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NO811849L - Digital innstillingsinnretning. - Google Patents

Digital innstillingsinnretning.

Info

Publication number
NO811849L
NO811849L NO811849A NO811849A NO811849L NO 811849 L NO811849 L NO 811849L NO 811849 A NO811849 A NO 811849A NO 811849 A NO811849 A NO 811849A NO 811849 L NO811849 L NO 811849L
Authority
NO
Norway
Prior art keywords
setting device
bore
drive
piston
housing
Prior art date
Application number
NO811849A
Other languages
English (en)
Norwegian (no)
Inventor
Bruce Michael Cox
Edward 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 NO811849L publication Critical patent/NO811849L/no

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
    • F15B11/08Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F15B11/12Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action
    • F15B11/121Servomotor 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
    • F15B11/125Servomotor 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)
NO811849A 1980-06-02 1981-06-01 Digital innstillingsinnretning. NO811849L (no)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NO811849L true NO811849L (no) 1981-12-03

Family

ID=22556478

Family Applications (1)

Application Number Title Priority Date Filing Date
NO811849A NO811849L (no) 1980-06-02 1981-06-01 Digital innstillingsinnretning.

Country Status (7)

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

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 (zh) * 2006-10-27 2009-01-07 成都电子机械高等专科学校 变比反馈式数字流体缸
ES2364995B1 (es) * 2008-12-23 2012-08-06 Universidad De Zaragoza Cilindro hidráulico.
DE102011005680A1 (de) * 2011-03-17 2012-10-04 Zf Friedrichshafen Ag Schaltzylinderanordnung

Also Published As

Publication number Publication date
BR8103390A (pt) 1982-02-16
AU7113081A (en) 1981-12-10
DE3121128A1 (de) 1982-04-01
NL8102627A (nl) 1982-01-04
GB2077856A (en) 1981-12-23
IT8122042A0 (it) 1981-05-29
IT1137172B (it) 1986-09-03

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