ATE122457T1 - Diamant-durchflussmesser. - Google Patents

Diamant-durchflussmesser.

Info

Publication number
ATE122457T1
ATE122457T1 AT91311056T AT91311056T ATE122457T1 AT E122457 T1 ATE122457 T1 AT E122457T1 AT 91311056 T AT91311056 T AT 91311056T AT 91311056 T AT91311056 T AT 91311056T AT E122457 T1 ATE122457 T1 AT E122457T1
Authority
AT
Austria
Prior art keywords
electrical contacts
flow meter
metallic layer
conductive
portions
Prior art date
Application number
AT91311056T
Other languages
English (en)
Inventor
Barbara Lynn Jones
Original Assignee
De Beers Ind Diamond
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 De Beers Ind Diamond filed Critical De Beers Ind Diamond
Application granted granted Critical
Publication of ATE122457T1 publication Critical patent/ATE122457T1/de

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
    • H01C7/042—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient mainly consisting of inorganic non-metallic substances
    • H01C7/048—Carbon or carbides

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Paper (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Flow Control (AREA)
  • Thermistors And Varistors (AREA)
AT91311056T 1990-11-28 1991-11-28 Diamant-durchflussmesser. ATE122457T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909025798A GB9025798D0 (en) 1990-11-28 1990-11-28 Diamond fluid flow sensor

Publications (1)

Publication Number Publication Date
ATE122457T1 true ATE122457T1 (de) 1995-05-15

Family

ID=10686077

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91311056T ATE122457T1 (de) 1990-11-28 1991-11-28 Diamant-durchflussmesser.

Country Status (7)

Country Link
EP (1) EP0488754B1 (de)
JP (1) JPH06341876A (de)
AT (1) ATE122457T1 (de)
AU (1) AU654157B2 (de)
DE (1) DE69109633T2 (de)
GB (1) GB9025798D0 (de)
ZA (1) ZA919406B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005019418B4 (de) * 2005-04-25 2007-03-15 Krohne Messtechnik Gmbh & Co. Kg Magnetisch-induktives Durchflußmeßgerät und Verfahren zur Herstellung eines magnetisch-induktiven Durchflußmeßgeräts
DE102006023916A1 (de) 2006-05-19 2007-11-22 Endress + Hauser Flowtec Ag Magnetisch-induktives Durchflussmessgerät

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3352154A (en) * 1965-06-16 1967-11-14 Robert S Djorup Heated element fluid flow sensor
US3435399A (en) * 1966-04-19 1969-03-25 Gen Electric Thermistor device and method of producing said device
US4806900A (en) * 1986-09-26 1989-02-21 Naoji Fujimori Thermistor and method for producing the same
JPH0664080B2 (ja) * 1989-03-10 1994-08-22 山武ハネウエル株式会社 フローセンサ用の温度補償回路
JP2695000B2 (ja) * 1989-04-11 1997-12-24 住友電気工業株式会社 サーミスタ及びその製造方法

Also Published As

Publication number Publication date
ZA919406B (en) 1992-08-26
EP0488754B1 (de) 1995-05-10
DE69109633D1 (de) 1995-06-14
EP0488754A1 (de) 1992-06-03
AU654157B2 (en) 1994-10-27
AU8821191A (en) 1992-06-04
DE69109633T2 (de) 1995-09-07
GB9025798D0 (en) 1991-01-09
JPH06341876A (ja) 1994-12-13

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties