US20040163616A1 - Transmission control for a multicylinder engine with a double line of cylinder - Google Patents

Transmission control for a multicylinder engine with a double line of cylinder Download PDF

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Publication number
US20040163616A1
US20040163616A1 US10/658,892 US65889203A US2004163616A1 US 20040163616 A1 US20040163616 A1 US 20040163616A1 US 65889203 A US65889203 A US 65889203A US 2004163616 A1 US2004163616 A1 US 2004163616A1
Authority
US
United States
Prior art keywords
internal
combustion engine
control
shaft
valves
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US10/658,892
Other languages
English (en)
Inventor
Giorgio Bertero
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fiat Auto SpA
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
Assigned to FIAT AUTO S.P.A. reassignment FIAT AUTO S.P.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BERTERO, GIORGIO
Publication of US20040163616A1 publication Critical patent/US20040163616A1/en
Abandoned legal-status Critical Current

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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
    • F01L1/024—Belt 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
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
    • F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
    • F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
    • 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
    • F01L2001/0535—Single overhead camshafts [SOHC]
    • 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
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement

Definitions

  • the present invention refers to the control device for the valves or internal-combustion motors presenting at least two lines of several identical cylinders and in which the control of the valves of each cylinder line is deputed to at least one camshaft.
  • the invention refers to a control device for engine of the aforementioned type which are quite reduced in size and which are able to utilise the same cylinder heads for both cylinder lines.
  • a secondary shaft is used, the shaft being placed on the longitudinal plane of symmetry, inside the V formed by the two lines of cylinders.
  • Said shaft will be obviously provided at its ends with two identical pinions or pulleys in the case of belt drive, which will control the camshafts by means of crowns or pulleys of adequate size, mounted on one of the two ends of said camshafts. This allows to have series of components of the engine which are fully identical and to make production less expensive.
  • a control device for an internal-combustion engine with two V lines of cylinders as the one described above is shown in German Patent n.DE 3916512, by Ford Werke A G.
  • this control can have only a chain contro both between the drive and the secondary shaft and between the secondary shaft and the camshafts.
  • the drive on the drive shaft controls only the secondary shaft, without being used for different devices, mounted at the correct position in order to save the moving parts and the relative power absorption as well as manpower during the assembling stage.
  • reference number 1 indicates an internal-combustion V engine, with two lines of several cylinders 3 and 4 , which are placed symmetrically in relationship to a longitudinal plane P passing through the axis of the drive shaft 5 .
  • Each line of cylinders 3 and 4 presents at least a camshaft 8 and 9 , provided with pulley gear 10 and 11 at one of its ends intended to control its valves.
  • two transmission devices 13 and 14 are present, the devices presenting a chain or a toothed belt and connecting the two crowns or toothed pulleys 10 and 11 on the camshafts, to two pinions or toothed pulleys 16 and 17 placed at the two ends of a secondary shaft 18 .
  • the shaft 18 extends longitudinally between two lines or bearings of cylinders 3 and 4 , with its axis preferably located on the symmetry plane P, so that the length of the two timing devices is the same, the way the camshaft mutually rotated by 180° are the same as well.
  • This arrangement of camshafts, pinions, crowns or toothed pulleys, secondary shaft and transmission system devices, allows the two heads to be basically the same so that time can be saved and costs can be reduced.
  • the secondary shaft 18 is controlled by means of a chain or toothed belt transmission device 20 .
  • Said device is coupled to a pinion 21 at the end of the crankshaft 5 at one side and controls a crown or toothed pulley 22 fixed to the shaft 18 .
  • the timing system device 20 is coupled to a second crown or toothed crown 24 which, according to the invention, is adapted to control a secondary device 26 of the internal-combustion engine, such as the cooling water pump or the generator.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
US10/658,892 2002-09-20 2003-09-09 Transmission control for a multicylinder engine with a double line of cylinder Abandoned US20040163616A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO2002A000822 2002-09-20
IT000822A ITTO20020822A1 (it) 2002-09-20 2002-09-20 Comando della distribuzione per un motore pluricilindrico con due file di cilindri.

Publications (1)

Publication Number Publication Date
US20040163616A1 true US20040163616A1 (en) 2004-08-26

Family

ID=31898515

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/658,892 Abandoned US20040163616A1 (en) 2002-09-20 2003-09-09 Transmission control for a multicylinder engine with a double line of cylinder

Country Status (4)

Country Link
US (1) US20040163616A1 (pl)
EP (1) EP1400668A2 (pl)
IT (1) ITTO20020822A1 (pl)
PL (1) PL362105A1 (pl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070234981A1 (en) * 2006-03-17 2007-10-11 Hans-Rudolf Jenni V-engine with auxiliary shafts
JP2011122510A (ja) * 2009-12-10 2011-06-23 Fuji Heavy Ind Ltd 内燃機関の動弁駆動装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10337899A1 (de) * 2003-08-18 2005-03-17 Audi Ag Vorrichtung zum Antrieb zumindestens einer Nockenwelle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5724930A (en) * 1995-09-29 1998-03-10 Yamaha Hatsudoki Kabushiki Kaisha Timing case cover for engine
US6491010B2 (en) * 2001-03-09 2002-12-10 Kawasaki Jukogyo Kabushiki Kaisha Over-head cam type V-type engine
US6568363B2 (en) * 2000-08-25 2003-05-27 Honda Giken Kogyo Kabushiki Kaisha Auxiliary machinery mounting structure of an engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5724930A (en) * 1995-09-29 1998-03-10 Yamaha Hatsudoki Kabushiki Kaisha Timing case cover for engine
US6568363B2 (en) * 2000-08-25 2003-05-27 Honda Giken Kogyo Kabushiki Kaisha Auxiliary machinery mounting structure of an engine
US6491010B2 (en) * 2001-03-09 2002-12-10 Kawasaki Jukogyo Kabushiki Kaisha Over-head cam type V-type engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070234981A1 (en) * 2006-03-17 2007-10-11 Hans-Rudolf Jenni V-engine with auxiliary shafts
JP2011122510A (ja) * 2009-12-10 2011-06-23 Fuji Heavy Ind Ltd 内燃機関の動弁駆動装置

Also Published As

Publication number Publication date
ITTO20020822A1 (it) 2004-03-21
EP1400668A2 (en) 2004-03-24
PL362105A1 (pl) 2004-03-22

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Legal Events

Date Code Title Description
AS Assignment

Owner name: FIAT AUTO S.P.A., ITALY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:BERTERO, GIORGIO;REEL/FRAME:014942/0018

Effective date: 20031103

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION