NO20075816L - Linear aktuator som anvender magnetostriktivt kraftelement - Google Patents

Linear aktuator som anvender magnetostriktivt kraftelement

Info

Publication number
NO20075816L
NO20075816L NO20075816A NO20075816A NO20075816L NO 20075816 L NO20075816 L NO 20075816L NO 20075816 A NO20075816 A NO 20075816A NO 20075816 A NO20075816 A NO 20075816A NO 20075816 L NO20075816 L NO 20075816L
Authority
NO
Norway
Prior art keywords
holder
magnetostrictive element
housing
linear actuator
magnetostrictive
Prior art date
Application number
NO20075816A
Other languages
English (en)
Other versions
NO340524B1 (no
Inventor
Alain P Dorel
Original Assignee
Schlumberger Technology Bv
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 Schlumberger Technology Bv filed Critical Schlumberger Technology Bv
Publication of NO20075816L publication Critical patent/NO20075816L/no
Publication of NO340524B1 publication Critical patent/NO340524B1/no

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/066—Valve arrangements for boreholes or wells in wells electrically actuated
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/14—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
    • H02N2/021—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors using intermittent driving, e.g. step motors, piezoleg motors
    • H02N2/023—Inchworm motors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N35/00—Magnetostrictive devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N35/00—Magnetostrictive devices
    • H10N35/80—Constructional details

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Transmission Devices (AREA)

Abstract

En lineær aktuator inkluderer et hovedsakelig sylindrisk magnetostriktivt element som er anordnet i et hus. En holder er i samvirkende inngrep med huset og en utside av det magnetostriktive element, slik at avlastede partier av det magnetostriktive element holdes friksjonsmessig i holderen. En aktuatorstang er funksjonelt koplet til en lengdeende av det magnetostriktive element. En forbelastende innretning er anordnet mellom huset og holderen for å opprettholde holderen i sideveis sammentrykking. Aktuatoren inkluderer magneter som er anordnet til å fremkalle peristaltiske bevegelse i det magnetostriktive element.
NO20075816A 2006-11-15 2007-11-13 Linear aktuator som anvender magnetostriktivt kraftelement NO340524B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86588406P 2006-11-15 2006-11-15
US11/733,905 US7675253B2 (en) 2006-11-15 2007-04-11 Linear actuator using magnetostrictive power element

Publications (2)

Publication Number Publication Date
NO20075816L true NO20075816L (no) 2008-05-16
NO340524B1 NO340524B1 (no) 2017-05-02

Family

ID=38813948

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20075816A NO340524B1 (no) 2006-11-15 2007-11-13 Linear aktuator som anvender magnetostriktivt kraftelement

Country Status (3)

Country Link
US (2) US7675253B2 (no)
GB (1) GB2443912B (no)
NO (1) NO340524B1 (no)

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Also Published As

Publication number Publication date
US7675253B2 (en) 2010-03-09
US20080111431A1 (en) 2008-05-15
GB0720263D0 (en) 2007-11-28
US7999422B2 (en) 2011-08-16
GB2443912A (en) 2008-05-21
US20100117463A1 (en) 2010-05-13
GB2443912B (en) 2009-04-01
NO340524B1 (no) 2017-05-02

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