EP3938629A4 - An internal combustion engine - Google Patents

An internal combustion engine Download PDF

Info

Publication number
EP3938629A4
EP3938629A4 EP20769545.3A EP20769545A EP3938629A4 EP 3938629 A4 EP3938629 A4 EP 3938629A4 EP 20769545 A EP20769545 A EP 20769545A EP 3938629 A4 EP3938629 A4 EP 3938629A4
Authority
EP
European Patent Office
Prior art keywords
combustion engine
internal combustion
engine
internal
combustion
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.)
Pending
Application number
EP20769545.3A
Other languages
German (de)
French (fr)
Other versions
EP3938629A1 (en
Inventor
Varadha Iyengar LAKSHMI NARASIMHAN
Thiruvallur Loganathan BALASUBRAMANIAN
Karunaharan VYTHILINGAM
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.)
TVS Motor Co Ltd
Original Assignee
TVS Motor Co Ltd
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 TVS Motor Co Ltd filed Critical TVS Motor Co Ltd
Publication of EP3938629A1 publication Critical patent/EP3938629A1/en
Publication of EP3938629A4 publication Critical patent/EP3938629A4/en
Pending 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
    • F01L1/02—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
    • F01L1/34—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
    • 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
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/02—Formulas
    • 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
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/03—Auxiliary actuators
    • F01L2820/035—Centrifugal forces
EP20769545.3A 2019-03-13 2020-02-14 An internal combustion engine Pending EP3938629A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201941009700 2019-03-13
PCT/IN2020/050146 WO2020183486A1 (en) 2019-03-13 2020-02-14 An internal combustion engine

Publications (2)

Publication Number Publication Date
EP3938629A1 EP3938629A1 (en) 2022-01-19
EP3938629A4 true EP3938629A4 (en) 2022-12-21

Family

ID=72427801

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20769545.3A Pending EP3938629A4 (en) 2019-03-13 2020-02-14 An internal combustion engine

Country Status (5)

Country Link
EP (1) EP3938629A4 (en)
JP (1) JP2022520881A (en)
CN (1) CN113518853B (en)
BR (1) BR112021018176A2 (en)
WO (1) WO2020183486A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023161950A1 (en) * 2022-02-28 2023-08-31 Tvs Motor Company Limited Camshaft assembly for an internal combustion engine and the internal combustion engine thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3877222A (en) * 1969-10-17 1975-04-15 Daimler Benz Ag Method for the operation of an internal combustion engine with afterburner chamber and installation for carrying out the method
DE102016205785A1 (en) * 2016-04-07 2017-10-12 Schaeffler Technologies AG & Co. KG Phaser
JP2017218953A (en) * 2016-06-07 2017-12-14 武蔵精密工業株式会社 Cam phase variable valve gear for internal combustion engine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57110226A (en) * 1980-12-26 1982-07-09 Olympus Optical Co Air and liquid sending and sucking apparatus of endoscope
US20090241873A1 (en) * 2008-03-27 2009-10-01 Tomoyuki Muraoka Variable valve-operating system for internal combustion engine
EP2639416B1 (en) * 2010-11-08 2016-11-09 Toyota Jidosha Kabushiki Kaisha Variable valve device
JP6248876B2 (en) * 2014-09-17 2017-12-20 スズキ株式会社 Engine valve gear
JP2017218924A (en) * 2016-06-03 2017-12-14 武蔵精密工業株式会社 Cam phase variable valve gear for internal combustion engine
JP6457577B2 (en) * 2017-03-27 2019-01-23 本田技研工業株式会社 Valve timing control device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3877222A (en) * 1969-10-17 1975-04-15 Daimler Benz Ag Method for the operation of an internal combustion engine with afterburner chamber and installation for carrying out the method
DE102016205785A1 (en) * 2016-04-07 2017-10-12 Schaeffler Technologies AG & Co. KG Phaser
JP2017218953A (en) * 2016-06-07 2017-12-14 武蔵精密工業株式会社 Cam phase variable valve gear for internal combustion engine

Also Published As

Publication number Publication date
WO2020183486A1 (en) 2020-09-17
CN113518853B (en) 2023-10-24
BR112021018176A2 (en) 2021-11-16
EP3938629A1 (en) 2022-01-19
JP2022520881A (en) 2022-04-01
CN113518853A (en) 2021-10-19

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Effective date: 20221122

RIC1 Information provided on ipc code assigned before grant

Ipc: F01L 1/02 20060101ALI20221116BHEP

Ipc: F01L 1/344 20060101AFI20221116BHEP