GB2229111B - A device for cooling eudiometers - Google Patents

A device for cooling eudiometers

Info

Publication number
GB2229111B
GB2229111B GB9002740A GB9002740A GB2229111B GB 2229111 B GB2229111 B GB 2229111B GB 9002740 A GB9002740 A GB 9002740A GB 9002740 A GB9002740 A GB 9002740A GB 2229111 B GB2229111 B GB 2229111B
Authority
GB
United Kingdom
Prior art keywords
eudiometers
cooling
cooling eudiometers
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
GB9002740A
Other languages
English (en)
Other versions
GB9002740D0 (en
GB2229111A (en
Inventor
Kurt Leichnitz
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.)
Draegerwerk AG and Co KGaA
Original Assignee
Draegerwerk AG and Co KGaA
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 Draegerwerk AG and Co KGaA filed Critical Draegerwerk AG and Co KGaA
Publication of GB9002740D0 publication Critical patent/GB9002740D0/en
Publication of GB2229111A publication Critical patent/GB2229111A/en
Application granted granted Critical
Publication of GB2229111B publication Critical patent/GB2229111B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011—Sample conditioning
    • G01N33/0016—Sample conditioning by regulating a physical variable, e.g. pressure or temperature
    • 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
    • F25D7/00—Devices using evaporation effects without recovery of the vapour
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2273—Atmospheric sampling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
    • G01N1/2214—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2273—Atmospheric sampling
    • G01N2001/2276—Personal monitors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N2001/2282—Devices for withdrawing samples in the gaseous state with cooling means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/40—Concentrating samples
    • G01N1/4022—Concentrating samples by thermal techniques; Phase changes
    • G01N2001/4033—Concentrating samples by thermal techniques; Phase changes sample concentrated on a cold spot, e.g. condensation or distillation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Combustion & Propulsion (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Sampling And Sample Adjustment (AREA)
GB9002740A 1989-03-14 1990-02-07 A device for cooling eudiometers Expired - Fee Related GB2229111B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3908195A DE3908195C1 (enExample) 1989-03-14 1989-03-14

Publications (3)

Publication Number Publication Date
GB9002740D0 GB9002740D0 (en) 1990-04-04
GB2229111A GB2229111A (en) 1990-09-19
GB2229111B true GB2229111B (en) 1992-05-13

Family

ID=6376265

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9002740A Expired - Fee Related GB2229111B (en) 1989-03-14 1990-02-07 A device for cooling eudiometers

Country Status (3)

Country Link
US (1) US5092183A (enExample)
DE (1) DE3908195C1 (enExample)
GB (1) GB2229111B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5646335A (en) * 1995-08-24 1997-07-08 Coulter Corporation Wickless temperature controlling apparatus and method for use with pore volume and surface area analyzers
NL1006858C2 (nl) * 1997-08-27 1999-03-02 Advuco Ijsblokjes Koeltechniek Werkwijze en inrichting voor het condenseren van een fluïdum.
US7014103B2 (en) * 2003-06-13 2006-03-21 Xtec, Incorporated Differential radio frequency identification reader
FR2858409B1 (fr) * 2003-07-29 2006-06-23 Renault Sa Dispositif de protection thermique pour appareil de mesure par prelevement de gaz et procede de mesure associe.
JP4574328B2 (ja) * 2004-11-10 2010-11-04 キヤノン株式会社 試料温度調整装置
DE102009039886B3 (de) * 2009-09-03 2010-10-07 Dräger Safety AG & Co. KGaA Vorrichtung zur Gasanalyse
US10514332B1 (en) * 2016-12-14 2019-12-24 Micromeritics Instrument Corporation Systems and methods for providing a profile of a material property using multiple analysis stations

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1138257B (de) * 1961-08-16 1962-10-18 Linde Eismasch Ag Vorrichtung zur Probenahme verfluessigter Gase zwecks analytischer Ermittlung ihrer Zusammensetzung
US3196689A (en) * 1963-04-18 1965-07-27 Macquorn R Forrester Breath constituent measurement apparatus and method
US3357256A (en) * 1965-08-16 1967-12-12 Air Reduction Sampling line for cryogenic liquid mixtures
DE1934028A1 (de) * 1969-07-04 1971-01-14 Hartmann & Braun Ag Wassergekuehlte Gasentnahmevorrichtung zur Entnahme sehr heisser Rauchgase fuer gasanalytische Zwecke
US3948604A (en) * 1974-01-02 1976-04-06 Borg-Warner Corporation Alcoholic breath simulation system
US3919065A (en) * 1974-06-27 1975-11-11 Heden Carl Goeran Method to divert heat generated in an electrophoretical separation especially isoelectric focusing and isotachophoresis
US4283947A (en) * 1979-09-10 1981-08-18 Kennecott Copper Corporation Self cleaning, steam cooled, gas sample probe
JPS57203934A (en) * 1981-06-09 1982-12-14 Mitsubishi Chem Ind Ltd Sampler
DE3242304C2 (de) * 1982-11-16 1986-07-10 Drägerwerk AG, 2400 Lübeck Gasüberwachungsgerät mit Indikatorband und einem eine Umwandlungsfüllung zur chemischen Umwandlung des zu messenden Gases in eine durch das Indikatorband nachweisbaren Substanz enthaltenden Vorrohr
USRE33567E (en) * 1986-02-25 1991-04-09 Micromeritics Instrument Corporation Temperature controlling apparatus for use with pore volume and surface area analyzers

Also Published As

Publication number Publication date
GB9002740D0 (en) 1990-04-04
GB2229111A (en) 1990-09-19
DE3908195C1 (enExample) 1990-06-13
US5092183A (en) 1992-03-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940207