DK72796A - Optical fluid flowmeter - Google Patents

Optical fluid flowmeter Download PDF

Info

Publication number
DK72796A
DK72796A DK72796A DK72796A DK72796A DK 72796 A DK72796 A DK 72796A DK 72796 A DK72796 A DK 72796A DK 72796 A DK72796 A DK 72796A DK 72796 A DK72796 A DK 72796A
Authority
DK
Denmark
Prior art keywords
optical fluid
fluid flowmeter
flowmeter
optical
fluid
Prior art date
Application number
DK72796A
Other languages
Danish (da)
Inventor
Jan Kikkenborg Larsen
Original Assignee
Alka Electronic Aps
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 Alka Electronic Aps filed Critical Alka Electronic Aps
Priority to DK72796A priority Critical patent/DK72796A/en
Priority to PCT/DK1997/000285 priority patent/WO1998000736A1/en
Priority to AU32546/97A priority patent/AU3254697A/en
Publication of DK72796A publication Critical patent/DK72796A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F3/00—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow
    • 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
    • G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/661—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters using light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology
    • G01W1/14—Rainfall or precipitation gauges
DK72796A 1996-07-02 1996-07-02 Optical fluid flowmeter DK72796A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DK72796A DK72796A (en) 1996-07-02 1996-07-02 Optical fluid flowmeter
PCT/DK1997/000285 WO1998000736A1 (en) 1996-07-02 1997-06-30 Optical flow meter
AU32546/97A AU3254697A (en) 1996-07-02 1997-06-30 Optical flow meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK72796A DK72796A (en) 1996-07-02 1996-07-02 Optical fluid flowmeter

Publications (1)

Publication Number Publication Date
DK72796A true DK72796A (en) 1998-01-03

Family

ID=8096856

Family Applications (1)

Application Number Title Priority Date Filing Date
DK72796A DK72796A (en) 1996-07-02 1996-07-02 Optical fluid flowmeter

Country Status (3)

Country Link
AU (1) AU3254697A (en)
DK (1) DK72796A (en)
WO (1) WO1998000736A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6617079B1 (en) 2000-06-19 2003-09-09 Mykrolis Corporation Process and system for determining acceptibility of a fluid dispense
FI118980B (en) * 2001-09-24 2008-05-30 Vaisala Oyj Rain sensors and method for measuring rain
FI116424B (en) * 2003-07-01 2005-11-15 Vaisala Oyj Process of measuring device observing hydrometeors and device therefor
CN102156306B (en) * 2011-03-09 2012-05-30 华南农业大学 Method and device for detecting infrared photoelectric rainwater based on error code detection mechanism
JP5849619B2 (en) * 2011-11-07 2016-01-27 セイコーエプソン株式会社 Droplet detector
JP5849629B2 (en) * 2011-11-14 2016-01-27 セイコーエプソン株式会社 Droplet detector
RU2617033C1 (en) * 2016-03-09 2017-04-19 Федеральное государственное бюджетное учреждение науки Институт мониторинга климатических и экологических систем Сибирского отделения Российской академии наук (ИМКЭС СО РАН) Method of optical precipitation metre calibration

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2293718A1 (en) * 1974-12-06 1976-07-02 Donnadieu Georges Rain gauge apparatus with photoelectric detection - for falling raindrops which pass through light beam of known area
US4314484A (en) * 1979-10-09 1982-02-09 University Of Utah Research Foundation Self-compensating optical drop count apparatus for measuring volumetric fluid flow
GB2080555A (en) * 1980-07-09 1982-02-03 Illingworth Anthony John A device to measure the sizes and concentration of solid or liquid particles as they move through a fluid
EP0170984A3 (en) * 1984-08-06 1986-12-17 Abbott Laboratories Drop detecting system
US4680977A (en) * 1985-03-06 1987-07-21 Ivac Corporation Optical flow sensor
US4754149A (en) * 1987-01-08 1988-06-28 Scientific Technology, Inc. Optical precipitation gauge which detects scintillations produced by particle movement in the light beam
JPH0524071Y2 (en) * 1988-08-11 1993-06-18

Also Published As

Publication number Publication date
AU3254697A (en) 1998-01-21
WO1998000736A1 (en) 1998-01-08

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment