CH572275A5 - - Google Patents

Info

Publication number
CH572275A5
CH572275A5 CH314274A CH314274A CH572275A5 CH 572275 A5 CH572275 A5 CH 572275A5 CH 314274 A CH314274 A CH 314274A CH 314274 A CH314274 A CH 314274A CH 572275 A5 CH572275 A5 CH 572275A5
Authority
CH
Switzerland
Application number
CH314274A
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of CH572275A5 publication Critical patent/CH572275A5/xx

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
    • 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
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
    • F15B13/0431—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves the electrical control resulting in an on-off function
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C3/00—Circuit elements having moving parts
    • F15C3/06—Circuit elements having moving parts using balls or pill-shaped disks
    • 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
CH314274A 1973-03-08 1974-03-06 CH572275A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732311354 DE2311354A1 (de) 1973-03-08 1973-03-08 Hydraulische einrichtung

Publications (1)

Publication Number Publication Date
CH572275A5 true CH572275A5 (xx) 1976-01-30

Family

ID=5874069

Family Applications (1)

Application Number Title Priority Date Filing Date
CH314274A CH572275A5 (xx) 1973-03-08 1974-03-06

Country Status (3)

Country Link
CH (1) CH572275A5 (xx)
DE (1) DE2311354A1 (xx)
IT (1) IT1006385B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE417127B (sv) * 1978-08-25 1981-02-23 Hydraul Innovation Ab Hydrauliskt styrd kulventil fungerande som lasventil
JPS591888A (ja) * 1982-04-30 1984-01-07 Aida Eng Ltd ２方向切換バルブ
DE4227562A1 (de) * 1992-08-20 1994-02-24 Abb Patent Gmbh Verfahren zum Steuern eines Hydraulikantriebes
CN201696385U (zh) 2009-11-20 2011-01-05 Abb技术股份有限公司 控阀装置

Also Published As

Publication number Publication date
IT1006385B (it) 1976-09-30
DE2311354A1 (de) 1974-09-12

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Legal Events

Date Code Title Description
PL Patent ceased