IT8020566A0 - Servoamplificatore elettrcidraulico. - Google Patents

Servoamplificatore elettrcidraulico.

Info

Publication number
IT8020566A0
IT8020566A0 IT8020566A IT2056680A IT8020566A0 IT 8020566 A0 IT8020566 A0 IT 8020566A0 IT 8020566 A IT8020566 A IT 8020566A IT 2056680 A IT2056680 A IT 2056680A IT 8020566 A0 IT8020566 A0 IT 8020566A0
Authority
IT
Italy
Prior art keywords
hydraulic servo
electric hydraulic
servo amplifier
amplifier
electric
Prior art date
Application number
IT8020566A
Other languages
English (en)
Other versions
IT1129745B (it
Inventor
Schulze Eckehart
Original Assignee
Hartmann & Laemmle
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 Hartmann & Laemmle filed Critical Hartmann & Laemmle
Publication of IT8020566A0 publication Critical patent/IT8020566A0/it
Application granted granted Critical
Publication of IT1129745B publication Critical patent/IT1129745B/it

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
IT20566/80A 1979-03-17 1980-03-13 Servoamplificatore elettroidraulico IT1129745B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2910530A DE2910530C2 (de) 1979-03-17 1979-03-17 Elektrohydraulischer Nachlaufverstärker

Publications (2)

Publication Number Publication Date
IT8020566A0 true IT8020566A0 (it) 1980-03-13
IT1129745B IT1129745B (it) 1986-06-11

Family

ID=6065663

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20566/80A IT1129745B (it) 1979-03-17 1980-03-13 Servoamplificatore elettroidraulico

Country Status (7)

Country Link
US (1) US4369693A (it)
JP (2) JPS55126105A (it)
CH (1) CH646758A5 (it)
DE (1) DE2910530C2 (it)
FR (1) FR2452018A1 (it)
GB (1) GB2046952B (it)
IT (1) IT1129745B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3204067A1 (de) * 1982-02-06 1983-08-18 Hartmann & Lämmle GmbH & Co KG, 7255 Rutesheim Hydraulischer schwenkantrieb
DE3206162A1 (de) * 1982-02-20 1983-09-01 Hartmann & Lämmle GmbH & Co KG, 7255 Rutesheim Antrieb fuer eine mittels eines hydromotors bewegbaren masse
DE3342239A1 (de) * 1983-11-23 1985-05-30 Mannesmann Rexroth GmbH, 8770 Lohr Steuervorrichtung fuer einen hydraulisch beaufschlagten arbeitszylinder
DE3412352C1 (de) * 1984-04-03 1985-09-12 Mannesmann Rexroth GmbH, 8770 Lohr Steuervorrichtung für einen hydraulisch beaufschlagten Arbeitszylinder
CN1010968B (zh) * 1985-11-12 1990-12-26 株式会社岛津制作所 伺服机构
US4901627A (en) * 1986-09-04 1990-02-20 Eckehart Schulze Hydraulic idling-regulating valve
US4920858A (en) * 1988-12-30 1990-05-01 Chang Fu Long Numerical control apparatus for a mechanical hydraulic servo valve

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1320705A (en) * 1919-11-04 Molding apparatus
BE497379A (it) * 1949-08-06
US2739491A (en) * 1952-09-13 1956-03-27 Eaton Mfg Co Mechanical movement device
US3016804A (en) * 1956-09-04 1962-01-16 Kearney & Trecker Corp Program control system
DE1128714B (de) * 1959-02-06 1962-04-26 Zeiss Carl Fa Schraubentrieb
FR1355314A (fr) * 1962-05-30 1964-03-13 Mécanisme d'entraînement sans jeu pour machine-outil
CH410542A (de) * 1962-07-14 1966-03-31 Bruno Strandgren Carl Rollschraube
US3192783A (en) * 1962-09-28 1965-07-06 Robert C Cruzan Engine
DE1273272B (de) * 1964-08-19 1968-07-18 Siemens Ag Rollspindeltrieb
DE1816506A1 (de) * 1967-12-27 1969-08-28 Toyoda Machine Works Ltd Durch einen Elektromotor gesteuerter hydraulischer Stellmotor
GB1352841A (en) * 1970-02-11 1974-05-15 Ferranti Ltd Screw and nut mechanisms
FR2085360A1 (it) * 1970-04-14 1971-12-24 Luc Jacques
US3752036A (en) * 1970-06-23 1973-08-14 Bardons & Oliver Inc Programmable fluidic logic controlled machine tool
GB1363880A (en) * 1970-12-17 1974-08-21 Hartmann Laemmle Ohg Fluid-pressure follow-up control apparatus
DE2062134C3 (de) * 1970-12-17 1974-03-28 Hartmann & Laemmle Ohg, 7000 Stuttgart-Bad Cannstatt Steuervorrichtung mit einer mit einem Kolben eines Arbeitszylinders verbundenen MeßspindeL
JPS5231489Y2 (it) * 1971-08-23 1977-07-18
JPS49100620A (it) * 1973-01-29 1974-09-24
US3899956A (en) * 1973-11-05 1975-08-19 Olsen Controls Inc Linear electrohydraulic pulse drive actuator
US3989223A (en) * 1973-12-28 1976-11-02 Exxon Production Research Company Rotary motion failsafe gate valve actuator
JPS50150689U (it) * 1974-06-03 1975-12-15
DE2501761C3 (de) * 1975-01-17 1979-04-12 Hartmann & Laemmle Gmbh & Co Kg, 7255 Rutesheim Elektrohydraulischer Nachlaufverstärker

Also Published As

Publication number Publication date
FR2452018B1 (it) 1984-10-12
FR2452018A1 (fr) 1980-10-17
JPH0346245Y2 (it) 1991-09-30
DE2910530C2 (de) 1983-09-08
CH646758A5 (de) 1984-12-14
JPS55126105A (en) 1980-09-29
US4369693A (en) 1983-01-25
IT1129745B (it) 1986-06-11
DE2910530A1 (de) 1980-09-25
GB2046952A (en) 1980-11-19
JPS62134901U (it) 1987-08-25
GB2046952B (en) 1983-03-16

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970415