DE69838635D1 - Antenneneinheit zur Körnerströmungsmessung nach dem Dopplerprinzip - Google Patents

Antenneneinheit zur Körnerströmungsmessung nach dem Dopplerprinzip

Info

Publication number
DE69838635D1
DE69838635D1 DE69838635T DE69838635T DE69838635D1 DE 69838635 D1 DE69838635 D1 DE 69838635D1 DE 69838635 T DE69838635 T DE 69838635T DE 69838635 T DE69838635 T DE 69838635T DE 69838635 D1 DE69838635 D1 DE 69838635D1
Authority
DE
Germany
Prior art keywords
antenna unit
flow measurement
measurement according
grain flow
doppler principle
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.)
Expired - Lifetime
Application number
DE69838635T
Other languages
English (en)
Other versions
DE69838635T2 (de
Inventor
George F Nelson
Ray E Artz
Lawrence Zierhut
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.)
CNH Industrial Belgium NV
Original Assignee
CNH Belgium NV
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 CNH Belgium NV filed Critical CNH Belgium NV
Publication of DE69838635D1 publication Critical patent/DE69838635D1/de
Application granted granted Critical
Publication of DE69838635T2 publication Critical patent/DE69838635T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01F1/66—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
    • G01F1/663—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 by measuring Doppler frequency shift
    • 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
    • G01F1/662—Constructional details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/001—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems for modifying the directional characteristic of an aerial

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measuring Volume Flow (AREA)
  • Waveguide Aerials (AREA)
DE69838635T 1997-11-07 1998-10-31 Antenneneinheit zur Körnerströmungsmessung nach dem Dopplerprinzip Expired - Lifetime DE69838635T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US966412 1997-11-07
US08/966,412 US6025814A (en) 1997-11-07 1997-11-07 Antenna unit for the doppler measurement of grain flow

Publications (2)

Publication Number Publication Date
DE69838635D1 true DE69838635D1 (de) 2007-12-13
DE69838635T2 DE69838635T2 (de) 2008-02-07

Family

ID=25511365

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69838635T Expired - Lifetime DE69838635T2 (de) 1997-11-07 1998-10-31 Antenneneinheit zur Körnerströmungsmessung nach dem Dopplerprinzip

Country Status (3)

Country Link
US (1) US6025814A (de)
EP (1) EP0916929B1 (de)
DE (1) DE69838635T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6240301B1 (en) * 1998-10-29 2001-05-29 Ericcson Inc. Diversity antenna in a SIM card package
DK174806B1 (da) * 2000-11-13 2003-12-01 Epoke As Vejmaskine med en anordning til afgivelse af materiale, og som har et organ til verifikation af afgivefunktionen
DE10137009C1 (de) * 2001-07-28 2003-04-03 Mic Measuring Ideas Consulting Verfahren und Vorrichtung zur Messung des Massenstroms
JP2003256789A (ja) * 2002-02-26 2003-09-12 Sony Corp メモリ装置及びメモリ収納装置
US8424451B2 (en) * 2004-04-23 2013-04-23 Sartec Corporation Automatically controlled steam flaking systems and methods
CN2909189Y (zh) * 2006-06-20 2007-06-06 沈阳铝镁设计研究院 设有微波流量开关的垂直管道
JP2010504534A (ja) * 2006-09-25 2010-02-12 ビーエーエスエフ ソシエタス・ヨーロピア 吸水性ポリマー粒子の連続的な製造方法
EP2418505A1 (de) 2010-07-26 2012-02-15 Bea S.A. Modulierender Retroreflektor zum Testen eines Dopplertransceivers
CN102663930B (zh) * 2012-05-08 2014-02-26 刘杰 一种多普勒效应实验装置、系统和方法
DE102013205478A1 (de) * 2013-03-27 2014-10-02 Siemens Aktiengesellschaft Verfahren und Vorrichtung zum Ermitteln wenigstens einer Konzentration von Kohlepartikeln in einem Gasstrom
JP6966963B2 (ja) * 2018-03-14 2021-11-17 株式会社キーエンス クランプオン式超音波流量センサ
JP7209418B2 (ja) * 2018-07-13 2023-01-20 株式会社大林組 粉体流量計測装置及び粉体の積算流量計測方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2167286A (en) * 1937-07-23 1939-07-25 Thomas O Theobald Aerial
US2591486A (en) * 1949-12-31 1952-04-01 Rca Corp Electromagnetic horn antenna
US3916349A (en) * 1973-07-31 1975-10-28 Itt Phase shifter for linearly polarized antenna array
FR2241792B1 (de) * 1973-08-24 1976-05-07 Thomson Csf
US4091385A (en) * 1976-11-24 1978-05-23 The United States Of America As Represented By The United States Department Of Energy Doppler radar flowmeter
US4231043A (en) * 1979-08-22 1980-10-28 Bell Telephone Laboratories, Incorporated Technique for reducing near-in sidelobes of an offset antenna
JPS56107604A (en) * 1980-01-30 1981-08-26 Hokuyo Automatic Co Horn antenna
US4660050A (en) * 1983-04-06 1987-04-21 Trw Inc. Doppler radar velocity measurement horn
GB2240881B (en) * 1990-02-09 1993-12-22 Philips Electronic Associated A millimetre wave antenna
US5315307A (en) * 1993-06-18 1994-05-24 The United States Of America As Represented By The Secretary Of The Air Force Doppler frequency angle measurement technique
US5619217A (en) * 1995-05-19 1997-04-08 Allen Telecom Group, Inc. Cellular and PCS antenna mounting assembly

Also Published As

Publication number Publication date
US6025814A (en) 2000-02-15
EP0916929A1 (de) 1999-05-19
EP0916929B1 (de) 2007-10-31
DE69838635T2 (de) 2008-02-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition