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BR8103390A - DIGITAL POSITIONER AND PROCESS OF OPERATING A DIGITAL POSITIONER - Google Patents

DIGITAL POSITIONER AND PROCESS OF OPERATING A DIGITAL POSITIONER

Info

Publication number
BR8103390A
BR8103390A BR8103390A BR8103390A BR8103390A BR 8103390 A BR8103390 A BR 8103390A BR 8103390 A BR8103390 A BR 8103390A BR 8103390 A BR8103390 A BR 8103390A BR 8103390 A BR8103390 A BR 8103390A
Authority
BR
Brazil
Prior art keywords
digital positioner
operating
positioner
digital
Prior art date
Application number
BR8103390A
Other languages
Portuguese (pt)
Inventor
B Cox
D Wheeler
Original Assignee
Halliburton Co
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 Halliburton Co filed Critical Halliburton Co
Publication of BR8103390A publication Critical patent/BR8103390A/en

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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F15B11/12—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action
    • F15B11/121—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action providing distinct intermediate positions
    • F15B11/125—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action providing distinct intermediate positions by means of digital actuators, i.e. actuators in which the total stroke is the sum of individual strokes

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)
  • Actuator (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Servomotors (AREA)
BR8103390A 1980-06-02 1981-05-29 DIGITAL POSITIONER AND PROCESS OF OPERATING A DIGITAL POSITIONER BR8103390A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15570780A 1980-06-02 1980-06-02

Publications (1)

Publication Number Publication Date
BR8103390A true BR8103390A (en) 1982-02-16

Family

ID=22556478

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8103390A BR8103390A (en) 1980-06-02 1981-05-29 DIGITAL POSITIONER AND PROCESS OF OPERATING A DIGITAL POSITIONER

Country Status (7)

Country Link
AU (1) AU7113081A (en)
BR (1) BR8103390A (en)
DE (1) DE3121128A1 (en)
GB (1) GB2077856A (en)
IT (1) IT1137172B (en)
NL (1) NL8102627A (en)
NO (1) NO811849L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5125326A (en) * 1991-01-29 1992-06-30 Rockwell International Corporation Three position actuator having a neutral normal position for shifting a two speed transfer case
US5165322A (en) * 1992-06-22 1992-11-24 The United States Of America As Represented By The Secretary Of The Navy Three position power cylinder
CN100449158C (en) * 2006-10-27 2009-01-07 成都电子机械高等专科学校 Ratio-variable feedback type digital fluid cylinder
ES2364995B1 (en) * 2008-12-23 2012-08-06 Universidad De Zaragoza HYDRAULIC CYLINDER
DE102011005680A1 (en) * 2011-03-17 2012-10-04 Zf Friedrichshafen Ag Switching cylinder arrangement

Also Published As

Publication number Publication date
NO811849L (en) 1981-12-03
AU7113081A (en) 1981-12-10
DE3121128A1 (en) 1982-04-01
NL8102627A (en) 1982-01-04
GB2077856A (en) 1981-12-23
IT8122042A0 (en) 1981-05-29
IT1137172B (en) 1986-09-03

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