FR2324914A1 - CONTROL DEVICE FOR ADJUSTING UNIT ELECTRO-HYDRAULICALLY ACTUATED BY A PISTON SYSTEM AGAINST THE FORCE OF A RETURN SPRING - Google Patents

CONTROL DEVICE FOR ADJUSTING UNIT ELECTRO-HYDRAULICALLY ACTUATED BY A PISTON SYSTEM AGAINST THE FORCE OF A RETURN SPRING

Info

Publication number
FR2324914A1
FR2324914A1 FR7627676A FR7627676A FR2324914A1 FR 2324914 A1 FR2324914 A1 FR 2324914A1 FR 7627676 A FR7627676 A FR 7627676A FR 7627676 A FR7627676 A FR 7627676A FR 2324914 A1 FR2324914 A1 FR 2324914A1
Authority
FR
France
Prior art keywords
force
control device
return spring
adjusting unit
hydraulically actuated
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.)
Pending
Application number
FR7627676A
Other languages
French (fr)
Inventor
Jacques Van Heijningen
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr 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 Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of FR2324914A1 publication Critical patent/FR2324914A1/en
Pending 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/18—Combined units comprising both motor and pump
FR7627676A 1975-09-19 1976-09-15 CONTROL DEVICE FOR ADJUSTING UNIT ELECTRO-HYDRAULICALLY ACTUATED BY A PISTON SYSTEM AGAINST THE FORCE OF A RETURN SPRING Pending FR2324914A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1220675A CH591651A5 (en) 1975-09-19 1975-09-19

Publications (1)

Publication Number Publication Date
FR2324914A1 true FR2324914A1 (en) 1977-04-15

Family

ID=4380880

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7627676A Pending FR2324914A1 (en) 1975-09-19 1976-09-15 CONTROL DEVICE FOR ADJUSTING UNIT ELECTRO-HYDRAULICALLY ACTUATED BY A PISTON SYSTEM AGAINST THE FORCE OF A RETURN SPRING

Country Status (4)

Country Link
CH (1) CH591651A5 (en)
DE (1) DE2547074A1 (en)
FR (1) FR2324914A1 (en)
GB (1) GB1509368A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3034294A1 (en) * 1979-10-02 1981-04-09 Elektrowatt AG, 8008 Zürich ACTUATOR
FR2580040A1 (en) * 1985-04-04 1986-10-10 Elektrowatt Ag

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007023412A1 (en) * 2007-05-18 2008-11-20 Rehau Ag + Co. Hydraulic drive unit for shifting two vehicle body elements together, has reservoir for hydraulic fluid extracted by hydraulic pump, where reservoir is accommodated within housing
DE102008035523A1 (en) * 2008-07-30 2010-02-04 Wittenstein Ag Modular spindle unit for forming multi-spindle machining head at transverse drive of machine tool i.e. drill, has drive motor supported and axially shifted in module housing by driving of axial actuating device together with drive spindle
DE102013212493B3 (en) * 2013-06-27 2014-09-25 Schaeffler Technologies Gmbh & Co. Kg Switchable locking device, which includes an actuator and a rotary valve
PL3081821T3 (en) * 2015-04-14 2018-05-30 Siemens Aktiengesellschaft Valve drives and valve assemblies

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH288540A (en) * 1948-12-23 1953-01-31 Elmeg Device with an electromagnetically driven pump.
FR1327841A (en) * 1962-04-10 1963-05-24 Low inertia hydraulic pump for regulator, servo and the like
GB1222953A (en) * 1967-04-05 1971-02-17 Nu Way Heating Plants Ltd Fluid fuel burner control systems
FR2121822A1 (en) * 1971-01-14 1972-08-25 Bbc Brown Boveri & Cie
FR2205116A7 (en) * 1972-09-22 1974-05-24 Landis & Gyr Ag

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH288540A (en) * 1948-12-23 1953-01-31 Elmeg Device with an electromagnetically driven pump.
FR1327841A (en) * 1962-04-10 1963-05-24 Low inertia hydraulic pump for regulator, servo and the like
GB1222953A (en) * 1967-04-05 1971-02-17 Nu Way Heating Plants Ltd Fluid fuel burner control systems
FR2121822A1 (en) * 1971-01-14 1972-08-25 Bbc Brown Boveri & Cie
FR2205116A7 (en) * 1972-09-22 1974-05-24 Landis & Gyr Ag

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3034294A1 (en) * 1979-10-02 1981-04-09 Elektrowatt AG, 8008 Zürich ACTUATOR
FR2466653A1 (en) * 1979-10-02 1981-04-10 Elektrowatt Ag POSITIONING CYLINDER, IN PARTICULAR ALTERNATE ELECTRO-MAGNET
FR2580040A1 (en) * 1985-04-04 1986-10-10 Elektrowatt Ag
US4648245A (en) * 1985-04-04 1987-03-10 Elektrowatt Ag Electro-hydraulic actuator or positioning drive for continuous control or regulation operations

Also Published As

Publication number Publication date
CH591651A5 (en) 1977-09-30
GB1509368A (en) 1978-05-04
DE2547074A1 (en) 1977-03-31

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