ATE350588T1 - Präzisionssensor eines hydraulischen stellgliedes - Google Patents
Präzisionssensor eines hydraulischen stellgliedesInfo
- Publication number
- ATE350588T1 ATE350588T1 AT04009658T AT04009658T ATE350588T1 AT E350588 T1 ATE350588 T1 AT E350588T1 AT 04009658 T AT04009658 T AT 04009658T AT 04009658 T AT04009658 T AT 04009658T AT E350588 T1 ATE350588 T1 AT E350588T1
- Authority
- AT
- Austria
- Prior art keywords
- spool
- transducer
- lead screw
- axis
- contacting
- Prior art date
Links
Classifications
-
- 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
- F15B15/283—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using a cable wrapped on a drum and attached to the piston
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D5/00—Control of dimensions of material
- G05D5/02—Control of dimensions of material of thickness, e.g. of rolled material
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Actuator (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Fluid-Pressure Circuits (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10488698P | 1998-10-20 | 1998-10-20 | |
| US09/302,701 US6234061B1 (en) | 1998-10-20 | 1999-04-30 | Precision sensor for a hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE350588T1 true ATE350588T1 (de) | 2007-01-15 |
Family
ID=26802046
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT04009658T ATE350588T1 (de) | 1998-10-20 | 1999-10-18 | Präzisionssensor eines hydraulischen stellgliedes |
| AT99970715T ATE298045T1 (de) | 1998-10-20 | 1999-10-18 | Feinsensor eines hydraulischen zylinders |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT99970715T ATE298045T1 (de) | 1998-10-20 | 1999-10-18 | Feinsensor eines hydraulischen zylinders |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6234061B1 (de) |
| EP (1) | EP1123464B1 (de) |
| AT (2) | ATE350588T1 (de) |
| AU (1) | AU1446900A (de) |
| CA (1) | CA2346678C (de) |
| DE (2) | DE69934729T2 (de) |
| WO (1) | WO2000023717A1 (de) |
Families Citing this family (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6694861B2 (en) * | 1998-10-19 | 2004-02-24 | Control Products Inc. | Precision sensor for a hydraulic cylinder |
| US7290476B1 (en) * | 1998-10-20 | 2007-11-06 | Control Products, Inc. | Precision sensor for a hydraulic cylinder |
| DE10028930A1 (de) * | 2000-06-10 | 2002-01-03 | Deere & Co | Bodenbearbeitungsgerät |
| WO2003029753A2 (en) * | 2001-10-03 | 2003-04-10 | Measurement Specialties, Inc. | Modular non-contacting position sensor |
| US7552671B2 (en) * | 2002-01-04 | 2009-06-30 | Parker-Hannifin Corporation | Cylinder with fiber optical position sensing device and method |
| AU2003202877A1 (en) * | 2002-01-04 | 2003-07-24 | Parker Hannifin Corporation | Cylinder with optical sensing device and method |
| US7093361B2 (en) * | 2002-01-23 | 2006-08-22 | Control Products, Inc. | Method of assembling an actuator with an internal sensor |
| USD476242S1 (en) | 2002-03-21 | 2003-06-24 | Control Products, Inc. | Sensor for internal mounting in a cylinder |
| US6866545B2 (en) * | 2003-03-10 | 2005-03-15 | Control Products, Inc., (Us) | Electrical cordset with integral signal conditioning circuitry |
| US6935204B2 (en) | 2003-10-31 | 2005-08-30 | Caterpillar Inc | Automated manual transmission and shift method |
| US7197974B2 (en) * | 2004-01-15 | 2007-04-03 | Control Products Inc. | Position sensor |
| US7609055B2 (en) * | 2004-07-21 | 2009-10-27 | Control Products, Inc. | Position sensing device and method |
| US7300289B2 (en) * | 2005-09-30 | 2007-11-27 | Control Products Inc. | Electrical cordset having connector with integral signal conditioning circuitry |
| DE102005058776B4 (de) * | 2005-12-09 | 2018-03-01 | Zf Friedrichshafen Ag | Vorrichtung zum Steuern und/oder Regeln eines hydraulisch betätigbaren Schaltelementes einer Getriebeeinrichtung und Getriebeeinrichtung |
| DE202006001807U1 (de) | 2006-02-02 | 2007-06-06 | Sensor-Technik Wiedemann Gmbh | Meßanordnung mit Magnet |
| SE529291C2 (sv) * | 2006-06-27 | 2007-06-19 | Hagloef Sweden Ab | Elektroniskt måttband |
| DE102006062129B4 (de) | 2006-12-22 | 2010-08-05 | Wirtgen Gmbh | Straßenbaumaschine sowie Verfahren zur Messung der Frästiefe |
| US8482607B2 (en) * | 2008-03-10 | 2013-07-09 | Timothy David Webster | Position sensing of a piston in a hydraulic cylinder using a photo image sensor |
| US7982459B2 (en) * | 2008-06-30 | 2011-07-19 | Eaton Corporation | Hydraulic cylinder rod position sensing method |
| US8146417B2 (en) * | 2009-06-03 | 2012-04-03 | Control Products, Inc. | Hydraulic accumulator with position sensor |
| BE1018847A3 (nl) * | 2009-07-30 | 2011-10-04 | Cnh Belgium Nv | Een balenpers met een frictiesensor. |
| US8156798B1 (en) * | 2010-07-09 | 2012-04-17 | Hongfeng Bi | High pressure high temperature fluid densitometer |
| US8558408B2 (en) | 2010-09-29 | 2013-10-15 | General Electric Company | System and method for providing redundant power to a device |
| US20120134783A1 (en) | 2010-11-30 | 2012-05-31 | General Electric Company | System and method for operating a compressor |
| US8278779B2 (en) | 2011-02-07 | 2012-10-02 | General Electric Company | System and method for providing redundant power to a device |
| US9234735B2 (en) * | 2012-06-26 | 2016-01-12 | Control Products, Inc. | System and method of manufacture for a linear position sensor |
| US10279443B2 (en) | 2014-06-02 | 2019-05-07 | Reel Power Licensing Corp. | Accumulator assembly fixture |
| US10006763B2 (en) | 2014-06-02 | 2018-06-26 | Reel Power Licensing Corp. | Accumulator assembly fixture |
| FR3027037B1 (fr) * | 2014-10-13 | 2018-01-26 | Groupe Mecalac | Porte-outil pour engin de chantier ou de travaux publics |
| US10246946B2 (en) | 2015-03-25 | 2019-04-02 | Columbia Trailer Co., Inc. | Method and apparatus for transporting and steering a heavy load |
| US10358876B2 (en) | 2015-07-22 | 2019-07-23 | Columbia Trailer Co., Inc. | Method and apparatus for transporting and steering a heavy load |
| US10113883B1 (en) | 2016-01-08 | 2018-10-30 | Control Products, Inc. | Hybrid sensor system and method of use |
| US10563678B2 (en) | 2016-08-09 | 2020-02-18 | Industries Mailhot, Inc. | Pressure vessel arrangement providing piston position feedback, pressure vessel, and method for providing piston position feedback in a pressure vessel |
| GB2554655B (en) * | 2016-09-30 | 2019-10-02 | Caterpillar Inc | A hydraulic actuator arrangement |
| WO2020036609A1 (en) | 2018-08-17 | 2020-02-20 | Columbia Trailer Co., Inc. | Method and apparatus for transporting and steering a heavy load |
| US10779506B1 (en) * | 2018-10-24 | 2020-09-22 | Matthew J. Ulrich | Fully automated, sensor-driven, catch system for a hydraulic livestock squeeze chute |
| US11692563B2 (en) | 2020-01-28 | 2023-07-04 | Caterpillar Paving Products Inc. | Milling machine having a valve current based height measurement system |
| US11629735B2 (en) | 2020-01-28 | 2023-04-18 | Caterpillar Paving Products Inc. | Milling machine having a fluid flow based height measurement system |
| US11255059B2 (en) | 2020-01-28 | 2022-02-22 | Caterpillar Paving Products Inc. | Milling machine having a non-contact leg-height measurement system |
| US11578737B2 (en) | 2020-03-12 | 2023-02-14 | Caterpillar Paving Products Inc. | Distance based actuator velocity calibration system |
| US11566387B2 (en) | 2020-03-12 | 2023-01-31 | Caterpillar Paving Products Inc. | Relative velocity based actuator velocity calibration system |
| IT202100028070A1 (it) | 2021-11-04 | 2023-05-04 | Tpi S R L | “trasduttore di posizione lineare senza contatto.” |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3403365A (en) * | 1964-05-04 | 1968-09-24 | Gen Electric | Shielded transducer having means to reduce core movement |
| DE2635614A1 (de) | 1976-08-07 | 1978-02-09 | Georg Rudolf Sillner | Regelpotentiometer |
| US4121504A (en) | 1977-01-21 | 1978-10-24 | Inovec, Inc. | Cylinder positioning systems |
| US4286386A (en) * | 1977-09-06 | 1981-09-01 | Long Irvin E | Electro-mechanical displacement measuring device |
| SE419709B (sv) | 1979-02-21 | 1981-08-24 | Roland Kaufeldt | Sett och anordning for att astadkomma snabb gang och mjuk inbromsning samt ett noggrant bestemt slutlege hos en rorlig robotram |
| US4231700A (en) | 1979-04-09 | 1980-11-04 | Spectra-Physics, Inc. | Method and apparatus for laser beam control of backhoe digging depth |
| US4288196A (en) | 1979-06-14 | 1981-09-08 | Sutton Ii James O | Computer controlled backhoe |
| US4386552A (en) * | 1980-06-16 | 1983-06-07 | Foxwell W John | Power cylinder with internally mounted position indicator |
| US4945221A (en) | 1987-04-24 | 1990-07-31 | Laser Alignment, Inc. | Apparatus and method for controlling a hydraulic excavator |
| US4841246A (en) | 1987-12-29 | 1989-06-20 | Eaton Corporation | Multiturn shaft position sensor having magnet movable with nonrotating linear moving nut |
| GB2216268B (en) | 1988-03-31 | 1992-04-15 | Schlumberger Ind Ltd | Rotary displacement transducers |
| DE3835782A1 (de) | 1988-10-20 | 1990-04-26 | Rexroth Mannesmann Gmbh | Vorrichtung zum messen von drehwinkeln |
| JPH02186102A (ja) * | 1989-01-10 | 1990-07-20 | Nakamura Koki Kk | ピストン型アキュムレータのピストン位置検知装置 |
| FR2674294B1 (fr) | 1991-03-22 | 1993-12-17 | Etudes Montages | Verin hydraulique a positionnement de tige mobile asservi. |
| US5341724A (en) * | 1993-06-28 | 1994-08-30 | Bronislav Vatel | Pneumatic telescoping cylinder and method |
| US5404661A (en) | 1994-05-10 | 1995-04-11 | Caterpillar Inc. | Method and apparatus for determining the location of a work implement |
| US5694042A (en) | 1995-09-15 | 1997-12-02 | Turck, Inc. | Angular displacement sensor for rotationally reciprocating elements |
| US5701793A (en) | 1996-06-24 | 1997-12-30 | Catepillar Inc. | Method and apparatus for controlling an implement of a work machine |
| US5752811A (en) | 1996-11-15 | 1998-05-19 | Petro; John P. | Linear actuator mechanism for converting rotary to linear movement including one end pulley Line attached to the stationary anchor and other end attached to the take-up drum |
-
1999
- 1999-04-30 US US09/302,701 patent/US6234061B1/en not_active Expired - Lifetime
- 1999-10-18 DE DE69934729T patent/DE69934729T2/de not_active Expired - Lifetime
- 1999-10-18 AT AT04009658T patent/ATE350588T1/de not_active IP Right Cessation
- 1999-10-18 DE DE69925851T patent/DE69925851T2/de not_active Expired - Lifetime
- 1999-10-18 EP EP99970715A patent/EP1123464B1/de not_active Expired - Lifetime
- 1999-10-18 WO PCT/US1999/024287 patent/WO2000023717A1/en not_active Ceased
- 1999-10-18 AU AU14469/00A patent/AU1446900A/en not_active Abandoned
- 1999-10-18 AT AT99970715T patent/ATE298045T1/de not_active IP Right Cessation
- 1999-10-18 CA CA002346678A patent/CA2346678C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1123464A1 (de) | 2001-08-16 |
| CA2346678A1 (en) | 2000-04-27 |
| DE69925851T2 (de) | 2006-05-11 |
| US6234061B1 (en) | 2001-05-22 |
| WO2000023717A1 (en) | 2000-04-27 |
| DE69934729T2 (de) | 2007-10-18 |
| DE69934729D1 (de) | 2007-02-15 |
| AU1446900A (en) | 2000-05-08 |
| ATE298045T1 (de) | 2005-07-15 |
| EP1123464B1 (de) | 2005-06-15 |
| CA2346678C (en) | 2007-11-20 |
| WO2000023717A9 (en) | 2001-02-01 |
| DE69925851D1 (de) | 2005-07-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |