GB828597A - Improvements in control devices for hydraulic actuators - Google Patents

Improvements in control devices for hydraulic actuators

Info

Publication number
GB828597A
GB828597A GB25683/58A GB2568358A GB828597A GB 828597 A GB828597 A GB 828597A GB 25683/58 A GB25683/58 A GB 25683/58A GB 2568358 A GB2568358 A GB 2568358A GB 828597 A GB828597 A GB 828597A
Authority
GB
United Kingdom
Prior art keywords
valve
chamber
restrictor
pressure
button
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
GB25683/58A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB828597A publication Critical patent/GB828597A/en
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)
GB25683/58A 1957-08-12 1958-08-11 Improvements in control devices for hydraulic actuators Expired GB828597A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB828597A true GB828597A (en) 1960-02-17

Family

ID=8704699

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25683/58A Expired GB828597A (en) 1957-08-12 1958-08-11 Improvements in control devices for hydraulic actuators

Country Status (6)

Country Link
US (1) US2938346A (cg-RX-API-DMAC7.html)
CH (1) CH348323A (cg-RX-API-DMAC7.html)
DE (1) DE1293035B (cg-RX-API-DMAC7.html)
FR (1) FR1181089A (cg-RX-API-DMAC7.html)
GB (1) GB828597A (cg-RX-API-DMAC7.html)
NL (1) NL108019C (cg-RX-API-DMAC7.html)

Families Citing this family (9)

* 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 (cg-RX-API-DMAC7.html) * 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
DE3263469D1 (en) * 1981-03-26 1985-06-20 Bbc Brown Boveri & Cie Hydraulic or pneumatic control
US6000687A (en) * 1998-11-19 1999-12-14 Hydra-Lock Corporation Actuator for hydraulic tool holder
WO2014062142A1 (en) * 2012-10-19 2014-04-24 Hema Endüstri̇ Anoni̇m Şi̇rketi̇ System preventing pressured oil leakage to cylinder line in control valve systems with flow divider

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE399085A (cg-RX-API-DMAC7.html) * 1932-10-23
US1961465A (en) * 1933-10-21 1934-06-05 Swanson & Thompson Control device for lifts
BE519002A (cg-RX-API-DMAC7.html) * 1952-04-05
FR1098565A (fr) * 1954-01-15 1955-08-08 Dispositif de commande hydraulique pour disjoncteur, ou analogue
FR1145495A (fr) * 1956-03-02 1957-10-25 Dispositif limiteur de pression

Also Published As

Publication number Publication date
US2938346A (en) 1960-05-31
NL108019C (cg-RX-API-DMAC7.html) 1964-04-15
FR1181089A (fr) 1959-06-11
CH348323A (fr) 1960-08-15
DE1293035B (de) 1969-04-17

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