DE2520135A1 - Ummantelung zum aufheizen oder abkuehlen eines gegenstandes - Google Patents

Ummantelung zum aufheizen oder abkuehlen eines gegenstandes

Info

Publication number
DE2520135A1
DE2520135A1 DE19752520135 DE2520135A DE2520135A1 DE 2520135 A1 DE2520135 A1 DE 2520135A1 DE 19752520135 DE19752520135 DE 19752520135 DE 2520135 A DE2520135 A DE 2520135A DE 2520135 A1 DE2520135 A1 DE 2520135A1
Authority
DE
Germany
Prior art keywords
ribs
temperature
electrical
heating
body part
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.)
Pending
Application number
DE19752520135
Other languages
German (de)
English (en)
Inventor
Jean-Claude Crepin
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.)
INAFRANCE SOC
Original Assignee
INAFRANCE SOC
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 INAFRANCE SOC filed Critical INAFRANCE SOC
Publication of DE2520135A1 publication Critical patent/DE2520135A1/de
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B17/00Furnaces of a kind not covered by any of groups F27B1/00 - F27B15/00
    • F27B17/02Furnaces of a kind not covered by any of groups F27B1/00 - F27B15/00 specially designed for laboratory use
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/26Conditioning of the fluid carrier; Flow patterns
    • G01N30/28Control of physical parameters of the fluid carrier
    • G01N30/30Control of physical parameters of the fluid carrier of temperature
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/1906Control of temperature characterised by the use of electric means using an analogue comparing device
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/1906Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1909Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can only take two discrete values
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/1919Control of temperature characterised by the use of electric means characterised by the type of controller
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/20Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/26Conditioning of the fluid carrier; Flow patterns
    • G01N30/28Control of physical parameters of the fluid carrier
    • G01N30/30Control of physical parameters of the fluid carrier of temperature
    • G01N2030/3084Control of physical parameters of the fluid carrier of temperature ovens

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Clinical Laboratory Science (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Temperature (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
DE19752520135 1974-05-06 1975-05-06 Ummantelung zum aufheizen oder abkuehlen eines gegenstandes Pending DE2520135A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7415631A FR2270538A1 (en) 1974-05-06 1974-05-06 Enclosure for heating a chromatographic column - has insulated walls andribbed metal supports with embedded heaters

Publications (1)

Publication Number Publication Date
DE2520135A1 true DE2520135A1 (de) 1975-11-27

Family

ID=9138502

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752520135 Pending DE2520135A1 (de) 1974-05-06 1975-05-06 Ummantelung zum aufheizen oder abkuehlen eines gegenstandes

Country Status (2)

Country Link
DE (1) DE2520135A1 (enExample)
FR (1) FR2270538A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079568A1 (en) * 1981-11-16 1983-05-25 Kontron-Holding Ag Improvements in or relating to heating apparatus

Also Published As

Publication number Publication date
FR2270538A1 (en) 1975-12-05
FR2270538B1 (enExample) 1977-03-04

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OHJ Non-payment of the annual fee