FR2280184A1 - Dispositif de commande hydraulique pour interrupteur electrique - Google Patents

Dispositif de commande hydraulique pour interrupteur electrique

Info

Publication number
FR2280184A1
FR2280184A1 FR7523381A FR7523381A FR2280184A1 FR 2280184 A1 FR2280184 A1 FR 2280184A1 FR 7523381 A FR7523381 A FR 7523381A FR 7523381 A FR7523381 A FR 7523381A FR 2280184 A1 FR2280184 A1 FR 2280184A1
Authority
FR
France
Prior art keywords
air
oil
connecting lines
valves
return 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.)
Granted
Application number
FR7523381A
Other languages
English (en)
French (fr)
Other versions
FR2280184B3 (enExample
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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
Priority claimed from DE19742435757 external-priority patent/DE2435757C3/de
Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of FR2280184A1 publication Critical patent/FR2280184A1/fr
Application granted granted Critical
Publication of FR2280184B3 publication Critical patent/FR2280184B3/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
    • H01H33/34—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator hydraulic

Landscapes

  • Fluid-Pressure Circuits (AREA)
FR7523381A 1974-07-25 1975-07-25 Dispositif de commande hydraulique pour interrupteur electrique Granted FR2280184A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742435757 DE2435757C3 (de) 1974-07-25 Hydraulischer Schalterantrieb

Publications (2)

Publication Number Publication Date
FR2280184A1 true FR2280184A1 (fr) 1976-02-20
FR2280184B3 FR2280184B3 (enExample) 1979-04-27

Family

ID=5921465

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7523381A Granted FR2280184A1 (fr) 1974-07-25 1975-07-25 Dispositif de commande hydraulique pour interrupteur electrique

Country Status (7)

Country Link
AT (1) AT343748B (enExample)
CH (1) CH597685A5 (enExample)
FR (1) FR2280184A1 (enExample)
IT (1) IT1040020B (enExample)
NL (1) NL7508825A (enExample)
NO (1) NO138546C (enExample)
SE (1) SE395791B (enExample)

Also Published As

Publication number Publication date
DE2435757A1 (de) 1976-02-05
FR2280184B3 (enExample) 1979-04-27
IT1040020B (it) 1979-12-20
AT343748B (de) 1978-06-12
DE2435757B2 (de) 1976-07-29
NO138546B (no) 1978-06-12
NO752304L (enExample) 1976-01-27
ATA537675A (de) 1977-10-15
NL7508825A (nl) 1976-01-27
NO138546C (no) 1978-09-20
SE395791B (sv) 1977-08-22
SE7508234L (sv) 1976-01-26
CH597685A5 (enExample) 1978-04-14

Similar Documents

Publication Publication Date Title
ES462925A1 (es) Instalacion hidraulica para la alimentacion de un liquido a un dispositivo hidraulico bajo diferentes y alternas pre- siones.
FR2372115A1 (fr) Dispositif hydraulique de levage
GB1380371A (en) Machine having a telescopic boom
ES448330A1 (es) Dispositivo de accionamiento hidromecanico para gabarras re-batibles.
FR2280184A1 (fr) Dispositif de commande hydraulique pour interrupteur electrique
JPS5221579A (en) Compressed oil sealing preventing device between the cylinder side wal ls in a double-aoting multistage system oil pressure cylinder
SE7712362L (sv) Hydrauliskt ventilaggregat
FR2292858A1 (fr) Installation de graissage a circulation d'huile sous pression pour moteurs a combustion interne
JPS5765403A (en) Lifter for cab
FR2486191B1 (fr) Soupape limiteuse de pression, notamment pour etancons hydrauliques de mine
FR2323093A1 (fr) Alimentation en huile lubrifiante pour une machine
JPS56124704A (en) Regenerating circuit in fluidic pressure circuit
JPS5774441A (en) Construction machinery such as power shovel
JPS54156985A (en) Safety device of hydraulic circuit having a plurality of actuators
SU815173A1 (ru) Гидропривод гидрофицированнойМАшиНы
JPS5646034A (en) Oil-hydraulic shovel
JPS5587867A (en) Concrete pump
ES8402387A1 (es) Disposicion de control hidraulica para explotaciones mineras subterraneas.
JPS5754626A (en) Hydraulic control circuit for pile-driving hammer
GB559410A (en) Improvements in sequence valves
JPS56108335A (en) Operating method and apparatus for outrigger in movable crane
SU639732A2 (ru) Система управлени гидравлическим прессом
SU375208A1 (ru) Привод гидравлического пресса
RU95114855A (ru) Установка для принудительного спуска труб в скважину под давлением
JPS53131370A (en) Oil pressure circuit