CN1120374C - 涡流式测量机构 - Google Patents

涡流式测量机构 Download PDF

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Publication number
CN1120374C
CN1120374C CN 97180620 CN97180620A CN1120374C CN 1120374 C CN1120374 C CN 1120374C CN 97180620 CN97180620 CN 97180620 CN 97180620 A CN97180620 A CN 97180620A CN 1120374 C CN1120374 C CN 1120374C
Authority
CN
China
Prior art keywords
permanent magnet
hall element
eddy current
instrument
eddy currents
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 - Fee Related
Application number
CN 97180620
Other languages
English (en)
Chinese (zh)
Other versions
CN1240513A (zh
Inventor
K·－J·奈德哈德特
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.)
Mannesmann VDO AG
Original Assignee
Mannesmann VDO AG
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 Mannesmann VDO AG filed Critical Mannesmann VDO AG
Publication of CN1240513A publication Critical patent/CN1240513A/zh
Application granted granted Critical
Publication of CN1120374C publication Critical patent/CN1120374C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/49—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents
    • G01P3/495—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents where the indicating means responds to forces produced by the eddy currents and the generating magnetic field
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/487—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measuring Magnetic Variables (AREA)
CN 97180620 1996-12-14 1997-12-04 涡流式测量机构 Expired - Fee Related CN1120374C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1996152082 DE19652082A1 (de) 1996-12-14 1996-12-14 Wirbelstrommesswerk
DE19652082.7 1996-12-14

Publications (2)

Publication Number Publication Date
CN1240513A CN1240513A (zh) 2000-01-05
CN1120374C true CN1120374C (zh) 2003-09-03

Family

ID=7814726

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 97180620 Expired - Fee Related CN1120374C (zh) 1996-12-14 1997-12-04 涡流式测量机构

Country Status (7)

Country Link
JP (1) JP2001506755A (de)
KR (1) KR100733162B1 (de)
CN (1) CN1120374C (de)
BR (1) BR9714011A (de)
DE (1) DE19652082A1 (de)
MY (1) MY128316A (de)
WO (1) WO1998027436A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050035251A (ko) * 2002-08-01 2005-04-15 젠트론 아크티엔게젤샤프트 자기장 센서 및 자기장 센서의 작동 방법
JP2004219383A (ja) * 2003-01-17 2004-08-05 Central Japan Railway Co 車輪速度検知システム
DE102006047896A1 (de) * 2006-10-10 2008-04-17 Volkswagen Ag Anzeigeeinrichtung mit einer bewegbaren Zeigereinrichtung und einem Antrieb für die Zeigereinrichtung
US20150035517A1 (en) * 2013-07-30 2015-02-05 Delphi Technologies, Inc. Vehicle instrument panel with magnet equipped pointer
US10459115B2 (en) * 2015-03-25 2019-10-29 Daniel Rudolph Krugel Method and device for detecting a material
KR20230053391A (ko) 2021-10-14 2023-04-21 현대자동차주식회사 영구자석 와전류 손실 측정장치 및 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT8053356V0 (it) * 1980-07-03 1980-07-03 Borletti Spa Perfezionamento ad un dispositivo tachimetrico pilotato da un motore elettrico
KR0108468Y1 (en) * 1993-07-26 1995-02-18 Jung Young Choon Brushless dc motor
DE4339599A1 (de) 1993-11-20 1995-06-01 Vdo Schindling Wirbelstrom-Meßwerk
DE4440214C2 (de) * 1994-11-10 1997-08-14 Itt Ind Gmbh Deutsche Drehgeber mit Hallsensoren

Also Published As

Publication number Publication date
KR20000057320A (ko) 2000-09-15
DE19652082A1 (de) 1998-06-18
WO1998027436A1 (de) 1998-06-25
MY128316A (en) 2007-01-31
CN1240513A (zh) 2000-01-05
KR100733162B1 (ko) 2007-06-27
BR9714011A (pt) 2000-05-09
JP2001506755A (ja) 2001-05-22

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20030903

Termination date: 20100104