DE602008003443D1 - Hydraulischer betätiger - Google Patents

Hydraulischer betätiger

Info

Publication number
DE602008003443D1
DE602008003443D1 DE602008003443T DE602008003443T DE602008003443D1 DE 602008003443 D1 DE602008003443 D1 DE 602008003443D1 DE 602008003443 T DE602008003443 T DE 602008003443T DE 602008003443 T DE602008003443 T DE 602008003443T DE 602008003443 D1 DE602008003443 D1 DE 602008003443D1
Authority
DE
Germany
Prior art keywords
lift means
control arm
pressure chamber
hydraulic actuator
movement
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.)
Active
Application number
DE602008003443T
Other languages
English (en)
Inventor
Juha Alajoki
Pekka Hautala
Jyrki Kajaste
Jukka Kiijaervi
Petri Kuosmanen
Markus Niemi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wartsila Finland Oy
Original Assignee
Wartsila Finland Oy
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 Wartsila Finland Oy filed Critical Wartsila Finland Oy
Publication of DE602008003443D1 publication Critical patent/DE602008003443D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/202—Externally-operated valves mounted in or on the actuator
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
    • F15B9/10—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which the controlling element and the servomotor each controls a separate member, these members influencing different fluid passages or the same passage
    • 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
    • F01L2001/34426—Oil control 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
    • F01L1/3442—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
    • F01L2001/34426—Oil control valves
    • F01L2001/3443—Solenoid driven oil control valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Actuator (AREA)
  • Valve Device For Special Equipments (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Fluid-Pressure Circuits (AREA)
DE602008003443T 2007-07-04 2008-07-02 Hydraulischer betätiger Active DE602008003443D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20075504A FI122257B (fi) 2007-07-04 2007-07-04 Hydraulinen toimilaite
PCT/FI2008/050402 WO2009004116A1 (en) 2007-07-04 2008-07-02 Hydraulic actuator

Publications (1)

Publication Number Publication Date
DE602008003443D1 true DE602008003443D1 (de) 2010-12-23

Family

ID=38331592

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602008003443T Active DE602008003443D1 (de) 2007-07-04 2008-07-02 Hydraulischer betätiger

Country Status (6)

Country Link
US (1) US8297241B2 (de)
EP (1) EP2167826B1 (de)
AT (1) ATE487882T1 (de)
DE (1) DE602008003443D1 (de)
FI (1) FI122257B (de)
WO (1) WO2009004116A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112014004769T5 (de) * 2013-10-17 2016-07-21 Eaton Corporation Zweistufiger Aktuator mit zwei Pfaden

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH524074A (de) 1970-11-09 1972-06-15 Applied Power Ind Inc Hydraulischer Kraftverstärker
FR2174731B1 (de) 1972-03-09 1976-08-06 Foley Ronald
DE8403362U1 (de) 1984-02-06 1985-05-30 Robert Bosch Gmbh, 7000 Stuttgart Folgesteuervorrichtung für eine verstellbare Pumpe
DE69027858T2 (de) * 1989-08-28 1997-02-13 Nigel Eric Rose Hydraulisches stellglied
US5529030A (en) * 1992-02-26 1996-06-25 Rose; Nigel E. Fluid actuators
US6263842B1 (en) * 1998-09-09 2001-07-24 International Truck And Engine Corporation Hydraulically-assisted engine valve actuator
US6044815A (en) 1998-09-09 2000-04-04 Navistar International Transportation Corp. Hydraulically-assisted engine valve actuator
DE19956299C1 (de) 1999-11-23 2001-08-09 Siemens Ag Hydraulischer Nadelantrieb und Verfahren zu dessen Betrieb

Also Published As

Publication number Publication date
US8297241B2 (en) 2012-10-30
FI20075504A0 (fi) 2007-07-04
ATE487882T1 (de) 2010-11-15
FI122257B (fi) 2011-10-31
FI20075504A (fi) 2009-02-05
US20100199933A1 (en) 2010-08-12
EP2167826A1 (de) 2010-03-31
WO2009004116A1 (en) 2009-01-08
EP2167826B1 (de) 2010-11-10

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