EP1969318A4 - Magnetdetektoranordnung - Google Patents
MagnetdetektoranordnungInfo
- Publication number
- EP1969318A4 EP1969318A4 EP06824473A EP06824473A EP1969318A4 EP 1969318 A4 EP1969318 A4 EP 1969318A4 EP 06824473 A EP06824473 A EP 06824473A EP 06824473 A EP06824473 A EP 06824473A EP 1969318 A4 EP1969318 A4 EP 1969318A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- detector arrangement
- magnetic detector
- magnetic
- arrangement
- detector
- 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- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/025—Compensating stray fields
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
- F15B15/2861—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using magnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
- G01D5/145—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Measuring Magnetic Variables (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0502659A SE530319C2 (sv) | 2005-12-02 | 2005-12-02 | Magnetdetektorarrangemang, hydraulcylinder och fordon med sådant arrangemang |
PCT/SE2006/001334 WO2007064271A1 (en) | 2005-12-02 | 2006-11-24 | Magnetic detector arrangement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1969318A1 EP1969318A1 (de) | 2008-09-17 |
EP1969318A4 true EP1969318A4 (de) | 2010-10-06 |
Family
ID=38092505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06824473A Withdrawn EP1969318A4 (de) | 2005-12-02 | 2006-11-24 | Magnetdetektoranordnung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1969318A4 (de) |
SE (1) | SE530319C2 (de) |
WO (1) | WO2007064271A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0812903D0 (en) * | 2008-07-15 | 2008-08-20 | Rota Eng Ltd | Linear actuator and position sensing apparatus therefor |
EP2696219B1 (de) | 2012-08-06 | 2017-01-04 | Ampass-Explorer Corp. | Vorsatzeinrichtung zur Verbesserung der Empfangsqualität einer Material-Detektoreinrichtung |
JP6779645B2 (ja) * | 2016-03-30 | 2020-11-04 | Ntn株式会社 | 電動アクチュエータ |
CN113289700B (zh) * | 2021-05-14 | 2022-04-29 | 北京航空航天大学 | 疏密梯度微结构、疏密梯度微结构的制备方法及磁控开关 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2044461A (en) * | 1979-03-16 | 1980-10-15 | Moog Inc | Armature position detector |
GB2389659A (en) * | 2002-06-12 | 2003-12-17 | Imi Vision Ltd | A position measuring system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8901770U1 (de) * | 1989-02-15 | 1990-07-26 | Schaltbau Gmbh, 8000 Muenchen, De | |
JPH04169881A (ja) * | 1990-11-02 | 1992-06-17 | Fujitsu Ten Ltd | 磁気センサの磁気シールド構造 |
JPH07260745A (ja) * | 1994-03-22 | 1995-10-13 | Tokyo Gas Co Ltd | 磁気センサの磁気シールド構造 |
DE19956313A1 (de) * | 1999-11-12 | 2001-05-23 | Atecs Mannesmann Ag | Magnetfeldsensor zur Ermittlung der Position eines beweglichen Objekts |
US6720764B2 (en) * | 2002-04-16 | 2004-04-13 | Thomas Energy Services Inc. | Magnetic sensor system useful for detecting tool joints in a downhold tubing string |
-
2005
- 2005-12-02 SE SE0502659A patent/SE530319C2/sv unknown
-
2006
- 2006-11-24 EP EP06824473A patent/EP1969318A4/de not_active Withdrawn
- 2006-11-24 WO PCT/SE2006/001334 patent/WO2007064271A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2044461A (en) * | 1979-03-16 | 1980-10-15 | Moog Inc | Armature position detector |
GB2389659A (en) * | 2002-06-12 | 2003-12-17 | Imi Vision Ltd | A position measuring system |
Non-Patent Citations (1)
Title |
---|
See also references of WO2007064271A1 * |
Also Published As
Publication number | Publication date |
---|---|
SE0502659L (sv) | 2007-06-03 |
WO2007064271A1 (en) | 2007-06-07 |
SE530319C2 (sv) | 2008-04-29 |
EP1969318A1 (de) | 2008-09-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20080702 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20100907 |
|
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20130601 |