EP1484479A3 - Variable-lift timing system for an internal combustion engine - Google Patents
Variable-lift timing system for an internal combustion engine Download PDFInfo
- Publication number
- EP1484479A3 EP1484479A3 EP04102518A EP04102518A EP1484479A3 EP 1484479 A3 EP1484479 A3 EP 1484479A3 EP 04102518 A EP04102518 A EP 04102518A EP 04102518 A EP04102518 A EP 04102518A EP 1484479 A3 EP1484479 A3 EP 1484479A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- variable
- combustion engine
- internal combustion
- timing system
- 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.)
- Withdrawn
Links
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
- 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
- F01L13/0021—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 rocker arm ratio
- F01L13/0026—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 rocker arm ratio by means of an eccentric
-
- 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
- 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
- F01L13/0021—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 rocker arm ratio
-
- 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
- F01L2820/03—Auxiliary actuators
- F01L2820/032—Electric motors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITBO20030347 | 2003-06-06 | ||
ITBO20030347 ITBO20030347A1 (en) | 2003-06-06 | 2003-06-06 | VARIABLE LIFT DISTRIBUTION SYSTEM FOR AN ENDOTHERMAL MOTOR. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1484479A2 EP1484479A2 (en) | 2004-12-08 |
EP1484479A3 true EP1484479A3 (en) | 2005-08-24 |
Family
ID=33156326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04102518A Withdrawn EP1484479A3 (en) | 2003-06-06 | 2004-06-04 | Variable-lift timing system for an internal combustion engine |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1484479A3 (en) |
IT (1) | ITBO20030347A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITTO20050326A1 (en) | 2005-05-12 | 2006-11-13 | Luigi Conti | INTERNAL COMBUSTION ENGINE WITH VARIABLE LIFTED VALVES |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE370440A (en) * | ||||
FR2472078A1 (en) * | 1979-12-21 | 1981-06-26 | Baguena Michel | Four stroke engine valve drive - has roller controlling valve timing reciprocated between concave surface and shaped cam face |
JPS60228717A (en) * | 1984-04-27 | 1985-11-14 | Suzuki Motor Co Ltd | Variable device of valve lift in four-cycle engine |
US5189998A (en) * | 1991-07-23 | 1993-03-02 | Atsugi Unisia Corporation | Valve mechanism of internal combustion engine |
DE10117584A1 (en) * | 2001-04-07 | 2002-10-10 | Willi Roth | Device for lift adjustment of gas exchange valves has slide piece on trailing lever between valve and cam follower, whereby in no-lift position slide piece lies directly in middle of bearing point of cam follower |
WO2003008772A1 (en) * | 2001-07-17 | 2003-01-30 | Thyssenkrupp Automotive Ag | Variable valve-stroke controller |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10106921A1 (en) | 2001-02-15 | 2002-08-22 | Bayerische Motoren Werke Ag | Method for synchronizing the filling of cylinders of an internal combustion engine, in particular a reciprocating piston internal combustion engine |
-
2003
- 2003-06-06 IT ITBO20030347 patent/ITBO20030347A1/en unknown
-
2004
- 2004-06-04 EP EP04102518A patent/EP1484479A3/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE370440A (en) * | ||||
FR2472078A1 (en) * | 1979-12-21 | 1981-06-26 | Baguena Michel | Four stroke engine valve drive - has roller controlling valve timing reciprocated between concave surface and shaped cam face |
JPS60228717A (en) * | 1984-04-27 | 1985-11-14 | Suzuki Motor Co Ltd | Variable device of valve lift in four-cycle engine |
US5189998A (en) * | 1991-07-23 | 1993-03-02 | Atsugi Unisia Corporation | Valve mechanism of internal combustion engine |
DE10117584A1 (en) * | 2001-04-07 | 2002-10-10 | Willi Roth | Device for lift adjustment of gas exchange valves has slide piece on trailing lever between valve and cam follower, whereby in no-lift position slide piece lies directly in middle of bearing point of cam follower |
WO2003008772A1 (en) * | 2001-07-17 | 2003-01-30 | Thyssenkrupp Automotive Ag | Variable valve-stroke controller |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 010, no. 092 (M - 468) 9 April 1986 (1986-04-09) * |
Also Published As
Publication number | Publication date |
---|---|
EP1484479A2 (en) | 2004-12-08 |
ITBO20030347A1 (en) | 2004-12-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10077686B2 (en) | Pushrod assembly | |
PL1526257T3 (en) | Exhaust braking device for a 4-stroke internal piston combustion engine | |
EP1577509A3 (en) | Electromechanically actuated valve control based on a vehicle electrical system | |
WO2005106215A3 (en) | Valve actuation system with valve seating control | |
ATE421035T1 (en) | EXHAUST VALVE MECHANISM FOR COMBUSTION ENGINE | |
AU2003237968A1 (en) | A stroke adjusting device for valves of a combustion engine | |
EP1273777A3 (en) | Apparatus and method for two-step intake phased engine control system | |
WO2006090292A3 (en) | Rocker arm arrangement for dual valve timing with single cam lobe | |
EP1079078A3 (en) | Variable valve apparatus of internal combustion engine and method of varying the open-close characteristic of an engine valve | |
ATE509190T1 (en) | DEVICE FOR AN COMBUSTION ENGINE | |
EP1403471A3 (en) | Variable valve timing system for an internal combustion engine | |
AU2003900003A0 (en) | Piston De-activation Mechanism for Internal Combustion Engines | |
EP1264967A3 (en) | Mechanical lash adjuster apparatus for an engine cam | |
WO2008143658A3 (en) | Finger follower lost motion valve actuation system with locating link | |
DE602006012654D1 (en) | COMBUSTION ENGINE WITH STEP-UP ADJUSTABLE VALVE HOLDING SYSTEM | |
EP1484479A3 (en) | Variable-lift timing system for an internal combustion engine | |
EP1335115A3 (en) | Internal combustion engine provided with decompressing means | |
EP1798386A3 (en) | Valve-operating mechanism | |
EP1243762A3 (en) | Internal-combustion engine with hydraulic system for variable operation of the engine valves | |
EP1270882A3 (en) | Four-stroke internal combustion engine with valve resting mechanism | |
ATE428045T1 (en) | ADJUSTABLE VALVE CONTROL | |
WO2004033942A3 (en) | Maintaining controlled orientation of a roller lifter follower used in conjunction with a variable phased valve lifter | |
AU2003249101A1 (en) | A mechanism for varynig the valve stroke of an internal combustion piston engine | |
DE60336065D1 (en) | NOCKENST SSELARM FOR A COMBUSTION ENGINE | |
JP2004084630A (en) | Valve mechanism |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL HR LT LV MK |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL HR LT LV MK |
|
17P | Request for examination filed |
Effective date: 20060223 |
|
AKX | Designation fees paid |
Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20061121 |