EP3770383A4 - Mechanism for adjusting camshaft of internal combustion engine - Google Patents

Mechanism for adjusting camshaft of internal combustion engine Download PDF

Info

Publication number
EP3770383A4
EP3770383A4 EP18910392.2A EP18910392A EP3770383A4 EP 3770383 A4 EP3770383 A4 EP 3770383A4 EP 18910392 A EP18910392 A EP 18910392A EP 3770383 A4 EP3770383 A4 EP 3770383A4
Authority
EP
European Patent Office
Prior art keywords
combustion engine
internal combustion
adjusting camshaft
camshaft
adjusting
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Withdrawn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
EP18910392.2A
Other languages
German (de)
French (fr)
Other versions
EP3770383A1 (en
Inventor
Jinwei ZHANG
Qiang Zhou
Tao Zhang
Zhonglin Li
Yan Wang
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.)
Mianyang Fulin Precision Machinery Co Ltd
Original Assignee
Mianyang Fulin Precision Machinery 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 Mianyang Fulin Precision Machinery Co Ltd filed Critical Mianyang Fulin Precision Machinery Co Ltd
Publication of EP3770383A1 publication Critical patent/EP3770383A1/en
Publication of EP3770383A4 publication Critical patent/EP3770383A4/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Withdrawn legal-status Critical Current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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • F01L13/0047—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction the movement of the valves resulting from the sum of the simultaneous actions of at least two cams, the cams being independently variable in phase in respect of each other
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0063—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • F01L2013/0052—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction with cams provided on an axially slidable sleeve
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L2013/0078—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by axially displacing 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L2013/10—Auxiliary actuators for variable valve timing
    • F01L2013/101—Electromagnets

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)
EP18910392.2A 2018-03-22 2018-12-25 Mechanism for adjusting camshaft of internal combustion engine Withdrawn EP3770383A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810238967.1A CN108266246A (en) 2018-03-22 2018-03-22 A kind of adjustment mechanism for IC engine camshaft
PCT/CN2018/123443 WO2019179191A1 (en) 2018-03-22 2018-12-25 Mechanism for adjusting camshaft of internal combustion engine

Publications (2)

Publication Number Publication Date
EP3770383A1 EP3770383A1 (en) 2021-01-27
EP3770383A4 true EP3770383A4 (en) 2021-12-22

Family

ID=62775282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18910392.2A Withdrawn EP3770383A4 (en) 2018-03-22 2018-12-25 Mechanism for adjusting camshaft of internal combustion engine

Country Status (3)

Country Link
EP (1) EP3770383A4 (en)
CN (1) CN108266246A (en)
WO (1) WO2019179191A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108266246A (en) * 2018-03-22 2018-07-10 绵阳富临精工机械股份有限公司 A kind of adjustment mechanism for IC engine camshaft
CN109458239A (en) * 2018-10-24 2019-03-12 安徽江淮汽车集团股份有限公司 A kind of device and method of Engine Cam axial adjustment
CN109458261B (en) * 2018-10-24 2020-10-09 安徽江淮汽车集团股份有限公司 Cylinder deactivation implementation method and device
CN110005495B (en) * 2019-05-09 2021-02-02 杰锋汽车动力系统股份有限公司 Three-stage variable valve lift structure of internal combustion engine
CN110005497B (en) * 2019-05-15 2020-12-01 杰锋汽车动力系统股份有限公司 Three-stage variable valve lift mechanism for internal combustion engine
DE102022133027A1 (en) * 2022-12-12 2024-06-13 Thyssenkrupp Ag Sliding cam and sliding camshaft

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20114466U1 (en) * 2001-09-01 2002-01-03 Eto Magnetic Kg Electromagnetic actuator
DE102013206016A1 (en) * 2012-04-06 2013-10-10 Denso Corporation Solenoid actuator for an internal combustion engine
CN105247176A (en) * 2013-05-17 2016-01-13 马自达汽车株式会社 Valve system for a multi-cylinder engine
CN205445706U (en) * 2016-03-17 2016-08-10 秦天 Camshaft structure
DE112015002717T5 (en) * 2014-05-30 2017-02-23 Mazda Motor Corporation Valve train for engines
DE102016210975A1 (en) * 2016-06-20 2017-12-21 Mahle International Gmbh Valve train for an internal combustion engine
DE102016210978A1 (en) * 2016-06-20 2017-12-21 Mahle International Gmbh Valve train for an internal combustion engine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10148178A1 (en) * 2001-09-28 2003-04-17 Ina Schaeffler Kg Method for reduction of fuel consumption and exhaust emissions of 4-stroke IC engines with at least one cylinder being operated in 8-stroke method with three high-pressure loops suitable for ignition
DE102010053359A1 (en) * 2010-12-03 2012-06-06 Schaeffler Technologies Gmbh & Co. Kg Sliding cam system with sliding grooves and locks
CN107401436B (en) * 2016-05-20 2023-09-05 上海汽车集团股份有限公司 Engine and cam shaft, cam device and control cam thereof
CN106762006A (en) * 2017-01-24 2017-05-31 绵阳富临精工机械股份有限公司 A kind of electromagnetic actuator suitable for engine cam shift system
CN207989094U (en) * 2018-03-22 2018-10-19 绵阳富临精工机械股份有限公司 A kind of adjustment mechanism for IC engine camshaft
CN108266246A (en) * 2018-03-22 2018-07-10 绵阳富临精工机械股份有限公司 A kind of adjustment mechanism for IC engine camshaft

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20114466U1 (en) * 2001-09-01 2002-01-03 Eto Magnetic Kg Electromagnetic actuator
DE102013206016A1 (en) * 2012-04-06 2013-10-10 Denso Corporation Solenoid actuator for an internal combustion engine
CN105247176A (en) * 2013-05-17 2016-01-13 马自达汽车株式会社 Valve system for a multi-cylinder engine
DE112015002717T5 (en) * 2014-05-30 2017-02-23 Mazda Motor Corporation Valve train for engines
CN205445706U (en) * 2016-03-17 2016-08-10 秦天 Camshaft structure
DE102016210975A1 (en) * 2016-06-20 2017-12-21 Mahle International Gmbh Valve train for an internal combustion engine
DE102016210978A1 (en) * 2016-06-20 2017-12-21 Mahle International Gmbh Valve train for an internal combustion engine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019179191A1 *

Also Published As

Publication number Publication date
CN108266246A (en) 2018-07-10
EP3770383A1 (en) 2021-01-27
WO2019179191A1 (en) 2019-09-26

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