DK30498A - Fremgangsmåde til bestemmelse af massestrømhastighed - Google Patents

Fremgangsmåde til bestemmelse af massestrømhastighed

Info

Publication number
DK30498A
DK30498A DK199800304A DK30498A DK30498A DK 30498 A DK30498 A DK 30498A DK 199800304 A DK199800304 A DK 199800304A DK 30498 A DK30498 A DK 30498A DK 30498 A DK30498 A DK 30498A
Authority
DK
Denmark
Prior art keywords
flow rate
mass flow
determining mass
determining
rate
Prior art date
Application number
DK199800304A
Other languages
English (en)
Inventor
Knud Fabrin
Carsten Langkjaer
Original Assignee
Dronningborg Ind As
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 Dronningborg Ind As filed Critical Dronningborg Ind As
Priority to DK199800304A priority Critical patent/DK30498A/da
Priority to EP99610014A priority patent/EP0940656A1/en
Priority to CA002264347A priority patent/CA2264347A1/en
Publication of DK30498A publication Critical patent/DK30498A/da

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/02—Compensating or correcting for variations in pressure, density or temperature
    • G01F15/022—Compensating or correcting for variations in pressure, density or temperature using electrical means
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
    • A01D41/12—Details of combines
    • A01D41/127—Control or measuring arrangements specially adapted for combines
    • A01D41/1271—Control or measuring arrangements specially adapted for combines for measuring crop flow
    • A01D41/1272—Control or measuring arrangements specially adapted for combines for measuring crop flow for measuring grain 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
    • 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
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Measuring Volume Flow (AREA)
DK199800304A 1998-03-06 1998-03-06 Fremgangsmåde til bestemmelse af massestrømhastighed DK30498A (da)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DK199800304A DK30498A (da) 1998-03-06 1998-03-06 Fremgangsmåde til bestemmelse af massestrømhastighed
EP99610014A EP0940656A1 (en) 1998-03-06 1999-02-26 A method for determining the mass flow rate of a granular material
CA002264347A CA2264347A1 (en) 1998-03-06 1999-03-04 A method of determining the mass flow rate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK199800304A DK30498A (da) 1998-03-06 1998-03-06 Fremgangsmåde til bestemmelse af massestrømhastighed

Publications (1)

Publication Number Publication Date
DK30498A true DK30498A (da) 1999-09-07

Family

ID=8092050

Family Applications (1)

Application Number Title Priority Date Filing Date
DK199800304A DK30498A (da) 1998-03-06 1998-03-06 Fremgangsmåde til bestemmelse af massestrømhastighed

Country Status (3)

Country Link
EP (1) EP0940656A1 (da)
CA (1) CA2264347A1 (da)
DK (1) DK30498A (da)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008043377A1 (de) 2008-10-31 2010-05-06 Deere & Company, Moline Messanordnung zur spektroskopischen Untersuchung und Durchsatzerfassung eines Erntegutstroms
CN101884271B (zh) * 2010-04-28 2012-07-04 周玉林 收割机谷物仓满提醒装置
RU2433376C1 (ru) * 2010-05-24 2011-11-10 Учреждение Российской академии наук Институт проблем управления им. В.А. Трапезникова РАН Устройство для измерения массового расхода вещества
US10371558B2 (en) 2016-08-31 2019-08-06 Deere & Company System and method for measuring a bin level via an electromagnetic signal
US10481105B2 (en) 2016-08-31 2019-11-19 Deere & Company Measurement device and method for estimating yield of a harvested crop
CN107509449A (zh) * 2017-08-11 2017-12-26 潍坊艾格瑞智能科技有限公司 一种联合收割机产量监控系统
US10871458B2 (en) 2017-11-06 2020-12-22 Deere & Company Radio frequency measurement device for measuring grain loss
US10863672B2 (en) 2017-11-06 2020-12-15 Deere & Company Radio frequency measurement device for measuring harvested agricultural material
US12575496B2 (en) 2019-10-14 2026-03-17 Deere & Company System and method for terahertz frequency crop contamination detection and handling
US11696529B2 (en) 2019-10-14 2023-07-11 Deere & Company Radio frequency grain mass and constituent measurement systems for combine harvesters
DE102020117071A1 (de) 2020-06-29 2021-12-30 Claas Selbstfahrende Erntemaschinen Gmbh Landwirtschaftliche Erntemaschine
US12063885B2 (en) 2020-11-03 2024-08-20 Deere & Company Kernel-level grain monitoring systems for combine harvesters

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1292369C (en) * 1987-05-15 1991-11-26 Her Majesty The Queen In Right Of Canada, As Represented By The Ministe Unthreshed head grain loss monitor
DK6996A (da) * 1995-06-02 1996-12-03 Dronningborg Ind As Fremgangsmåde og apparat til bestemmelse af masseflowet af en kornstrøm
DE19648126B4 (de) * 1996-11-21 2009-01-22 Claas Kgaa Mbh Selbstfahrender Feldhäcksler

Also Published As

Publication number Publication date
CA2264347A1 (en) 1999-09-06
EP0940656A1 (en) 1999-09-08

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment