CA2416551A1 - Capteur pouvant fonctionner au-dela de ses limites de temperature ambiante de fonctionnement - Google Patents

Capteur pouvant fonctionner au-dela de ses limites de temperature ambiante de fonctionnement Download PDF

Info

Publication number
CA2416551A1
CA2416551A1 CA002416551A CA2416551A CA2416551A1 CA 2416551 A1 CA2416551 A1 CA 2416551A1 CA 002416551 A CA002416551 A CA 002416551A CA 2416551 A CA2416551 A CA 2416551A CA 2416551 A1 CA2416551 A1 CA 2416551A1
Authority
CA
Canada
Prior art keywords
signal conditioning
conditioning means
transducer
coupled
terminal block
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
CA002416551A
Other languages
English (en)
Inventor
Paul Rudewicz
Michael Vasquez
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.)
Kaiser Electroprecision
Original Assignee
Kaiser Electroprecision
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 Kaiser Electroprecision filed Critical Kaiser Electroprecision
Publication of CA2416551A1 publication Critical patent/CA2416551A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/266—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors measuring circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/268—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors mounting arrangements of probes

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
CA002416551A 2000-06-23 2001-06-22 Capteur pouvant fonctionner au-dela de ses limites de temperature ambiante de fonctionnement Abandoned CA2416551A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US21340000P 2000-06-23 2000-06-23
US60/213,400 2000-06-23
PCT/US2001/020063 WO2002001161A2 (fr) 2000-06-23 2001-06-22 Capteur pouvant fonctionner au-dela de ses limites de temperature ambiante de fonctionnement

Publications (1)

Publication Number Publication Date
CA2416551A1 true CA2416551A1 (fr) 2002-01-03

Family

ID=22794972

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002416551A Abandoned CA2416551A1 (fr) 2000-06-23 2001-06-22 Capteur pouvant fonctionner au-dela de ses limites de temperature ambiante de fonctionnement

Country Status (5)

Country Link
EP (1) EP1297312A2 (fr)
AU (1) AU2001270103A1 (fr)
CA (1) CA2416551A1 (fr)
IL (1) IL153854A0 (fr)
WO (1) WO2002001161A2 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1578935A (en) * 1976-06-07 1980-11-12 Bunker Ramo Pressure sensor
US4404459A (en) * 1981-10-19 1983-09-13 The Bendix Corporation Housing and mounting assembly providing a temperature stabilized environment for a microcircuit
US4806847A (en) * 1986-12-09 1989-02-21 Caterpillar Inc. Dielectric liquid level sensor and method
US4850227A (en) * 1987-12-22 1989-07-25 Delco Electronics Corporation Pressure sensor and method of fabrication thereof
EP0635137A4 (fr) * 1992-11-13 1995-04-19 Western Atlas Int Inc Base de temps stabilisee par rapport aux temperatures elevees.
US5808206A (en) * 1996-01-16 1998-09-15 Mks Instruments, Inc. Heated pressure transducer assembly
US5659270A (en) * 1996-05-16 1997-08-19 Motorola, Inc. Apparatus and method for a temperature-controlled frequency source using a programmable IC
US5729181A (en) * 1996-08-23 1998-03-17 Hewlett-Packard Company High thermal gain oven with reduced probability of temperature gradient formation for the operation of a thermally stable oscillator

Also Published As

Publication number Publication date
AU2001270103A1 (en) 2002-01-08
WO2002001161A2 (fr) 2002-01-03
EP1297312A2 (fr) 2003-04-02
WO2002001161A3 (fr) 2002-04-25
IL153854A0 (en) 2003-07-31

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Legal Events

Date Code Title Description
FZDE Discontinued