GB2434404B - Improvements to variable valve actuation using slideable, latching cam lobes - Google Patents
Improvements to variable valve actuation using slideable, latching cam lobesInfo
- Publication number
- GB2434404B GB2434404B GB0600939A GB0600939A GB2434404B GB 2434404 B GB2434404 B GB 2434404B GB 0600939 A GB0600939 A GB 0600939A GB 0600939 A GB0600939 A GB 0600939A GB 2434404 B GB2434404 B GB 2434404B
- Authority
- GB
- United Kingdom
- Prior art keywords
- slideable
- variable valve
- valve actuation
- cam lobes
- latching cam
- 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
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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H53/00—Cams ; Non-rotary cams; or cam-followers, e.g. rollers for gearing mechanisms
- F16H53/02—Single-track cams for single-revolution cycles; Camshafts with such cams
- F16H53/04—Adjustable 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
- F01L1/08—Shape of cams
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0600939A GB2434404B (en) | 2006-01-18 | 2006-01-18 | Improvements to variable valve actuation using slideable, latching cam lobes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0600939A GB2434404B (en) | 2006-01-18 | 2006-01-18 | Improvements to variable valve actuation using slideable, latching cam lobes |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0600939D0 GB0600939D0 (en) | 2006-02-22 |
GB2434404A GB2434404A (en) | 2007-07-25 |
GB2434404B true GB2434404B (en) | 2010-11-03 |
Family
ID=35998198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0600939A Expired - Fee Related GB2434404B (en) | 2006-01-18 | 2006-01-18 | Improvements to variable valve actuation using slideable, latching cam lobes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2434404B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009055868A1 (en) * | 2009-11-26 | 2011-06-01 | Neumayer Tekfor Holding Gmbh | camshaft |
ITRM20100155A1 (en) * | 2010-04-02 | 2011-10-03 | Matteo Nargiso | INTERNAL COMBUSTION ENGINE WITH CRANKSHAFT WITH VARIABLE ECCENTRICITY |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2385888A (en) * | 2002-06-21 | 2003-09-03 | Jean-Pierre Pirault | Variable lift i.c. engine camshaft assembly with selectively slideable camlobes |
WO2004109068A1 (en) * | 2003-06-02 | 2004-12-16 | Mahle Ventiltrieb Gmbh | Camshaft, especially for an internal combustion engine of a motor vehicle, comprising shiftable cams |
-
2006
- 2006-01-18 GB GB0600939A patent/GB2434404B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2385888A (en) * | 2002-06-21 | 2003-09-03 | Jean-Pierre Pirault | Variable lift i.c. engine camshaft assembly with selectively slideable camlobes |
WO2004109068A1 (en) * | 2003-06-02 | 2004-12-16 | Mahle Ventiltrieb Gmbh | Camshaft, especially for an internal combustion engine of a motor vehicle, comprising shiftable cams |
Also Published As
Publication number | Publication date |
---|---|
GB2434404A (en) | 2007-07-25 |
GB0600939D0 (en) | 2006-02-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20210118 |