GB1386035A - Eddy current sensor - Google Patents
Eddy current sensorInfo
- Publication number
- GB1386035A GB1386035A GB1440773A GB1440773A GB1386035A GB 1386035 A GB1386035 A GB 1386035A GB 1440773 A GB1440773 A GB 1440773A GB 1440773 A GB1440773 A GB 1440773A GB 1386035 A GB1386035 A GB 1386035A
- Authority
- GB
- United Kingdom
- Prior art keywords
- current sensor
- eddy current
- coils
- magnetised
- insensitive
- 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
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
- G01R33/028—Electrodynamic magnetometers
-
- 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
-
- 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
-
- 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
- G01P3/484—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 contact-making switches
-
- 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
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24586372A | 1972-04-20 | 1972-04-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1386035A true GB1386035A (en) | 1975-03-05 |
Family
ID=22928395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1440773A Expired GB1386035A (en) | 1972-04-20 | 1973-03-26 | Eddy current sensor |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS4947807A (de) |
CA (1) | CA984463A (de) |
CH (1) | CH558532A (de) |
DE (1) | DE2319927A1 (de) |
FR (1) | FR2181078B1 (de) |
GB (1) | GB1386035A (de) |
IT (1) | IT984760B (de) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2029577A (en) * | 1978-09-05 | 1980-03-19 | Coburn O | Magnetic sensor assembly |
GB2265221A (en) * | 1992-03-21 | 1993-09-22 | Schlumberger Ind Ltd | Inductive sensors |
GB2408802A (en) * | 2003-12-03 | 2005-06-08 | Weston Aerospace | Eddy current sensors |
EP2073022A1 (de) | 2007-12-21 | 2009-06-24 | Weston Aerospace Limited | Verfahren und Vorrichtung zur Überwachung der Drehzahl einer Gasturbinenwelle |
EP2073020A1 (de) | 2007-12-21 | 2009-06-24 | Weston Aerospace Limited | Verfahren und Vorrichtung zur Überwachung der Drehzahl der Welle einer Gasturbine |
EP2073021A1 (de) | 2007-12-21 | 2009-06-24 | Weston Aerospace Limited | Verfahren und Vorrichtung zur Überwachung der Drehzahl einer Welle |
EP2073019A2 (de) | 2007-12-21 | 2009-06-24 | Weston Aerospace Limited | Verfahren und Vorrichtung zur Überwachung von Gasturbinenblättern |
US7840370B2 (en) | 2007-12-21 | 2010-11-23 | Weston Aerospace Limited | Method and apparatus for monitoring the rotational speed of shaft |
DE102010061955A1 (de) | 2010-11-25 | 2012-05-31 | Rolls-Royce Deutschland Ltd & Co Kg | Induktiver Sensor |
US10976221B2 (en) | 2018-01-09 | 2021-04-13 | Weston Aerospace Limited | Magnetic gas turbine sensor |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2288313A1 (fr) * | 1974-10-17 | 1976-05-14 | Jaeger | Perfectionnement aux capteurs magnetiques |
DE3582783D1 (de) * | 1984-11-20 | 1991-06-13 | S G Kk | Einrichtung zum erfassen der drehlage. |
US7948229B2 (en) * | 2008-08-29 | 2011-05-24 | General Electric Company | High temperature electronics for passive eddy current sensors |
CA2735220C (en) * | 2008-08-29 | 2018-05-15 | General Electric Company | System and method for sensing the periodic position of an object |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE933173C (de) * | 1950-10-14 | 1955-09-22 | Siemens Ag | Pruefeinrichtung, insbesondere fuer elektrische Triebfahrzeuge, zur Anzeige der Drehbewegung einer Welle |
-
1973
- 1973-03-21 CA CA166,995A patent/CA984463A/en not_active Expired
- 1973-03-26 GB GB1440773A patent/GB1386035A/en not_active Expired
- 1973-04-17 CH CH551273A patent/CH558532A/de not_active IP Right Cessation
- 1973-04-17 IT IT1257773A patent/IT984760B/it active
- 1973-04-19 DE DE19732319927 patent/DE2319927A1/de not_active Withdrawn
- 1973-04-20 JP JP4563273A patent/JPS4947807A/ja active Pending
- 1973-04-20 FR FR7314664A patent/FR2181078B1/fr not_active Expired
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2029577A (en) * | 1978-09-05 | 1980-03-19 | Coburn O | Magnetic sensor assembly |
GB2029577B (en) * | 1978-09-05 | 1983-03-23 | Coburn Wesley Orin | Magnetic sensor assembly |
GB2265221A (en) * | 1992-03-21 | 1993-09-22 | Schlumberger Ind Ltd | Inductive sensors |
GB2265221B (en) * | 1992-03-21 | 1995-04-26 | Schlumberger Ind Ltd | Inductive sensors |
GB2408802A (en) * | 2003-12-03 | 2005-06-08 | Weston Aerospace | Eddy current sensors |
EP2073020A1 (de) | 2007-12-21 | 2009-06-24 | Weston Aerospace Limited | Verfahren und Vorrichtung zur Überwachung der Drehzahl der Welle einer Gasturbine |
EP2073022A1 (de) | 2007-12-21 | 2009-06-24 | Weston Aerospace Limited | Verfahren und Vorrichtung zur Überwachung der Drehzahl einer Gasturbinenwelle |
EP2073021A1 (de) | 2007-12-21 | 2009-06-24 | Weston Aerospace Limited | Verfahren und Vorrichtung zur Überwachung der Drehzahl einer Welle |
EP2073019A2 (de) | 2007-12-21 | 2009-06-24 | Weston Aerospace Limited | Verfahren und Vorrichtung zur Überwachung von Gasturbinenblättern |
US7840370B2 (en) | 2007-12-21 | 2010-11-23 | Weston Aerospace Limited | Method and apparatus for monitoring the rotational speed of shaft |
US7856337B2 (en) | 2007-12-21 | 2010-12-21 | Weston Aerospace Limited | Method and apparatus for monitoring the rotational speed of the shaft of a gas turbine |
US8229646B2 (en) | 2007-12-21 | 2012-07-24 | Weston Aerospace Limited | Method and apparatus for monitoring gas turbine blades |
DE102010061955A1 (de) | 2010-11-25 | 2012-05-31 | Rolls-Royce Deutschland Ltd & Co Kg | Induktiver Sensor |
DE102010061955B4 (de) * | 2010-11-25 | 2014-03-13 | Rolls-Royce Deutschland Ltd & Co Kg | Induktiver Sensor |
US10976221B2 (en) | 2018-01-09 | 2021-04-13 | Weston Aerospace Limited | Magnetic gas turbine sensor |
Also Published As
Publication number | Publication date |
---|---|
FR2181078B1 (de) | 1977-09-02 |
CH558532A (de) | 1975-01-31 |
JPS4947807A (de) | 1974-05-09 |
FR2181078A1 (de) | 1973-11-30 |
DE2319927A1 (de) | 1973-10-31 |
CA984463A (en) | 1976-02-24 |
IT984760B (it) | 1974-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |