ITRM930841A0 - Dispositivo rivelatore di posizione assiale di aste, in particolare steli di pistoni. - Google Patents
Dispositivo rivelatore di posizione assiale di aste, in particolare steli di pistoni.Info
- Publication number
- ITRM930841A0 ITRM930841A0 ITRM930841A ITRM930841A ITRM930841A0 IT RM930841 A0 ITRM930841 A0 IT RM930841A0 IT RM930841 A ITRM930841 A IT RM930841A IT RM930841 A ITRM930841 A IT RM930841A IT RM930841 A0 ITRM930841 A0 IT RM930841A0
- Authority
- IT
- Italy
- Prior art keywords
- rods
- detecting
- axial position
- particular piston
- piston rods
- Prior art date
Links
Classifications
-
- 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
-
- 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
- G01D5/244—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 characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/245—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 characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
- G01D5/2454—Encoders incorporating incremental and absolute signals
- G01D5/2455—Encoders incorporating incremental and absolute signals with incremental and absolute tracks on the same encoder
- G01D5/2457—Incremental encoders having reference marks
-
- 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
- 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
- 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)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Actuator (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP34490192A JP3226124B2 (ja) | 1992-12-24 | 1992-12-24 | 位置検出装置 |
JP5000831A JPH06201400A (ja) | 1993-01-06 | 1993-01-06 | 位置検出装置 |
JP11314493A JP3217895B2 (ja) | 1993-05-14 | 1993-05-14 | 位置検出装置 |
JP11615193A JP3188041B2 (ja) | 1993-05-18 | 1993-05-18 | 位置検出装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
ITRM930841A0 true ITRM930841A0 (it) | 1993-12-22 |
ITRM930841A1 ITRM930841A1 (it) | 1995-06-22 |
IT1261950B IT1261950B (it) | 1996-06-04 |
Family
ID=27453254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITRM930841A IT1261950B (it) | 1992-12-24 | 1993-12-22 | Dispositivo rivelatore di posizione assiale di aste, in particolare steli di pistoni. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5461311A (it) |
KR (1) | KR970003620B1 (it) |
DE (1) | DE4344291C2 (it) |
IT (1) | IT1261950B (it) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19547686A1 (de) * | 1995-12-20 | 1997-06-26 | Indramat Gmbh | Elektrischer Synchron-Linearmotor und Verfahren zur Ermittlung des Kommutierungsoffsets eines Linearantriebs mit einem solchen elektrischen Synchron-Linearmotor |
EP0810420A3 (de) * | 1996-05-29 | 1998-04-15 | Vibro-Meter AG | Positionsmesssystem |
US6232767B1 (en) | 1996-08-23 | 2001-05-15 | Canon Kabushiki Kaisha | Method and apparatus for detecting wheel revolution using magnetic field |
JP3531375B2 (ja) * | 1996-09-03 | 2004-05-31 | ソニー・プレシジョン・テクノロジー株式会社 | 変位量検出装置 |
JPH11160009A (ja) * | 1997-10-31 | 1999-06-18 | Samsung Heavy Ind Co Ltd | ストロークセンシングシリンダの絶対位置検出方法 |
EP1056989B1 (de) | 1998-02-21 | 2002-12-18 | Dr. Johannes Heidenhain GmbH | Verfahren zum betrieb eines positionsmesssystems und geeignetes positionsmesssystem hierzu |
US6404188B1 (en) * | 1998-03-19 | 2002-06-11 | Honeywell Inc | Single geartooth sensor yielding multiple output pulse trains |
JP4239042B2 (ja) * | 1998-06-19 | 2009-03-18 | 株式会社安川電機 | 2次元アブソリュート位置センサおよびロボット |
US6321590B1 (en) * | 1999-07-19 | 2001-11-27 | Kayaba Industry Co., Ltd. | Leakage measuring device |
DE10318692A1 (de) * | 2003-04-24 | 2004-11-25 | Siko Gmbh Dr.-Ing. G. Wandres | Verfahren und Positionserfassung eines sich bewegenden Elementes |
WO2004099724A2 (en) | 2003-05-06 | 2004-11-18 | Sri International | Hydraulic cylinder with piston and a magnetic layer on the piston rod for piston position determination |
EP1775559A1 (en) * | 2004-07-12 | 2007-04-18 | NOK Corporation | Magnetic encoder |
DE112005001650B4 (de) * | 2004-07-14 | 2012-06-06 | Tenneco Automotive Operating Company Inc. | Stossdämpfer mit integriertem Verschiebungssensor |
US7259553B2 (en) | 2005-04-13 | 2007-08-21 | Sri International | System and method of magnetically sensing position of a moving component |
DE102005031333A1 (de) * | 2005-07-05 | 2007-01-11 | Zf Friedrichshafen Ag | Positionsdetektion an einer Stange |
US8749372B2 (en) * | 2007-06-15 | 2014-06-10 | Shell Oil Company | Remote monitoring systems and methods |
DE102008020455A1 (de) * | 2008-04-23 | 2009-10-29 | Carl Freudenberg Kg | Magnetischer Encoder |
WO2010086585A1 (en) | 2009-01-27 | 2010-08-05 | Renishaw Plc | Magnetic encoder apparatus |
EP2226514B1 (de) * | 2009-03-06 | 2011-12-21 | SICK STEGMANN GmbH | Vorrichtung zur Messung der axialen Position einer Kolbenstange bezüglich eines Zylindergehäuses |
WO2011100412A2 (en) * | 2010-02-11 | 2011-08-18 | Sri International | Displacement measurement system and method using magnetic encodings |
CN102782457B (zh) * | 2010-03-03 | 2015-11-25 | 株式会社捷太格特 | 旋转角检测装置 |
CN102859327B (zh) * | 2010-04-16 | 2015-03-11 | 株式会社捷太格特 | 旋转角检测装置 |
US8456114B2 (en) | 2010-05-27 | 2013-06-04 | Hamilton Sundstrand Corporation | Motor bus voltage commutation method |
DE102011078717A1 (de) | 2011-07-06 | 2013-01-10 | Continental Teves Ag & Co. Ohg | Einrichtung zur Messung von Winkel und Winkelgeschwindigkeit oder Weg und Geschwindigkeit |
WO2015136690A1 (ja) * | 2014-03-14 | 2015-09-17 | 三菱電機株式会社 | 磁気式位置検出装置、磁気式位置検出方法 |
US10327667B2 (en) | 2016-05-13 | 2019-06-25 | Becton, Dickinson And Company | Electro-magnetic needle catheter insertion system |
US11344220B2 (en) | 2016-05-13 | 2022-05-31 | Becton, Dickinson And Company | Invasive medical device cover with magnet |
US11826522B2 (en) | 2016-06-01 | 2023-11-28 | Becton, Dickinson And Company | Medical devices, systems and methods utilizing permanent magnet and magnetizable feature |
US11116419B2 (en) * | 2016-06-01 | 2021-09-14 | Becton, Dickinson And Company | Invasive medical devices including magnetic region and systems and methods |
US20170347914A1 (en) | 2016-06-01 | 2017-12-07 | Becton, Dickinson And Company | Invasive Medical Devices Including Magnetic Region And Systems And Methods |
US11413429B2 (en) | 2016-06-01 | 2022-08-16 | Becton, Dickinson And Company | Medical devices, systems and methods utilizing permanent magnet and magnetizable feature |
US10032552B2 (en) | 2016-08-30 | 2018-07-24 | Becton, Dickinson And Company | Cover for tissue penetrating device with integrated magnets and magnetic shielding |
EP3855257A1 (de) * | 2020-01-22 | 2021-07-28 | Siemens Aktiengesellschaft | Verfahren zur überwachung einer fehlersicheren funktion von sensoren in einem motor |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3132337A (en) * | 1960-09-12 | 1964-05-05 | Ibm | Variable reluctance slotted drum position indicating device |
IT1043269B (it) * | 1975-10-10 | 1980-02-20 | Magneti Marelli Spa | Sistema di inviduazione di una pluralita di posizioni angolaridi un organo rotante |
US4142153A (en) * | 1977-02-17 | 1979-02-27 | Sperry Rand Corporation | Tachometer for measuring speed and direction of shaft rotation with a single sensing element |
JPS54163061A (en) * | 1978-06-15 | 1979-12-25 | Nippon Denso Co | Revolution positional detector |
DE3486351T2 (de) * | 1983-07-27 | 1995-02-16 | Sony Magnescale Inc | Detektorkopf. |
JP2554465B2 (ja) * | 1985-08-09 | 1996-11-13 | 株式会社 エスジー | アブソリユ−ト位置検出装置 |
US4771237A (en) * | 1986-02-19 | 1988-09-13 | Panametrics | Method and apparatus for calibrating a displacement probe using a polynomial equation to generate a displacement look-up table |
DE3617254A1 (de) * | 1986-05-22 | 1987-11-26 | Heidenhain Gmbh Dr Johannes | Messeinrichtung |
WO1988006717A1 (en) * | 1987-02-24 | 1988-09-07 | Renishaw Plc | Scales for position determining apparatus |
US4851771A (en) * | 1987-02-24 | 1989-07-25 | Kabushiki Kaisha Yaskawa Denki Seisakusho | Magnetic encoder for detection of incremental and absolute value displacement |
US4972332A (en) * | 1987-07-28 | 1990-11-20 | Caterpillar Inc. | Apparatus for determining the speed, angular position and direction of rotation of a rotatable shaft |
JP3029657B2 (ja) * | 1990-09-28 | 2000-04-04 | カヤバ工業株式会社 | 位置検出装置 |
JPH086259Y2 (ja) * | 1990-10-30 | 1996-02-21 | 株式会社小松製作所 | 直線位置検出装置 |
-
1993
- 1993-12-16 US US08/168,728 patent/US5461311A/en not_active Expired - Lifetime
- 1993-12-22 IT ITRM930841A patent/IT1261950B/it active IP Right Grant
- 1993-12-23 DE DE4344291A patent/DE4344291C2/de not_active Expired - Fee Related
- 1993-12-24 KR KR1019930029467A patent/KR970003620B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5461311A (en) | 1995-10-24 |
DE4344291A1 (de) | 1994-06-30 |
DE4344291C2 (de) | 1996-05-09 |
IT1261950B (it) | 1996-06-04 |
KR940015329A (ko) | 1994-07-20 |
KR970003620B1 (ko) | 1997-03-20 |
ITRM930841A1 (it) | 1995-06-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |