BR9002897A - Circulo de fornecimento de energia e circuito para energisar uma valvula selenoide - Google Patents

Circulo de fornecimento de energia e circuito para energisar uma valvula selenoide

Info

Publication number
BR9002897A
BR9002897A BR909002897A BR9002897A BR9002897A BR 9002897 A BR9002897 A BR 9002897A BR 909002897 A BR909002897 A BR 909002897A BR 9002897 A BR9002897 A BR 9002897A BR 9002897 A BR9002897 A BR 9002897A
Authority
BR
Brazil
Prior art keywords
energizing
circuit
energy supply
supply circle
selenoid valve
Prior art date
Application number
BR909002897A
Other languages
English (en)
Inventor
Raymond J Foley
Original Assignee
Illinois Tool Works
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 Illinois Tool Works filed Critical Illinois Tool Works
Publication of BR9002897A publication Critical patent/BR9002897A/pt

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
    • G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
    • G05F1/569—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Emergency Protection Circuit Devices (AREA)
BR909002897A 1989-06-20 1990-06-20 Circulo de fornecimento de energia e circuito para energisar uma valvula selenoide BR9002897A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/369,024 US4979067A (en) 1989-06-20 1989-06-20 Voltage and current limiting power supply

Publications (1)

Publication Number Publication Date
BR9002897A true BR9002897A (pt) 1991-08-20

Family

ID=23453745

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909002897A BR9002897A (pt) 1989-06-20 1990-06-20 Circulo de fornecimento de energia e circuito para energisar uma valvula selenoide

Country Status (6)

Country Link
US (1) US4979067A (pt)
EP (1) EP0404400A3 (pt)
JP (1) JPH0330005A (pt)
AU (1) AU640656B2 (pt)
BR (1) BR9002897A (pt)
CA (1) CA1313690C (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4806040A (en) * 1987-02-12 1989-02-21 Cummins Engine Company, Inc. Ceramic ball and socket joint
US4966108A (en) * 1989-04-28 1990-10-30 Cummins Engine Company, Inc. Sintered ceramic ball and socket joint assembly
JP2993210B2 (ja) * 1991-09-10 1999-12-20 松下電器産業株式会社 電源回路の保護装置
DE4433045A1 (de) * 1994-09-16 1996-03-21 Bosch Gmbh Robert Elektronische Einrichtung
EP0782235B1 (en) * 1995-12-29 2001-11-14 STMicroelectronics S.r.l. Protection method for power transistors, and corresponding circuit
FR2769142B1 (fr) * 1997-09-29 1999-12-17 Sgs Thomson Microelectronics Circuit de protection associable a un filtre
EP1166420B1 (de) * 1999-03-31 2003-05-07 Pepperl + Fuchs Gmbh Sicherheitsbarriere zum begrenzen von strom und spannung
US6397322B1 (en) * 2000-03-31 2002-05-28 Schneider Automation, Inc. Integrated intrinsically safe input-output module
US20070125798A1 (en) * 2005-12-02 2007-06-07 Mcguire Kent Spray booth and method for coating the human body with sunscreen or the like
JP4792557B2 (ja) * 2006-03-28 2011-10-12 独立行政法人日本原子力研究開発機構 コンテナ
GB0610202D0 (en) * 2006-05-23 2006-07-05 Pepperl & Fuchs Gb Ltd Electrical barrier
JP4864622B2 (ja) * 2006-09-27 2012-02-01 株式会社ケーヒン 誘導性負荷の駆動装置
TWM313372U (en) * 2006-11-01 2007-06-01 Polytronics Technology Corp Over-current and over-voltage protection assembly apparatus
JP4786735B2 (ja) * 2009-08-10 2011-10-05 中国電力株式会社 気密判定装置及び気密判定方法
JP5545511B2 (ja) 2012-05-23 2014-07-09 横河電機株式会社 バルブ遠隔操作装置
DE102013215077A1 (de) * 2013-08-01 2015-02-05 Siemens Aktiengesellschaft Feldgerät zur Prozessinstrumentierung
JP6007922B2 (ja) * 2014-01-07 2016-10-19 横河電機株式会社 接点信号変換装置
JP6476835B2 (ja) * 2014-06-13 2019-03-06 横河電機株式会社 信号変換装置
US10670054B2 (en) * 2017-10-25 2020-06-02 Dresser, Llc Constructing valve positioners for hazardous areas
US10749426B1 (en) 2019-04-11 2020-08-18 Graco Minnesota Inc. Trapezoidal power-supply barrier between hazardous and normal locations

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678370A (en) * 1970-10-30 1972-07-18 Forbro Design Corp Voltage limiting circuit for constant current power supplies
JPS5239717Y2 (pt) * 1972-04-14 1977-09-08
IT1055625B (it) * 1975-10-09 1982-01-11 Indesit Circuito di alimentazione stabiliz zato
US4099216A (en) * 1976-11-12 1978-07-04 Westinghouse Electric Corp. Fuseless intrinsic safety barrier
US4412265A (en) * 1981-11-27 1983-10-25 Tokheim Corporation Intrinsic barrier
US4485427A (en) * 1982-04-19 1984-11-27 Ransburg Corporation Fold-back power supply
GB8722679D0 (en) * 1987-09-26 1987-11-04 Measurement Tech Ltd Electrical safety barriers

Also Published As

Publication number Publication date
AU640656B2 (en) 1993-09-02
EP0404400A3 (en) 1991-08-07
CA1313690C (en) 1993-02-16
AU5625890A (en) 1991-01-03
EP0404400A2 (en) 1990-12-27
US4979067A (en) 1990-12-18
JPH0330005A (ja) 1991-02-08

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