MA31817B1 - SHAFT WITH SLIDING AND INTERCALAR CAMS BETWEEN VARIABLE POSITION RAILS AND PUSH BUTTONS FOR VARIABLE DISTRIBUTION CONTINUOUS IN FOUR-STROKE INTERNAL COMBUSTION ENGINES. - Google Patents
SHAFT WITH SLIDING AND INTERCALAR CAMS BETWEEN VARIABLE POSITION RAILS AND PUSH BUTTONS FOR VARIABLE DISTRIBUTION CONTINUOUS IN FOUR-STROKE INTERNAL COMBUSTION ENGINES.Info
- Publication number
- MA31817B1 MA31817B1 MA31820A MA31820A MA31817B1 MA 31817 B1 MA31817 B1 MA 31817B1 MA 31820 A MA31820 A MA 31820A MA 31820 A MA31820 A MA 31820A MA 31817 B1 MA31817 B1 MA 31817B1
- Authority
- MA
- Morocco
- Prior art keywords
- variable
- intercalar
- cams
- sliding
- shaft
- 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
- F01L1/02—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
- F01L1/0532—Camshafts overhead type the cams being directly in contact with the driven valve
-
- 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
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
-
- 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
- F01L13/0031—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 tappet or pushrod length
-
- 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
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/08—Shape of cams
-
- 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
- F01L2001/0535—Single overhead camshafts [SOHC]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MA31820A MA31817B1 (en) | 2009-04-24 | 2009-04-24 | SHAFT WITH SLIDING AND INTERCALAR CAMS BETWEEN VARIABLE POSITION RAILS AND PUSH BUTTONS FOR VARIABLE DISTRIBUTION CONTINUOUS IN FOUR-STROKE INTERNAL COMBUSTION ENGINES. |
PCT/MA2009/000013 WO2010123336A1 (en) | 2009-04-24 | 2009-06-17 | Shaft with slidable cams inserted between variable position rails and valve lifters for variable continuous distribution in four-cycle internal combustion engines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MA31820A MA31817B1 (en) | 2009-04-24 | 2009-04-24 | SHAFT WITH SLIDING AND INTERCALAR CAMS BETWEEN VARIABLE POSITION RAILS AND PUSH BUTTONS FOR VARIABLE DISTRIBUTION CONTINUOUS IN FOUR-STROKE INTERNAL COMBUSTION ENGINES. |
Publications (1)
Publication Number | Publication Date |
---|---|
MA31817B1 true MA31817B1 (en) | 2010-11-01 |
Family
ID=41401904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MA31820A MA31817B1 (en) | 2009-04-24 | 2009-04-24 | SHAFT WITH SLIDING AND INTERCALAR CAMS BETWEEN VARIABLE POSITION RAILS AND PUSH BUTTONS FOR VARIABLE DISTRIBUTION CONTINUOUS IN FOUR-STROKE INTERNAL COMBUSTION ENGINES. |
Country Status (2)
Country | Link |
---|---|
MA (1) | MA31817B1 (en) |
WO (1) | WO2010123336A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015219875B4 (en) * | 2015-10-14 | 2024-08-01 | Bayerische Motoren Werke Aktiengesellschaft | Control shaft for intake valve deactivation |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1220275B (en) * | 1988-01-19 | 1990-06-15 | Franco Storchi | COMPLEX OF ELEMENTS FOR VARIABLE TIMING OF THE VALVES OF AN ENGINE, IN PARTICULAR OF AN INTERNAL COMBUSTION ENGINE |
US6269786B1 (en) * | 1999-07-21 | 2001-08-07 | Tecumseh Products Company | Compression release mechanism |
WO2002081872A1 (en) * | 2001-04-05 | 2002-10-17 | Stephen William Mitchell | Variable valve timing system |
EP1331370A1 (en) * | 2002-01-28 | 2003-07-30 | Ford Global Technologies, Inc., A subsidiary of Ford Motor Company | Variable valve drive |
DE102004008670B4 (en) * | 2004-02-21 | 2013-04-11 | Schaeffler Technologies AG & Co. KG | Valve drive with cam switching for the gas exchange valves of a 4-stroke internal combustion engine |
CA2467931A1 (en) * | 2004-05-25 | 2005-11-25 | Nicholas M. Ottlyk | Varilift, or variable valve lift system |
JP4234653B2 (en) * | 2004-09-03 | 2009-03-04 | ヤマハ発動機株式会社 | Engine decompression device |
-
2009
- 2009-04-24 MA MA31820A patent/MA31817B1/en unknown
- 2009-06-17 WO PCT/MA2009/000013 patent/WO2010123336A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2010123336A1 (en) | 2010-10-28 |
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