GB2021770B - Distance measuring - Google Patents
Distance measuringInfo
- Publication number
- GB2021770B GB2021770B GB7844932A GB7844932A GB2021770B GB 2021770 B GB2021770 B GB 2021770B GB 7844932 A GB7844932 A GB 7844932A GB 7844932 A GB7844932 A GB 7844932A GB 2021770 B GB2021770 B GB 2021770B
- Authority
- GB
- United Kingdom
- Prior art keywords
- distance measuring
- measuring
- distance
- 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
- 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
- G01D5/204—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 mutual induction between two or more coils
- G01D5/2046—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 mutual induction between two or more coils by a movable ferromagnetic element, e.g. a core
-
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7844932A GB2021770B (en) | 1978-04-11 | 1978-11-17 | Distance measuring |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1407178 | 1978-04-11 | ||
GB7844932A GB2021770B (en) | 1978-04-11 | 1978-11-17 | Distance measuring |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2021770A GB2021770A (en) | 1979-12-05 |
GB2021770B true GB2021770B (en) | 1982-08-18 |
Family
ID=26250259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7844932A Expired GB2021770B (en) | 1978-04-11 | 1978-11-17 | Distance measuring |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2021770B (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2539868A1 (en) * | 1983-01-25 | 1984-07-27 | Feuillee Michel | Capacitive displacement sensor integrated with a machine member of the piston/cylinder type |
US4855675A (en) * | 1984-05-21 | 1989-08-08 | Sacol Powerline Limited | Inductive transducers for indicating establishment of a preselected spatial relationship between two parts |
FR2568999B1 (en) * | 1984-08-07 | 1989-03-10 | Peugeot | CONTACTLESS TRAVEL SENSOR |
GB8714842D0 (en) * | 1987-06-24 | 1987-07-29 | Russel A | Transducer |
ATE141404T1 (en) * | 1988-01-22 | 1996-08-15 | Data Instr Inc | LINEAR ENCODER, ESPECIALLY USABLE FOR HYDRAULIC AND PNEUMATIC CYLINDERS |
US5216364A (en) * | 1989-01-11 | 1993-06-01 | Nartron Corporation | Variable transformer position sensor |
US5619133A (en) * | 1989-01-11 | 1997-04-08 | Nartron Corporation | Single coil position and movement sensor having enhanced dynamic range |
US5811967A (en) * | 1989-01-11 | 1998-09-22 | Nartron Corporation | EGR valve linear position sensor having variable coupling transformer |
US5210490A (en) * | 1989-01-11 | 1993-05-11 | Nartron Corporation | Linear position sensor having coaxial or parallel primary and secondary windings |
US5150615A (en) * | 1991-01-18 | 1992-09-29 | Nartron Corporation | Liquid level sensor |
GB9121367D0 (en) * | 1991-10-09 | 1991-11-20 | Emhart Glass Mach Invest | Hall sensor movement detection device |
DE4306539C2 (en) * | 1993-03-03 | 1995-10-19 | Festo Kg | Arrangement for detecting the position of the piston of a working cylinder |
AU4420800A (en) * | 1999-04-23 | 2000-11-10 | Scientific Generics Limited | Position sensor |
NO20023542D0 (en) * | 2002-07-25 | 2002-07-25 | Maritime Hydraulics As | Method and apparatus for discretely determining the position of a hydraulic accumulator separator piston |
US7023199B2 (en) * | 2002-12-31 | 2006-04-04 | Caterpillar Inc. | Position sensing cylinder cap for ease of service and assembly |
US7121185B2 (en) | 2004-05-28 | 2006-10-17 | Caterpillar Inc. | Hydraulic cylinder having a snubbing valve |
DE102015015478B3 (en) * | 2015-11-28 | 2016-12-29 | Beiqi Foton Motor Co., Ltd. | Device for guiding and supporting a sensor rod in a deep hole of a piston rod of a hydraulic cylinder |
-
1978
- 1978-11-17 GB GB7844932A patent/GB2021770B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2021770A (en) | 1979-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |