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IT1241217B - Motore a combustione interna con tenditore della catena di trasmissione fra due alberi a camma in testa - Google Patents

Motore a combustione interna con tenditore della catena di trasmissione fra due alberi a camma in testa

Info

Publication number
IT1241217B
IT1241217B IT67335A IT6733590A IT1241217B IT 1241217 B IT1241217 B IT 1241217B IT 67335 A IT67335 A IT 67335A IT 6733590 A IT6733590 A IT 6733590A IT 1241217 B IT1241217 B IT 1241217B
Authority
IT
Italy
Prior art keywords
camshafts
head
combustion engine
internal combustion
transmission chain
Prior art date
Application number
IT67335A
Other languages
English (en)
Other versions
IT9067335A1 (it
IT9067335A0 (it
Inventor
Francesco Ferrazzi
Original Assignee
Fiat Auto 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 Fiat Auto Spa filed Critical Fiat Auto Spa
Priority to IT67335A priority Critical patent/IT1241217B/it
Publication of IT9067335A0 publication Critical patent/IT9067335A0/it
Priority to US07/688,397 priority patent/US5088457A/en
Priority to EP91830173A priority patent/EP0456618B1/en
Priority to DE69102584T priority patent/DE69102584T2/de
Publication of IT9067335A1 publication Critical patent/IT9067335A1/it
Application granted granted Critical
Publication of IT1241217B publication Critical patent/IT1241217B/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
    • F01L1/02—Valve drive
    • 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
    • F01L1/022—Chain drive
    • 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
    • F01L1/024—Belt drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H7/0848—Means for varying tension of belts, ropes, or chains with means for impeding reverse motion
    • 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
    • F01L1/047—Camshafts
    • F01L1/053—Camshafts overhead type
    • F01L2001/0537—Double overhead camshafts [DOHC]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/08—Endless member is a chain
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/18—DOHC [Double overhead camshaft]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H2007/0802—Actuators for final output members
    • F16H2007/0806—Compression coil springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H2007/0889—Path of movement of the finally actuated member
    • F16H2007/0891—Linear path

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
IT67335A 1990-05-08 1990-05-08 Motore a combustione interna con tenditore della catena di trasmissione fra due alberi a camma in testa IT1241217B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT67335A IT1241217B (it) 1990-05-08 1990-05-08 Motore a combustione interna con tenditore della catena di trasmissione fra due alberi a camma in testa
US07/688,397 US5088457A (en) 1990-05-08 1991-04-22 Internal combustion engine with a tensioner for the transmission chain between two overhead camshafts
EP91830173A EP0456618B1 (en) 1990-05-08 1991-04-30 An internal combustion engine with a tensioner for the transmission chain between two overhead camshafts
DE69102584T DE69102584T2 (de) 1990-05-08 1991-04-30 Brennkraftmaschine mit einem Spanner für die Antriebskette zwischen zwei obenliegenden Nockenwellen.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67335A IT1241217B (it) 1990-05-08 1990-05-08 Motore a combustione interna con tenditore della catena di trasmissione fra due alberi a camma in testa

Publications (3)

Publication Number Publication Date
IT9067335A0 IT9067335A0 (it) 1990-05-08
IT9067335A1 IT9067335A1 (it) 1991-11-08
IT1241217B true IT1241217B (it) 1993-12-29

Family

ID=11301555

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67335A IT1241217B (it) 1990-05-08 1990-05-08 Motore a combustione interna con tenditore della catena di trasmissione fra due alberi a camma in testa

Country Status (4)

Country Link
US (1) US5088457A (it)
EP (1) EP0456618B1 (it)
DE (1) DE69102584T2 (it)
IT (1) IT1241217B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4041785A1 (de) * 1990-12-24 1992-06-25 Opel Adam Ag Nockenwellensteller
US5257962A (en) * 1992-12-18 1993-11-02 Chrysler Corporation Output assembly for a north-south transaxle
US5297508A (en) * 1993-07-06 1994-03-29 Ford Motor Company Variable camshaft drive system for internal combustion engine
DE4429071C2 (de) * 1994-08-17 1997-07-31 Porsche Ag Vorrichtung zum Spannen und Verstellen eines als Kette ausgebildeten Umschlingungstriebes
FR2745056B1 (fr) * 1996-02-16 1998-04-03 Peugeot Dispositif de tension d'une chaine de transmission reliant deux arbres a cames d'un moteur a combustion
GB9621440D0 (en) * 1996-10-15 1996-12-04 Renold Plc A chain tensioner
FR2766540B1 (fr) * 1997-07-28 1999-10-15 Sachs Ind Sa Chaine de transmission notamment chaine de distribution pour moteur a combustion interne
DE19954481A1 (de) 1999-11-12 2001-05-23 Porsche Ag Kettenführung für einen Steuerwellenantrieb einer Brennkraftmaschine sowie Verfahren zur Herstellung einer Kettenführung
FR2917464B1 (fr) * 2007-06-12 2009-09-18 Peugeot Citroen Automobiles Sa Moteur a combustion interne comportant un dispositif de tension de chaine integre a la culasse

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3081643A (en) * 1960-12-22 1963-03-19 Gen Motors Corp Chain tightener
DE1946651C3 (de) * 1969-09-15 1975-09-25 Joh. Winklhofer & Soehne, 8000 Muenchen Spanner für endlose Zugmittel, insbesondere für Ketten
GB2065265B (en) * 1979-12-19 1983-09-01 Kubota Ltd Chain tensioner
IT1137754B (it) * 1981-07-23 1986-09-10 Piaggio & C Spa Dispositivo regolatore di tensione per cinghie dentate di trasmissione soggette a forti sbalzi di temperatura
JPH0627486B2 (ja) * 1984-05-01 1994-04-13 ヤマハ発動機株式会社 自動車用ｖ型エンジン
DE3421028A1 (de) * 1984-06-06 1985-12-12 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart Nockenwellenantrieb einer brennkraftmaschine
US4713043A (en) * 1985-02-26 1987-12-15 Joh. Winklhofer & Sohne Chain tensioner
JP2610121B2 (ja) * 1985-05-14 1997-05-14 ヤマハ発動機株式会社 内燃機関の開弁時期調節装置
US4726331A (en) * 1986-05-06 1988-02-23 Yamaha Hatsudoki Kabushiki Kaisha Means for variable valve timing for engine
US4874352A (en) * 1987-08-06 1989-10-17 Tsubakimoto Chain Co. Fluidic tensioner
DE3741860A1 (de) * 1987-12-10 1989-06-22 Schaeffler Waelzlager Kg Spannvorrichtung fuer einen riemen

Also Published As

Publication number Publication date
IT9067335A1 (it) 1991-11-08
DE69102584D1 (de) 1994-07-28
US5088457A (en) 1992-02-18
EP0456618B1 (en) 1994-06-22
DE69102584T2 (de) 1994-10-06
EP0456618A1 (en) 1991-11-13
IT9067335A0 (it) 1990-05-08

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970530