JPH0319404U - - Google Patents

Info

Publication number
JPH0319404U
JPH0319404U JP1989079660U JP7966089U JPH0319404U JP H0319404 U JPH0319404 U JP H0319404U JP 1989079660 U JP1989079660 U JP 1989079660U JP 7966089 U JP7966089 U JP 7966089U JP H0319404 U JPH0319404 U JP H0319404U
Authority
JP
Japan
Prior art keywords
valve
engine
tension
internal combustion
changing mechanism
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.)
Granted
Application number
JP1989079660U
Other languages
English (en)
Other versions
JPH0754561Y2 (ja
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 filed Critical
Priority to JP1989079660U priority Critical patent/JPH0754561Y2/ja
Priority to US07/548,123 priority patent/US5065709A/en
Priority to EP90307390A priority patent/EP0408260B1/en
Priority to DE90307390T priority patent/DE69006123T2/de
Publication of JPH0319404U publication Critical patent/JPH0319404U/ja
Application granted granted Critical
Publication of JPH0754561Y2 publication Critical patent/JPH0754561Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01L1/024—Belt 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
    • F01L1/02—Valve 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
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • F01L1/267—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder with means for varying the timing or the lift of the valves
    • 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
    • F01L1/348—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 by means acting on timing belts or chains
    • 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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • F16H7/10—Means for varying tension of belts, ropes or chains  by adjusting the axis of a pulley
    • F16H7/12—Means for varying tension of belts, ropes or chains  by adjusting the axis of a pulley of an idle pulley
    • F16H7/1254—Means for varying tension of belts, ropes or chains  by adjusting the axis of a pulley of an idle pulley without vibration damping means
    • F16H7/1281—Means for varying tension of belts, ropes or chains  by adjusting the axis of a pulley of an idle pulley without vibration damping means where the axis of the pulley moves along a substantially circular path
    • 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
    • F01L1/053—Camshafts overhead type
    • F01L2001/0537—Double overhead camshafts [DOHC]
    • 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
    • F01L1/3442—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 using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34436—Features or method for avoiding malfunction due to foreign matters in oil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/06—Endless member is a belt
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/18—DOHC [Double overhead camshaft]
    • 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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • F16H2007/0802—Actuators for final output members
    • F16H2007/0806—Compression coil springs
    • 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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • F16H2007/0802—Actuators for final output members
    • F16H2007/0812—Fluid pressure
    • 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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • F16H7/0848—Means for varying tension of belts, ropes or chains  with means for impeding reverse motion
    • F16H2007/0859—Check valves
    • 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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes or chains 
    • F16H2007/0876—Control or adjustment of actuators
    • F16H2007/0885—Control or adjustment of actuators the tension being a function of engine running condition

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Description

【図面の簡単な説明】
第１図ないし第６図は本考案の一実施例を示す
もので、第１図は内燃機関の簡略化した側面図、
第２図は張力調整手段の要部縦断面図、第３図は
動弁駆動力伝達手段の構成を示すための内燃機関
の要部縦断面図、第４図は第３図の−線断面
図、第５図は弁作動態様変更機構を示すための第
３図の−線拡大断面図、第６図はロツカ軸内
給油路への潤滑油供給用切換弁の構成を示す縦断
面図、第７図は弁作動態様の変化に応じた機関回
転数と伝動帯荷重との関係を示すグラフ、第８図
は伝動帯プリセツト荷重に応じた機関回転数と伝
動帯荷重との関係を示すグラフである。 ５……クランク軸、７ｉ，７ｅ……動弁カム軸
、１１……伝動帯としてのタイミングベルト、１
２……張力調整手段、７６ｉ，７６ｅ……動弁駆
動力伝達手段、８６ｉ，８６ｅ……弁作動態様変
更機構、１４０……制御手段、Ｅ……機関本体、
Ｔ……巻掛伝動系、Ｖｅ……機関弁としての排気
弁、Ｖｉ……機関弁としての吸気弁。

Claims (1)

    【実用新案登録請求の範囲】
  1. 機関本体に開閉可能に支承される機関弁と動弁
    カム軸との間に介設される動弁駆動力伝達手段に
    、機関弁の開閉作動態様を機関の運転状態に応じ
    て変更可能な弁作動態様変更機構が設けられ、前
    記動弁カム軸およびクランク軸間には巻掛伝動系
    が設けられる内燃機関の動弁装置において、巻掛
    伝動系の伝動帯張力を調整可能な張力調整手段と
    、該張力調整手段の作動を弁作動態様変更機構の
    作動態様に応じて制御する制御手段とを備えるこ
    とを特徴とする内燃機関の動弁装置。
JP1989079660U 1989-07-06 1989-07-06 内燃機関の動弁装置 Expired - Lifetime JPH0754561Y2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1989079660U JPH0754561Y2 (ja) 1989-07-06 1989-07-06 内燃機関の動弁装置
US07/548,123 US5065709A (en) 1989-07-06 1990-07-05 Valve operating system for internal combustion engine
EP90307390A EP0408260B1 (en) 1989-07-06 1990-07-06 Valve operation system for internal combustion engine
DE90307390T DE69006123T2 (de) 1989-07-06 1990-07-06 Ventilsteuervorrichtung für Brennkraftmaschine.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989079660U JPH0754561Y2 (ja) 1989-07-06 1989-07-06 内燃機関の動弁装置

Publications (2)

Publication Number Publication Date
JPH0319404U true JPH0319404U (ja) 1991-02-26
JPH0754561Y2 JPH0754561Y2 (ja) 1995-12-18

Family

ID=13696309

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989079660U Expired - Lifetime JPH0754561Y2 (ja) 1989-07-06 1989-07-06 内燃機関の動弁装置

Country Status (4)

Country Link
US (1) US5065709A (ja)
EP (1) EP0408260B1 (ja)
JP (1) JPH0754561Y2 (ja)
DE (1) DE69006123T2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001146946A (ja) * 1999-11-19 2001-05-29 Ntn Corp チェーンテンショナ
JP2015183577A (ja) * 2014-03-24 2015-10-22 富士重工業株式会社 ロッカアーム脱落防止機構

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002029214A1 (en) * 2000-09-29 2002-04-11 Edward Charles Mendler Valve control apparatus
JP3561467B2 (ja) * 2000-10-25 2004-09-02 本田技研工業株式会社 エンジンの動弁制御装置
JP2002138847A (ja) * 2000-10-31 2002-05-17 Mitsubishi Electric Corp ベルト伝動装置
US6561146B2 (en) * 2001-07-25 2003-05-13 Borgwarner, Inc. Method of controlling resonances in internal combustion engine having variable cam timing
US6871620B2 (en) * 2002-04-09 2005-03-29 Ford Global Technologies, Llc Variable cam timing unit oil supply arrangement
US10240664B2 (en) 2014-06-20 2019-03-26 Litens Automotive Partnership Tensioner with hydraulic locking feature
GB201420017D0 (en) * 2014-11-11 2014-12-24 Delphi International Operations Luxembourg S.�.R.L. Hydraulic lash adjuster arrangement ina servo injector
US9739180B2 (en) * 2015-08-07 2017-08-22 GM Global Technology Operations LLC Variable tensioning for engine camshaft drive
US10557531B2 (en) * 2016-06-29 2020-02-11 GM Global Technology Operations LLC Idler assembly
EP4162174B1 (en) * 2020-06-09 2025-01-22 Antony, Ashlyn An apparatus for eliminating slack and vibrations in the chain of a chain drive

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS597521U (ja) * 1982-07-06 1984-01-18 株式会社東海理化電機製作所 モ−タ運転用押釦スイツチ装置
JPS603924U (ja) * 1983-06-20 1985-01-12 株式会社三協精機製作所 光学系の支持装置
JPS6318664U (ja) * 1986-07-22 1988-02-06

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3888217A (en) * 1973-09-24 1975-06-10 Charles A Hisserich Camshaft belt drive for variable valve timing
US4484543A (en) * 1979-06-20 1984-11-27 Maxey Joel W Adjustable non-throttling control apparatus for spark ignition internal combustion engines
DE3509094A1 (de) * 1984-04-06 1985-10-17 Volkswagenwerk Ag, 3180 Wolfsburg Einrichtung zum stufenlosen verstellen der steuerzeiten von gaswechselventilen
JPH0627488B2 (ja) * 1984-05-14 1994-04-13 日産自動車株式会社 内燃機関のバルブタイミング制御装置
JP2610121B2 (ja) * 1985-05-14 1997-05-14 ヤマハ発動機株式会社 内燃機関の開弁時期調節装置
JPS62203913A (ja) * 1986-02-28 1987-09-08 Fuji Heavy Ind Ltd 自動車用エンジンの動弁装置
US4726331A (en) * 1986-05-06 1988-02-23 Yamaha Hatsudoki Kabushiki Kaisha Means for variable valve timing for engine
DE3800347A1 (de) * 1987-01-08 1988-09-29 Honda Motor Co Ltd Ventilbetaetigungsvorrichtung in einer brennkraftmaschine
US4744338A (en) * 1987-02-24 1988-05-17 Allied Corporation Variable camshaft timing system
JPH01134013A (ja) * 1987-11-19 1989-05-26 Honda Motor Co Ltd 内燃機関の動弁制御方法および装置
US4883027A (en) * 1987-11-25 1989-11-28 Honda Giken Kogyo Kabushiki Kaisha Valve operating system for internal combustion engines
SE459982B (sv) * 1988-05-19 1989-08-28 Saab Scania Ab Spaennanordning foer ett i en transmission ingaaende kraftoeverfoeringsorgan

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS597521U (ja) * 1982-07-06 1984-01-18 株式会社東海理化電機製作所 モ−タ運転用押釦スイツチ装置
JPS603924U (ja) * 1983-06-20 1985-01-12 株式会社三協精機製作所 光学系の支持装置
JPS6318664U (ja) * 1986-07-22 1988-02-06

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001146946A (ja) * 1999-11-19 2001-05-29 Ntn Corp チェーンテンショナ
JP2015183577A (ja) * 2014-03-24 2015-10-22 富士重工業株式会社 ロッカアーム脱落防止機構

Also Published As

Publication number Publication date
DE69006123T2 (de) 1994-05-05
EP0408260B1 (en) 1994-01-19
DE69006123D1 (de) 1994-03-03
EP0408260A1 (en) 1991-01-16
US5065709A (en) 1991-11-19
JPH0754561Y2 (ja) 1995-12-18

Similar Documents

Publication Publication Date Title
US6357405B1 (en) Valve drive mechanism of four-stroke cycle engine
JPH0319404U (ja)
DE60218628D1 (de) Multizylinderbrennkraftmaschine mit variabler Ventilsteuerung und Ventilbremsvorrichtung
EP1234958B1 (en) A method of and apparatus for controlling quantity of air drawn into internal combustion engine
US4387674A (en) Valve train
JPH0580561B2 (ja)
CN101012760A (zh) 顶置式凸轮发动机
JPS61179307U (ja)
JPH09228808A (ja) 内燃エンジンの動弁装置
KR19980038560A (ko) 로커암 타입 차량 엔진의 밸브 리프트량 조절 캠 구조
JP4154297B2 (ja) エンジン
JPS6266206U (ja)
JP2003328716A5 (ja)
JPS6216706U (ja)
JPH0220406Y2 (ja)
JPH0227123Y2 (ja)
CN201013411Y (zh) 顶置式凸轮发动机
JPS6269005U (ja)
JPS6451737U (ja)
JPH0199910U (ja)
JPH0317106U (ja)
JPH0185405U (ja)
JPS63230917A (ja) ダブルオ−バ−ヘツドカムエンジンのバルブタイミング変更装置
JPH0399806U (ja)
JPS62243910A (ja) ４サイクル内燃機関の吸排気弁開閉装置

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term