GB2448686B - A System and method for adaptive control of variable vale lift tappet switching - Google Patents
A System and method for adaptive control of variable vale lift tappet switchingInfo
- Publication number
- GB2448686B GB2448686B GB0707784.5A GB0707784A GB2448686B GB 2448686 B GB2448686 B GB 2448686B GB 0707784 A GB0707784 A GB 0707784A GB 2448686 B GB2448686 B GB 2448686B
- Authority
- GB
- United Kingdom
- Prior art keywords
- adaptive control
- lift tappet
- vale
- variable
- switching
- 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 - Fee Related
Links
- 230000003044 adaptive effect Effects 0.000 title 1
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
- F01L1/20—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
- F01L1/245—Hydraulic tappets
- F01L1/25—Hydraulic tappets between cam and valve stem
-
- 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
-
- 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
- F01L1/143—Tappets; Push rods for use with overhead camshafts
-
- 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
- F01L13/0036—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
-
- 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
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/12—Engines characterised by fuel-air mixture compression with compression ignition
-
- 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
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
- F02B77/085—Safety, indicating, or supervising devices with sensors measuring combustion processes, e.g. knocking, pressure, ionization, combustion flame
-
- 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
- F02D13/0215—Variable control of intake and exhaust valves changing the valve timing only
-
- 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
- F02D13/0261—Controlling the valve overlap
- F02D13/0265—Negative valve overlap for temporarily storing residual gas in the cylinder
-
- 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
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L1/053—Camshafts overhead type
- F01L2001/0537—Double overhead camshafts [DOHC]
-
- 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
-
- 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)
- Output Control And Ontrol Of Special Type Engine (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0707784.5A GB2448686B (en) | 2007-04-23 | 2007-04-23 | A System and method for adaptive control of variable vale lift tappet switching |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0707784.5A GB2448686B (en) | 2007-04-23 | 2007-04-23 | A System and method for adaptive control of variable vale lift tappet switching |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0707784D0 GB0707784D0 (en) | 2007-05-30 |
GB2448686A GB2448686A (en) | 2008-10-29 |
GB2448686B true GB2448686B (en) | 2012-02-22 |
Family
ID=38135245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0707784.5A Expired - Fee Related GB2448686B (en) | 2007-04-23 | 2007-04-23 | A System and method for adaptive control of variable vale lift tappet switching |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2448686B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9506411B2 (en) * | 2014-10-17 | 2016-11-29 | Ford Global Technologies, Llc | If method and system for engine knock control |
CN114033524B (en) * | 2021-11-09 | 2022-09-27 | 上海汽车集团股份有限公司 | Two-stage variable valve lift control method and system |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999042718A1 (en) * | 1998-02-23 | 1999-08-26 | Cummins Engine Company, Inc. | Premixed charge compression ignition engine with optimal combustion control |
WO2000028198A1 (en) * | 1998-10-26 | 2000-05-18 | Ab Volvo | Method of controlling the process of combustion in an internal combustion engine, and engine with means for varying the effective compression ratio of the cylinders |
EP1138896A2 (en) * | 2000-03-30 | 2001-10-04 | Nissan Motor Company, Limited | Auto-ignition of gasoline engine by varying exhaust gas retaining duration |
EP1435445A1 (en) * | 2002-12-30 | 2004-07-07 | Ford Global Technologies, Inc., A subsidiary of Ford Motor Company | Internal combustion engine, method for auto-ignition operation and computer readable storage device |
US20040244732A1 (en) * | 2003-06-03 | 2004-12-09 | Aleksandar Kojic | Method for extending HCCI load range using a two-stroke cycle and variable valve actuation |
US20050252464A1 (en) * | 2004-05-17 | 2005-11-17 | Toyota Jidosha Kabushiki Kaisha | Control device of charge compression ignition-type internal combustion engine |
US20060272616A1 (en) * | 2005-06-06 | 2006-12-07 | Hiroshi Kuzuyama | Homogeneous charge compression ignition internal combustion engine |
-
2007
- 2007-04-23 GB GB0707784.5A patent/GB2448686B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999042718A1 (en) * | 1998-02-23 | 1999-08-26 | Cummins Engine Company, Inc. | Premixed charge compression ignition engine with optimal combustion control |
WO2000028198A1 (en) * | 1998-10-26 | 2000-05-18 | Ab Volvo | Method of controlling the process of combustion in an internal combustion engine, and engine with means for varying the effective compression ratio of the cylinders |
EP1138896A2 (en) * | 2000-03-30 | 2001-10-04 | Nissan Motor Company, Limited | Auto-ignition of gasoline engine by varying exhaust gas retaining duration |
EP1435445A1 (en) * | 2002-12-30 | 2004-07-07 | Ford Global Technologies, Inc., A subsidiary of Ford Motor Company | Internal combustion engine, method for auto-ignition operation and computer readable storage device |
US20040244732A1 (en) * | 2003-06-03 | 2004-12-09 | Aleksandar Kojic | Method for extending HCCI load range using a two-stroke cycle and variable valve actuation |
US20050252464A1 (en) * | 2004-05-17 | 2005-11-17 | Toyota Jidosha Kabushiki Kaisha | Control device of charge compression ignition-type internal combustion engine |
US20060272616A1 (en) * | 2005-06-06 | 2006-12-07 | Hiroshi Kuzuyama | Homogeneous charge compression ignition internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
GB2448686A (en) | 2008-10-29 |
GB0707784D0 (en) | 2007-05-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20130423 |