JP2023523433A - 主モーション負荷経路におけるロストモーション及び高リフト移送構成要素を備えるバルブ作動システム - Google Patents
主モーション負荷経路におけるロストモーション及び高リフト移送構成要素を備えるバルブ作動システム Download PDFInfo
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- JP2023523433A JP2023523433A JP2022564541A JP2022564541A JP2023523433A JP 2023523433 A JP2023523433 A JP 2023523433A JP 2022564541 A JP2022564541 A JP 2022564541A JP 2022564541 A JP2022564541 A JP 2022564541A JP 2023523433 A JP2023523433 A JP 2023523433A
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Images
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
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
- F01L1/267—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder with means for varying the timing or the lift of the valves
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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
- 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
- F01L1/14—Tappets; Push rods
- F01L1/146—Push-rods
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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
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
-
- 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
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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
- F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
-
- 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
- F01L13/0005—Deactivating valves
-
- 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
- F01L13/0063—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 by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
-
- 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
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
- F01L2001/186—Split rocking arms, e.g. rocker arms having two articulated parts and means for varying the relative position of these parts or for selectively connecting the parts to move in unison
-
- 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
- F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
- F01L2001/467—Lost motion springs
-
- 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
- F01L13/0005—Deactivating valves
- F01L2013/001—Deactivating cylinders
-
- 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
- F01L2013/10—Auxiliary actuators for variable valve timing
- F01L2013/105—Hydraulic motors
-
- 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
-
- 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
- F01L2800/12—Fail safe operation
-
- 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
- F01L2820/00—Details on specific features characterising valve gear arrangements
- F01L2820/01—Absolute values
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Description
Claims (16)
- 少なくとも1つのバルブトレイン構成要素を備える主モーション負荷経路を介して、少なくとも1つのエンジンバルブに、主事象バルブ作動モーションを提供するように構成されたバルブ作動モーション源を備える、バルブ作動システムであって、前記バルブ作動システムが、
前記主モーション負荷経路における第1のバルブトレイン構成要素内に配置されたロストモーション構成要素であって、前記ロストモーション構成要素は、前記ロストモーション構成要素が前記主事象バルブ作動モーションを伝達するモーション伝達状態で動作するように、又は前記ロストモーション構成要素が前記主事象バルブ作動モーションのうちの少なくとも一部分を伝達しないモーション吸収状態で動作するように制御可能である、ロストモーション構成要素と、
前記主モーション負荷経路に配置された高リフト移送構成要素であって、前記高リフト移送構成要素は、前記ロストモーション構成要素が前記モーション吸収状態にあるときに、前記主モーション負荷経路が、前記主事象バルブ作動モーションの少なくとも高リフト部分を伝達することを可能にするように構成されている、高リフト移送構成要素と、を更に備える、バルブ作動システム。 - 前記高リフト移送構成要素が、前記ロストモーション構成要素に組み込まれている、請求項1に記載のバルブ作動システム。
- 前記高リフト移送構成要素が、前記ロストモーション構成要素においてストローク制限特徴を備える、請求項2に記載のバルブ作動システム。
- 前記ロストモーション構成要素が、機械的ロックサブシステムを備える、請求項3に記載のバルブ作動システム。
- 前記ロストモーション構成要素が、油圧ロックサブシステムを備える、請求項3に記載のバルブ作動システム。
- 前記高リフト移送構成要素が、二次ロックサブシステムを備える、請求項2に記載のバルブ作動システム。
- 前記第1のバルブトレイン構成要素が、バルブブリッジである、請求項1に記載のバルブ作動システム。
- 前記第1のバルブトレイン構成要素が、ロッカーアームである、請求項1に記載のバルブ作動システム。
- 前記第1のバルブトレイン構成要素が、プッシュロッドである、請求項1に記載のバルブ作動システム。
- 前記高リフト移送構成要素が、前記主モーション負荷経路において、少なくとも1つのバルブトレイン構成要素に組み込まれている、請求項1に記載のバルブ作動システム。
- 前記高リフト移送構成要素が、前記少なくとも1つのバルブトレイン構成要素において、ストローク制限特徴を備える、請求項10に記載のバルブ作動システム。
- 前記ストローク制限特徴が、前記少なくとも1つのバルブトレイン構成要素上に配置された少なくとも1つの接触面を備える、請求項11に記載のバルブ作動システム。
- 前記少なくとも1つの接触面が、格納式ピストンを備える、請求項12に記載のバルブ作動システム。
- 前記少なくとも1つのバルブトレイン構成要素が、バルブブリッジである、請求項10に記載のバルブ作動システム。
- 前記少なくとも1つのバルブトレイン構成要素が、ロッカーアームである、請求項10に記載のバルブ作動システム。
- 前記少なくとも1つのバルブトレイン構成要素が、プッシュロッドである、請求項10に記載のバルブ作動システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202062704321P | 2020-05-04 | 2020-05-04 | |
US62/704,321 | 2020-05-04 | ||
PCT/IB2021/053757 WO2021224801A1 (en) | 2020-05-04 | 2021-05-04 | Valve actuation system comprising lost motion and high lift transfer components in a main motion load path |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2023523433A true JP2023523433A (ja) | 2023-06-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2022564541A Pending JP2023523433A (ja) | 2020-05-04 | 2021-05-04 | 主モーション負荷経路におけるロストモーション及び高リフト移送構成要素を備えるバルブ作動システム |
Country Status (7)
Country | Link |
---|---|
US (1) | US11619180B2 (ja) |
EP (1) | EP4146918A4 (ja) |
JP (1) | JP2023523433A (ja) |
KR (1) | KR20220156969A (ja) |
CN (1) | CN115516191A (ja) |
BR (1) | BR112022021636A2 (ja) |
WO (1) | WO2021224801A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12018599B1 (en) | 2022-12-17 | 2024-06-25 | Jacobs Vehicle Systems, Inc. | Valve actuation system comprising rocker assemblies with one-way coupling therebetween |
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EP1881165A3 (de) * | 2006-07-21 | 2009-12-16 | Schaeffler KG | Schaltbarer Ventiltrieb für eine Brennkraftmaschine |
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KR101171912B1 (ko) * | 2010-11-29 | 2012-08-07 | 기아자동차주식회사 | 밸브브릿지 일체형 가변 밸브 액츄에이터 |
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FR2985541A1 (fr) * | 2012-01-11 | 2013-07-12 | Valeo Sys Controle Moteur Sas | Butee de deconnexion, notamment pour l'actionnement de soupape(s) |
KR101338462B1 (ko) * | 2012-10-16 | 2013-12-10 | 현대자동차주식회사 | 가변 밸브 리프트 장치 |
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-
2021
- 2021-05-04 BR BR112022021636A patent/BR112022021636A2/pt unknown
- 2021-05-04 KR KR1020227038870A patent/KR20220156969A/ko unknown
- 2021-05-04 JP JP2022564541A patent/JP2023523433A/ja active Pending
- 2021-05-04 CN CN202180032861.6A patent/CN115516191A/zh active Pending
- 2021-05-04 US US17/302,475 patent/US11619180B2/en active Active
- 2021-05-04 WO PCT/IB2021/053757 patent/WO2021224801A1/en unknown
- 2021-05-04 EP EP21799604.0A patent/EP4146918A4/en active Pending
Also Published As
Publication number | Publication date |
---|---|
KR20220156969A (ko) | 2022-11-28 |
CN115516191A (zh) | 2022-12-23 |
BR112022021636A2 (pt) | 2022-12-06 |
US20210340891A1 (en) | 2021-11-04 |
US11619180B2 (en) | 2023-04-04 |
EP4146918A4 (en) | 2024-05-29 |
WO2021224801A1 (en) | 2021-11-11 |
EP4146918A1 (en) | 2023-03-15 |
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