IT1281881B1 - Dispositivo meccanico per variare la fase fra albero motore ed un albero a camme di un motore a combustione interna. - Google Patents

Dispositivo meccanico per variare la fase fra albero motore ed un albero a camme di un motore a combustione interna.

Info

Publication number
IT1281881B1
IT1281881B1 IT95PD000094A ITPD950094A IT1281881B1 IT 1281881 B1 IT1281881 B1 IT 1281881B1 IT 95PD000094 A IT95PD000094 A IT 95PD000094A IT PD950094 A ITPD950094 A IT PD950094A IT 1281881 B1 IT1281881 B1 IT 1281881B1
Authority
IT
Italy
Prior art keywords
camshaft
crankshaft
phase
change
combustion engine
Prior art date
Application number
IT95PD000094A
Other languages
English (en)
Inventor
Renzo Tortul
Original Assignee
Carraro Spa
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 Carraro Spa filed Critical Carraro Spa
Priority to IT95PD000094A priority Critical patent/IT1281881B1/it
Publication of ITPD950094A0 publication Critical patent/ITPD950094A0/it
Priority to EP96201233A priority patent/EP0742350A3/en
Priority to US08/644,192 priority patent/US5743155A/en
Publication of ITPD950094A1 publication Critical patent/ITPD950094A1/it
Application granted granted Critical
Publication of IT1281881B1 publication Critical patent/IT1281881B1/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2101—Cams
    • Y10T74/2102—Adjustable
IT95PD000094A 1995-05-11 1995-05-11 Dispositivo meccanico per variare la fase fra albero motore ed un albero a camme di un motore a combustione interna. IT1281881B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT95PD000094A IT1281881B1 (it) 1995-05-11 1995-05-11 Dispositivo meccanico per variare la fase fra albero motore ed un albero a camme di un motore a combustione interna.
EP96201233A EP0742350A3 (en) 1995-05-11 1996-05-03 A mechanical device for changing the phase ratio between the engine shaft and a camshaft of an internal combustion engine
US08/644,192 US5743155A (en) 1995-05-11 1996-05-10 Mechanical device for changing the phase relationship between the engine shaft and a camshaft of an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT95PD000094A IT1281881B1 (it) 1995-05-11 1995-05-11 Dispositivo meccanico per variare la fase fra albero motore ed un albero a camme di un motore a combustione interna.

Publications (3)

Publication Number Publication Date
ITPD950094A0 ITPD950094A0 (it) 1995-05-11
ITPD950094A1 ITPD950094A1 (it) 1996-11-11
IT1281881B1 true IT1281881B1 (it) 1998-03-03

Family

ID=11391049

Family Applications (1)

Application Number Title Priority Date Filing Date
IT95PD000094A IT1281881B1 (it) 1995-05-11 1995-05-11 Dispositivo meccanico per variare la fase fra albero motore ed un albero a camme di un motore a combustione interna.

Country Status (3)

Country Link
US (1) US5743155A (it)
EP (1) EP0742350A3 (it)
IT (1) IT1281881B1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1294653B1 (it) * 1997-09-11 1999-04-12 Carraro Spa Dispositivo meccanico per variare la fase fra albero motore ed un albero a camme di un motore a combustione interna
JP3960917B2 (ja) * 2001-01-29 2007-08-15 株式会社日立製作所 内燃機関のバルブタイミング制御装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57189719A (en) * 1981-05-11 1982-11-22 Yanmar Diesel Engine Co Ltd Working method of non-backlash gear
JP2543846B2 (ja) * 1985-06-28 1996-10-16 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調整装置の組立方法
US5067450A (en) * 1989-03-14 1991-11-26 Aisin Seiki Kabushiki Kaisha Variable valve timing system having rotational vibration damping
CA2025058C (en) * 1989-10-10 1995-01-03 Michael J. Niemiec Compact camshaft phasing drive
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
DE4023853A1 (de) * 1990-07-27 1992-01-30 Audi Ag Ventilgesteuerte brennkraftmaschine
DE4024056C1 (it) * 1990-07-28 1991-09-19 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart, De
JPH0533614A (ja) * 1991-07-31 1993-02-09 Atsugi Unisia Corp 内燃機関のバルブタイミング制御装置
DE4135380A1 (de) * 1991-10-26 1993-04-29 Bosch Gmbh Robert Hydraulische steuereinrichtung
DE4218078C5 (de) * 1992-06-01 2006-07-13 Schaeffler Kg Vorrichtung zur selbsttätigen, kontinuierlichen Winkelverstellung zwischen zwei in Antriebsverbindung stehenden Wellen
JPH0610626A (ja) * 1992-06-26 1994-01-18 Nippondenso Co Ltd 内燃機関のバルブタイミング制御装置
JP3392514B2 (ja) * 1993-05-10 2003-03-31 日鍛バルブ株式会社 エンジンのバルブタイミング制御装置

Also Published As

Publication number Publication date
EP0742350A2 (en) 1996-11-13
ITPD950094A0 (it) 1995-05-11
EP0742350A3 (en) 1997-05-02
US5743155A (en) 1998-04-28
ITPD950094A1 (it) 1996-11-11

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Legal Events

Date Code Title Description
0001 Granted