GB2332072B - Method of operating a thermocouple - Google Patents

Method of operating a thermocouple

Info

Publication number
GB2332072B
GB2332072B GB9825203A GB9825203A GB2332072B GB 2332072 B GB2332072 B GB 2332072B GB 9825203 A GB9825203 A GB 9825203A GB 9825203 A GB9825203 A GB 9825203A GB 2332072 B GB2332072 B GB 2332072B
Authority
GB
United Kingdom
Prior art keywords
thermocouple
operating
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
GB9825203A
Other versions
GB9825203D0 (en
GB2332072A (en
Inventor
Hartmut Stark
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.)
Draeger Medical GmbH
Original Assignee
Draeger Medical GmbH
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
Priority claimed from DE19846917A external-priority patent/DE19846917B4/en
Application filed by Draeger Medical GmbH filed Critical Draeger Medical GmbH
Publication of GB9825203D0 publication Critical patent/GB9825203D0/en
Publication of GB2332072A publication Critical patent/GB2332072A/en
Application granted granted Critical
Publication of GB2332072B publication Critical patent/GB2332072B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/688—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
    • G01F1/6888—Thermoelectric elements, e.g. thermocouples, thermopiles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
GB9825203A 1997-12-06 1998-11-17 Method of operating a thermocouple Expired - Fee Related GB2332072B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19754198 1997-12-06
DE19846917A DE19846917B4 (en) 1997-12-06 1998-10-12 Method and device for measuring the flow velocity of a fluid

Publications (3)

Publication Number Publication Date
GB9825203D0 GB9825203D0 (en) 1999-01-13
GB2332072A GB2332072A (en) 1999-06-09
GB2332072B true GB2332072B (en) 1999-11-24

Family

ID=26042238

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9825203A Expired - Fee Related GB2332072B (en) 1997-12-06 1998-11-17 Method of operating a thermocouple

Country Status (1)

Country Link
GB (1) GB2332072B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2355806B (en) 1999-10-30 2001-12-12 Draeger Medizintech Gmbh Device and method for measuring the concentration of a paramagnetic gas
GB201818888D0 (en) * 2018-11-20 2019-01-02 Univ Oxford Innovation Ltd Apparatus and methods for testing a smaple

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0187723A2 (en) * 1985-01-10 1986-07-16 Universite D'orleans Measurement method and probe based on the use of a thermocouple
WO1989001132A1 (en) * 1987-07-27 1989-02-09 Solid State Flowmeters Pty Ltd Heated semiconductor measurement of fluid flow
GB2297164A (en) * 1995-01-18 1996-07-24 Draegerwerk Ag Arrangement for measuring the through-flow in a fluid channel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0187723A2 (en) * 1985-01-10 1986-07-16 Universite D'orleans Measurement method and probe based on the use of a thermocouple
WO1989001132A1 (en) * 1987-07-27 1989-02-09 Solid State Flowmeters Pty Ltd Heated semiconductor measurement of fluid flow
GB2297164A (en) * 1995-01-18 1996-07-24 Draegerwerk Ag Arrangement for measuring the through-flow in a fluid channel

Also Published As

Publication number Publication date
GB9825203D0 (en) 1999-01-13
GB2332072A (en) 1999-06-09

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Legal Events

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

Effective date: 20071117