IT1217500B - 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
IT1217500B
IT1217500B IT20464/88A IT2046488A IT1217500B IT 1217500 B IT1217500 B IT 1217500B IT 20464/88 A IT20464/88 A IT 20464/88A IT 2046488 A IT2046488 A IT 2046488A IT 1217500 B IT1217500 B IT 1217500B
Authority
IT
Italy
Prior art keywords
motor
variation device
automatic timing
timing variation
automatic
Prior art date
Application number
IT20464/88A
Other languages
English (en)
Other versions
IT8820464A0 (it
Inventor
Pier Luigi Scapecchi
Giovanni Coghi
Paolo Lanati
Original Assignee
Alfa Lancia Ind
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alfa Lancia Ind filed Critical Alfa Lancia Ind
Priority to IT20464/88A priority Critical patent/IT1217500B/it
Publication of IT8820464A0 publication Critical patent/IT8820464A0/it
Priority to EP89200945A priority patent/EP0340821B1/en
Priority to DE68919896T priority patent/DE68919896T2/de
Priority to US07/343,288 priority patent/US4889086A/en
Application granted granted Critical
Publication of IT1217500B publication Critical patent/IT1217500B/it

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)
IT20464/88A 1988-05-05 1988-05-05 Dispositivo per la variazione automatica della fasatura per un motore a c.i. IT1217500B (it)

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.
EP89200945A EP0340821B1 (en) 1988-05-05 1989-04-14 Automatic timing variation device for an internal combustion engine
DE68919896T DE68919896T2 (de) 1988-05-05 1989-04-14 Selbsttätige Steuerverstellvorrichtung für eine Brennkraftmaschine.
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 IT8820464A0 (it) 1988-05-05
IT1217500B true 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)

* Cited by examiner, † Cited by third party
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
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
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
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP0340821B1 (en) 1994-12-14
DE68919896T2 (de) 1995-05-04
DE68919896D1 (de) 1995-01-26
EP0340821A2 (en) 1989-11-08
US4889086A (en) 1989-12-26
EP0340821A3 (en) 1990-04-11
IT8820464A0 (it) 1988-05-05

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970528