DE3721693A1 - Elektrohydraulisches stellglied - Google Patents

Elektrohydraulisches stellglied

Info

Publication number
DE3721693A1
DE3721693A1 DE19873721693 DE3721693A DE3721693A1 DE 3721693 A1 DE3721693 A1 DE 3721693A1 DE 19873721693 DE19873721693 DE 19873721693 DE 3721693 A DE3721693 A DE 3721693A DE 3721693 A1 DE3721693 A1 DE 3721693A1
Authority
DE
Germany
Prior art keywords
control part
neutral position
moved
hydraulic
valve device
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.)
Granted
Application number
DE19873721693
Other languages
German (de)
English (en)
Other versions
DE3721693C2 (enrdf_load_stackoverflow
Inventor
Walter Willenbrock
Rolf Lanz
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.)
EUMUCO AG FUER VERMOEGENSVERWALTUNG, 51377 LEVERKU
Original Assignee
Eumuco AG fuer Maschinenbau
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 Eumuco AG fuer Maschinenbau filed Critical Eumuco AG fuer Maschinenbau
Priority to DE19873721693 priority Critical patent/DE3721693A1/de
Publication of DE3721693A1 publication Critical patent/DE3721693A1/de
Application granted granted Critical
Publication of DE3721693C2 publication Critical patent/DE3721693C2/de
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
DE19873721693 1987-07-01 1987-07-01 Elektrohydraulisches stellglied Granted DE3721693A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873721693 DE3721693A1 (de) 1987-07-01 1987-07-01 Elektrohydraulisches stellglied

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873721693 DE3721693A1 (de) 1987-07-01 1987-07-01 Elektrohydraulisches stellglied

Publications (2)

Publication Number Publication Date
DE3721693A1 true DE3721693A1 (de) 1989-01-19
DE3721693C2 DE3721693C2 (enrdf_load_stackoverflow) 1991-09-05

Family

ID=6330651

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873721693 Granted DE3721693A1 (de) 1987-07-01 1987-07-01 Elektrohydraulisches stellglied

Country Status (1)

Country Link
DE (1) DE3721693A1 (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0423037A1 (fr) * 1989-10-12 1991-04-17 Christian Laudinet Dispositif de commande asservie
FR2806760A1 (fr) * 2000-03-24 2001-09-28 Imeca Dispositif de commande en deplacement d'une tige de verin actionneur
EP1092868A3 (en) * 1999-10-13 2004-02-04 Teijin Seiki Co., Ltd. Electro-hydraulic servomotor
DE102007044430A1 (de) * 2007-09-18 2009-03-19 Zf Friedrichshafen Ag Elektrohydraulische Stellvorrichtung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2645768A1 (de) * 1976-10-09 1978-04-13 Danfoss As Elektrohydraulische steuervorrichtung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2645768A1 (de) * 1976-10-09 1978-04-13 Danfoss As Elektrohydraulische steuervorrichtung

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DE-Z.: o+p ölhydraulik und pneumatik 28, 1984, 8, S.502-509 *
Ebertshäuser H.:o+p ölhydraulik und pneumatik, 27 (1983) Nr. 8, S.552 ff *
Hartmann+Lämmle Servotechnik, Prospekt 500, Ausgabe 8. 81, S. 5-08, 5.3-02 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0423037A1 (fr) * 1989-10-12 1991-04-17 Christian Laudinet Dispositif de commande asservie
FR2653243A1 (enrdf_load_stackoverflow) * 1989-10-12 1991-04-19 Laudinet Chrisitan
EP1092868A3 (en) * 1999-10-13 2004-02-04 Teijin Seiki Co., Ltd. Electro-hydraulic servomotor
FR2806760A1 (fr) * 2000-03-24 2001-09-28 Imeca Dispositif de commande en deplacement d'une tige de verin actionneur
DE102007044430A1 (de) * 2007-09-18 2009-03-19 Zf Friedrichshafen Ag Elektrohydraulische Stellvorrichtung

Also Published As

Publication number Publication date
DE3721693C2 (enrdf_load_stackoverflow) 1991-09-05

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: EUMUCO AG FUER VERMOEGENSVERWALTUNG, 51377 LEVERKU

8339 Ceased/non-payment of the annual fee