CA1330833C - Emetteur a actionneur magnetique de reglage du zero et de la gamme - Google Patents

Emetteur a actionneur magnetique de reglage du zero et de la gamme

Info

Publication number
CA1330833C
CA1330833C CA 580909 CA580909A CA1330833C CA 1330833 C CA1330833 C CA 1330833C CA 580909 CA580909 CA 580909 CA 580909 A CA580909 A CA 580909A CA 1330833 C CA1330833 C CA 1330833C
Authority
CA
Canada
Prior art keywords
transmitter
zero
span
housing
switch
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 - Fee Related
Application number
CA 580909
Other languages
English (en)
Inventor
Kelly M. Orth
Roger L. Frick
David W. Lee
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.)
Rosemount Inc
Original Assignee
Rosemount 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 Rosemount Inc filed Critical Rosemount Inc
Application granted granted Critical
Publication of CA1330833C publication Critical patent/CA1330833C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/0006Permanent magnet actuating reed switches
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02Bases, casings, or covers
    • H01H9/04Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H01H9/042Explosion-proof cases

Landscapes

  • Arrangements For Transmission Of Measured Signals (AREA)
  • Control By Computers (AREA)
CA 580909 1987-10-22 1988-10-21 Emetteur a actionneur magnetique de reglage du zero et de la gamme Expired - Fee Related CA1330833C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11241087A 1987-10-22 1987-10-22
US112,410 1987-10-22

Publications (1)

Publication Number Publication Date
CA1330833C true CA1330833C (fr) 1994-07-19

Family

ID=22343752

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 580909 Expired - Fee Related CA1330833C (fr) 1987-10-22 1988-10-21 Emetteur a actionneur magnetique de reglage du zero et de la gamme

Country Status (5)

Country Link
EP (1) EP0383823B1 (fr)
JP (1) JP2668571B2 (fr)
CA (1) CA1330833C (fr)
DE (1) DE3853076T2 (fr)
WO (1) WO1989004014A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5369386A (en) * 1992-11-13 1994-11-29 Elsag International B.V. Removable magnetic zero/span actuator for a transmitter
DE102004036324A1 (de) * 2004-07-27 2006-02-16 Endress + Hauser Gmbh + Co. Kg Schalter
DE102010043026A1 (de) 2010-10-27 2012-05-03 Endress + Hauser Gmbh + Co. Kg Elektronisches Gerät und Verfahren zur Inbetriebnahme eines elektronischen Gerätes
WO2015064610A1 (fr) 2013-10-29 2015-05-07 アズビル株式会社 Structure de commutation, et dispositif antidéflagrant
JP6086874B2 (ja) * 2014-01-27 2017-03-01 アズビル株式会社 スイッチ構造および防爆機器
DE102015102947A1 (de) 2015-03-02 2016-09-08 Endress + Hauser Gmbh + Co. Kg Feldgerät der Automatisierungstechnik
US11239015B2 (en) 2015-09-28 2022-02-01 Eaton Intelligent Power Limited Magnetic controls for industrial enclosures
US10312908B2 (en) 2015-09-28 2019-06-04 Eaton Intelligent Power Limited Nested magnetic controls for industrial enclosures
RU168163U1 (ru) * 2016-07-13 2017-01-23 Общество с ограниченной ответственностью "ЕХ-ПРИБОР" Извещатель охранный взрывозащищенный

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1222567B (de) * 1962-09-20 1966-08-11 Honsel Werke Ag Elektrische Steuereinrichtung fuer einen in einem Stahlzylinder hin- und herbewegbaren Kolben
US3327079A (en) * 1964-03-12 1967-06-20 Bosch Gmbh Robert Magnetically operated electric switch
FR1574161A (fr) * 1968-05-16 1969-07-11
GB1231225A (fr) * 1968-06-10 1971-05-12
JPS5839518B2 (ja) * 1975-02-14 1983-08-30 協和醗酵工業株式会社 ハツコウホウニヨルl−アルギニンノセイゾウホ
DE2640529C3 (de) * 1976-09-09 1979-03-15 Purolator Filter Gmbh, 7110 Oehringen Differenzdruckanzeigevorrichtung
US4101857A (en) * 1976-09-30 1978-07-18 Toole Lawrence P O Externally-programable switch
JPS57164626A (en) * 1981-04-01 1982-10-09 Kiyoshi Hatake Transmitting device having completely waterproof mechanism in emergency reporting device of radio control
JPS58154063A (ja) * 1982-03-08 1983-09-13 Ootosutanpu Kenkyusho:Kk 受付整理装置
JPS62181066A (ja) * 1986-02-04 1987-08-08 松下電器産業株式会社 ガス遮断モ−ド確認装置

Also Published As

Publication number Publication date
WO1989004014A1 (fr) 1989-05-05
JP2668571B2 (ja) 1997-10-27
EP0383823A4 (en) 1990-12-12
EP0383823B1 (fr) 1995-02-15
DE3853076T2 (de) 1995-09-28
EP0383823A1 (fr) 1990-08-29
DE3853076D1 (de) 1995-03-23
JPH03500939A (ja) 1991-02-28

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Legal Events

Date Code Title Description
MKLA Lapsed