EP1067293A3 - Elektrohydraulisches Stellglied und Regelungsverfahren eines Stellglieds - Google Patents

Elektrohydraulisches Stellglied und Regelungsverfahren eines Stellglieds Download PDF

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Publication number
EP1067293A3
EP1067293A3 EP00305750A EP00305750A EP1067293A3 EP 1067293 A3 EP1067293 A3 EP 1067293A3 EP 00305750 A EP00305750 A EP 00305750A EP 00305750 A EP00305750 A EP 00305750A EP 1067293 A3 EP1067293 A3 EP 1067293A3
Authority
EP
European Patent Office
Prior art keywords
piston
actuator
spool
fluid
variable pressure
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.)
Withdrawn
Application number
EP00305750A
Other languages
English (en)
French (fr)
Other versions
EP1067293A2 (de
Inventor
Louis C. Harms
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.)
Parker Hannifin Corp
Original Assignee
Parker Hannifin Corp
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 Parker Hannifin Corp filed Critical Parker Hannifin Corp
Publication of EP1067293A2 publication Critical patent/EP1067293A2/de
Publication of EP1067293A3 publication Critical patent/EP1067293A3/de
Withdrawn legal-status Critical Current

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
    • 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
    • F15B9/12—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 both the controlling element and the servomotor control the same member influencing a fluid passage and are connected to that member by means of a differential gearing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Driven Valves (AREA)
  • Supercharger (AREA)
  • Servomotors (AREA)
EP00305750A 1999-07-09 2000-07-07 Elektrohydraulisches Stellglied und Regelungsverfahren eines Stellglieds Withdrawn EP1067293A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14324399P 1999-07-09 1999-07-09
US143243P 1999-07-09

Publications (2)

Publication Number Publication Date
EP1067293A2 EP1067293A2 (de) 2001-01-10
EP1067293A3 true EP1067293A3 (de) 2003-11-19

Family

ID=22503214

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00305750A Withdrawn EP1067293A3 (de) 1999-07-09 2000-07-07 Elektrohydraulisches Stellglied und Regelungsverfahren eines Stellglieds

Country Status (1)

Country Link
EP (1) EP1067293A3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8992667B2 (en) 2012-08-16 2015-03-31 Cummins Filtration Ip, Inc. Systems and methods for closed crankcase ventilation and air filtration
DE102015218576B4 (de) * 2015-09-28 2022-03-31 Danfoss Power Solutions Gmbh & Co. Ohg Steuereinheit
DE102015118839B4 (de) * 2015-11-03 2017-06-01 Tkr Spezialwerkzeuge Gmbh Hydraulikeinheit für ein mobiles Hydraulikwerkzeug

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017750A (en) * 1959-07-13 1962-01-23 Dowty Hydraulic Units Ltd Hydraulic apparatus
GB1252666A (de) * 1968-01-15 1971-11-10
US3646849A (en) * 1970-02-10 1972-03-07 Lucas Industries Ltd Servomechanism
DE3104478A1 (de) * 1981-02-09 1982-08-19 Wabco Steuerungstechnik GmbH & Co, 3000 Hannover Einrichtung zum positionieren des arbeitskolbens eines doppeltwirkenden arbeitszylinders
US4426912A (en) * 1980-10-23 1984-01-24 Commissariat A L'energie Atomique Apparatus for the continuous adjustment of a jack piston stroke

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017750A (en) * 1959-07-13 1962-01-23 Dowty Hydraulic Units Ltd Hydraulic apparatus
GB1252666A (de) * 1968-01-15 1971-11-10
US3646849A (en) * 1970-02-10 1972-03-07 Lucas Industries Ltd Servomechanism
US4426912A (en) * 1980-10-23 1984-01-24 Commissariat A L'energie Atomique Apparatus for the continuous adjustment of a jack piston stroke
DE3104478A1 (de) * 1981-02-09 1982-08-19 Wabco Steuerungstechnik GmbH & Co, 3000 Hannover Einrichtung zum positionieren des arbeitskolbens eines doppeltwirkenden arbeitszylinders

Also Published As

Publication number Publication date
EP1067293A2 (de) 2001-01-10

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