FR2480854B1 - - Google Patents
Info
- Publication number
- FR2480854B1 FR2480854B1 FR8009001A FR8009001A FR2480854B1 FR 2480854 B1 FR2480854 B1 FR 2480854B1 FR 8009001 A FR8009001 A FR 8009001A FR 8009001 A FR8009001 A FR 8009001A FR 2480854 B1 FR2480854 B1 FR 2480854B1
- 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
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- 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
- F01L13/0047—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 the movement of the valves resulting from the sum of the simultaneous actions of at least two cams, the cams being independently variable in phase in respect of each other
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- 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
- F01L1/024—Belt drive
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- 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
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
- F01L9/11—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column
- F01L9/12—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem
-
- 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
- F01L2001/0537—Double overhead camshafts [DOHC]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8009001A FR2480854A1 (fr) | 1980-04-22 | 1980-04-22 | Commande de soupapes de moteurs a combustion interne par distributeur hydraulique a faible consommation de puissance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8009001A FR2480854A1 (fr) | 1980-04-22 | 1980-04-22 | Commande de soupapes de moteurs a combustion interne par distributeur hydraulique a faible consommation de puissance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2480854A1 FR2480854A1 (fr) | 1981-10-23 |
| FR2480854B1 true FR2480854B1 (enExample) | 1984-05-25 |
Family
ID=9241212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8009001A Granted FR2480854A1 (fr) | 1980-04-22 | 1980-04-22 | Commande de soupapes de moteurs a combustion interne par distributeur hydraulique a faible consommation de puissance |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2480854A1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3536919A1 (de) * | 1985-10-17 | 1987-04-23 | Bayerische Motoren Werke Ag | Vorrichtung zur aenderung der relativen drehlage eines getriebenen zu einem treibenden maschinenteil, insbes. einer steuerwelle gegenueber einer kurbelwelle einer brennkraftmaschine |
| AT410124B (de) * | 1989-05-24 | 2003-02-25 | Avl Verbrennungskraft Messtech | Vorrichtung zur steuerung des hubes eines hydraulisch betätigbaren ventiles |
| US6044815A (en) * | 1998-09-09 | 2000-04-04 | Navistar International Transportation Corp. | Hydraulically-assisted engine valve actuator |
| NL1013811C2 (nl) * | 1999-12-09 | 2000-11-28 | Prometheus Engineering B V | Hydraulisch klepbedieningsmechanisme. |
| DE10006365A1 (de) * | 2000-02-12 | 2001-08-16 | Opel Adam Ag | Variable Ventilsteuerung für Hubkolben-Brennkraftmaschinen |
| EP1375843B1 (de) * | 2002-06-28 | 2004-04-28 | AVL List GmbH | Brennkraftmaschine mit innerer Verbrennung |
| DE102012214645A1 (de) * | 2012-08-17 | 2014-02-20 | Mahle International Gmbh | Brennkraftmaschine mit zwei gegenläufigen Nockenwellen |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR432425A (fr) * | 1911-07-21 | 1911-12-06 | Bachrich Et Cie Soc | Système de commande d'organes à distance au moyen d'agents liquides |
| FR471102A (fr) * | 1913-10-02 | 1914-10-15 | Ettore Bugatti | Commande hydraulique de moteur avec piston de réglage formant compensateur |
| GB313231A (en) * | 1928-03-21 | 1929-06-13 | Thomas Henry Wintringham | Improvements in driving gear for use with internal combustion engines |
| DE2840445C2 (de) * | 1978-09-16 | 1984-10-04 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg | Hydraulische Vorrichtung zum Betätigen eines Gaswechselventils für Brennkraftmaschinen |
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1980
- 1980-04-22 FR FR8009001A patent/FR2480854A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2480854A1 (fr) | 1981-10-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |