JP4404638B2 - エンジンバルブアクチュエータ - Google Patents
エンジンバルブアクチュエータ Download PDFInfo
- Publication number
- JP4404638B2 JP4404638B2 JP2003566366A JP2003566366A JP4404638B2 JP 4404638 B2 JP4404638 B2 JP 4404638B2 JP 2003566366 A JP2003566366 A JP 2003566366A JP 2003566366 A JP2003566366 A JP 2003566366A JP 4404638 B2 JP4404638 B2 JP 4404638B2
- Authority
- JP
- Japan
- Prior art keywords
- actuator
- engine
- valve
- open position
- engine 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.)
- Expired - Lifetime
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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
- 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
- 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
- F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
- F01L13/065—Compression release engine retarders of the "Jacobs Manufacturing" type
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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
- F01L2305/00—Valve arrangements comprising rollers
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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
- F01L2800/00—Methods of operation using a variable valve timing mechanism
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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
- F01L2800/00—Methods of operation using a variable valve timing mechanism
- F01L2800/10—Providing exhaust gas recirculation [EGR]
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- 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
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- 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)
- Valve Device For Special Equipments (AREA)
Description
Claims (10)
- エンジンバルブアセンブリであって、
バルブシート(50)と、
前記バルブシート(50)に対し開位置と閉位置との間で動くように構成されたエンジンバルブ要素(40)と、
前記エンジンバルブ要素を開位置に移動させるように適合されている機械的被駆動アクチュエータ(58)と、
前記エンジンバルブ要素(40)を開位置に保持するように適合されている流体駆動式アクチュエータ(70)と、
開位置に向かう前記エンジンバルブ要素(40)の移動中に、前記流体駆動式アクチュエータ(70)を作動させる加圧液(84)の流れを前記アクチュエータシリンダ(72)に通し、閉位置に向かう前記エンジンバルブ要素(40)の移動中に、前記加圧液(84)を前記アクチュエータシリンダ(72)内に維持するように構成された制御バルブ(88)と、
を備え、
前記流体駆動式アクチュエータ(70)は、アクチュエータシリンダ(72)内で往復運動するように配置されたアクチュエータピストン(74)を含み、前記アクチュエータピストン(74)は、動作可能に関連するロッド(78)を有し、
前記アクチュエータピストン(74)は、前記機械的被駆動アクチュエータ(58)によって前記バルブ要素(40)が開位置に移動されているときに、前記ロッド(78)を移動させて前記エンジンバルブ要素(40)を開位置に保持するように適合されることを特徴とするエンジンバルブアセンブリ。 - 前記アクチュエータシリンダ(72)は、前記制御バルブ(88)を通して、加圧液源(84)と流体連通していることを特徴とする請求項1に記載のエンジンバルブアセンブリ。
- 前記加圧液源(84)は、内燃エンジン(20)の潤滑油システム(84)であることを特徴とする請求項2に記載のエンジンバルブアセンブリ。
- 前記加圧液源(84)は100ポンド/平方インチ未満の大きさの圧力を有することを特徴とする請求項3に記載のエンジンバルブアセンブリ。
- 前記エンジンバルブ要素(48)に備えられ、前記エンジンバルブ要素(48)を閉位置に向かって付勢するバネ(56)を含むことを特徴とする請求項1から4のいずれかに記載のエンジンバルブアセンブリ。
- 前記流体駆動式アクチュエータ(70)は、前記機械的被駆動アクチュエータ(58)によって前記エンジンバルブ要素(40)が開位置に移動されているときに、前記ロッド(78)と前記エンジンバルブ要素(40)との間の隙間を除去することによって、前記エンジンバルブ要素(40)を開位置に保持することを特徴とする請求項1から5のいずれかに記載のエンジンバルブアセンブリ。
- バルブシート(50)と、前記バルブシート(50)に対し開位置と閉位置との間で動くように構成されたエンジンバルブ要素(40)と、前記エンジンバルブ要素を開位置に移動させるように適合されている機械的被駆動アクチュエータ(58)と、を含む内燃エンジンに備えられるエンジンバルブアクチュエータであって、
前記エンジンバルブアクチュエータは、アクチュエータシリンダ(72)内で往復運動するように配置されたアクチュエータピストン(74)を含み、前記アクチュエータピストン(74)は、動作可能に関連するロッド(78)を有し、
前記エンジンバルブアクチュエータは、開位置に向かう前記エンジンバルブ要素(40)の移動中に、前記アクチュエータピストン(74)を作動させる加圧液(84)の流れを前記アクチュエータシリンダ(72)に通し、閉位置に向かう前記エンジンバルブ要素(40)の移動中に、前記加圧液を前記アクチュエータシリンダ(72)内に維持するように構成された制御バルブ(88)を含み、
前記アクチュエータピストン(74)は、前記機械的被駆動アクチュエータ(58)によって前記エンジンバルブ要素(40)が開位置に移動されているときに前記ロッド(78)を移動させて、前記エンジンバルブ要素(40)を開位置に保持するように適合されることを特徴とするエンジンバルブアクチュエータ。 - 請求項1から6のいずれかに記載のエンジンバルブアセンブリ、または請求項7に記載のエンジンバルブアクチュエータを含むことを特徴とする内燃エンジン。
- 少なくとも1つのバルブ(32)を有するエンジン(20)を制御する方法であって、
機械的被駆動アクチュエータ(58)によって前記バルブ(32)を開位置に移動するステップと、
前記機械的被駆動アクチュエータ(58)によって前記バルブ(32)が開位置に移動されているときに、流体ロック式アクチュエータ(70)によって前記バルブ(32)を開位置に保持するステップと、
を含み、
前記流体ロック式アクチュエータ(70)は、内部にアクチュエータピストン(74)が往復運動するように配置されたアクチュエータシリンダ(72)を含み、
前記バルブ(32)を開位置に保持するステップは、開位置に向かう前記バルブ(32)の移動中に、前記アクチュエータピストン(74)を作動させる加圧液(84)の流れを前記アクチュエータシリンダ(72)に通す工程と、閉位置に向かう前記バルブ(32)の移動中に、前記加圧液を前記アクチュエータシリンダ(72)内に維持する工程と、を含む
ことを特徴とするエンジンの制御方法。 - 前記保持ステップは、前記機械的被駆動アクチュエータ(58)によって前記バルブ(32)が開位置に移動されているときに、前記アクチュエータピストン(74)が前記ロッド(78)を移動させることによって、前記バルブ(32)を開位置に保持することを特徴とする請求項9に記載のエンジンの制御方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/067,030 US6732685B2 (en) | 2002-02-04 | 2002-02-04 | Engine valve actuator |
PCT/US2003/002011 WO2003067036A1 (en) | 2002-02-04 | 2003-01-22 | Engine valve actuator |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005517110A JP2005517110A (ja) | 2005-06-09 |
JP2005517110A5 JP2005517110A5 (ja) | 2006-03-09 |
JP4404638B2 true JP4404638B2 (ja) | 2010-01-27 |
Family
ID=27658792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003566366A Expired - Lifetime JP4404638B2 (ja) | 2002-02-04 | 2003-01-22 | エンジンバルブアクチュエータ |
Country Status (5)
Country | Link |
---|---|
US (2) | US6732685B2 (ja) |
EP (1) | EP1472437B1 (ja) |
JP (1) | JP4404638B2 (ja) |
DE (1) | DE60336118D1 (ja) |
WO (1) | WO2003067036A1 (ja) |
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-
2002
- 2002-02-04 US US10/067,030 patent/US6732685B2/en not_active Expired - Lifetime
-
2003
- 2003-01-22 EP EP03703971A patent/EP1472437B1/en not_active Expired - Lifetime
- 2003-01-22 DE DE60336118T patent/DE60336118D1/de not_active Expired - Lifetime
- 2003-01-22 WO PCT/US2003/002011 patent/WO2003067036A1/en active Application Filing
- 2003-01-22 JP JP2003566366A patent/JP4404638B2/ja not_active Expired - Lifetime
-
2004
- 2004-02-27 US US10/788,431 patent/US20040206331A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20040206331A1 (en) | 2004-10-21 |
DE60336118D1 (de) | 2011-04-07 |
EP1472437A1 (en) | 2004-11-03 |
US6732685B2 (en) | 2004-05-11 |
JP2005517110A (ja) | 2005-06-09 |
EP1472437B1 (en) | 2011-02-23 |
WO2003067036A1 (en) | 2003-08-14 |
US20030145812A1 (en) | 2003-08-07 |
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