IT8820464A0 - Dispositivo per la variazione automatica della fasatura per un motore a c.i.. - Google Patents
Dispositivo per la variazione automatica della fasatura per un motore a c.i..Info
- Publication number
- IT8820464A0 IT8820464A0 IT8820464A IT2046488A IT8820464A0 IT 8820464 A0 IT8820464 A0 IT 8820464A0 IT 8820464 A IT8820464 A IT 8820464A IT 2046488 A IT2046488 A IT 2046488A IT 8820464 A0 IT8820464 A0 IT 8820464A0
- Authority
- IT
- Italy
- Prior art keywords
- engine
- automatic timing
- timing variation
- variation
- automatic
- Prior art date
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
- F01L1/34—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
- F01L1/34403—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 helically teethed sleeve or gear moving axially between crankshaft and camshaft
- F01L1/34406—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 helically teethed sleeve or gear moving axially between crankshaft and camshaft the helically teethed sleeve being located in the camshaft driving pulley
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT20464/88A IT1217500B (it) | 1988-05-05 | 1988-05-05 | Dispositivo per la variazione automatica della fasatura per un motore a c.i. |
DE68919896T DE68919896T2 (de) | 1988-05-05 | 1989-04-14 | Selbsttätige Steuerverstellvorrichtung für eine Brennkraftmaschine. |
EP89200945A EP0340821B1 (en) | 1988-05-05 | 1989-04-14 | Automatic timing variation device for an internal combustion engine |
US07/343,288 US4889086A (en) | 1988-05-05 | 1989-04-26 | Automatic timing variation device for an internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT20464/88A IT1217500B (it) | 1988-05-05 | 1988-05-05 | Dispositivo per la variazione automatica della fasatura per un motore a c.i. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8820464A0 true IT8820464A0 (it) | 1988-05-05 |
IT1217500B IT1217500B (it) | 1990-03-22 |
Family
ID=11167344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20464/88A IT1217500B (it) | 1988-05-05 | 1988-05-05 | Dispositivo per la variazione automatica della fasatura per un motore a c.i. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4889086A (it) |
EP (1) | EP0340821B1 (it) |
DE (1) | DE68919896T2 (it) |
IT (1) | IT1217500B (it) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0727365Y2 (ja) * | 1988-08-18 | 1995-06-21 | 株式会社ユニシアジェックス | 内燃機関のバルブタイミング制御装置 |
DE3830382C1 (it) * | 1988-09-07 | 1990-01-18 | Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
JP2781195B2 (ja) * | 1989-02-28 | 1998-07-30 | 株式会社ユニシアジェックス | 内燃機関のバルブタイミング制御装置 |
DE3907077A1 (de) * | 1989-03-04 | 1990-09-06 | Daimler Benz Ag | Einrichtung zur relativen winkelverstellung einer nockenwelle von brennkraftmaschinen |
IT1233099B (it) * | 1989-06-28 | 1992-03-14 | Goriziane Off Mec | Variatore di fase, particolarmente per la variazione della fase relativa fra l'albero a camme ed il meccanismo di comando della distribuzione in un motore a combustione interna |
DE4029849C2 (de) * | 1989-09-20 | 1994-06-30 | Atsugi Unisia Corp | Ventilsteuerzeiten-Einstellvorrichtung für Brennkraftmaschinen |
US5163872A (en) * | 1989-10-10 | 1992-11-17 | General Motors Corporation | Compact camshaft phasing drive |
US5119691A (en) * | 1989-10-10 | 1992-06-09 | General Motors Corporation | Hydraulic phasers and valve means therefor |
US5033327A (en) * | 1989-10-10 | 1991-07-23 | General Motors Corporation | Camshaft phasing drive with wedge actuators |
US5172659A (en) * | 1989-10-16 | 1992-12-22 | Borg-Warner Automotive Transmission & Engine Components Corporation | Differential pressure control system for variable camshaft timing system |
FR2658239A1 (en) * | 1990-01-30 | 1991-08-16 | Atsugi Unigia Corp | Apparatus for adjusting the valve control of an internal combustion engine |
JP2760619B2 (ja) * | 1990-01-30 | 1998-06-04 | 株式会社ユニシアジェックス | 内燃機関のバルブタイミング制御装置 |
US5088456A (en) * | 1990-01-30 | 1992-02-18 | Atsugi-Unisia Corporation | Valve timing control system to adjust phase relationship between maximum, intermediate, and minimum advance position |
US4976229A (en) * | 1990-02-12 | 1990-12-11 | Siemens Automotive L.P. | Engine camshaft phasing |
JPH04191406A (ja) * | 1990-11-26 | 1992-07-09 | Atsugi Unisia Corp | 内燃機関のバルブタイミング制御装置 |
US5097804A (en) * | 1991-04-18 | 1992-03-24 | Eaton Corporation | Phase change device |
JP2570766Y2 (ja) * | 1991-08-23 | 1998-05-13 | 株式会社ユニシアジェックス | 内燃機関のバルブタイミング制御装置 |
DE4128656C2 (de) * | 1991-08-29 | 1994-10-20 | Bosch Gmbh Robert | Hydraulische Stelleinrichtung und deren Verwendung |
JPH0547309U (ja) * | 1991-11-28 | 1993-06-22 | 株式会社ユニシアジェックス | 内燃機関のバルブタイミング制御装置 |
DE4218082C5 (de) * | 1992-06-01 | 2006-06-29 | Schaeffler Kg | Vorrichtung zur kontinuierlichen Winkelverstellung zwischen zwei in Antriebsverbindung stehenden Wellen |
US5297508A (en) * | 1993-07-06 | 1994-03-29 | Ford Motor Company | Variable camshaft drive system for internal combustion engine |
DE19633418A1 (de) * | 1996-08-20 | 1998-03-05 | Porsche Ag | Vorrichtung zur Abdichtung eines feststehenden, zylindrischen Bauteils |
WO2006047099A2 (en) | 2004-10-26 | 2006-05-04 | George Louie | Continuously variable valve timing device |
US7866292B2 (en) * | 2008-03-26 | 2011-01-11 | AES Industries Inc | Apparatus and methods for continuous variable valve timing |
US8016684B2 (en) * | 2008-07-29 | 2011-09-13 | Honda Motor Company, Ltd. | Centrifugal advance mechanism |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1093715B (it) * | 1978-03-24 | 1985-07-26 | Alfa Romeo Spa | Variatore di fase della distribuzione per motore alternativo a combustione interna |
IT1150995B (it) * | 1980-07-31 | 1986-12-17 | Alfa Romeo Spa | Variatore automatico di fase per motore a combustione interna |
IT1152959B (it) * | 1982-05-17 | 1987-01-14 | Alfa Romeo Spa | Dispositivo per la variazione automatica della fasatura di un albero a camme |
US4601266A (en) * | 1983-12-30 | 1986-07-22 | Renold Plc | Phasing device for machine applications |
US4811698A (en) * | 1985-05-22 | 1989-03-14 | Atsugi Motor Parts Company, Limited | Valve timing adjusting mechanism for internal combustion engine for adjusting timing of intake valve and/or exhaust valve corresponding to engine operating conditions |
DE3616234A1 (de) * | 1986-05-14 | 1987-11-19 | Bayerische Motoren Werke Ag | Vorrichtung zur relativen drehlagenaenderung zweier in antriebsverbindung stehender wellen, insbesondere zwischen in einem maschinengehaeuse einer brennkraftmaschine gelagerten kurbelwelle und nockenwelle |
-
1988
- 1988-05-05 IT IT20464/88A patent/IT1217500B/it active
-
1989
- 1989-04-14 DE DE68919896T patent/DE68919896T2/de not_active Expired - Fee Related
- 1989-04-14 EP EP89200945A patent/EP0340821B1/en not_active Expired - Lifetime
- 1989-04-26 US US07/343,288 patent/US4889086A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0340821A3 (en) | 1990-04-11 |
DE68919896D1 (de) | 1995-01-26 |
IT1217500B (it) | 1990-03-22 |
US4889086A (en) | 1989-12-26 |
DE68919896T2 (de) | 1995-05-04 |
EP0340821B1 (en) | 1994-12-14 |
EP0340821A2 (en) | 1989-11-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970528 |