EP2505795A4 - Variable valve device of an internal combustion engine - Google Patents

Variable valve device of an internal combustion engine

Info

Publication number
EP2505795A4
EP2505795A4 EP10833172.9A EP10833172A EP2505795A4 EP 2505795 A4 EP2505795 A4 EP 2505795A4 EP 10833172 A EP10833172 A EP 10833172A EP 2505795 A4 EP2505795 A4 EP 2505795A4
Authority
EP
European Patent Office
Prior art keywords
combustion engine
internal combustion
valve device
variable valve
variable
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.)
Granted
Application number
EP10833172.9A
Other languages
German (de)
French (fr)
Other versions
EP2505795A1 (en
EP2505795B1 (en
Inventor
Daisuke Yoshika
Shinichi Murata
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.)
Mitsubishi Motors Corp
Original Assignee
Mitsubishi Motors Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44066431&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2505795(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mitsubishi Motors Corp filed Critical Mitsubishi Motors Corp
Publication of EP2505795A1 publication Critical patent/EP2505795A1/en
Publication of EP2505795A4 publication Critical patent/EP2505795A4/en
Application granted granted Critical
Publication of EP2505795B1 publication Critical patent/EP2505795B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01L1/3442—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 hydraulic chambers with variable volume to transmit the rotating force
    • 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
    • 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
    • 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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/14—Tappets; Push rods
    • F01L1/143—Tappets; Push rods for use with overhead camshafts
    • 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
    • F01L1/34413—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 composite camshafts, e.g. with cams being able to move relative to the camshaft
    • 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
    • F01L2001/0471—Assembled camshafts
    • F01L2001/0473—Composite camshafts, e.g. with cams or cam sleeve being able to move relative to the inner camshaft or a cam adjusting rod
    • 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
    • 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
    • F01L1/3442—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 hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
    • F01L2001/34483—Phaser return springs

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)
EP10833172.9A 2009-11-25 2010-11-22 Variable valve device of an internal combustion engine Not-in-force EP2505795B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009267506A JP4883330B2 (en) 2009-11-25 2009-11-25 Variable valve operating device for internal combustion engine
PCT/JP2010/070799 WO2011065326A1 (en) 2009-11-25 2010-11-22 Variable valve device of an internal combustion engine

Publications (3)

Publication Number Publication Date
EP2505795A1 EP2505795A1 (en) 2012-10-03
EP2505795A4 true EP2505795A4 (en) 2013-04-24
EP2505795B1 EP2505795B1 (en) 2014-06-11

Family

ID=44066431

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10833172.9A Not-in-force EP2505795B1 (en) 2009-11-25 2010-11-22 Variable valve device of an internal combustion engine

Country Status (9)

Country Link
US (1) US20120145101A1 (en)
EP (1) EP2505795B1 (en)
JP (1) JP4883330B2 (en)
KR (1) KR101169900B1 (en)
CN (1) CN103038458A (en)
BR (1) BR112012004601A2 (en)
IN (1) IN2012DN01666A (en)
RU (1) RU2493376C1 (en)
WO (1) WO2011065326A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007042053A1 (en) * 2007-09-05 2009-03-12 Mahle International Gmbh piston engine
JP5288134B2 (en) * 2009-11-25 2013-09-11 三菱自動車工業株式会社 Variable valve operating device for internal combustion engine
KR101222229B1 (en) * 2009-12-07 2013-01-15 미쯔비시 지도샤 고교 가부시끼가이샤 Variable valve gear for internal combustion engine
DE102012203145A1 (en) * 2012-02-29 2013-08-29 Mahle International Gmbh Adjustable camshaft
JP5660405B2 (en) * 2012-09-28 2015-01-28 株式会社デンソー Valve timing adjustment device
DE102012220652A1 (en) 2012-11-13 2014-05-15 Mahle International Gmbh camshaft
US9528399B2 (en) * 2014-10-21 2016-12-27 Ford Global Technologies, Llc Method and system for variable cam timing device
US9777604B2 (en) * 2014-10-21 2017-10-03 Ford Global Technologies, Llc Method and system for variable cam timing device
US9611764B2 (en) * 2014-10-21 2017-04-04 Ford Global Technologies, Llc Method and system for variable cam timing device
US9587525B2 (en) * 2014-10-21 2017-03-07 Ford Global Technologies, Llc Method and system for variable cam timing device
US9410453B2 (en) * 2014-10-21 2016-08-09 Ford Global Technologies, Llc Method and system for variable cam timing device
JP6070730B2 (en) * 2015-01-15 2017-02-01 トヨタ自動車株式会社 Variable valve operating device for internal combustion engine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882832A (en) * 1973-07-31 1975-05-13 Honda Motor Co Ltd Valve operating cam device for internal combustion engine
JP2000213315A (en) * 1999-01-21 2000-08-02 Unisia Jecs Corp Variable valve system for internal combustion engine
JP2005140010A (en) * 2003-11-06 2005-06-02 Mitsubishi Motors Corp Variable valve gear for internal combustion engine
JP2009144522A (en) * 2007-12-11 2009-07-02 Honda Motor Co Ltd Valve gear equipped with phase control means

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US2933949A (en) * 1957-09-09 1960-04-26 Standard Screw Tappet face
DE2822147C3 (en) * 1978-05-20 1982-02-11 Volkswagenwerk Ag, 3180 Wolfsburg Camshaft arrangement, in particular for an internal combustion engine
IN155023B (en) * 1980-01-02 1984-12-22 Nat Res Dev
JP4014702B2 (en) * 1996-10-07 2007-11-28 ヤマハ発動機株式会社 Valve mechanism of internal combustion engine
US6053135A (en) * 1997-10-07 2000-04-25 Yamaha Hatsudoki Kabushiki Kaisha Variable valve timing mechanism
EP1273771A4 (en) * 2000-04-10 2009-08-05 Honda Motor Co Ltd Valve gear of internal combustion engine
GB2375583B (en) * 2001-05-15 2004-09-01 Mechadyne Internat Plc Variable camshaft assembly
AU2003220883A1 (en) * 2002-03-04 2003-09-16 A.C.E. Tech Co., Ltd. Adjustable valve gear of internal combustion engine
DE10359068A1 (en) * 2003-12-16 2005-07-21 Ina-Schaeffler Kg Internal combustion engine with a hydraulic device for adjusting the rotational angle of a camshaft relative to a crankshaft
DE102004039302A1 (en) * 2004-08-13 2006-02-23 Mahle Ventiltrieb Gmbh Method for producing a camshaft
GB2424257A (en) * 2005-03-18 2006-09-20 Mechadyne Plc Single cam phaser camshaft with adjustable connections between the inner shaft and associated cam lobes
GB0505497D0 (en) * 2005-03-18 2005-04-20 Mechadyne Plc Camshaft to phaser coupling
JP3815504B2 (en) * 2005-07-20 2006-08-30 日本精工株式会社 Roller support bearing device
GB2431977A (en) * 2005-11-02 2007-05-09 Mechadyne Plc Camshaft assembly
DE102006041918A1 (en) * 2006-09-07 2008-03-27 Mahle International Gmbh Adjustable camshaft
US8186319B2 (en) * 2007-07-02 2012-05-29 Borgwarner Inc. Concentric cam with check valves in the spool for a phaser
US7540267B1 (en) * 2007-11-20 2009-06-02 Honda Motor Company, Ltd. Engines with variable valve actuation and vehicles including the same
KR20090058836A (en) * 2007-12-05 2009-06-10 현대자동차주식회사 Valve system
JP4747158B2 (en) 2007-12-11 2011-08-17 本田技研工業株式会社 Valve operating apparatus provided with phase control means
JP2010168948A (en) * 2009-01-21 2010-08-05 Jtekt Corp Camshaft device
JP4831373B2 (en) * 2009-02-23 2011-12-07 三菱自動車工業株式会社 Engine with variable valve system
US8096275B2 (en) * 2009-09-15 2012-01-17 GM Global Technology Operations LLC Camshaft having a tuned mass damper
CN102549240B (en) * 2009-10-05 2014-06-11 谢夫勒科技股份两合公司 Camshaft arrangement
US8397686B2 (en) * 2009-12-16 2013-03-19 GM Global Technology Operations LLC Engine intake port arrangement for camshaft with differential valve lift
DE102010023571B4 (en) * 2010-06-12 2016-09-15 Thyssenkrupp Presta Teccenter Ag Built camshaft

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882832A (en) * 1973-07-31 1975-05-13 Honda Motor Co Ltd Valve operating cam device for internal combustion engine
JP2000213315A (en) * 1999-01-21 2000-08-02 Unisia Jecs Corp Variable valve system for internal combustion engine
JP2005140010A (en) * 2003-11-06 2005-06-02 Mitsubishi Motors Corp Variable valve gear for internal combustion engine
JP2009144522A (en) * 2007-12-11 2009-07-02 Honda Motor Co Ltd Valve gear equipped with phase control means

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011065326A1 *

Also Published As

Publication number Publication date
EP2505795A1 (en) 2012-10-03
EP2505795B1 (en) 2014-06-11
KR101169900B1 (en) 2012-07-31
JP2011111936A (en) 2011-06-09
JP4883330B2 (en) 2012-02-22
KR20120039741A (en) 2012-04-25
IN2012DN01666A (en) 2015-06-05
BR112012004601A2 (en) 2016-04-05
US20120145101A1 (en) 2012-06-14
RU2493376C1 (en) 2013-09-20
WO2011065326A1 (en) 2011-06-03
CN103038458A (en) 2013-04-10

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