FR2057984A5 - - Google Patents
Info
- Publication number
- FR2057984A5 FR2057984A5 FR7029709A FR7029709A FR2057984A5 FR 2057984 A5 FR2057984 A5 FR 2057984A5 FR 7029709 A FR7029709 A FR 7029709A FR 7029709 A FR7029709 A FR 7029709A FR 2057984 A5 FR2057984 A5 FR 2057984A5
- Authority
- FR
- France
- 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
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
- F01L13/0036—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
- F01L13/0042—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 with cams being 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
- 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
- F01L1/181—Centre 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
- F01L1/34—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
- F01L1/344—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 changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/34416—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 changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using twisted cams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI235969A FI42486C (fi) | 1969-08-12 | 1969-08-12 | Venttiilikoneisto |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2057984A5 true FR2057984A5 (enExample) | 1971-05-21 |
Family
ID=8506995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7029709A Expired FR2057984A5 (enExample) | 1969-08-12 | 1970-08-12 |
Country Status (3)
| Country | Link |
|---|---|
| FI (1) | FI42486C (enExample) |
| FR (1) | FR2057984A5 (enExample) |
| GB (1) | GB1296157A (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4796522A (en) * | 1982-10-18 | 1989-01-10 | Nabisco Brands Inc. | Adjustable cam actuator |
| JP2000257410A (ja) | 1999-03-10 | 2000-09-19 | Toyota Motor Corp | 内燃機関の可変バルブ特性装置および３次元カム |
| KR100593585B1 (ko) | 1999-08-23 | 2006-06-28 | 도요타지도샤가부시키가이샤 | 엔진의 밸브 특성 제어장치 |
| GB0011930D0 (en) * | 2000-05-17 | 2000-07-05 | Walters Christopher P M | Valve control mechanism |
| JP2005048674A (ja) | 2003-07-29 | 2005-02-24 | Suzuki Motor Corp | 動弁装置およびこれを備えた内燃機関 |
| DE102011115533A1 (de) * | 2011-10-08 | 2013-04-11 | Neumayer Tekfor Holding Gmbh | Nockenwelle und Nockenwellensystem |
| CN103306776B (zh) * | 2013-06-28 | 2015-09-09 | 长城汽车股份有限公司 | 用于发动机的可变气门升程装置、发动机和车辆 |
-
1969
- 1969-08-12 FI FI235969A patent/FI42486C/fi active
-
1970
- 1970-08-12 GB GB1296157D patent/GB1296157A/en not_active Expired
- 1970-08-12 FR FR7029709A patent/FR2057984A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI42486C (fi) | 1970-08-10 |
| FI42486B (enExample) | 1970-04-30 |
| GB1296157A (enExample) | 1972-11-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |