EP0965056A4 - Emetteur a ultra-sons sans condensat - Google Patents

Emetteur a ultra-sons sans condensat

Info

Publication number
EP0965056A4
EP0965056A4 EP98910128A EP98910128A EP0965056A4 EP 0965056 A4 EP0965056 A4 EP 0965056A4 EP 98910128 A EP98910128 A EP 98910128A EP 98910128 A EP98910128 A EP 98910128A EP 0965056 A4 EP0965056 A4 EP 0965056A4
Authority
EP
European Patent Office
Prior art keywords
ultrasonic transmitter
free ultrasonic
condensate free
condensate
transmitter
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.)
Withdrawn
Application number
EP98910128A
Other languages
German (de)
English (en)
Other versions
EP0965056A1 (fr
Inventor
Frederick L Maltby
Alex Feldman
L Jonathan Kramer
Stephen J Ladyansky
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.)
Drexelbrook Controls Inc
Original Assignee
Drexelbrook Controls Inc
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 Drexelbrook Controls Inc filed Critical Drexelbrook Controls Inc
Publication of EP0965056A1 publication Critical patent/EP0965056A1/fr
Publication of EP0965056A4 publication Critical patent/EP0965056A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • 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
    • G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2962—Measuring transit time of reflected waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52004—Means for monitoring or calibrating

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
EP98910128A 1997-02-27 1998-02-27 Emetteur a ultra-sons sans condensat Withdrawn EP0965056A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US3938997P 1997-02-27 1997-02-27
US39389P 1997-02-27
PCT/US1998/004075 WO1998038528A1 (fr) 1997-02-27 1998-02-27 Emetteur a ultra-sons sans condensat

Publications (2)

Publication Number Publication Date
EP0965056A1 EP0965056A1 (fr) 1999-12-22
EP0965056A4 true EP0965056A4 (fr) 2001-03-21

Family

ID=21905188

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98910128A Withdrawn EP0965056A4 (fr) 1997-02-27 1998-02-27 Emetteur a ultra-sons sans condensat

Country Status (3)

Country Link
EP (1) EP0965056A4 (fr)
CA (1) CA2282587A1 (fr)
WO (1) WO1998038528A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6790815B1 (en) 1998-07-10 2004-09-14 Procter & Gamble Company Amine reaction compounds comprising one or more active ingredient
DE10158144A1 (de) * 2001-11-27 2003-06-26 Adolf Thies Gmbh & Co Kg Ultraschallwandler für den Einsatz unter extremen klimatischen Bedingungen
WO2014065837A1 (fr) * 2012-10-25 2014-05-01 Graco Minnesota Inc. Capteur de niveau de matière fondue chaude et logement pour capteur
DE102018202596A1 (de) * 2018-02-21 2019-08-22 Robert Bosch Gmbh Schallführungseinheit und Tank zur Speicherung fluiden Reduktionsmittels
CN110686755A (zh) * 2019-09-11 2020-01-14 上海三高计算机中心股份有限公司 一种用于狭长管道贴壁安装的电池供电液位监测终端
ES2876050B2 (es) 2020-05-08 2022-05-27 Omelchenko Elena Procedimiento de preparacion de un catalizador para descontaminacion ambiental por electrocatalisis heterogenea reductiva no selectiva

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4296309A (en) * 1977-05-19 1981-10-20 Canon Kabushiki Kaisha Thermal head
US4523122A (en) * 1983-03-17 1985-06-11 Matsushita Electric Industrial Co., Ltd. Piezoelectric ultrasonic transducers having acoustic impedance-matching layers
JPH033037Y2 (fr) * 1985-05-13 1991-01-25
US5229975A (en) * 1992-06-03 1993-07-20 Dynatech Corporation Vehicle proximity sensor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *
See also references of WO9838528A1 *

Also Published As

Publication number Publication date
EP0965056A1 (fr) 1999-12-22
WO1998038528A1 (fr) 1998-09-03
CA2282587A1 (fr) 1998-09-03

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Legal Events

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