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CA2696239A1 - Appareil et procede pour surveiller et reguler un refroidissement cryogenique - Google Patents

Appareil et procede pour surveiller et reguler un refroidissement cryogenique Download PDF

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Publication number
CA2696239A1
CA2696239A1 CA2696239A CA2696239A CA2696239A1 CA 2696239 A1 CA2696239 A1 CA 2696239A1 CA 2696239 A CA2696239 A CA 2696239A CA 2696239 A CA2696239 A CA 2696239A CA 2696239 A1 CA2696239 A1 CA 2696239A1
Authority
CA
Canada
Prior art keywords
sensor
light beam
vapor cloud
cryogenic
intensity
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.)
Abandoned
Application number
CA2696239A
Other languages
English (en)
Inventor
Zbigniew Zurecki
Robert Ellsworth Knorr, Jr.
John Lewis Green
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.)
Air Products and Chemicals Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2696239A1 publication Critical patent/CA2696239A1/fr
Abandoned legal-status Critical Current

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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/001—Arrangement or mounting of control or safety devices for cryogenic fluid systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

L'invention porte sur un appareil et un procédé pour surveiller et/ou commander un refroidissement cryogénique par la mesure de l'opacité du nuage de vapeur (113) généré par un dispositif de refroidissement cryogénique (112). L'opacité est déterminée par la mesure de la réduction en intensité d'un faisceau lumineux (127) qui a été amené à passer à travers le nuage de vapeur (113). Les mesures d'opacité sont utilisées pour contrôler un paramètre fonctionnel du système, tel que la vitesse de refroidissement du dispositif de refroidissement cryogénique (112). Les mesures d'opacité peuvent être normalisées pour compenser des variables, autres que la température de la pièce de travail (119) et la vitesse de refroidissement, qui peuvent affecter l'opacité du nuage de vapeur (113).
CA2696239A 2007-08-28 2008-08-27 Appareil et procede pour surveiller et reguler un refroidissement cryogenique Abandoned CA2696239A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US96847907P 2007-08-28 2007-08-28
US60/968,479 2007-08-28
PCT/US2008/074465 WO2009032689A2 (fr) 2007-08-28 2008-08-27 Appareil et procédé pour surveiller et réguler un refroidissement cryogénique

Publications (1)

Publication Number Publication Date
CA2696239A1 true CA2696239A1 (fr) 2009-03-12

Family

ID=42712018

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2696239A Abandoned CA2696239A1 (fr) 2007-08-28 2008-08-27 Appareil et procede pour surveiller et reguler un refroidissement cryogenique

Country Status (7)

Country Link
US (1) US20110083447A1 (fr)
EP (1) EP2195627A4 (fr)
CN (1) CN101842678B (fr)
BR (1) BRPI0815928A2 (fr)
CA (1) CA2696239A1 (fr)
MX (1) MX2010002065A (fr)
WO (1) WO2009032689A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8474273B2 (en) 2009-10-29 2013-07-02 Air Products And Chemicals, Inc. Apparatus and method for providing a temperature-controlled gas
DE102011003004B3 (de) * 2011-01-21 2012-02-16 Mag Ias Gmbh Verfahren und Werkzeugmaschine zum Bearbeiten und Härten von metallischen Werkstücken
CN105917170B (zh) * 2013-12-20 2019-12-24 约翰·尊科股份有限公司 在恶劣环境下监测在tdlas测量中的端口堵塞的方法和装置
US9897493B2 (en) * 2016-03-30 2018-02-20 Air Products And Chemicals, Inc. Method for temperature data acquisition

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CA2122594A1 (fr) * 1991-11-01 1993-05-13 Royce Herbst Systeme d'evacuation de fumee a controleur de filtrage sequentiel et a dispositif de compensation des effets dus au vide pour laser bimode
US5344478A (en) * 1993-08-02 1994-09-06 Air Products And Chemicals, Inc. Vortex dispersing nozzle for liquefied cryogenic inert gases used in blanketing of molten metals exposed to ambient air and method
US5730806A (en) * 1993-08-30 1998-03-24 The United States Of America As Represented By The Administrator Of The National Aeronautics & Space Administration Gas-liquid supersonic cleaning and cleaning verification spray system
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Also Published As

Publication number Publication date
US20110083447A1 (en) 2011-04-14
WO2009032689A2 (fr) 2009-03-12
BRPI0815928A2 (pt) 2017-05-16
CN101842678A (zh) 2010-09-22
EP2195627A2 (fr) 2010-06-16
EP2195627A4 (fr) 2013-07-31
WO2009032689A3 (fr) 2009-09-03
MX2010002065A (es) 2010-03-15
CN101842678B (zh) 2012-05-16

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued

Effective date: 20130619

FZDE Discontinued

Effective date: 20130619