IT988568B - Dispositivo per la regolazione di portata di fluidi particolarmen te per strumenti di misura - Google Patents

Dispositivo per la regolazione di portata di fluidi particolarmen te per strumenti di misura

Info

Publication number
IT988568B
IT988568B IT31553/72A IT3155372A IT988568B IT 988568 B IT988568 B IT 988568B IT 31553/72 A IT31553/72 A IT 31553/72A IT 3155372 A IT3155372 A IT 3155372A IT 988568 B IT988568 B IT 988568B
Authority
IT
Italy
Prior art keywords
regulating
flow rate
measuring instruments
special fluids
fluids
Prior art date
Application number
IT31553/72A
Other languages
English (en)
Original Assignee
Thermo Electron Corp
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 Thermo Electron Corp filed Critical Thermo Electron Corp
Application granted granted Critical
Publication of IT988568B publication Critical patent/IT988568B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/76—Chemiluminescence; Bioluminescence
    • G01N21/766—Chemiluminescence; Bioluminescence of gases
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/03—Control of flow with auxiliary non-electric power
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2579—Flow rate responsive
    • Y10T137/2594—Choke

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
IT31553/72A 1971-11-12 1972-11-10 Dispositivo per la regolazione di portata di fluidi particolarmen te per strumenti di misura IT988568B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19829771A 1971-11-12 1971-11-12

Publications (1)

Publication Number Publication Date
IT988568B true IT988568B (it) 1975-04-30

Family

ID=22732790

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31553/72A IT988568B (it) 1971-11-12 1972-11-10 Dispositivo per la regolazione di portata di fluidi particolarmen te per strumenti di misura

Country Status (7)

Country Link
US (1) US3763877A (it)
JP (1) JPS4856489A (it)
CA (1) CA963689A (it)
DE (1) DE2244719B2 (it)
FR (1) FR2166950A5 (it)
GB (1) GB1378037A (it)
IT (1) IT988568B (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902851A (en) * 1974-01-09 1975-09-02 Fats & Proteins Res Found Method of detecting odors and apparatus therefor
US3856473A (en) * 1974-02-26 1974-12-24 Thermo Electron Corp Apparatus for measuring no{11 {11 concentrations
US4778764A (en) * 1974-10-07 1988-10-18 Thermedics Inc. Detection system and method
DE2932436C2 (de) * 1979-08-10 1983-11-10 Bayer Ag, 5090 Leverkusen Massenstromabhängiger Gasanalysator mit Durchflußregelung im Unterdruckbetrieb
US4301114A (en) * 1980-06-30 1981-11-17 Thermo Electron Corporation Molecular sieve trap for nitrogen compound detection
JPH079435B2 (ja) * 1985-07-23 1995-02-01 株式会社東芝 液体分配装置
DE3635037A1 (de) * 1986-10-15 1988-04-21 Gutehoffnungshuette Man Regler mit begrenzungseinrichtung
US5569606A (en) * 1992-06-01 1996-10-29 The Coca-Cola Company Method and system for sampling and determining the presence of contaminants in recyclable plastic materials
US5376550A (en) * 1992-06-01 1994-12-27 The Coca-Cola Company Method and system for sampling and determining the presence of compounds in containers
US5352611A (en) * 1992-06-01 1994-10-04 The Coca-Cola Company Method and system for sampling and determining the presence of compounds in containers
US5470754A (en) * 1992-06-01 1995-11-28 The Coca-Cola Company Method and system for sampling and determining the presence of compounds
US5451788A (en) * 1994-05-18 1995-09-19 Pollack; Larry J. Chemiluminescent detector
US6057162A (en) * 1997-03-07 2000-05-02 Thermedics Detection, Inc. Disease diagnosis by vapor sample analysis
US5904170A (en) * 1997-05-14 1999-05-18 Applied Materials, Inc. Pressure flow and concentration control of oxygen/ozone gas mixtures
US6030436A (en) * 1998-09-14 2000-02-29 Valco Instruments Company, Inc. Permeation tube for delivering fluid at a constant flow rate independent of ambient temperature variations
US20060243096A1 (en) * 2005-05-02 2006-11-02 Dieter Kita Method and apparatus for converting oxidized mercury into elemental mercury
CN101287987B (zh) * 2005-05-02 2011-03-30 热费希尔科学公司 监测气体样品中的汞的方法及装置
US7354553B2 (en) * 2005-05-02 2008-04-08 Dirk Appel Method and apparatus for detecting the presence of elemental mercury in a gas sample
WO2007008561A2 (en) * 2005-07-07 2007-01-18 Mks Instruments, Inc. Ozone system for multi-chamber tools
DE102009023224A1 (de) * 2009-05-29 2010-12-02 Avl Emission Test Systems Gmbh Anordnung zur geregelten Zuführung und Förderung eines Gasgemisches in eine Analysekammer
GB2540365B (en) * 2015-07-14 2019-12-11 Thermo Fisher Scient Bremen Gmbh Control of gas flow
GB2557670B (en) * 2016-12-15 2020-04-15 Thermo Fisher Scient Bremen Gmbh Improved gas flow control

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2258758A (en) * 1939-04-10 1941-10-14 Herbert E T Haultain Apparatus for controlling the volume of flow of fluids
US3152603A (en) * 1961-12-22 1964-10-13 Bendix Corp Constant head control valve
US3285703A (en) * 1963-05-31 1966-11-15 Nippon Oxygen Co Ltd Photosensitive means for determining trace oxygen by measuring chemiluminescence
US3543784A (en) * 1967-10-13 1970-12-01 Phillips Petroleum Co Flow control system

Also Published As

Publication number Publication date
CA963689A (en) 1975-03-04
GB1378037A (en) 1974-12-18
JPS4856489A (it) 1973-08-08
DE2244719A1 (de) 1973-05-30
US3763877A (en) 1973-10-09
DE2244719B2 (de) 1976-03-11
FR2166950A5 (it) 1973-08-17

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