EP1046793A3 - Variable cam timing system and method - Google Patents

Variable cam timing system and method Download PDF

Info

Publication number
EP1046793A3
EP1046793A3 EP00302306A EP00302306A EP1046793A3 EP 1046793 A3 EP1046793 A3 EP 1046793A3 EP 00302306 A EP00302306 A EP 00302306A EP 00302306 A EP00302306 A EP 00302306A EP 1046793 A3 EP1046793 A3 EP 1046793A3
Authority
EP
European Patent Office
Prior art keywords
cam timing
outlets
pressurised fluid
variable cam
timing system
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.)
Withdrawn
Application number
EP00302306A
Other languages
German (de)
French (fr)
Other versions
EP1046793A2 (en
Inventor
Anthony Frank Dimaria
John Paul Vivier
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.)
Ford Global Technologies LLC
Original Assignee
Ford Global Technologies LLC
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 Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Publication of EP1046793A2 publication Critical patent/EP1046793A2/en
Publication of EP1046793A3 publication Critical patent/EP1046793A3/en
Withdrawn legal-status Critical Current

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
    • 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
    • F01L2001/0476—Camshaft bearings
    • 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
    • F01L2001/34486—Location and number of the means for changing the angular relationship
    • F01L2001/34496—Two phasers on different camshafts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

An apparatus and method for supplying pressurised fluid to a variable cam timing phasing unit. A bearing is secured to the engine for rotatably supporting the cam shaft. The bearing has an inlet for pressurised fluid and a pair of outlets for the pressurised fluid. One of the outlets is associated with relatively advancing cam timing and the other of the outlets is associated with relatively retarding cam timing. A solenoid valve selectively routes pressurised fluid between the inlet and one of the outlets.
EP00302306A 1999-04-21 2000-03-22 Variable cam timing system and method Withdrawn EP1046793A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US295525 1981-08-24
US29552599A 1999-04-21 1999-04-21

Publications (2)

Publication Number Publication Date
EP1046793A2 EP1046793A2 (en) 2000-10-25
EP1046793A3 true EP1046793A3 (en) 2002-08-21

Family

ID=23138074

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00302306A Withdrawn EP1046793A3 (en) 1999-04-21 2000-03-22 Variable cam timing system and method

Country Status (1)

Country Link
EP (1) EP1046793A3 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001050102A (en) * 1999-05-31 2001-02-23 Yamaha Motor Co Ltd Four-cycle engine
JP3546994B2 (en) * 1999-09-03 2004-07-28 本田技研工業株式会社 Oil passage structure of valve train control device of internal combustion engine
JPWO2002046583A1 (en) * 2000-12-04 2004-04-08 三菱電機株式会社 Oil control valve and mounting method
EP1245803A1 (en) 2001-03-30 2002-10-02 Gomecsys B.V. Internal combustion engine with variable compression ratio
DE50108826D1 (en) 2001-04-07 2006-04-13 Ford Global Tech Llc Piston pump for hydraulic systems
DE10118119C2 (en) * 2001-04-11 2003-11-20 Ina Schaeffler Kg Internal combustion engine with two camshafts arranged side by side in their cylinder head, in particular with an intake and an exhaust camshaft
JP3821366B2 (en) * 2001-11-30 2006-09-13 ヤマハ発動機株式会社 Oil supply device in valve mechanism of internal combustion engine
JP3966003B2 (en) 2002-02-05 2007-08-29 日産自動車株式会社 Internal combustion engine
JP4032832B2 (en) 2002-06-04 2008-01-16 日産自動車株式会社 Cam bearing device for internal combustion engine
DE60301539T2 (en) * 2002-11-14 2006-06-14 Mazda Motor Variable valve control device of an internal combustion engine
JP4613760B2 (en) * 2004-09-27 2011-01-19 アイシン精機株式会社 Solenoid valve unit, engine cover unit
DE102005040934A1 (en) * 2005-02-03 2006-08-17 Mahle International Gmbh Adjustable camshaft, in particular for internal combustion engines of motor vehicles, with a hydraulic adjusting device
JP2006220073A (en) * 2005-02-10 2006-08-24 Toyota Motor Corp Mounting structure of sensor for internal combustion engine and cam cap assembly
DE102005035476B4 (en) 2005-07-26 2022-07-07 Jörg von Seggern Maschinenbau GmbH Device for gas-tight packaging of objects
US7395802B2 (en) 2006-06-07 2008-07-08 Ford Global Technologies, Llc Oil supply for internal combustion engine camshaft
EP2400122B1 (en) * 2007-08-23 2012-06-27 Honda Motor Co., Ltd. Valve operation control system for internal combustion engine
US9797280B2 (en) 2015-10-09 2017-10-24 Ford Global Technologies, Llc Camshaft thrust bearing lubrication system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5143034A (en) * 1990-03-29 1992-09-01 Mazda Motor Corporation Lubrication system for V-type overhead camshaft engine
US5301639A (en) * 1992-06-26 1994-04-12 Nippondenso Co., Ltd. Valve timing control device for internal combustion engine
US5540197A (en) * 1995-01-27 1996-07-30 Ina Walzlager Schaeffler Kg Device for adjusting valve timing in an internal combustion engine
US5669343A (en) * 1993-11-16 1997-09-23 Nippondenso Co., Ltd. Valve timing control system for internal combustion engine
EP0808997A1 (en) * 1996-05-24 1997-11-26 Toyota Jidosha Kabushiki Kaisha Valve performance control apparatus for internal combustion engine
EP0829621A2 (en) * 1996-09-13 1998-03-18 Toyota Jidosha Kabushiki Kaisha A variable valve timing mechanism (VVT)
EP0859130A1 (en) * 1997-02-14 1998-08-19 Toyota Jidosha Kabushiki Kaisha System for regulating valve timing of internal combustion engine
EP0945598A2 (en) * 1998-03-27 1999-09-29 Yamaha Hatsudoki Kabushiki Kaisha Four stroke internal combustion engine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5119691A (en) 1989-10-10 1992-06-09 General Motors Corporation Hydraulic phasers and valve means therefor
JPH06280516A (en) 1993-03-25 1994-10-04 Nippondenso Co Ltd Valve operation timing adjustment device in an internal combustion engine
US5657725A (en) 1994-09-15 1997-08-19 Borg-Warner Automotive, Inc. VCT system utilizing engine oil pressure for actuation

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5143034A (en) * 1990-03-29 1992-09-01 Mazda Motor Corporation Lubrication system for V-type overhead camshaft engine
US5301639A (en) * 1992-06-26 1994-04-12 Nippondenso Co., Ltd. Valve timing control device for internal combustion engine
US5669343A (en) * 1993-11-16 1997-09-23 Nippondenso Co., Ltd. Valve timing control system for internal combustion engine
US5540197A (en) * 1995-01-27 1996-07-30 Ina Walzlager Schaeffler Kg Device for adjusting valve timing in an internal combustion engine
EP0808997A1 (en) * 1996-05-24 1997-11-26 Toyota Jidosha Kabushiki Kaisha Valve performance control apparatus for internal combustion engine
EP0829621A2 (en) * 1996-09-13 1998-03-18 Toyota Jidosha Kabushiki Kaisha A variable valve timing mechanism (VVT)
EP0859130A1 (en) * 1997-02-14 1998-08-19 Toyota Jidosha Kabushiki Kaisha System for regulating valve timing of internal combustion engine
EP0945598A2 (en) * 1998-03-27 1999-09-29 Yamaha Hatsudoki Kabushiki Kaisha Four stroke internal combustion engine

Also Published As

Publication number Publication date
EP1046793A2 (en) 2000-10-25

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