IT1123701B - Dispositivo idraulico per l'attivazione di valvole per il cambio di gas - Google Patents

Dispositivo idraulico per l'attivazione di valvole per il cambio di gas

Info

Publication number
IT1123701B
IT1123701B IT25667/79A IT2566779A IT1123701B IT 1123701 B IT1123701 B IT 1123701B IT 25667/79 A IT25667/79 A IT 25667/79A IT 2566779 A IT2566779 A IT 2566779A IT 1123701 B IT1123701 B IT 1123701B
Authority
IT
Italy
Prior art keywords
valves
activation
hydraulic device
gas change
gas
Prior art date
Application number
IT25667/79A
Other languages
English (en)
Other versions
IT7925667A0 (it
Inventor
Hans Jurgen Zurner
Wolfgang Fuhrmann
Original Assignee
Maschf Augsburg Nuernberg 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 Maschf Augsburg Nuernberg Ag filed Critical Maschf Augsburg Nuernberg Ag
Publication of IT7925667A0 publication Critical patent/IT7925667A0/it
Application granted granted Critical
Publication of IT1123701B publication Critical patent/IT1123701B/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
    • 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)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Vehicle Body Suspensions (AREA)
IT25667/79A 1978-09-16 1979-09-12 Dispositivo idraulico per l'attivazione di valvole per il cambio di gas IT1123701B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2840445A DE2840445C2 (de) 1978-09-16 1978-09-16 Hydraulische Vorrichtung zum Betätigen eines Gaswechselventils für Brennkraftmaschinen

Publications (2)

Publication Number Publication Date
IT7925667A0 IT7925667A0 (it) 1979-09-12
IT1123701B true IT1123701B (it) 1986-04-30

Family

ID=6049676

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25667/79A IT1123701B (it) 1978-09-16 1979-09-12 Dispositivo idraulico per l'attivazione di valvole per il cambio di gas

Country Status (14)

Country Link
US (1) US4278233A (it)
JP (1) JPS5543295A (it)
CH (1) CH642429A5 (it)
DD (1) DD146076A1 (it)
DE (1) DE2840445C2 (it)
FR (1) FR2436255B1 (it)
GB (1) GB2032005B (it)
HU (1) HU180014B (it)
IN (1) IN151291B (it)
IT (1) IT1123701B (it)
PH (1) PH17702A (it)
RO (1) RO78026A (it)
SE (1) SE438707B (it)
SU (1) SU997614A3 (it)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480854A1 (fr) * 1980-04-22 1981-10-23 Renault Commande de soupapes de moteurs a combustion interne par distributeur hydraulique a faible consommation de puissance
FR2484531A1 (fr) * 1980-06-11 1981-12-18 Renault Poussoir hydraulique de soupape, a fuite hydraulique et amortisseur de retombee de la soupape
DE3115424A1 (de) * 1981-04-16 1982-11-11 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Einrichtung zum taktrichtigen betaetigen von gaswechselventilen
DE3115422A1 (de) * 1981-04-16 1982-11-11 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Hydraulische einrichtung zum betaetigen von gaswechselventilen
DE3115423A1 (de) * 1981-04-16 1982-11-11 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Hydraulische einrichtung zum betaetigen von gaswechselventilen
US4584974A (en) * 1982-07-27 1986-04-29 Nissan Motor Co., Ltd. Valve operation changing system of internal combustion engine
DE3300763A1 (de) * 1983-01-12 1984-07-12 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Hydraulische einrichtung zum betaetigen von gaswechselventilen
WO1986002405A1 (en) * 1984-10-15 1986-04-24 Williams John K Hydraulic valve timing control device for an internal combustion engine
DE3511819A1 (de) * 1985-03-30 1986-10-09 Robert Bosch Gmbh, 7000 Stuttgart Ventilsteuervorrichtung
DE3511820A1 (de) * 1985-03-30 1986-10-02 Robert Bosch Gmbh, 7000 Stuttgart Ventilsteuervorrichtung fuer eine hubkolben-brennkraftmaschine
DE3621402A1 (de) * 1986-06-26 1988-01-14 Kloeckner Humboldt Deutz Ag Hydraulisch betaetigter stoessel
EP0345252B1 (en) * 1986-09-09 1992-03-25 WRIDE, Marlene Alfreda Variable lift cam follower
JPS63176609A (ja) * 1987-01-19 1988-07-20 Honda Motor Co Ltd 吸・排気弁の制御装置
US4852527A (en) * 1987-01-28 1989-08-01 General Motors Corporation Low noise valve train
JPH01134018A (ja) * 1987-11-19 1989-05-26 Honda Motor Co Ltd 内燃機関の動弁装置
DE3809953C1 (it) * 1988-03-24 1989-08-24 Bayerische Motoren Werke Ag, 8000 Muenchen, De
DE3815668A1 (de) * 1988-05-07 1989-11-16 Bosch Gmbh Robert Ventilsteuervorrichtung mit magnetventil fuer brennkraftmaschinen
US4887562A (en) * 1988-09-28 1989-12-19 Siemens-Bendix Automotive Electronics L.P. Modular, self-contained hydraulic valve timing systems for internal combustion engines
US4901684A (en) * 1988-11-10 1990-02-20 Marlene Alfreda Wride Variable lift cam follower
US5002022A (en) * 1989-08-30 1991-03-26 Cummins Engine Company, Inc. Valve control system with a variable timing hydraulic link
CH681825A5 (it) * 1991-05-22 1993-05-28 New Sulzer Diesel Ag
US5421359A (en) * 1992-01-13 1995-06-06 Caterpillar Inc. Engine valve seating velocity hydraulic snubber
US5255639A (en) * 1992-10-15 1993-10-26 Siemens Automotive L.P. Integral EVT/cylinder head assembly with self-purging fluid flow
DE19723261C2 (de) * 1997-06-03 1999-04-29 Nicola Lapcevic Ventilsteuerung
US5996550A (en) * 1997-07-14 1999-12-07 Diesel Engine Retarders, Inc. Applied lost motion for optimization of fixed timed engine brake system
US6321701B1 (en) 1997-11-04 2001-11-27 Diesel Engine Retarders, Inc. Lost motion valve actuation system
BR9814889A (pt) * 1997-11-21 2000-10-03 Diesel Engine Retarders Inc Sistema de atuação de válvula para atuar pelo menos uma válvula em um motor durante uma operação do motor, sistema de partida para um conjunto de atuação de válvula de motor, e, processo de remover pelo menos um dentre ar e resìduos de um conjunto de atuação de válvula de motor durante uma operação de partida de motor
DE19756018A1 (de) * 1997-12-17 1999-06-24 Porsche Ag Einrichtung zur Druck- und/oder Schmiermittelbeaufschlagung eines hydraulischen Verbrauchers in einer Brennkraftmaschine
GB9906504D0 (en) * 1999-03-23 1999-05-12 Csa Performance Ltd Valve actuation means
WO2001020150A1 (en) 1999-09-17 2001-03-22 Diesel Engine Retarders, Inc. Captive volume accumulator for a lost motion system
DE10039424A1 (de) * 2000-08-11 2002-02-28 Siemens Ag Dosierventil mit einem hydraulischen Übertragungselement
US7059283B2 (en) * 2003-12-18 2006-06-13 Olivetti Gian M System and method of retaining hydraulic fluid in a hydraulic valve actuation system
US6886511B1 (en) * 2004-04-07 2005-05-03 General Motors Corporation Lost motion assembly for a poppet valve of an internal combustion engine
DE102004024266A1 (de) * 2004-05-15 2005-12-01 Daimlerchrysler Ag Vorrichtung zur Betätigung eines Gaswechselventils einer Brennkraftmaschine
RU2435047C2 (ru) * 2007-08-07 2011-11-27 СКАДЕРИ ГРУП, ЭлЭлСи Двигатель с разделенным циклом со спиральным перепускным каналом
FI124120B (fi) * 2008-07-31 2014-03-31 Wärtsilä Finland Oy Ohjausjärjestely mäntämoottorissa
CN105604625B (zh) * 2016-03-07 2017-12-12 吉林大学 凸轮驱动式发动机液压气门控制装置
DE102016218918B4 (de) * 2016-09-29 2018-09-13 Schaeffler Technologies AG & Co. KG Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb
DE102016219297B4 (de) * 2016-10-05 2021-12-30 Schaeffler Technologies AG & Co. KG Hydraulikeinheit für eine Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb
DE102017202083A1 (de) * 2017-02-09 2018-08-09 Skf Lubrication Systems Germany Gmbh Schmiermittelreservoirsystem

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1696984A (en) * 1926-11-08 1929-01-01 Trbojevich Nikola Fluid-operated valve
US1690032A (en) * 1927-04-25 1928-10-30 Noble Hydraulic valve gear
DE467440C (de) * 1927-05-08 1928-10-25 Waggon Und Maschb Akt Ges Goer Druckfluessigkeitssteuerung fuer Ventile von Brennkraftmaschinen
US2126885A (en) * 1936-02-25 1938-08-16 Bendix Aviat Corp Valve gear
US2329662A (en) * 1941-11-12 1943-09-14 Wright Aeronautical Corp Hydraulic valve gear
US2602434A (en) * 1947-03-29 1952-07-08 Worthington Pump & Mach Corp Hydraulic valve operating mechanism operable to vary valve lift and valve timing
FR996813A (fr) * 1949-08-23 1951-12-27 Perfectionnements aux commandes hydrauliques
DE1264857B (de) * 1960-02-10 1968-03-28 Nuovo Pignone Spa Hydraulische Einrichtung zum Betaetigen der Gaswechselventile fuer Brennkraftmaschinen und Motorkompressoren
US3119592A (en) * 1960-02-10 1964-01-28 Nuovo Pignone Spa Apparatus for hydraulic control of the valves of an internal combustion engine or motor compressor
AT240649B (de) * 1963-03-22 1965-06-10 Hans Dipl Ing Dr Techn List Hydraulische Steuerungseinrichtung für Brennkraftmaschinen, insbesondere Gasmaschinen
US3306270A (en) * 1964-07-09 1967-02-28 Eugene L Mccarl Valve operation system
JPS543B2 (it) * 1974-02-28 1979-01-05
DE2448311B2 (de) * 1974-10-10 1978-03-23 Maschinenfabrik Augsburg-Nuernberg Ag, 8500 Nuernberg Regelbare hydraulische Ventilsteuerung für Hubkolbenkraft- oder Arbeitsmaschinen

Also Published As

Publication number Publication date
IN151291B (it) 1983-03-26
SE7907629L (sv) 1980-03-17
SE438707B (sv) 1985-04-29
DE2840445C2 (de) 1984-10-04
FR2436255A1 (fr) 1980-04-11
PH17702A (en) 1984-11-14
JPS5543295A (en) 1980-03-27
DD146076A1 (de) 1981-01-21
JPS6315448B2 (it) 1988-04-05
GB2032005B (en) 1982-09-08
HU180014B (en) 1983-01-28
IT7925667A0 (it) 1979-09-12
GB2032005A (en) 1980-04-30
RO78026A (ro) 1982-02-01
FR2436255B1 (fr) 1985-10-25
US4278233A (en) 1981-07-14
SU997614A3 (ru) 1983-02-15
DE2840445A1 (de) 1980-04-17
CH642429A5 (de) 1984-04-13

Similar Documents

Publication Publication Date Title
IT1123701B (it) Dispositivo idraulico per l'attivazione di valvole per il cambio di gas
IT1077260B (it) Procedimento per il controllo di apparecchi per l'analisi di gas
IT1112833B (it) Valvola di controllo
DK159512C (da) Fluidumstyreapparat
IT1123582B (it) Valvola di aerazione
NO150252C (no) Tilbakeslagsventil
BE875092A (nl) Klep
IT7830616A0 (it) Dispositivo per l'azionamento comandato di valvole.
BR8001455A (pt) Valvula hidraulica
DK491480A (da) Fluidumventil
IT1122814B (it) Valvola di decelerazione
IT1117081B (it) Dispositivo di azionamento meccanico per valvole idrauliche
IT1122112B (it) Valvola di scarico regolabile
BR7903818A (pt) Valvula presso-limitadora de comando direto
IT1119724B (it) Attuatore per valvola
DK540178A (da) Fluidventil
IT1131525B (it) Apparecchio per l'azionamento di valvole
BR7907811A (pt) Valvula hidraulica
IT1111288B (it) Valvola servo-pilotata
SE7907143L (sv) Enkelventil speciellt for sanitetsbranschen
BR8207135A (pt) Valvula hidraulica
SU663583A1 (ru) Гидравлический вибратор
IT1122886B (it) Valvola
DK529079A (da) Ventilenhed
ES265674Y (es) "disposicion de valvula hidraulica".