IT201900016283A1 - Motore a combustione con dispositivo di variazione della fase delle valvole di un albero a camme - Google Patents

Motore a combustione con dispositivo di variazione della fase delle valvole di un albero a camme

Info

Publication number
IT201900016283A1
IT201900016283A1 IT102019000016283A IT201900016283A IT201900016283A1 IT 201900016283 A1 IT201900016283 A1 IT 201900016283A1 IT 102019000016283 A IT102019000016283 A IT 102019000016283A IT 201900016283 A IT201900016283 A IT 201900016283A IT 201900016283 A1 IT201900016283 A1 IT 201900016283A1
Authority
IT
Italy
Prior art keywords
camshaft
valves
changing
phase
combustion engine
Prior art date
Application number
IT102019000016283A
Other languages
English (en)
Inventor
Walter Mariotti
Original Assignee
Piaggio & C 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 Piaggio & C Spa filed Critical Piaggio & C Spa
Priority to IT102019000016283A priority Critical patent/IT201900016283A1/it
Priority to PCT/IB2020/058455 priority patent/WO2021048804A1/en
Priority to JP2022515129A priority patent/JP7554819B2/ja
Priority to EP20786046.1A priority patent/EP4028647B1/en
Priority to US17/641,763 priority patent/US11725545B2/en
Priority to CN202080062910.6A priority patent/CN114364863B/zh
Publication of IT201900016283A1 publication Critical patent/IT201900016283A1/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
    • 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
    • F01L1/02—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
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—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
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • 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
    • 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]

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)
IT102019000016283A 2019-09-13 2019-09-13 Motore a combustione con dispositivo di variazione della fase delle valvole di un albero a camme IT201900016283A1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT102019000016283A IT201900016283A1 (it) 2019-09-13 2019-09-13 Motore a combustione con dispositivo di variazione della fase delle valvole di un albero a camme
PCT/IB2020/058455 WO2021048804A1 (en) 2019-09-13 2020-09-11 Internal combustion engine with camshaft valve phase variation device
JP2022515129A JP7554819B2 (ja) 2019-09-13 2020-09-11 カムシャフトのバルブの位相を変更する装置を備えた内燃エンジン
EP20786046.1A EP4028647B1 (en) 2019-09-13 2020-09-11 Internal combustion engine with camshaft valve phase variation device
US17/641,763 US11725545B2 (en) 2019-09-13 2020-09-11 Internal combustion engine with camshaft valve phase variation device
CN202080062910.6A CN114364863B (zh) 2019-09-13 2020-09-11 具有凸轮轴气门相位变化设备的内燃发动机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000016283A IT201900016283A1 (it) 2019-09-13 2019-09-13 Motore a combustione con dispositivo di variazione della fase delle valvole di un albero a camme

Publications (1)

Publication Number Publication Date
IT201900016283A1 true IT201900016283A1 (it) 2021-03-13

Family

ID=69191131

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102019000016283A IT201900016283A1 (it) 2019-09-13 2019-09-13 Motore a combustione con dispositivo di variazione della fase delle valvole di un albero a camme

Country Status (6)

Country Link
US (1) US11725545B2 (it)
EP (1) EP4028647B1 (it)
JP (1) JP7554819B2 (it)
CN (1) CN114364863B (it)
IT (1) IT201900016283A1 (it)
WO (1) WO2021048804A1 (it)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4177773A (en) * 1977-12-27 1979-12-11 Cribbs John R Damped automatic variable valve timing device for internal combustion engines
JPS5724669B2 (it) 1974-06-27 1982-05-25
JPS60113006A (ja) * 1983-11-25 1985-06-19 Suzuki Motor Co Ltd ４サイクルエンジンのバルブタイミング進角装置
US4955330A (en) * 1988-12-28 1990-09-11 Christian Fabi Cam drive mechanism for internal combustion engine
US5181485A (en) * 1990-03-29 1993-01-26 Mazda Motor Corporation Valve driving mechanism for double overhead camshaft engine
GB2263152A (en) * 1992-01-08 1993-07-14 Edgar Hoyle Variable valve timing apparatus for an engine
JP2009185656A (ja) 2008-02-05 2009-08-20 Suzuki Motor Corp エンジンの動弁装置
JP2010031785A (ja) 2008-07-30 2010-02-12 Mitsubishi Electric Corp 冷媒圧縮機
WO2015187469A1 (en) * 2014-06-05 2015-12-10 Borgwarner Inc. Electric cam phaser with fixed sun planetary
US9719381B2 (en) 2014-07-11 2017-08-01 Suzuki Motor Corporation Valve gear for engine

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GB833768A (en) * 1956-10-25 1960-04-27 Rolls Royce Improvements in or relating to resilient torque transmitting coupling arrangements
DE2049010C3 (de) * 1970-10-06 1979-12-13 Robert Bosch Gmbh, 7000 Stuttgart Fliehkraftversteller für Brennkraftmaschinen, insbesondere zur Änderung des Einspritzzeitpunktes bei Dieselmotoren
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
FR2752282B1 (fr) * 1996-08-06 2001-08-17 Luk Getriebe Systeme Gmbh Vehicule a boite de vitesses automatique
JP2000104561A (ja) * 1998-07-31 2000-04-11 Sanshin Ind Co Ltd 船外機
DE19845018C1 (de) * 1998-09-30 1999-12-16 Fein C & E Kraftgetriebener Schrauber
DE10164865B3 (de) * 2001-01-29 2017-09-07 Hitachi, Ltd. Ventileinstellungs-Steuervorrichtung für einen Verbrennungsmotor
WO2002061241A1 (fr) * 2001-01-29 2002-08-08 Unisia Jecs Corporation Controleur de reglage de distribution d'un moteur a combustion interne
DE10129795B4 (de) * 2001-06-20 2006-09-28 Gkn Driveline International Gmbh Axialverstellvorrichtung mit Abfederung im Rücklauf
JP3857215B2 (ja) 2002-10-31 2006-12-13 株式会社デンソー バルブタイミング調整装置
JP4779800B2 (ja) * 2006-05-23 2011-09-28 トヨタ自動車株式会社 車両およびその制御方法
JP2008002324A (ja) * 2006-06-21 2008-01-10 Hitachi Ltd 位相角検出装置及び該位相角検出装置を用いた内燃機関のバルブタイミング制御装置
US8016684B2 (en) 2008-07-29 2011-09-13 Honda Motor Company, Ltd. Centrifugal advance mechanism
JP4505546B1 (ja) * 2009-12-07 2010-07-21 正夫 櫻井 可変バルブタイミング装置
TWI575151B (zh) * 2014-01-29 2017-03-21 Kwang Yang Motor Co Decompression device for internal combustion engine
AT517816B1 (de) * 2015-09-18 2019-10-15 Avl List Gmbh Variable ventilsteuerungseinrichtung für brennkraftmaschinen
JP2017096214A (ja) * 2015-11-27 2017-06-01 トヨタ自動車株式会社 内燃機関の可変バルブタイミング制御装置
CN106285814B (zh) * 2016-10-25 2017-09-01 沈大兹 一种可变气门正时和可变气门升程的装置
JP2018168776A (ja) * 2017-03-30 2018-11-01 アイシン精機株式会社 弁開閉時期制御装置
DE102017115760A1 (de) * 2017-07-13 2018-06-14 Schaeffler Technologies AG & Co. KG Variable Nockenwellenverstelleinrichtung
IT201900016271A1 (it) * 2019-09-13 2021-03-13 Piaggio & C Spa Motore a combustione con dispositivo di variazione della fase delle valvole di un albero a camme

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5724669B2 (it) 1974-06-27 1982-05-25
US4177773A (en) * 1977-12-27 1979-12-11 Cribbs John R Damped automatic variable valve timing device for internal combustion engines
JPS60113006A (ja) * 1983-11-25 1985-06-19 Suzuki Motor Co Ltd ４サイクルエンジンのバルブタイミング進角装置
US4955330A (en) * 1988-12-28 1990-09-11 Christian Fabi Cam drive mechanism for internal combustion engine
US5181485A (en) * 1990-03-29 1993-01-26 Mazda Motor Corporation Valve driving mechanism for double overhead camshaft engine
GB2263152A (en) * 1992-01-08 1993-07-14 Edgar Hoyle Variable valve timing apparatus for an engine
JP2009185656A (ja) 2008-02-05 2009-08-20 Suzuki Motor Corp エンジンの動弁装置
JP2010031785A (ja) 2008-07-30 2010-02-12 Mitsubishi Electric Corp 冷媒圧縮機
WO2015187469A1 (en) * 2014-06-05 2015-12-10 Borgwarner Inc. Electric cam phaser with fixed sun planetary
US9719381B2 (en) 2014-07-11 2017-08-01 Suzuki Motor Corporation Valve gear for engine

Also Published As

Publication number Publication date
EP4028647B1 (en) 2023-11-01
US11725545B2 (en) 2023-08-15
EP4028647A1 (en) 2022-07-20
WO2021048804A1 (en) 2021-03-18
EP4028647C0 (en) 2023-11-01
JP2022549771A (ja) 2022-11-29
US20220381161A1 (en) 2022-12-01
CN114364863A (zh) 2022-04-15
CN114364863B (zh) 2024-03-26
JP7554819B2 (ja) 2024-09-20

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