクルに従ってバルブ駆動によって内燃エンジンにおける負荷及び燃焼を制御するためのシステム及び方法 |
JP2007021598A Active JP4758364B2 (ja) | 2005-05-24 | 2007-01-31 | 多重リフトサイクルに従ってバルブ駆動によって内燃エンジンにおける負荷及び燃焼を制御するためのシステム及び方法 |
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JP2006142777A Active JP4773879B2 (ja) | 2005-05-24 | 2006-05-23 | 多重リフトサイクルに従ってバルブ駆動によって内燃エンジンにおける負荷及び燃焼を制御するためのシステム及び方法 |
JP2007021597A Active JP4758363B2 (ja) | 2005-05-24 | 2007-01-31 | 多重リフトサイクルに従ってバルブ駆動によって内燃エンジンにおける負荷及び燃焼を制御するためのシステム及び方法 |
JP2007021599A Active JP4961222B2 (ja) | 2005-05-24 | 2007-01-31 | 多重リフトサイクルに従ってバルブ駆動によって内燃エンジンにおける負荷及び燃焼を制御するためのシステム及び方法 |
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US (1) | US7252061B2 (ja) |
EP (4) | EP1726790B1 (ja) |
JP (4) | JP4773879B2 (ja) |
AT (4) | ATE377139T1 (ja) |
DE (4) | DE602005003111T2 (ja) |
ES (4) | ES2296093T3 (ja) |
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