IT7925667A0 - Dispositivo idraulico perl'attivazione di valvole per il cambio di gas. - Google Patents
Dispositivo idraulico perl'attivazione di valvole per il cambio di gas.Info
- Publication number
- IT7925667A0 IT7925667A0 IT7925667A IT2566779A IT7925667A0 IT 7925667 A0 IT7925667 A0 IT 7925667A0 IT 7925667 A IT7925667 A IT 7925667A IT 2566779 A IT2566779 A IT 2566779A IT 7925667 A0 IT7925667 A0 IT 7925667A0
- Authority
- IT
- Italy
- Prior art keywords
- hydraulic device
- gas change
- activating valves
- activating
- valves
- Prior art date
Links
- 230000003213 activating effect Effects 0.000 title 1
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
-
- 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)
- Valves And Accessory Devices For Braking Systems (AREA)
- Vehicle Body Suspensions (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2840445A DE2840445C2 (de) | 1978-09-16 | 1978-09-16 | Hydraulische Vorrichtung zum Betätigen eines Gaswechselventils für Brennkraftmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7925667A0 true IT7925667A0 (it) | 1979-09-12 |
IT1123701B IT1123701B (it) | 1986-04-30 |
Family
ID=6049676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25667/79A IT1123701B (it) | 1978-09-16 | 1979-09-12 | Dispositivo idraulico per l'attivazione di valvole per il cambio di gas |
Country Status (14)
Country | Link |
---|---|
US (1) | US4278233A (it) |
JP (1) | JPS5543295A (it) |
CH (1) | CH642429A5 (it) |
DD (1) | DD146076A1 (it) |
DE (1) | DE2840445C2 (it) |
FR (1) | FR2436255B1 (it) |
GB (1) | GB2032005B (it) |
HU (1) | HU180014B (it) |
IN (1) | IN151291B (it) |
IT (1) | IT1123701B (it) |
PH (1) | PH17702A (it) |
RO (1) | RO78026A (it) |
SE (1) | SE438707B (it) |
SU (1) | SU997614A3 (it) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2480854A1 (fr) * | 1980-04-22 | 1981-10-23 | Renault | Commande de soupapes de moteurs a combustion interne par distributeur hydraulique a faible consommation de puissance |
FR2484531A1 (fr) * | 1980-06-11 | 1981-12-18 | Renault | Poussoir hydraulique de soupape, a fuite hydraulique et amortisseur de retombee de la soupape |
DE3115424A1 (de) * | 1981-04-16 | 1982-11-11 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg | Einrichtung zum taktrichtigen betaetigen von gaswechselventilen |
DE3115423A1 (de) * | 1981-04-16 | 1982-11-11 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg | Hydraulische einrichtung zum betaetigen von gaswechselventilen |
DE3115422A1 (de) * | 1981-04-16 | 1982-11-11 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg | Hydraulische einrichtung zum betaetigen von gaswechselventilen |
US4584974A (en) * | 1982-07-27 | 1986-04-29 | Nissan Motor Co., Ltd. | Valve operation changing system of internal combustion engine |
DE3300763A1 (de) * | 1983-01-12 | 1984-07-12 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg | Hydraulische einrichtung zum betaetigen von gaswechselventilen |
WO1986002405A1 (en) * | 1984-10-15 | 1986-04-24 | Williams John K | Hydraulic valve timing control device for an internal combustion engine |
DE3511820A1 (de) * | 1985-03-30 | 1986-10-02 | Robert Bosch Gmbh, 7000 Stuttgart | Ventilsteuervorrichtung fuer eine hubkolben-brennkraftmaschine |
DE3511819A1 (de) * | 1985-03-30 | 1986-10-09 | Robert Bosch Gmbh, 7000 Stuttgart | Ventilsteuervorrichtung |
DE3621402A1 (de) * | 1986-06-26 | 1988-01-14 | Kloeckner Humboldt Deutz Ag | Hydraulisch betaetigter stoessel |
WO1988002059A1 (en) * | 1986-09-09 | 1988-03-24 | Wride, Marlene, Alfreda | Variable lift cam follower |
JPS63176609A (ja) * | 1987-01-19 | 1988-07-20 | Honda Motor Co Ltd | 吸・排気弁の制御装置 |
US4852527A (en) * | 1987-01-28 | 1989-08-01 | General Motors Corporation | Low noise valve train |
JPH01134018A (ja) * | 1987-11-19 | 1989-05-26 | Honda Motor Co Ltd | 内燃機関の動弁装置 |
DE3809953C1 (it) * | 1988-03-24 | 1989-08-24 | Bayerische Motoren Werke Ag, 8000 Muenchen, De | |
DE3815668A1 (de) * | 1988-05-07 | 1989-11-16 | Bosch Gmbh Robert | Ventilsteuervorrichtung mit magnetventil fuer brennkraftmaschinen |
US4887562A (en) * | 1988-09-28 | 1989-12-19 | Siemens-Bendix Automotive Electronics L.P. | Modular, self-contained hydraulic valve timing systems for internal combustion engines |
US4901684A (en) * | 1988-11-10 | 1990-02-20 | Marlene Alfreda Wride | Variable lift cam follower |
US5002022A (en) * | 1989-08-30 | 1991-03-26 | Cummins Engine Company, Inc. | Valve control system with a variable timing hydraulic link |
CH681825A5 (it) * | 1991-05-22 | 1993-05-28 | New Sulzer Diesel Ag | |
WO1993014339A1 (en) * | 1992-01-13 | 1993-07-22 | Caterpillar Inc. | Engine valve seating velocity hydraulic snubber |
US5255639A (en) * | 1992-10-15 | 1993-10-26 | Siemens Automotive L.P. | Integral EVT/cylinder head assembly with self-purging fluid flow |
DE19723261C2 (de) * | 1997-06-03 | 1999-04-29 | Nicola Lapcevic | Ventilsteuerung |
US5996550A (en) * | 1997-07-14 | 1999-12-07 | Diesel Engine Retarders, Inc. | Applied lost motion for optimization of fixed timed engine brake system |
EP1036267A1 (en) | 1997-11-04 | 2000-09-20 | Diesel Engine Retarders, Inc. | Lost motion valve actuation system |
US6112710A (en) * | 1997-11-21 | 2000-09-05 | Diesel Engine Retarders, Inc. | Method and system start-up apparatus for removing air and debris from a valve actuation system |
DE19756018A1 (de) * | 1997-12-17 | 1999-06-24 | Porsche Ag | Einrichtung zur Druck- und/oder Schmiermittelbeaufschlagung eines hydraulischen Verbrauchers in einer Brennkraftmaschine |
GB9906504D0 (en) * | 1999-03-23 | 1999-05-12 | Csa Performance Ltd | Valve actuation means |
WO2001020150A1 (en) | 1999-09-17 | 2001-03-22 | Diesel Engine Retarders, Inc. | Captive volume accumulator for a lost motion system |
DE10039424A1 (de) * | 2000-08-11 | 2002-02-28 | Siemens Ag | Dosierventil mit einem hydraulischen Übertragungselement |
US7059283B2 (en) * | 2003-12-18 | 2006-06-13 | Olivetti Gian M | System and method of retaining hydraulic fluid in a hydraulic valve actuation system |
US6886511B1 (en) * | 2004-04-07 | 2005-05-03 | General Motors Corporation | Lost motion assembly for a poppet valve of an internal combustion engine |
DE102004024266A1 (de) * | 2004-05-15 | 2005-12-01 | Daimlerchrysler Ag | Vorrichtung zur Betätigung eines Gaswechselventils einer Brennkraftmaschine |
JP4705200B2 (ja) * | 2007-08-07 | 2011-06-22 | スクデリ グループ リミテッド ライアビリティ カンパニー | 耐ノック分割サイクルエンジン及び方法 |
FI124120B (fi) * | 2008-07-31 | 2014-03-31 | Wärtsilä Finland Oy | Ohjausjärjestely mäntämoottorissa |
CN105604625B (zh) * | 2016-03-07 | 2017-12-12 | 吉林大学 | 凸轮驱动式发动机液压气门控制装置 |
DE102016218918B4 (de) * | 2016-09-29 | 2018-09-13 | Schaeffler Technologies AG & Co. KG | Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb |
DE102016219297B4 (de) * | 2016-10-05 | 2021-12-30 | Schaeffler Technologies AG & Co. KG | Hydraulikeinheit für eine Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb |
DE102017202083A1 (de) | 2017-02-09 | 2018-08-09 | Skf Lubrication Systems Germany Gmbh | Schmiermittelreservoirsystem |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1696984A (en) * | 1926-11-08 | 1929-01-01 | Trbojevich Nikola | Fluid-operated valve |
US1690032A (en) * | 1927-04-25 | 1928-10-30 | Noble | Hydraulic valve gear |
DE467440C (de) * | 1927-05-08 | 1928-10-25 | Waggon Und Maschb Akt Ges Goer | Druckfluessigkeitssteuerung fuer Ventile von Brennkraftmaschinen |
US2126885A (en) * | 1936-02-25 | 1938-08-16 | Bendix Aviat Corp | Valve gear |
US2329662A (en) * | 1941-11-12 | 1943-09-14 | Wright Aeronautical Corp | Hydraulic valve gear |
US2602434A (en) * | 1947-03-29 | 1952-07-08 | Worthington Pump & Mach Corp | Hydraulic valve operating mechanism operable to vary valve lift and valve timing |
FR996813A (fr) * | 1949-08-23 | 1951-12-27 | Perfectionnements aux commandes hydrauliques | |
DE1264857B (de) * | 1960-02-10 | 1968-03-28 | Nuovo Pignone Spa | Hydraulische Einrichtung zum Betaetigen der Gaswechselventile fuer Brennkraftmaschinen und Motorkompressoren |
US3119592A (en) * | 1960-02-10 | 1964-01-28 | Nuovo Pignone Spa | Apparatus for hydraulic control of the valves of an internal combustion engine or motor compressor |
AT240649B (de) * | 1963-03-22 | 1965-06-10 | Hans Dipl Ing Dr Techn List | Hydraulische Steuerungseinrichtung für Brennkraftmaschinen, insbesondere Gasmaschinen |
US3306270A (en) * | 1964-07-09 | 1967-02-28 | Eugene L Mccarl | Valve operation system |
JPS543B2 (it) * | 1974-02-28 | 1979-01-05 | ||
DE2448311B2 (de) * | 1974-10-10 | 1978-03-23 | Maschinenfabrik Augsburg-Nuernberg Ag, 8500 Nuernberg | Regelbare hydraulische Ventilsteuerung für Hubkolbenkraft- oder Arbeitsmaschinen |
-
1978
- 1978-09-16 DE DE2840445A patent/DE2840445C2/de not_active Expired
-
1979
- 1979-08-15 CH CH747479A patent/CH642429A5/de not_active IP Right Cessation
- 1979-08-24 PH PH22954A patent/PH17702A/en unknown
- 1979-09-11 US US06/074,321 patent/US4278233A/en not_active Expired - Lifetime
- 1979-09-11 GB GB7931416A patent/GB2032005B/en not_active Expired
- 1979-09-12 FR FR7922807A patent/FR2436255B1/fr not_active Expired
- 1979-09-12 IT IT25667/79A patent/IT1123701B/it active
- 1979-09-13 DD DD79215525A patent/DD146076A1/de unknown
- 1979-09-13 SE SE7907629A patent/SE438707B/sv not_active IP Right Cessation
- 1979-09-14 HU HU79MA3204A patent/HU180014B/hu unknown
- 1979-09-14 JP JP11869979A patent/JPS5543295A/ja active Granted
- 1979-09-14 SU SU792811703A patent/SU997614A3/ru active
- 1979-09-15 RO RO7998682A patent/RO78026A/ro unknown
- 1979-09-15 IN IN968/CAL/79A patent/IN151291B/en unknown
Also Published As
Publication number | Publication date |
---|---|
SE438707B (sv) | 1985-04-29 |
GB2032005A (en) | 1980-04-30 |
GB2032005B (en) | 1982-09-08 |
SE7907629L (sv) | 1980-03-17 |
RO78026A (ro) | 1982-02-01 |
PH17702A (en) | 1984-11-14 |
DD146076A1 (de) | 1981-01-21 |
DE2840445A1 (de) | 1980-04-17 |
CH642429A5 (de) | 1984-04-13 |
IN151291B (it) | 1983-03-26 |
HU180014B (en) | 1983-01-28 |
DE2840445C2 (de) | 1984-10-04 |
IT1123701B (it) | 1986-04-30 |
JPS5543295A (en) | 1980-03-27 |
FR2436255B1 (fr) | 1985-10-25 |
JPS6315448B2 (it) | 1988-04-05 |
US4278233A (en) | 1981-07-14 |
SU997614A3 (ru) | 1983-02-15 |
FR2436255A1 (fr) | 1980-04-11 |
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