GB831888A - Improvements in and relating to electrohydraulic apparatus for controlling hydraulicactuators more especially for operating section switches - Google Patents

Improvements in and relating to electrohydraulic apparatus for controlling hydraulicactuators more especially for operating section switches

Info

Publication number
GB831888A
GB831888A GB12509/57A GB1250957A GB831888A GB 831888 A GB831888 A GB 831888A GB 12509/57 A GB12509/57 A GB 12509/57A GB 1250957 A GB1250957 A GB 1250957A GB 831888 A GB831888 A GB 831888A
Authority
GB
United Kingdom
Prior art keywords
coil
contacts
closed
circuit
switch
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
GB12509/57A
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 GB831888A publication Critical patent/GB831888A/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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
GB12509/57A 1956-04-18 1957-04-17 Improvements in and relating to electrohydraulic apparatus for controlling hydraulicactuators more especially for operating section switches Expired GB831888A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1244276X 1956-04-18

Publications (1)

Publication Number Publication Date
GB831888A true GB831888A (en) 1960-04-06

Family

ID=9677897

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12509/57A Expired GB831888A (en) 1956-04-18 1957-04-17 Improvements in and relating to electrohydraulic apparatus for controlling hydraulicactuators more especially for operating section switches

Country Status (7)

Country Link
US (1) US2877626A (enrdf_load_stackoverflow)
BE (1) BE556800A (enrdf_load_stackoverflow)
CH (1) CH342625A (enrdf_load_stackoverflow)
DE (1) DE1244276B (enrdf_load_stackoverflow)
FR (1) FR1149930A (enrdf_load_stackoverflow)
GB (1) GB831888A (enrdf_load_stackoverflow)
NL (2) NL272080A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3630025A (en) * 1970-06-01 1971-12-28 Allis Chalmers Mfg Co Control system for hydraulic devices
DE3932930A1 (de) * 1989-10-03 1991-04-11 Pistor & Boss Gmbh Gegen mikrowellen abgeschirmte elektrische leuchte

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE301145C (enrdf_load_stackoverflow) *
US2736009A (en) * 1956-02-21 Lilzlj
US1711565A (en) * 1926-04-12 1929-05-07 Hatfield Crabbe Company Automobile jack
DE522738C (de) * 1929-06-21 1931-04-14 Explosionssicherer Gefaesse Sa Brennstoffzapf- und Messeinrichtung mit motorisch betriebener Foerderpumpe
US2457467A (en) * 1945-03-08 1948-12-28 Cons Vultee Aircraft Corp Electrically and hydraulically operated extensible strut
FR1073119A (fr) * 1953-03-20 1954-09-20 Merlin Gerin Dispositif de compensation de fuites

Also Published As

Publication number Publication date
CH342625A (fr) 1959-11-30
FR1149930A (fr) 1958-01-03
NL272080A (enrdf_load_stackoverflow)
BE556800A (enrdf_load_stackoverflow)
US2877626A (en) 1959-03-17
DE1244276B (de) 1967-07-13
NL216441A (enrdf_load_stackoverflow)

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