IT1302701B1 - ROCKER DEVICE FOR CONTEMPORARY CONTROL OF THE LIFT OF THE VALVES AND THE RELATIVE TIMING IN A COMBUSTION ENGINE. - Google Patents
ROCKER DEVICE FOR CONTEMPORARY CONTROL OF THE LIFT OF THE VALVES AND THE RELATIVE TIMING IN A COMBUSTION ENGINE.Info
- Publication number
- IT1302701B1 IT1302701B1 IT1998MI002244A ITMI982244A IT1302701B1 IT 1302701 B1 IT1302701 B1 IT 1302701B1 IT 1998MI002244 A IT1998MI002244 A IT 1998MI002244A IT MI982244 A ITMI982244 A IT MI982244A IT 1302701 B1 IT1302701 B1 IT 1302701B1
- Authority
- IT
- Italy
- Prior art keywords
- valves
- lift
- combustion engine
- relative timing
- rocker device
- Prior art date
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
- 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
- F01L1/20—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
- F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
-
- 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
- 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
- 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
- F01L2305/00—Valve arrangements comprising rollers
- F01L2305/02—Mounting of 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
- F01L2820/00—Details on specific features characterising valve gear arrangements
- F01L2820/03—Auxiliary actuators
- F01L2820/033—Hydraulic engines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1998MI002244A IT1302701B1 (en) | 1998-10-20 | 1998-10-20 | ROCKER DEVICE FOR CONTEMPORARY CONTROL OF THE LIFT OF THE VALVES AND THE RELATIVE TIMING IN A COMBUSTION ENGINE. |
EP99308287A EP0995885B1 (en) | 1998-10-20 | 1999-10-20 | Rocker arm device for simultaneous control of valve lift and relative timing in a combustion engine |
DE69923139T DE69923139T2 (en) | 1998-10-20 | 1999-10-20 | Drag lever arrangement for simultaneous valve stroke and angle control in an internal combustion engine |
JP29850899A JP4541471B2 (en) | 1998-10-20 | 1999-10-20 | Rocker arm device for simultaneous control of combustion engine valve lift and relative timing |
BR9906075-2A BR9906075A (en) | 1998-10-20 | 1999-10-20 | Valve control system for an internal combustion engine |
US09/841,572 US6588387B2 (en) | 1998-10-20 | 2001-04-24 | Rocker arm device for simultaneous control of valve lift and relative timing in a combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1998MI002244A IT1302701B1 (en) | 1998-10-20 | 1998-10-20 | ROCKER DEVICE FOR CONTEMPORARY CONTROL OF THE LIFT OF THE VALVES AND THE RELATIVE TIMING IN A COMBUSTION ENGINE. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI982244A0 ITMI982244A0 (en) | 1998-10-20 |
ITMI982244A1 ITMI982244A1 (en) | 2000-04-20 |
IT1302701B1 true IT1302701B1 (en) | 2000-09-29 |
Family
ID=11380897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT1998MI002244A IT1302701B1 (en) | 1998-10-20 | 1998-10-20 | ROCKER DEVICE FOR CONTEMPORARY CONTROL OF THE LIFT OF THE VALVES AND THE RELATIVE TIMING IN A COMBUSTION ENGINE. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0995885B1 (en) |
JP (1) | JP4541471B2 (en) |
BR (1) | BR9906075A (en) |
DE (1) | DE69923139T2 (en) |
IT (1) | IT1302701B1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10060890C2 (en) | 2000-12-07 | 2003-04-03 | Meta Motoren Energietech | Device for switching the operation of a charge exchange valve of an internal combustion engine |
JP4057855B2 (en) | 2002-07-05 | 2008-03-05 | 本田技研工業株式会社 | Valve operating device for internal combustion engine |
EP1923546B1 (en) * | 2005-09-08 | 2012-06-06 | Honda Motor Co., Ltd. | Valve drive device for engine |
DE102008008094B3 (en) | 2008-02-08 | 2009-05-14 | Meta Motoren- Und Energie-Technik Gmbh | Valve lever assembly for piston combustion engines for changing valve timing of intake valve, has adjustable valve operating unit for working with cam shaft having two cams, and eccentric opening is provided |
EP3411568B1 (en) * | 2016-02-01 | 2020-10-21 | Eaton Intelligent Power Limited | Variable rocker ratio system for a switchable rocker arm |
DE102016210463A1 (en) * | 2016-06-14 | 2017-12-14 | Thyssenkrupp Ag | Valve control device for an internal combustion engine |
DE102017101792B4 (en) | 2017-01-31 | 2018-11-15 | Schaeffler Technologies AG & Co. KG | Variable valve train of a combustion piston engine |
GB201710964D0 (en) * | 2017-07-07 | 2017-08-23 | Eaton Srl | Actuator |
US11566544B2 (en) | 2018-08-09 | 2023-01-31 | Eaton Intelligent Power Limited | Rocker arm assembly with lost motion spring |
CN112585337B (en) * | 2018-08-09 | 2023-03-28 | 伊顿智能动力有限公司 | Deactivating rocker arm with two-step latch pin |
DE102018131601A1 (en) * | 2018-12-10 | 2019-10-31 | Schaeffler Technologies AG & Co. KG | Switchable drag lever for a valve train of an internal combustion engine and variable valve train for an internal combustion engine |
CN116163818B (en) * | 2023-04-24 | 2023-06-27 | 泰州市姜堰伟达机械有限公司 | Rocker arm device of internal combustion engine |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60228717A (en) * | 1984-04-27 | 1985-11-14 | Suzuki Motor Co Ltd | Variable device of valve lift in four-cycle engine |
JPS62170711A (en) * | 1986-01-23 | 1987-07-27 | Fuji Heavy Ind Ltd | Valve moving device for automobile engine |
JPS62170714A (en) * | 1986-01-23 | 1987-07-27 | Fuji Heavy Ind Ltd | Valve moving device for automobile engine |
US4768467A (en) * | 1986-01-23 | 1988-09-06 | Fuji Jukogyo Kabushiki Kaisha | Valve operating system for an automotive engine |
JPS62203913A (en) * | 1986-02-28 | 1987-09-08 | Fuji Heavy Ind Ltd | Tappet valve device for automobile engine |
IT1240107B (en) * | 1990-02-16 | 1993-11-27 | Ferrari Spa | VARIABLE DISTRIBUTION SYSTEM, IN PARTICULAR FOR AN ENDOTHERMAL ENGINE. |
DE4136143A1 (en) * | 1991-11-02 | 1993-05-06 | Audi Ag, 8070 Ingolstadt, De | Valve control mechanism for IC engine - has combination of two rocker arms which can be positively joined by locking lever |
JPH0626313A (en) * | 1992-06-02 | 1994-02-01 | Yoshiteru Ono | Variable valve timing mechanism |
DE4220816A1 (en) * | 1992-06-25 | 1994-01-05 | Schaeffler Waelzlager Kg | Adjustable valve control for IC engine - has adjustable intermediate member between cam and pivot lever along guide path |
US5655488A (en) * | 1996-07-22 | 1997-08-12 | Eaton Corporation | Dual event valve control system |
-
1998
- 1998-10-20 IT IT1998MI002244A patent/IT1302701B1/en active IP Right Grant
-
1999
- 1999-10-20 JP JP29850899A patent/JP4541471B2/en not_active Expired - Fee Related
- 1999-10-20 BR BR9906075-2A patent/BR9906075A/en not_active IP Right Cessation
- 1999-10-20 DE DE69923139T patent/DE69923139T2/en not_active Expired - Lifetime
- 1999-10-20 EP EP99308287A patent/EP0995885B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69923139D1 (en) | 2005-02-17 |
JP2000130132A (en) | 2000-05-09 |
ITMI982244A1 (en) | 2000-04-20 |
BR9906075A (en) | 2000-09-05 |
DE69923139T2 (en) | 2005-12-29 |
ITMI982244A0 (en) | 1998-10-20 |
EP0995885A2 (en) | 2000-04-26 |
EP0995885B1 (en) | 2005-01-12 |
JP4541471B2 (en) | 2010-09-08 |
EP0995885A3 (en) | 2000-07-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |