BR7807923A - Processo para comandar a manobra simultanea de pelo menos dois motores a fluido e instalacao para realizar o mesmo - Google Patents

Processo para comandar a manobra simultanea de pelo menos dois motores a fluido e instalacao para realizar o mesmo

Info

Publication number
BR7807923A
BR7807923A BR7807923A BR7807923A BR7807923A BR 7807923 A BR7807923 A BR 7807923A BR 7807923 A BR7807923 A BR 7807923A BR 7807923 A BR7807923 A BR 7807923A BR 7807923 A BR7807923 A BR 7807923A
Authority
BR
Brazil
Prior art keywords
command
installation
perform
same
fluid engines
Prior art date
Application number
BR7807923A
Other languages
English (en)
Inventor
C Gratzmuller
Original Assignee
Gratzmueller C A
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 Gratzmueller C A filed Critical Gratzmueller C A
Publication of BR7807923A publication Critical patent/BR7807923A/pt

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/22Synchronisation of the movement of two or more servomotors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/04Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/14Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/28Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/30Power arrangements internal to the switch for operating the driving mechanism using fluid actuator

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
BR7807923A 1977-12-02 1978-12-01 Processo para comandar a manobra simultanea de pelo menos dois motores a fluido e instalacao para realizar o mesmo BR7807923A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7736277A FR2410753A1 (fr) 1977-12-02 1977-12-02 Commande hydraulique simultanee, notamment pour la commande des disjoncteurs electriques

Publications (1)

Publication Number Publication Date
BR7807923A true BR7807923A (pt) 1979-07-31

Family

ID=9198353

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7807923A BR7807923A (pt) 1977-12-02 1978-12-01 Processo para comandar a manobra simultanea de pelo menos dois motores a fluido e instalacao para realizar o mesmo

Country Status (9)

Country Link
US (1) US4243855A (pt)
AU (1) AU519177B2 (pt)
BR (1) BR7807923A (pt)
CA (1) CA1116495A (pt)
CH (1) CH627238A5 (pt)
DE (1) DE2849815C2 (pt)
FR (1) FR2410753A1 (pt)
IN (1) IN150936B (pt)
SU (1) SU1192637A3 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3008929A1 (de) * 1980-03-08 1981-09-24 Schloemann-Siemag AG, 4000 Düsseldorf Sicherheitssteuereinrichtung fuer hydraulisch gehaltene lasten gegen unkontrolliertes absenken und heben, beispielsweise an vertikalen pressen oder lasten haltenden einrichtungen
KR860000371Y1 (ko) * 1981-12-02 1986-03-17 도오교오 덴기 가가꾸 고오교오 가부시기 가이샤 열 전 소 자
US4567813A (en) * 1982-05-06 1986-02-04 Moog Inc. Pressure equalization of multiple valves
DE3923474C2 (de) * 1989-07-15 2000-05-04 Leybold Ag Elektrischer Umschalter
JP2679499B2 (ja) * 1991-12-27 1997-11-19 三菱電機株式会社 遮断器及び開閉部の操作機構
US6399445B1 (en) * 1997-12-18 2002-06-04 Texas Instruments Incorporated Fabrication technique for controlled incorporation of nitrogen in gate dielectric
CA2496365C (en) * 2005-02-04 2010-06-22 Always "On" Ups Systems Inc. Panel and breaker for distributing ups power

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2365095A (en) * 1941-08-19 1944-12-12 Vickers Inc Power transmission
US3030930A (en) * 1956-03-27 1962-04-24 Gratzmuller Jean Louis Hydraulic device for interlocking two hydraulic piston-cylinder units
DE1256072B (de) * 1958-11-27 1967-12-07 Erich Herion Sicherheitssteuerung fuer einen Druckmittelkreislauf
DE1401300B2 (de) * 1959-12-21 1974-06-20 Herion-Werke Kg, 7012 Fellbach Servosteuerung von mehreren Druck Verbrauchern
FR1355701A (fr) * 1963-02-06 1964-03-20 Dispositif de commande à purges multiples pour circuit hydrauliques
US3480328A (en) * 1967-11-07 1969-11-25 Westinghouse Air Brake Co Oscillating actuating means for mining heads of ripper miner
US3659498A (en) * 1970-08-13 1972-05-02 Pacific Press & Shear Corp Ram attitude control system and valve assembly therefor
DE2543107C3 (de) * 1975-09-25 1978-07-20 Siemens Ag, 1000 Berlin Und 8000 Muenchen Einrichtung zur Antriebssteuerung für hydraulisch betätigte Hochspannungs-Leistungsschalter

Also Published As

Publication number Publication date
US4243855A (en) 1981-01-06
SU1192637A3 (ru) 1985-11-15
AU519177B2 (en) 1981-11-12
DE2849815C2 (de) 1983-04-07
CA1116495A (en) 1982-01-19
FR2410753A1 (fr) 1979-06-29
AU4155478A (en) 1979-06-07
FR2410753B1 (pt) 1980-12-12
IN150936B (pt) 1983-01-22
CH627238A5 (pt) 1981-12-31
DE2849815A1 (de) 1979-06-07

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