FI102691B - Styrsystem för ventiler i en förbränningsmotor - Google Patents

Styrsystem för ventiler i en förbränningsmotor Download PDF

Info

Publication number
FI102691B
FI102691B FI973212A FI973212A FI102691B FI 102691 B FI102691 B FI 102691B FI 973212 A FI973212 A FI 973212A FI 973212 A FI973212 A FI 973212A FI 102691 B FI102691 B FI 102691B
Authority
FI
Finland
Prior art keywords
engine
pressure
valve
piston
filling channel
Prior art date
Application number
FI973212A
Other languages
English (en)
Finnish (fi)
Other versions
FI973212A0 (sv
FI102691B1 (sv
FI973212A (sv
Inventor
Taimo Tapio Stenman
Original Assignee
Waertsilae Tech Oy Ab
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
Priority to FI960352A priority Critical patent/FI101998B1/sv
Priority to PCT/FI1997/000013 priority patent/WO1998030787A1/en
Application filed by Waertsilae Tech Oy Ab filed Critical Waertsilae Tech Oy Ab
Priority to FI973212A priority patent/FI102691B1/sv
Publication of FI973212A0 publication Critical patent/FI973212A0/sv
Publication of FI973212A publication Critical patent/FI973212A/sv
Application granted granted Critical
Publication of FI102691B publication Critical patent/FI102691B/sv
Publication of FI102691B1 publication Critical patent/FI102691B1/sv

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • F01L9/11Valve-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
    • F01L9/12Valve-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
    • F01L9/14Valve-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02Valve drive
    • F01L1/04Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/08Shape of cams
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-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
    • F01L1/344Valve-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
    • F01L1/3442Valve-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
    • F01L2001/34423Details relating to the hydraulic feeding circuit
    • F01L2001/34446Fluid 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)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Claims (10)

1. Manöversystem for ventiler i en förbränningsmotor försedd med minst en S sugventil och/eller minst en avgasventil per cylinder, d& anläggningen är utrustad med en kolv (4) p& kamaxelns kamsida och en kolv (6) p& ventilsidan samt, mellan de ovannämnda kolvama (4,6), ett cylinderutiyinme (5) tili vilket hör minst en päfyllningskanal for vätska (8,9,10) som formedlar kraft mellan kolvama, kännetecnat av att motoms rotation med hjälp av 10 startanordningen (43) kan Astadkommas forst nfir den formedlande vätakans tiyck i päfyUningskanalen (8,9,10) har höjts i tillräcklig grad.
2. Ett system enligt patentkrav 1, kännetecnat av att 15 den ftr utrustad med minst en avloppskanal (20,20A, 20B, 20C, 15,16) för den vätska som formedlar kraft mellan kolvama.
3. Ett system enligt patentkrav 1, kännetecnat av att 20 tili tryckvakten (39) lflngs styikanalen (40) leds den formedlande vätskans tryck, scan när det stigit tillräckligt, rficker tili för att ästadkomma kontakt mellan startanoidningen (43) och dess kraftkälla (35).
4. Ett systan enligt patentkrav 1 och 3, kiimetecnat av att tryckvakten (39) ger en manöverimpuls som öppnar forbindelsen sä att tryckluft producerad med hjälp av en separat luftpump skall kunna komma in i startsystemet.
5. Ett system enligt patenikrav 1, kftnnetecnat av att det av tryckvakten (39) identifierade trycket via distributionanfitet riktas tili p&fyllningskanalen (8,9,10). 11 102691
6. Ett system enligt patentkrav 1, kiimetecnat av att motoms smflijpunkter pumpas upp med smöijolja med hjfilp av en oljepump (38B) iiman motom staitas. 5
7. Ett system enligt patentkrav 1, kiimetecnat av att dftr,fbrutom den pifyllningskanal (8,9) som tillsluts med kamsidans kolv (4), finns en p&fyllningskanal (10) vars innersta mynning inte tillsluts av kolven (4). 10
8. Ett system enligt patentkrav 1 och 7, kiimetecnat av att fastin p&fyllningskanalen (8,9) tillsluts av kamsidans kolv (4) nir motom har stannats, si fylls cylindenitrymmet (S) mellan kamsidans kolv och ventilsidans kolv (6) vid behov via den med en bakslagsventil (10A) formed lande vätskans tryck med hjfllp av en oljepump (38B).
9. Ett system enligt patentkrav 1, kiimetecnat av att 20 &tminstone en p&fyllningsskanal (10) Sr forsedd med bakslagsventil (10A).
10. Ett system enligt patentkrav 1, kiimetecnat av att oljematningslinjen flr forsedd med minst en ackumulator (28,29). 25
FI973212A 1996-01-26 1997-08-01 Styrsystem för ventiler i en förbränningsmotor FI102691B1 (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI960352A FI101998B1 (sv) 1996-01-26 1996-01-26 Anordning för styrning av ventilernas funktion i en förbränningsmotor
PCT/FI1997/000013 WO1998030787A1 (en) 1996-01-26 1997-01-13 A device for controlling the valves of an internal combustion engine
FI973212A FI102691B1 (sv) 1996-01-26 1997-08-01 Styrsystem för ventiler i en förbränningsmotor

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
FI960352A FI101998B1 (sv) 1996-01-26 1996-01-26 Anordning för styrning av ventilernas funktion i en förbränningsmotor
FI960352 1996-01-26
PCT/FI1997/000013 WO1998030787A1 (en) 1996-01-26 1997-01-13 A device for controlling the valves of an internal combustion engine
FI9700013 1997-01-13
FI973212 1997-08-01
FI973212A FI102691B1 (sv) 1996-01-26 1997-08-01 Styrsystem för ventiler i en förbränningsmotor

Publications (4)

Publication Number Publication Date
FI973212A0 FI973212A0 (sv) 1997-08-01
FI973212A FI973212A (sv) 1997-08-16
FI102691B true FI102691B (sv) 1999-01-29
FI102691B1 FI102691B1 (sv) 1999-01-29

Family

ID=27241665

Family Applications (2)

Application Number Title Priority Date Filing Date
FI960352A FI101998B1 (sv) 1996-01-26 1996-01-26 Anordning för styrning av ventilernas funktion i en förbränningsmotor
FI973212A FI102691B1 (sv) 1996-01-26 1997-08-01 Styrsystem för ventiler i en förbränningsmotor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FI960352A FI101998B1 (sv) 1996-01-26 1996-01-26 Anordning för styrning av ventilernas funktion i en förbränningsmotor

Country Status (2)

Country Link
FI (2) FI101998B1 (sv)
WO (1) WO1998030787A1 (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20030389A1 (it) * 2003-06-23 2004-12-24 Magneti Marelli Powertrain Spa Gruppo elettroidraulico di azionamento delle valvole
FI117348B (sv) * 2004-02-24 2006-09-15 Taimo Tapio Stenman Hydraulisk apparatanordning för att styra ventilernas funktion i en förbränningsmotor
DE102008049181A1 (de) * 2008-09-26 2010-04-01 Schaeffler Kg Elektrohydraulische Ventilsteuerung
ATE520866T1 (de) * 2008-11-07 2011-09-15 Fiat Ricerche Dieselmotor mit nocken zum betätigen von einlassventilen, welche einen hauptnocken und einen hilfsnocken, die miteinander verbunden sind,aufweisen
ATE499511T1 (de) 2008-11-07 2011-03-15 Fiat Ricerche Dieselmotor mit variabler einlassventilbetätigung und einer internen abgasrückführung
JP5393801B2 (ja) 2008-11-20 2014-01-22 ワルトシラ フィンランド オサケユキチュア ピストンエンジンのターボチャージャー速度制御方法及びターボチャージ型ピストンエンジン用の制御システム
FI124576B (sv) * 2012-10-18 2014-10-31 Wärtsilä Finland Oy Gasväxelventilarrangemang
EP2832960B1 (en) 2013-08-01 2015-09-16 C.R.F. Società Consortile per Azioni Internal combustion engine having a system for variable actuation of the intake valves, provided with an electrically actuated control valve having two ways and three positions
CN114088924B (zh) * 2021-11-16 2023-06-02 江苏徐工工程机械研究院有限公司 工程机械润滑油的监测装置和监测方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2448311B2 (de) * 1974-10-10 1978-03-23 Maschinenfabrik Augsburg-Nuernberg Ag, 8500 Nuernberg Regelbare hydraulische Ventilsteuerung für Hubkolbenkraft- oder Arbeitsmaschinen
DE2636944A1 (de) * 1976-08-17 1978-02-23 Inst Motorenbau Prof Huber E V Antrieb fuer gaswechselventile von brennkraftmaschinen
DE2825316A1 (de) * 1978-06-09 1979-12-20 Maschf Augsburg Nuernberg Ag Regelbare hydraulische ventilsteuerung fuer hubkolbenkraft- oder arbeitsmaschinen
JPS6095114A (ja) * 1983-10-31 1985-05-28 Fujio Inoue 原動機の弁開閉機構装置
DE3909822A1 (de) * 1989-03-25 1990-09-27 Bosch Gmbh Robert Einrichtung zur betaetigung und steuerung der ventile einer brennkraftmaschine
DE3939934A1 (de) * 1989-12-02 1991-06-06 Man Nutzfahrzeuge Ag Ventilsteuerung fuer gaswechselventile von brennkraftmaschinen

Also Published As

Publication number Publication date
FI973212A0 (sv) 1997-08-01
FI102691B1 (sv) 1999-01-29
FI101998B (sv) 1998-09-30
FI973212A (sv) 1997-08-16
FI101998B1 (sv) 1998-09-30
WO1998030787A1 (en) 1998-07-16
FI960352A (sv) 1997-08-16
FI960352A0 (sv) 1996-01-26

Similar Documents

Publication Publication Date Title
EP1977106B1 (en) Large uniflow two-stroke diesel engine of the crosshead type
CN101275527B (zh) 用于大型两冲程柴油发动机的凸轮驱动燃料喷射系统
US5517972A (en) Method and apparatus for rate shaping injection in a hydraulically-actuated electronically controlled fuel injector
US5517951A (en) Two stroke/four stroke engine
JP5091917B2 (ja) 簡略化したエンジンバルブの可変駆動システムを備える内燃エンジン、特に2気筒エンジン
WO1993007380A1 (en) Hydraulically-actuated electronically-controlled unit injector fuel system having variable control of actuating fluid pressure
JP2009532615A5 (sv)
US20100192878A1 (en) Air hybrid engine with dual chamber cylinder
US7191756B2 (en) System and method for controling crankshaft position during engine shutdown using cylinder pressure
EP0607142A1 (en) Hydraulically operated electronically controlled injection unit with adjustable piston stroke and operating procedure.
FI102691B (sv) Styrsystem för ventiler i en förbränningsmotor
US5806631A (en) Piston pin lubrication
US5735242A (en) Fuel pressure activated engine compression braking system
FI70070C (fi) Pao gnisttaendning baserad foerbraenningsmotor
CN101818668A (zh) 十字头型的大型两冲程柴油发动机
US6216667B1 (en) Method and device for a supercharged engine brake
WO2010054653A1 (en) Large two-stroke diesel engine with electronically controlled exhaust valve actuation system
WO2010006599A1 (en) Cam driven exhaust valve actuation system for large two stroke diesel engine
EP0722043B1 (en) Compressed-air supply system for vehicles
DK177695B1 (en) A large slow running turbocharged two-stoke uniflow internal combustion engine with crosshead and a cam driven exhaust valve actuation system
US20040065285A1 (en) Variable engine valve actuator
DK180164B1 (en) Multi-lubricant cylinder lubrication system for a large two-stroke internal combustion engine
KR102122224B1 (ko) 배기 밸브 작동 시스템 및 대형 2행정 내연 기관
US11352914B2 (en) Valve train for an internal combustion engine of a motor vehicle, and method for operating such a valve train
US20010040346A1 (en) Piston ring assembly