IT1156204B - Sistema di punteria per motori con alberi a camme a profilo verticale - Google Patents

Sistema di punteria per motori con alberi a camme a profilo verticale

Info

Publication number
IT1156204B
IT1156204B IT68194/82A IT6819482A IT1156204B IT 1156204 B IT1156204 B IT 1156204B IT 68194/82 A IT68194/82 A IT 68194/82A IT 6819482 A IT6819482 A IT 6819482A IT 1156204 B IT1156204 B IT 1156204B
Authority
IT
Italy
Prior art keywords
camshafts
engines
vertical profile
tapping system
tapping
Prior art date
Application number
IT68194/82A
Other languages
English (en)
Other versions
IT8268194A0 (it
Inventor
Aragona Antonio Burgio Di
Original Assignee
Fiat Auto 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 Fiat Auto Spa filed Critical Fiat Auto Spa
Priority to IT68194/82A priority Critical patent/IT1156204B/it
Publication of IT8268194A0 publication Critical patent/IT8268194A0/it
Priority to EP83109723A priority patent/EP0108238B1/en
Priority to DE8383109723T priority patent/DE3361240D1/de
Priority to ES1983274927U priority patent/ES274927Y/es
Priority to BR8305611A priority patent/BR8305611A/pt
Priority to US06/541,180 priority patent/US4517936A/en
Priority to JP58189433A priority patent/JPS5990711A/ja
Application granted granted Critical
Publication of IT1156204B publication Critical patent/IT1156204B/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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/14—Tappets; Push rods
    • F01L1/143—Tappets; Push rods for use with overhead 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
    • F01L2307/00—Preventing the rotation of tappets

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)
  • Gears, Cams (AREA)
IT68194/82A 1982-10-12 1982-10-12 Sistema di punteria per motori con alberi a camme a profilo verticale IT1156204B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT68194/82A IT1156204B (it) 1982-10-12 1982-10-12 Sistema di punteria per motori con alberi a camme a profilo verticale
EP83109723A EP0108238B1 (en) 1982-10-12 1983-09-29 Tappet for internal combustion engines with variable profile camshafts
DE8383109723T DE3361240D1 (en) 1982-10-12 1983-09-29 Tappet for internal combustion engines with variable profile camshafts
ES1983274927U ES274927Y (es) 1982-10-12 1983-10-11 Empujavalvulas para motores de combustion interna
BR8305611A BR8305611A (pt) 1982-10-12 1983-10-11 Tucho para motores com arvores de cames de perfil varivel
US06/541,180 US4517936A (en) 1982-10-12 1983-10-12 Tappet for internal combustion engines with variable profile camshafts
JP58189433A JPS5990711A (ja) 1982-10-12 1983-10-12 機関のためのタペツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68194/82A IT1156204B (it) 1982-10-12 1982-10-12 Sistema di punteria per motori con alberi a camme a profilo verticale

Publications (2)

Publication Number Publication Date
IT8268194A0 IT8268194A0 (it) 1982-10-12
IT1156204B true IT1156204B (it) 1987-01-28

Family

ID=11308437

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68194/82A IT1156204B (it) 1982-10-12 1982-10-12 Sistema di punteria per motori con alberi a camme a profilo verticale

Country Status (7)

Country Link
US (1) US4517936A (it)
EP (1) EP0108238B1 (it)
JP (1) JPS5990711A (it)
BR (1) BR8305611A (it)
DE (1) DE3361240D1 (it)
ES (1) ES274927Y (it)
IT (1) IT1156204B (it)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1182480B (it) * 1985-07-02 1987-10-05 Fiat Auto Spa Sistema di punteria per motori a combustione interna provvisti di alberi con camme a profilo variabile
GB8610727D0 (en) * 1986-05-01 1986-06-04 Walters Eng Consultant Ltd Chr Valve lift mechanism
EP0265479A1 (en) * 1986-05-01 1988-05-04 Chris Walters (Engineering Consultant) Limited Valve-control mechanism
IT1195192B (it) * 1986-10-07 1988-10-12 Fiat Auto Spa Comando valvole per motori ad alberi a camme in testa
GB8711993D0 (en) * 1987-05-21 1987-06-24 Jaguar Cars Cam mechanisms
JPH029362U (it) * 1988-06-30 1990-01-22
US4850311A (en) * 1988-12-09 1989-07-25 General Motors Corporation Three dimensional cam cardanic follower valve lifter
CA2054877C (en) * 1990-12-14 1994-06-14 John Joseph Krieg Low mass valve lifters
US5159906A (en) * 1991-05-03 1992-11-03 Ford Motor Company Adjustable valve system for an internal combustion engine
GB2279718A (en) * 1993-07-02 1995-01-11 Robert Alexander James A variable camshaft
JP3275761B2 (ja) * 1996-05-13 2002-04-22 トヨタ自動車株式会社 内燃機関の動弁装置
JPH1030413A (ja) * 1996-07-12 1998-02-03 Toyota Motor Corp 内燃機関のバルブ特性制御装置
US5803033A (en) * 1996-11-08 1998-09-08 Toyota Jidosha Kabushiki Kaisha Valve drive apparatus for an internal combustion engine having a convex shim between a cam and a valve
JPH10196333A (ja) * 1997-01-14 1998-07-28 Toyota Motor Corp バルブリフタ構造
DE59808217D1 (de) * 1997-03-21 2003-06-12 Stefan Battlogg Nockenwelle
JPH10317927A (ja) * 1997-05-15 1998-12-02 Toyota Motor Corp 内燃機関のバルブ特性制御装置
JPH11200824A (ja) * 1998-01-20 1999-07-27 Denso Corp 可変弁制御装置
JPH11210433A (ja) * 1998-01-29 1999-08-03 Denso Corp 可変弁制御装置
JPH11218014A (ja) 1998-02-03 1999-08-10 Toyota Motor Corp 可変バルブタイミング装置
JP3539182B2 (ja) 1998-02-20 2004-07-07 トヨタ自動車株式会社 可変バルブタイミング装置
JP2000073710A (ja) * 1998-08-31 2000-03-07 Toyota Motor Corp ３次元カム用揺動フォロワ機構
JP3700409B2 (ja) 1998-09-04 2005-09-28 トヨタ自動車株式会社 ３次元カム用バルブリフタおよび可変動弁装置
JP2000104570A (ja) * 1998-09-28 2000-04-11 Toyota Motor Corp 内燃機関の回転数制御装置
US6318313B1 (en) 1998-10-06 2001-11-20 Toyota Jidosha Kabushiki Kaisha Variable performance valve train having three-dimensional cam
DE10332980A1 (de) * 2003-07-21 2005-02-10 Bayerische Motoren Werke Ag Ventilstößeleinrichtung, insbesondere drehgesicherter Tassenstößel mit gekrümmter Nockenfolgefläche
WO2006094213A1 (en) * 2005-03-03 2006-09-08 Timken Us Corporation Valve actuator assembly
KR101209743B1 (ko) * 2010-09-14 2012-12-07 현대자동차주식회사 가변 밸브 리프트 장치
CN102518632B (zh) * 2011-12-01 2016-05-25 洛阳巨创轴承科技有限公司 一种防止背衬轴承挡圈与滚子组非正常接触的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733619A (en) * 1956-02-07 smith
GB605242A (en) * 1945-02-09 1948-07-19 Saurer Ag Adolph Improvements in and relating to cam-actuated tappets
US2508557A (en) * 1946-11-15 1950-05-23 American Bosch Corp Eccentric follower mechanism
US3730150A (en) * 1971-10-20 1973-05-01 S Codner Method and apparatus for control of valve operation
JPS55161907A (en) * 1979-06-06 1980-12-16 Yamaha Motor Co Ltd Tappet shim exchanging tool for engine
US4335685A (en) * 1979-10-19 1982-06-22 Caterpillar Tractor Co. Lifter assembly
US4249428A (en) * 1980-02-04 1981-02-10 The Singer Company Cam follower with pivotally movable cam engagable shoe

Also Published As

Publication number Publication date
JPS5990711A (ja) 1984-05-25
ES274927Y (es) 1984-10-01
EP0108238B1 (en) 1985-11-13
DE3361240D1 (en) 1985-12-19
JPH0545765B2 (it) 1993-07-12
US4517936A (en) 1985-05-21
ES274927U (es) 1984-02-16
EP0108238A1 (en) 1984-05-16
IT8268194A0 (it) 1982-10-12
BR8305611A (pt) 1984-05-15

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931029