EP3938629C0 - Moteur à combustion interne - Google Patents

Moteur à combustion interne

Info

Publication number
EP3938629C0
EP3938629C0 EP20769545.3A EP20769545A EP3938629C0 EP 3938629 C0 EP3938629 C0 EP 3938629C0 EP 20769545 A EP20769545 A EP 20769545A EP 3938629 C0 EP3938629 C0 EP 3938629C0
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.)
Active
Application number
EP20769545.3A
Other languages
German (de)
English (en)
Other versions
EP3938629A4 (fr
EP3938629B1 (fr
EP3938629A1 (fr
Inventor
Narasimhan Varadha Iyengar Lakshmi
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/fr
Publication of EP3938629A4 publication Critical patent/EP3938629A4/fr
Application granted granted Critical
Publication of EP3938629B1 publication Critical patent/EP3938629B1/fr
Publication of EP3938629C0 publication Critical patent/EP3938629C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02Valve drive
    • F01L1/022Chain drive
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-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
    • F01L1/344Valve-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02Valve drive
    • F01L1/04Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047Camshafts
    • F01L2001/0476Camshaft bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2820/00Details on specific features characterising valve gear arrangements
    • F01L2820/02Formulas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2820/00Details on specific features characterising valve gear arrangements
    • F01L2820/03Auxiliary actuators
    • F01L2820/035Centrifugal forces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)
EP20769545.3A 2019-03-13 2020-02-14 Moteur à combustion interne Active EP3938629B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201941009700 2019-03-13
PCT/IN2020/050146 WO2020183486A1 (fr) 2019-03-13 2020-02-14 Moteur à combustion interne

Publications (4)

Publication Number Publication Date
EP3938629A1 EP3938629A1 (fr) 2022-01-19
EP3938629A4 EP3938629A4 (fr) 2022-12-21
EP3938629B1 EP3938629B1 (fr) 2025-05-14
EP3938629C0 true EP3938629C0 (fr) 2025-05-14

Family

ID=72427801

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20769545.3A Active EP3938629B1 (fr) 2019-03-13 2020-02-14 Moteur à combustion interne

Country Status (5)

Country Link
EP (1) EP3938629B1 (fr)
JP (1) JP7564115B2 (fr)
CN (1) CN113518853B (fr)
BR (1) BR112021018176A2 (fr)
WO (1) WO2020183486A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118765346A (zh) * 2022-02-28 2024-10-11 Tvs电机股份有限公司 用于内燃发动机的凸轮轴组件及其内燃发动机

Family Cites Families (9)

* 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
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
WO2012063537A1 (fr) * 2010-11-08 2012-05-18 トヨタ自動車株式会社 Dispositif de valve variable pour moteur à combustion interne
JP6248876B2 (ja) * 2014-09-17 2017-12-20 スズキ株式会社 エンジンの動弁装置
DE102016205785A1 (de) 2016-04-07 2017-10-12 Schaeffler Technologies AG & Co. KG Nockenwellenversteller
JP2017218924A (ja) * 2016-06-03 2017-12-14 武蔵精密工業株式会社 内燃機関用のカム位相可変動弁装置
JP2017218953A (ja) * 2016-06-07 2017-12-14 武蔵精密工業株式会社 内燃機関用のカム位相可変動弁装置
JP6457577B2 (ja) * 2017-03-27 2019-01-23 本田技研工業株式会社 バルブタイミング制御装置

Also Published As

Publication number Publication date
JP2022520881A (ja) 2022-04-01
CN113518853B (zh) 2023-10-24
EP3938629A4 (fr) 2022-12-21
EP3938629B1 (fr) 2025-05-14
CN113518853A (zh) 2021-10-19
BR112021018176A2 (pt) 2021-11-16
EP3938629A1 (fr) 2022-01-19
WO2020183486A1 (fr) 2020-09-17
JP7564115B2 (ja) 2024-10-08

Similar Documents

Publication Publication Date Title
EP3814624C0 (fr) Moteur à combustion interne
EP3981979C0 (fr) Système de moteur à combustion interne
DE112017000251A5 (de) Luftverdichtende Brennkraftmaschine
GB201915615D0 (en) An internal combustion engine
DE112020000476A5 (de) Flüssigkeitsgekühlte Brennkraftmaschine
EP4182549C0 (fr) Moteur à combustion interne
EP4326981C0 (fr) Moteur à combustion interne
EP4119786A4 (fr) Moteur
EP4155517C0 (fr) Moteur à combustion interne
UA38281S (uk) Двигун внутрішнього згоряння
ZA202004111B (en) Internal combustion engine
EP4001612C0 (fr) Système de moteur à combustion interne
DE112017004102A5 (de) Brennkraftmaschine
FI20175648A (fi) Polttomoottorikone
DE112017002203A5 (de) Brennkraftmaschine
DE112020001423A5 (de) Brennkraftmaschine
EP4080036C0 (fr) Système de moteur à combustion interne
EP3719255C0 (fr) Moteur à combustion interne
EP3938629C0 (fr) Moteur à combustion interne
EP4502355A4 (fr) Moteur à combustion interne
EP4158162C0 (fr) Moteur à combustion interne
EP4001608C0 (fr) Système de moteur à combustion interne
EP3751110C0 (fr) Moteur à explosion
DE112018001117A5 (de) Flüssigkeitsgekühlte Brennkraftmaschine
EP4180625C0 (fr) Moteur à combustion interne

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210913

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Ref country code: DE

Ref legal event code: R079

Ref document number: 602020051303

Country of ref document: DE

Free format text: PREVIOUS MAIN CLASS: F01L0001340000

Ipc: F01L0001344000

A4 Supplementary search report drawn up and despatched

Effective date: 20221122

RIC1 Information provided on ipc code assigned before grant

Ipc: F01L 1/02 20060101ALI20221116BHEP

Ipc: F01L 1/344 20060101AFI20221116BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20241203

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602020051303

Country of ref document: DE

U01 Request for unitary effect filed

Effective date: 20250611

U07 Unitary effect registered

Designated state(s): AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT RO SE SI

Effective date: 20250617

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250514

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250814

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250815

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250514

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250514

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250814

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250914

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250514

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250514

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250514

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

REG Reference to a national code

Ref country code: CH

Ref legal event code: L10

Free format text: ST27 STATUS EVENT CODE: U-0-0-L10-L00 (AS PROVIDED BY THE NATIONAL OFFICE)

Effective date: 20260325

U20 Renewal fee for the european patent with unitary effect paid

Year of fee payment: 7

Effective date: 20260225

26N No opposition filed

Effective date: 20260217