CA1090439A - Reed switch oscillator assembly for a position indicating system - Google Patents

Reed switch oscillator assembly for a position indicating system

Info

Publication number
CA1090439A
CA1090439A CA279,257A CA279257A CA1090439A CA 1090439 A CA1090439 A CA 1090439A CA 279257 A CA279257 A CA 279257A CA 1090439 A CA1090439 A CA 1090439A
Authority
CA
Canada
Prior art keywords
reed switch
magnetic flux
contacts
coil
flux level
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA279,257A
Other languages
English (en)
French (fr)
Inventor
Milton K. Foxworthy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Babcock and Wilcox Co
Original Assignee
Babcock and Wilcox 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 Babcock and Wilcox Co filed Critical Babcock and Wilcox Co
Application granted granted Critical
Publication of CA1090439A publication Critical patent/CA1090439A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/25—Selecting one or more conductors or channels from a plurality of conductors or channels, e.g. by closing contacts
    • G01D5/251—Selecting one or more conductors or channels from a plurality of conductors or channels, e.g. by closing contacts one conductor or channel
    • G01D5/2515—Selecting one or more conductors or channels from a plurality of conductors or channels, e.g. by closing contacts one conductor or channel with magnetically controlled switches, e.g. by movement of a magnet

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Keying Circuit Devices (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
CA279,257A 1976-07-02 1977-05-24 Reed switch oscillator assembly for a position indicating system Expired CA1090439A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US701,772 1976-07-02
US05/701,772 US4068163A (en) 1976-07-02 1976-07-02 Reed switch oscillator assembly for a position indicating system

Publications (1)

Publication Number Publication Date
CA1090439A true CA1090439A (en) 1980-11-25

Family

ID=24818608

Family Applications (1)

Application Number Title Priority Date Filing Date
CA279,257A Expired CA1090439A (en) 1976-07-02 1977-05-24 Reed switch oscillator assembly for a position indicating system

Country Status (8)

Country Link
US (1) US4068163A (enExample)
JP (1) JPS52152255A (enExample)
CA (1) CA1090439A (enExample)
DE (1) DE2726990C3 (enExample)
ES (1) ES460090A1 (enExample)
FR (1) FR2356908A1 (enExample)
GB (1) GB1582887A (enExample)
IT (1) IT1081115B (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3003877A1 (de) * 1980-02-02 1981-08-13 Gebr. Bode & Co, 3500 Kassel Einklemmsicherungseinrichtung fuer automatisch betaetigbare tueren oder fenster, insbesondere an fahrzeugen
GB2128027B (en) * 1982-10-01 1985-11-06 Electronic Components Ltd Gearbox indicator switch
JPS59179995U (ja) * 1983-05-17 1984-12-01 沼田金属工業株式会社 門扉の取付金具
DE8508933U1 (de) * 1985-03-26 1985-07-04 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Druckmittelbetätigtes Schubkolbengetriebe
WO1988002881A1 (en) * 1986-10-10 1988-04-21 Steutermann Edward M Digital control device
US4914566A (en) * 1986-10-10 1990-04-03 Steutermann Edward M Shaft position detector and control device
JP2525385Y2 (ja) * 1988-03-14 1997-02-12 新王子製紙株式会社 検品用サンプル追跡装置
US5198973A (en) * 1989-09-14 1993-03-30 Steutermann Edward M Select-a-range control device
JPH0628199U (ja) * 1992-09-21 1994-04-15 新日軽株式会社 門扉とヒンジ金具との取付装置
DE29518539U1 (de) * 1995-11-22 1996-01-18 Festo Kg, 73734 Esslingen Positionserfassungsvorrichtung
US6123249A (en) * 1998-04-29 2000-09-26 Lockheed Martin Corp. Planishing apparatus and method
GB0202740D0 (en) * 2002-02-06 2002-03-27 Gentech Internat Ltd Improvements in and relating to measuring of displacement
GB2399839B (en) * 2003-03-25 2007-07-11 Weatherford Lamb Tubing expansion
DE102010050765B9 (de) * 2010-11-10 2013-08-29 Areva Gmbh Stellungsmesssystem zur Erfassung einer ausgezeichneten Position eines linear beweglichen Führungselementes
US9620255B2 (en) 2010-12-20 2017-04-11 Westinghouse Electric Company Llc Nuclear control rod position indication system
DE102011013270A1 (de) 2011-03-07 2012-09-13 Areva Np Gmbh Vorrichtung zur Detektion eines magnetisch leitfähigen Objektes sowie Stellungsmesssystem zur Positionsmessung eines Führstabes und zugehöriges Positionsmessverfahren

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3397347A (en) * 1966-05-16 1968-08-13 Raymond W. Hoeppel Magnetic displacement transducer
FR1547548A (fr) * 1966-09-01 1968-11-29 Borg Warner Indicateur de positions de tiges, notamment dans un réacteur nucléaire
US3656074A (en) * 1968-11-14 1972-04-11 Combustion Eng Control rod position transmitter
JPS5032922B2 (enExample) * 1971-09-10 1975-10-25
US3906469A (en) * 1973-06-12 1975-09-16 Combustion Eng Magnetic-electric position sensor
JPS50153962A (enExample) * 1974-06-03 1975-12-11

Also Published As

Publication number Publication date
DE2726990A1 (de) 1978-02-16
FR2356908A1 (fr) 1978-01-27
JPS5752970B2 (enExample) 1982-11-10
DE2726990C3 (de) 1982-02-25
FR2356908B1 (enExample) 1983-10-28
ES460090A1 (es) 1978-05-01
GB1582887A (en) 1981-01-14
US4068163A (en) 1978-01-10
IT1081115B (it) 1985-05-16
JPS52152255A (en) 1977-12-17
DE2726990B2 (de) 1981-06-19

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Legal Events

Date Code Title Description
MKEX Expiry