NO852424L - Magnetostriktivt maalelaere. - Google Patents

Magnetostriktivt maalelaere.

Info

Publication number
NO852424L
NO852424L NO852424A NO852424A NO852424L NO 852424 L NO852424 L NO 852424L NO 852424 A NO852424 A NO 852424A NO 852424 A NO852424 A NO 852424A NO 852424 L NO852424 L NO 852424L
Authority
NO
Norway
Prior art keywords
austria
painted
magnetic
magnetic austria
austria painted
Prior art date
Application number
NO852424A
Other languages
English (en)
Inventor
Thomas Jay Blankinship
Original Assignee
Gearhart Ind Inc
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 Gearhart Ind Inc filed Critical Gearhart Ind Inc
Publication of NO852424L publication Critical patent/NO852424L/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
    • G01B7/13—Internal diameters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
NO852424A 1984-06-15 1985-06-14 Magnetostriktivt maalelaere. NO852424L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/621,057 US4530161A (en) 1984-06-15 1984-06-15 Caliper tool using magnetostrictive displacement transducer

Publications (1)

Publication Number Publication Date
NO852424L true NO852424L (no) 1985-12-16

Family

ID=24488533

Family Applications (1)

Application Number Title Priority Date Filing Date
NO852424A NO852424L (no) 1984-06-15 1985-06-14 Magnetostriktivt maalelaere.

Country Status (5)

Country Link
US (1) US4530161A (no)
CA (1) CA1238179A (no)
FR (1) FR2566114B1 (no)
GB (1) GB2160326B (no)
NO (1) NO852424L (no)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4797613A (en) * 1985-01-22 1989-01-10 Combustion Engineering, Inc. Expandable eddy current probe for inspecting the interior of tubular conduits
US5017867A (en) * 1989-12-08 1991-05-21 Magnetek Controls Magnetostrictive linear position detector with reflection termination
US5050430A (en) * 1990-06-19 1991-09-24 Magnetek Controls Magnetostrictive linear position detector with temperature sensors
US5610329A (en) * 1995-03-10 1997-03-11 The Goodyear Tire & Rubber Company Low-cost runout sensor with high frequency response and negligible stiction in the direction of travel
US6647637B2 (en) 2000-11-01 2003-11-18 Baker Hughes Incorporated Use of magneto-resistive sensors for borehole logging
US6560889B1 (en) 2000-11-01 2003-05-13 Baker Hughes Incorporated Use of magneto-resistive sensors for borehole logging
SE523803C2 (sv) * 2001-09-18 2004-05-18 Hagloef Sweden Ab Klave för mätning av träds diameter
US20060157240A1 (en) * 2004-10-14 2006-07-20 Shaw Brian S Methods and apparatus for monitoring components of downhole tools
US7971487B2 (en) * 2008-05-02 2011-07-05 Carlen Controls, Inc. Linear position transducer with wireless read head
CA2798565C (en) * 2010-08-05 2016-04-05 Liqui-Force Sewer Services, Inc. Inspection device for measuring pipe size
US8881420B2 (en) 2012-02-01 2014-11-11 Randall Jeffrey COLOMBO Method and apparatus for measuring an opening
US9494401B2 (en) * 2015-01-08 2016-11-15 The Boeing Company Inspection apparatuses, systems, and methods

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US26774A (en) * 1860-01-10 Eli manross
US2102080A (en) * 1935-12-23 1937-12-14 Kinley Myron Macy Well surveying device
US2933819A (en) * 1952-06-12 1960-04-26 Myron M Kinley Internal pipe calipering tools
US3000101A (en) * 1956-04-30 1961-09-19 Giardino Loris Electromechanical measuring apparatus
US2915830A (en) * 1958-05-21 1959-12-08 Tuboscope Company Tubing caliper
US2995736A (en) * 1960-02-08 1961-08-08 Bosch Arma Corp Analog to digital transducer
US3207958A (en) * 1961-10-11 1965-09-21 Bendix Corp Magnetostrictive transducer
US3189849A (en) * 1962-04-02 1965-06-15 Tempo Instr Inc Torsional sonic wire delay line
US3225312A (en) * 1963-09-10 1965-12-21 Tempo Instr Inc Magnetostrictive resonator of the "wiedemann effect" type
US3898555A (en) * 1973-12-19 1975-08-05 Tempo Instr Inc Linear distance measuring device using a moveable magnet interacting with a sonic waveguide
US4028619A (en) * 1975-09-22 1977-06-07 Cx Corporation Position locating using digital logic controlled by pulse propagation time intervals
FR2420739A2 (fr) * 1977-03-10 1979-10-19 Elf Aquitaine Dispositif de mesure de la forme d'une surface sensiblement cylindrique
US4298861A (en) * 1978-07-10 1981-11-03 Temposonics, Incorporated Integrated ultrasonic magnetic encoder
US4319189A (en) * 1979-06-29 1982-03-09 International Business Machines Corporation Magnetoacoustic position sensor employing pulse code sequence generators and detectors
CS209709B1 (en) * 1979-11-23 1981-12-31 Jan Jandera Apparatus for internal inspection of long-distance pipelines
US4302881A (en) * 1980-03-31 1981-12-01 Gearhart Industries, Inc. Calibrated conduit caliper and method
US4404523A (en) * 1980-07-10 1983-09-13 The United States Of America As Represented By The Secretary Of The Interior Readout circuit for linear displacement transducer
GB2088059B (en) * 1980-11-11 1985-02-06 British Gas Corp Pig monitors internal surface of pipeline

Also Published As

Publication number Publication date
FR2566114B1 (fr) 1991-04-12
US4530161A (en) 1985-07-23
GB8514962D0 (en) 1985-07-17
GB2160326B (en) 1988-04-27
GB2160326A (en) 1985-12-18
CA1238179A (en) 1988-06-21
FR2566114A1 (fr) 1985-12-20

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