FR1181089A - Perfectionnements aux circuits hydrauliques de commande - Google Patents

Perfectionnements aux circuits hydrauliques de commande

Info

Publication number
FR1181089A
FR1181089A FR1181089DA FR1181089A FR 1181089 A FR1181089 A FR 1181089A FR 1181089D A FR1181089D A FR 1181089DA FR 1181089 A FR1181089 A FR 1181089A
Authority
FR
France
Prior art keywords
hydraulic control
control circuits
circuits
hydraulic
control
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.)
Expired
Application number
Other languages
English (en)
Inventor
Jean-Louis Gratzmuller
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 filed Critical
Application granted granted Critical
Publication of FR1181089A publication Critical patent/FR1181089A/fr
Expired 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
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0405—Valve members; Fluid interconnections therefor for seat valves, i.e. poppet valves
    • 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
    • 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
    • H01H2033/308—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator comprising control and pilot valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Servomotors (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
FR1181089D 1957-08-12 1957-08-12 Perfectionnements aux circuits hydrauliques de commande Expired FR1181089A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR745358 1957-08-12

Publications (1)

Publication Number Publication Date
FR1181089A true FR1181089A (fr) 1959-06-11

Family

ID=8704699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1181089D Expired FR1181089A (fr) 1957-08-12 1957-08-12 Perfectionnements aux circuits hydrauliques de commande

Country Status (6)

Country Link
US (1) US2938346A (fr)
CH (1) CH348323A (fr)
DE (1) DE1293035B (fr)
FR (1) FR1181089A (fr)
GB (1) GB828597A (fr)
NL (1) NL108019C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0061786A1 (fr) * 1981-03-26 1982-10-06 BBC Brown Boveri AG Commande hydraulique ou pneumatique

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3225662A (en) * 1960-08-26 1965-12-28 Miehle Goss Dexter Inc Submerged servomotor with prefill valve for guillotine type paper cutting machine
US3486417A (en) * 1968-03-04 1969-12-30 Int Harvester Co Seat suspension assembly
JPS5626927B2 (fr) * 1973-07-04 1981-06-22
ZA756335B (en) * 1975-10-07 1977-01-26 Patent Prod Hydraulics Ltd Improvements in or relating to the decompression of pressure chambers particularly the decompression of actuating pressure chambers of mine cage holding means
US4184334A (en) * 1978-09-11 1980-01-22 International Harvester Company Closed center draft control valve
DE3019626C2 (de) * 1980-05-22 1984-06-20 Kraftwerk Union AG, 4330 Mülheim Elektrohydraulischer Stellantrieb für Ventile
US6000687A (en) * 1998-11-19 1999-12-14 Hydra-Lock Corporation Actuator for hydraulic tool holder
MX357664B (es) * 2012-10-19 2018-07-18 Hema Enduestri Anonim Sirketi Sistema de prevencion de fuga de aceite a presion a la linea del cilindro en sistemas de valvulas de control con divisor de flujo.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE399085A (fr) * 1932-10-23
US1961465A (en) * 1933-10-21 1934-06-05 Swanson & Thompson Control device for lifts
BE519002A (fr) * 1952-04-05
FR1145495A (fr) * 1956-03-02 1957-10-25 Dispositif limiteur de pression

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0061786A1 (fr) * 1981-03-26 1982-10-06 BBC Brown Boveri AG Commande hydraulique ou pneumatique

Also Published As

Publication number Publication date
US2938346A (en) 1960-05-31
CH348323A (fr) 1960-08-15
NL108019C (fr) 1964-04-15
GB828597A (en) 1960-02-17
DE1293035B (de) 1969-04-17

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