GB2565581B - Cam member with varying width - Google Patents

Cam member with varying width Download PDF

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Publication number
GB2565581B
GB2565581B GB1713211.9A GB201713211A GB2565581B GB 2565581 B GB2565581 B GB 2565581B GB 201713211 A GB201713211 A GB 201713211A GB 2565581 B GB2565581 B GB 2565581B
Authority
GB
United Kingdom
Prior art keywords
cam member
varying width
varying
width
cam
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
GB1713211.9A
Other versions
GB2565581A (en
GB201713211D0 (en
Inventor
Art Komuroglu Ertugrul
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.)
Jaguar Land Rover Ltd
Original Assignee
Jaguar Land Rover 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 Jaguar Land Rover Ltd filed Critical Jaguar Land Rover Ltd
Priority to GB1713211.9A priority Critical patent/GB2565581B/en
Publication of GB201713211D0 publication Critical patent/GB201713211D0/en
Priority to DE102018212824.3A priority patent/DE102018212824A1/en
Publication of GB2565581A publication Critical patent/GB2565581A/en
Application granted granted Critical
Publication of GB2565581B publication Critical patent/GB2565581B/en
Active 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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/08—Shape of cams
    • 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
    • F01L13/0042—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 being 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
    • 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
    • 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
    • F01L2301/00—Using particular materials
    • 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
    • F01L2303/00—Manufacturing of components used in valve arrangements
    • 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
    • F01L2820/01—Absolute values
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H53/00—Cams ; Non-rotary cams; or cam-followers, e.g. rollers for gearing mechanisms
    • F16H53/02—Single-track cams for single-revolution cycles; Camshafts with such cams
    • F16H53/025—Single-track cams for single-revolution cycles; Camshafts with such cams characterised by their construction, e.g. assembling or manufacturing features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
GB1713211.9A 2017-08-17 2017-08-17 Cam member with varying width Active GB2565581B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1713211.9A GB2565581B (en) 2017-08-17 2017-08-17 Cam member with varying width
DE102018212824.3A DE102018212824A1 (en) 2017-08-17 2018-08-01 IMPROVEMENTS RELATED TO CAMS WITH ENGINES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1713211.9A GB2565581B (en) 2017-08-17 2017-08-17 Cam member with varying width

Publications (3)

Publication Number Publication Date
GB201713211D0 GB201713211D0 (en) 2017-10-04
GB2565581A GB2565581A (en) 2019-02-20
GB2565581B true GB2565581B (en) 2020-03-18

Family

ID=59996810

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1713211.9A Active GB2565581B (en) 2017-08-17 2017-08-17 Cam member with varying width

Country Status (1)

Country Link
GB (1) GB2565581B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111502790A (en) * 2020-04-19 2020-08-07 东风汽车集团有限公司 Lightweight low-friction cam contact width calculation method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7177672B2 (en) * 2018-11-26 2022-11-24 オークマ株式会社 Numerical controller

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4638772A (en) * 1984-03-30 1987-01-27 Investment Rarites, Incorporated Valve actuating apparatus for minimizing the need for lash adjustment
FR2667112A1 (en) * 1990-09-21 1992-03-27 Renault Valve-operating cam for an internal-combustion engine
JPH07224611A (en) * 1994-02-10 1995-08-22 Toyota Motor Corp Valve system for internal combustion engine
DE102007017094A1 (en) * 2007-04-10 2008-10-16 Mahle International Gmbh Cam for a cam or control shaft
CN202832688U (en) * 2012-09-07 2013-03-27 上海通用汽车有限公司 Cam structure of engine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4638772A (en) * 1984-03-30 1987-01-27 Investment Rarites, Incorporated Valve actuating apparatus for minimizing the need for lash adjustment
FR2667112A1 (en) * 1990-09-21 1992-03-27 Renault Valve-operating cam for an internal-combustion engine
JPH07224611A (en) * 1994-02-10 1995-08-22 Toyota Motor Corp Valve system for internal combustion engine
DE102007017094A1 (en) * 2007-04-10 2008-10-16 Mahle International Gmbh Cam for a cam or control shaft
CN202832688U (en) * 2012-09-07 2013-03-27 上海通用汽车有限公司 Cam structure of engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111502790A (en) * 2020-04-19 2020-08-07 东风汽车集团有限公司 Lightweight low-friction cam contact width calculation method

Also Published As

Publication number Publication date
GB2565581A (en) 2019-02-20
GB201713211D0 (en) 2017-10-04

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