ITTO20020614A1 - Trasduttore ottico per rivelamento e indicazione a distanza delle posizioni di un organo mobile particolarmente di un organo valvolare, lung - Google Patents

Trasduttore ottico per rivelamento e indicazione a distanza delle posizioni di un organo mobile particolarmente di un organo valvolare, lung

Info

Publication number
ITTO20020614A1
ITTO20020614A1 IT2002TO000614A ITTO20020614A ITTO20020614A1 IT TO20020614 A1 ITTO20020614 A1 IT TO20020614A1 IT 2002TO000614 A IT2002TO000614 A IT 2002TO000614A IT TO20020614 A ITTO20020614 A IT TO20020614A IT TO20020614 A1 ITTO20020614 A1 IT TO20020614A1
Authority
IT
Italy
Prior art keywords
indication
positions
detection
distance
long
Prior art date
Application number
IT2002TO000614A
Other languages
English (en)
Inventor
Lorenzo Bracco
Mario Desilani
Original Assignee
Apss Srl
Rizzio Valvole Spa
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 Apss Srl, Rizzio Valvole Spa filed Critical Apss Srl
Priority to IT2002TO000614A priority Critical patent/ITTO20020614A1/it
Publication of ITTO20020614A0 publication Critical patent/ITTO20020614A0/it
Priority to AU2003250867A priority patent/AU2003250867A1/en
Priority to PCT/EP2003/006966 priority patent/WO2004008074A2/en
Publication of ITTO20020614A1 publication Critical patent/ITTO20020614A1/it

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
    • G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/34776—Absolute encoders with analogue or digital scales
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0058—Optical means, e.g. light transmission, observation ports

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Optical Transform (AREA)
IT2002TO000614A 2002-07-15 2002-07-15 Trasduttore ottico per rivelamento e indicazione a distanza delle posizioni di un organo mobile particolarmente di un organo valvolare, lung ITTO20020614A1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT2002TO000614A ITTO20020614A1 (it) 2002-07-15 2002-07-15 Trasduttore ottico per rivelamento e indicazione a distanza delle posizioni di un organo mobile particolarmente di un organo valvolare, lung
AU2003250867A AU2003250867A1 (en) 2002-07-15 2003-07-01 Optical transducer for the detection and the remote indication of the positions of a movable member, particularly of a valve member, along a path bethween two end-of-travel positions
PCT/EP2003/006966 WO2004008074A2 (en) 2002-07-15 2003-07-01 Optical transducer for the detection and the remote indication of the positions of a movable member, particularly of a valve member, along a path bethween two end-of-travel positions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2002TO000614A ITTO20020614A1 (it) 2002-07-15 2002-07-15 Trasduttore ottico per rivelamento e indicazione a distanza delle posizioni di un organo mobile particolarmente di un organo valvolare, lung

Publications (2)

Publication Number Publication Date
ITTO20020614A0 ITTO20020614A0 (it) 2002-07-15
ITTO20020614A1 true ITTO20020614A1 (it) 2004-01-15

Family

ID=11459495

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2002TO000614A ITTO20020614A1 (it) 2002-07-15 2002-07-15 Trasduttore ottico per rivelamento e indicazione a distanza delle posizioni di un organo mobile particolarmente di un organo valvolare, lung

Country Status (3)

Country Link
AU (1) AU2003250867A1 (it)
IT (1) ITTO20020614A1 (it)
WO (1) WO2004008074A2 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3372883B1 (de) * 2017-03-09 2019-12-11 VAT Holding AG Vakuumventil mit optischem sensor
CN111307443B (zh) * 2020-01-09 2021-03-19 中国矿业大学 一种呼吸阀开度测试的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4304630A (en) * 1980-02-19 1981-12-08 The United States Of America As Represented By The United States Department Of Energy Position indicator
US6268601B1 (en) * 1998-12-02 2001-07-31 Honeywell International Inc. Apparatus for determing the position of a rotating shaft
ITTO20010508A1 (it) * 2001-05-28 2002-11-28 Rizzio Valvole S P A Trasduttore ottico per il rilevamento e l'indicazione a distanza di posizioni predetermitate di un organo mobile, particolarmente di un orga

Also Published As

Publication number Publication date
AU2003250867A8 (en) 2004-02-02
AU2003250867A1 (en) 2004-02-02
ITTO20020614A0 (it) 2002-07-15
WO2004008074A2 (en) 2004-01-22
WO2004008074A3 (en) 2004-04-08

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