ES2024058B3 - Unidad de abertura de valvula hidraulica en la cabeza de cilindro de una maquina de combustible - Google Patents
Unidad de abertura de valvula hidraulica en la cabeza de cilindro de una maquina de combustibleInfo
- Publication number
- ES2024058B3 ES2024058B3 ES89104989T ES89104989T ES2024058B3 ES 2024058 B3 ES2024058 B3 ES 2024058B3 ES 89104989 T ES89104989 T ES 89104989T ES 89104989 T ES89104989 T ES 89104989T ES 2024058 B3 ES2024058 B3 ES 2024058B3
- Authority
- ES
- Spain
- Prior art keywords
- cylinder head
- valve opening
- hydraulic valve
- opening unit
- fuel machine
- 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 - Lifetime
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
- 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
- F01L9/14—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 the volume of the chamber being variable, e.g. for varying the lift or the timing of a 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
- F01L1/02—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
- F01L1/34—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
- F01L1/3442—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 hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/34423—Details relating to the hydraulic feeding circuit
- F01L2001/34446—Fluid accumulators for the feeding circuit
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3809953A DE3809953C1 (de) | 1988-03-24 | 1988-03-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2024058B3 true ES2024058B3 (es) | 1992-02-16 |
Family
ID=6350591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES89104989T Expired - Lifetime ES2024058B3 (es) | 1988-03-24 | 1989-03-21 | Unidad de abertura de valvula hidraulica en la cabeza de cilindro de una maquina de combustible |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0334272B1 (de) |
DE (2) | DE3809953C1 (de) |
ES (1) | ES2024058B3 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5127375A (en) * | 1991-04-04 | 1992-07-07 | Ford Motor Company | Hydraulic valve control system for internal combustion engines |
EP1674673B1 (de) * | 2004-12-23 | 2007-03-21 | C.R.F. Società Consortile per Azioni | Brennkraftmaschine mit hydraulischen variablen Ventilen |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH243908A (de) * | 1944-11-27 | 1946-08-15 | Schweizerische Lokomotiv | Flüssigkeitsbremse mit Rückschlagventil am Passivkolben von hydraulisch gesteuerten Ventilen von Brennkraftmaschinen. |
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 |
DE3611476A1 (de) * | 1986-04-05 | 1987-10-08 | Irm Antriebstech Gmbh | Verfahren zur betaetigung von ventilen zum ladungswechsel bei brennkraftmaschinen mit direkter hydraulischer uebertragung |
DE3621402A1 (de) * | 1986-06-26 | 1988-01-14 | Kloeckner Humboldt Deutz Ag | Hydraulisch betaetigter stoessel |
DE3625664A1 (de) * | 1986-07-29 | 1988-02-04 | Bayerische Motoren Werke Ag | Vorrichtung zur beeinflussung des von einem nocken gesteuerten ventilhubes |
-
1988
- 1988-03-24 DE DE3809953A patent/DE3809953C1/de not_active Expired
-
1989
- 1989-03-21 ES ES89104989T patent/ES2024058B3/es not_active Expired - Lifetime
- 1989-03-21 DE DE8989104989T patent/DE58900184D1/de not_active Expired - Lifetime
- 1989-03-21 EP EP89104989A patent/EP0334272B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3809953C1 (de) | 1989-08-24 |
DE58900184D1 (de) | 1991-08-29 |
EP0334272A1 (de) | 1989-09-27 |
EP0334272B1 (de) | 1991-07-24 |
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