IT1135279B - Sistema di comando valvolare per motori endotermici - Google Patents

Sistema di comando valvolare per motori endotermici

Info

Publication number
IT1135279B
IT1135279B IT19487/81A IT1948781A IT1135279B IT 1135279 B IT1135279 B IT 1135279B IT 19487/81 A IT19487/81 A IT 19487/81A IT 1948781 A IT1948781 A IT 1948781A IT 1135279 B IT1135279 B IT 1135279B
Authority
IT
Italy
Prior art keywords
control system
valve control
endothermal engines
endothermal
engines
Prior art date
Application number
IT19487/81A
Other languages
English (en)
Other versions
IT8119487A0 (it
Inventor
Rainer List
Klaus Schellmann
Heinz Schulze
Original Assignee
H C F Porche Ag
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 H C F Porche Ag filed Critical H C F Porche Ag
Publication of IT8119487A0 publication Critical patent/IT8119487A0/it
Application granted granted Critical
Publication of IT1135279B publication Critical patent/IT1135279B/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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • F01L9/11—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column
    • F01L9/12—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem
    • F01L9/14—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem the volume of the chamber being variable, e.g. for varying the lift or the timing of a valve
    • 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
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/245—Hydraulic tappets
    • F01L1/25—Hydraulic tappets between cam and valve stem
    • 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
    • F01L2001/34446—Fluid accumulators for the feeding circuit

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)
IT19487/81A 1980-02-07 1981-02-03 Sistema di comando valvolare per motori endotermici IT1135279B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803004396 DE3004396A1 (de) 1980-02-07 1980-02-07 Ventilsteuerung fuer brennkraftmaschinen

Publications (2)

Publication Number Publication Date
IT8119487A0 IT8119487A0 (it) 1981-02-03
IT1135279B true IT1135279B (it) 1986-08-20

Family

ID=6093917

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19487/81A IT1135279B (it) 1980-02-07 1981-02-03 Sistema di comando valvolare per motori endotermici

Country Status (7)

Country Link
US (1) US4452186A (it)
JP (1) JPS56126609A (it)
DE (1) DE3004396A1 (it)
FR (1) FR2475622A1 (it)
GB (1) GB2070716B (it)
IT (1) IT1135279B (it)
SE (1) SE442535B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3537630A1 (de) * 1984-10-31 1986-04-30 Volkswagen AG, 3180 Wolfsburg Ventilanordnung, insbesondere fuer eine brennkraftmaschine
GB2171454A (en) * 1985-02-26 1986-08-28 South Western Ind Res An adjustable valve actuator for an engine
DE3532549A1 (de) * 1985-09-12 1987-03-19 Bosch Gmbh Robert Ventilsteuervorrichtung
GB8614310D0 (en) * 1986-06-12 1986-07-16 South Western Ind Res Variable actuator
US4796573A (en) * 1987-10-02 1989-01-10 Allied-Signal Inc. Hydraulic engine valve lifter assembly
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
JPH01253515A (ja) * 1987-11-19 1989-10-09 Honda Motor Co Ltd 内燃機関の動弁装置
JPH01134018A (ja) * 1987-11-19 1989-05-26 Honda Motor Co Ltd 内燃機関の動弁装置
US5302315A (en) * 1988-09-20 1994-04-12 Schill & Seilacher (Gmbh & Co.) Vulcanization activator method
JPH033905A (ja) * 1989-05-16 1991-01-10 Volkswagen Ag <Vw> 上下動弁、特に内燃機関の荷重交番弁の弁駆動装置
JPH0357805A (ja) * 1989-07-26 1991-03-13 Fuji Heavy Ind Ltd 可変バルブタイミング装置
DE3939003A1 (de) * 1989-11-25 1991-05-29 Bosch Gmbh Robert Hydraulische ventilsteuervorrichtung fuer brennkraftmaschinen
DE4202506B4 (de) * 1991-02-12 2005-11-10 Volkswagen Ag Variabler Ventiltrieb für ein Hubventil
DE69432362T2 (de) * 1993-05-24 2004-03-04 Syed, Ahmed, Anaheim Variables ventilverteilungssystem
US5372114A (en) * 1993-10-29 1994-12-13 Cummins Engine Company, Inc. Dampened pressure regulating and load cell tappet
ITTO20020234A1 (it) * 2002-03-15 2003-09-15 Fiat Ricerche Motore pluricilindrico a combustione interna con dispositivo idraulico a controllo elettronico per l'azionamento variabile delle valvole e d
GB2503705A (en) * 2012-07-05 2014-01-08 Eaton Srl Hydraulic Lash Adjuster and Lost Motion System
JP6165528B2 (ja) * 2013-07-12 2017-07-19 日野自動車株式会社 可変バルブシステム
EP3156619B1 (en) * 2015-10-13 2018-06-06 C.R.F. Società Consortile per Azioni System and method for variable actuation of a valve of an internal combustion engine, with a device for dampening pressure oscillations

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR573596A (fr) * 1922-10-02 1924-06-26 Perfectionnements apportés à la commande de certains éléments, en mouvement périodique, de moteurs, notamment à celle d'éléments, tels que les soupapes, les organes d'injection et les dispositifs de graissage, dont le mouvement alterne avec des périodes de repos
US2652038A (en) * 1947-05-29 1953-09-15 Bendix Aviat Corp Multiple cylinder internalcombustion engine
US2833257A (en) * 1955-07-05 1958-05-06 Daimler Benz Ag Valve control mechanism for internal combustion engines
DE2051220A1 (de) * 1970-10-19 1972-04-20 Robert Bosch Gmbh, 7000 Stuttgart Steuerung von Ein- und Auslaßventilen bei Brennkraftmaschinen durch Flüssigkeit
US3786792A (en) * 1971-05-28 1974-01-22 Mack Trucks Variable valve timing system
JPS52110313A (en) * 1976-03-12 1977-09-16 Toyota Motor Corp Suction/exhaust valve operation mechanism for internal-combustion engi ne
US4114643A (en) * 1976-07-02 1978-09-19 Nissan Motor Company, Limited Valve operating mechanism of internal combustion engine
DE2754446A1 (de) * 1977-12-07 1979-06-13 Motomak Sich selbsttaetig hydraulisch einstellender ventilstoessel fuer brennkraftmaschinen mit obenliegender nockenwelle
US4347812A (en) * 1978-04-28 1982-09-07 Nippon Soken, Inc. Hydraulic valve lift device
US4254749A (en) * 1979-03-23 1981-03-10 Eaton Corporation Fuel injection system and timing advance device therefor

Also Published As

Publication number Publication date
SE8100695L (sv) 1981-08-08
US4452186A (en) 1984-06-05
GB2070716B (en) 1983-06-02
SE442535B (sv) 1986-01-13
FR2475622B1 (it) 1984-06-29
IT8119487A0 (it) 1981-02-03
GB2070716A (en) 1981-09-09
FR2475622A1 (fr) 1981-08-14
DE3004396A1 (de) 1981-08-13
JPS56126609A (en) 1981-10-03

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