GB2299675B - Device for detecting the displacement of valve stem movement in an electropneumatic positioner - Google Patents
Device for detecting the displacement of valve stem movement in an electropneumatic positionerInfo
- Publication number
- GB2299675B GB2299675B GB9608448A GB9608448A GB2299675B GB 2299675 B GB2299675 B GB 2299675B GB 9608448 A GB9608448 A GB 9608448A GB 9608448 A GB9608448 A GB 9608448A GB 2299675 B GB2299675 B GB 2299675B
- Authority
- GB
- United Kingdom
- Prior art keywords
- displacement
- detecting
- valve stem
- stem movement
- electropneumatic positioner
- 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
Links
Classifications
-
- 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
- G01D5/20—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 by varying inductance, e.g. by a movable armature
- G01D5/2006—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 by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
- G01D5/202—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 by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by movable a non-ferromagnetic conductive element
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
-
- 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
- G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
- G01D2205/70—Position sensors comprising a moving target with particular shapes, e.g. of soft magnetic targets
- G01D2205/77—Specific profiles
- G01D2205/775—Tapered profiles
-
- 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
- G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
- G01D2205/70—Position sensors comprising a moving target with particular shapes, e.g. of soft magnetic targets
- G01D2205/77—Specific profiles
- G01D2205/777—Whorl-shaped profiles
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4239635A DE4239635C2 (en) | 1992-11-23 | 1992-11-23 | Device for measuring the travel of valve rod movements of electropneumatic positioners |
GB9323778A GB2272771B (en) | 1992-11-23 | 1993-11-18 | Method for detecting the displacement of valve stem movement in an electropneumatic positioner |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9608448D0 GB9608448D0 (en) | 1996-06-26 |
GB2299675A GB2299675A (en) | 1996-10-09 |
GB2299675B true GB2299675B (en) | 1997-01-15 |
Family
ID=25920726
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9608463A Expired - Fee Related GB2299676B (en) | 1992-11-23 | 1993-11-18 | Device for detecting the displacement of valve stem movement in an electropneumatic positioner |
GB9608448A Expired - Fee Related GB2299675B (en) | 1992-11-23 | 1993-11-18 | Device for detecting the displacement of valve stem movement in an electropneumatic positioner |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9608463A Expired - Fee Related GB2299676B (en) | 1992-11-23 | 1993-11-18 | Device for detecting the displacement of valve stem movement in an electropneumatic positioner |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2299676B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1295878B1 (en) * | 1997-10-24 | 1999-05-28 | Abb Kent Taylor Spa | DEVICE FOR RELATIVE MEASUREMENT OF ANGLES, ESPECIALLY FOR REGULATING AND ROTARY VALVE STEMS |
GB2367622A (en) * | 2000-10-05 | 2002-04-10 | Transense Technologies Plc | Position sensor utilising the changing radiating characteristic of an antenna |
CN103512480A (en) * | 2012-06-26 | 2014-01-15 | 广西玉柴机器股份有限公司 | Displacement measuring device for supercharger bypass valve push rod |
CN106123759B (en) * | 2016-08-29 | 2018-09-04 | 郑州春泉节能股份有限公司 | Electrically operated valve stroke detection implementation method based on electrically operated valve stroke detection system |
CN106839966A (en) * | 2017-03-20 | 2017-06-13 | 中国恩菲工程技术有限公司 | For the furnace expansion displacement detection system of metallurgical industrial furnace |
CN112594061A (en) * | 2020-11-27 | 2021-04-02 | 沪东重机有限公司 | Method for monitoring position of exhaust valve of marine low-speed engine |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5045785A (en) * | 1990-03-05 | 1991-09-03 | Borg-Warner Automotive, Inc. | Linear position sensor with movable tapered element |
-
1993
- 1993-11-18 GB GB9608463A patent/GB2299676B/en not_active Expired - Fee Related
- 1993-11-18 GB GB9608448A patent/GB2299675B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2299675A (en) | 1996-10-09 |
GB2299676B (en) | 1997-01-15 |
GB9608448D0 (en) | 1996-06-26 |
GB2299676A (en) | 1996-10-09 |
GB9608463D0 (en) | 1996-06-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20081118 |