EP0721067A3 - Druckmittelbetätigte Zylinder-Kolben-Anordnung mit einem Magnetfeldsensor - Google Patents
Druckmittelbetätigte Zylinder-Kolben-Anordnung mit einem Magnetfeldsensor Download PDFInfo
- Publication number
- EP0721067A3 EP0721067A3 EP95120518A EP95120518A EP0721067A3 EP 0721067 A3 EP0721067 A3 EP 0721067A3 EP 95120518 A EP95120518 A EP 95120518A EP 95120518 A EP95120518 A EP 95120518A EP 0721067 A3 EP0721067 A3 EP 0721067A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- piston
- magnetic field
- field sensor
- fluid
- permanent magnet
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 title abstract 4
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- 239000000696 magnetic material Substances 0.000 abstract 1
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
- F15B15/2807—Position switches, i.e. means for sensing of discrete positions only, e.g. limit switches
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19500137 | 1995-01-04 | ||
| DE19500137A DE19500137A1 (de) | 1995-01-04 | 1995-01-04 | Druckmittelbetätigte Zylinder-Kolben-Anordnung mit einem Magnetfeldsensor |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0721067A2 EP0721067A2 (de) | 1996-07-10 |
| EP0721067A3 true EP0721067A3 (de) | 1998-02-11 |
| EP0721067B1 EP0721067B1 (de) | 2002-08-28 |
Family
ID=7750997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95120518A Expired - Lifetime EP0721067B1 (de) | 1995-01-04 | 1995-12-23 | Druckmittelbetätigte Zylinder-Kolben-Anordnung mit einem Magnetfeldsensor |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0721067B1 (de) |
| AT (1) | ATE223002T1 (de) |
| DE (2) | DE19500137A1 (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29607993U1 (de) * | 1996-05-03 | 1996-08-01 | Festo Kg, 73734 Esslingen | Kolben für einen Arbeitszylinder |
| DE19637296A1 (de) * | 1996-09-13 | 1998-03-19 | Wabco Gmbh | Kolben/Zylinder-Anordnung |
| DE19712829B4 (de) * | 1997-03-26 | 2005-02-17 | Sick Ag | Vorrichtung zur Erkennung der Position eines beweglichen Gegenstandes |
| DE19752671B4 (de) * | 1997-11-28 | 2006-11-23 | Ludwig Ehrhardt Gmbh | Blockzylinder zur Aufnahme und Führung von Werkzeugen auf einer Werkzeugmaschine oder auf einem Arbeitstisch |
| DE19756639A1 (de) * | 1997-12-19 | 1999-06-24 | Zahnradfabrik Friedrichshafen | Schalteinrichtung |
| DE19756637A1 (de) * | 1997-12-19 | 1999-06-24 | Zahnradfabrik Friedrichshafen | Schalteinrichtung |
| DE10053995A1 (de) | 2000-10-31 | 2002-05-08 | Continental Teves Ag & Co Ohg | In einen Hauptzylinder integrierter Signalgeber mit Hall-Sensor |
| DE10304551A1 (de) * | 2003-02-04 | 2004-08-12 | Mann + Hummel Gmbh | Stellelement mit Lageerkennung |
| DE10310428A1 (de) * | 2003-03-11 | 2004-09-30 | Hydac Technology Gmbh | Kolbenspeicher |
| DE102005030722A1 (de) * | 2005-07-01 | 2007-01-04 | Bosch Rexroth Teknik Ab | Druckmittelzylinder |
| CN102943784B (zh) * | 2012-11-19 | 2015-06-10 | 湖南特力液压有限公司 | 缸筒、液压缸及包含该液压缸的泵送设备 |
| DE202013010056U1 (de) * | 2013-11-07 | 2015-02-10 | Bümach Engineering International B.V. | Arbeitszylinder |
| DE102016210002A1 (de) * | 2016-06-07 | 2017-12-07 | Zf Friedrichshafen Ag | Getriebe mit einer Schalteinheit |
| CN109162996B (zh) * | 2018-11-06 | 2024-06-14 | 江苏中天科技电缆附件有限公司 | 深孔内壁应变片的粘贴装置 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0093859A2 (de) * | 1982-04-02 | 1983-11-16 | Robert Bosch Gmbh | Kolben für berührungslose Abtastung der Kolbenstellung |
| DE3510601A1 (de) * | 1985-03-23 | 1986-09-25 | Wabco Westinghouse Steuerungstechnik GmbH & Co, 3000 Hannover | Kolbeneinheit fuer einen arbeitszylinder mit einer einrichtung zum erfassen der kolbenposition |
| DE3738151A1 (de) * | 1986-11-13 | 1988-05-26 | Ckd Corp | Kolbenpositionsdetektor fuer druckmittelzylinder |
| US4896584A (en) * | 1986-10-22 | 1990-01-30 | Kurt Stoll | Piston-cylinder assembly |
| DE4116651A1 (de) * | 1990-07-03 | 1992-01-09 | Festo Kg | Arbeitszylinder |
| DE4122481A1 (de) * | 1991-07-06 | 1993-01-07 | Kuhnke Gmbh Kg H | Kolben-zylinder-anordnung |
| EP0620372A1 (de) * | 1993-04-15 | 1994-10-19 | Hydraulik Techniek | Druckmittelbetätigter Arbeitszylinder |
-
1995
- 1995-01-04 DE DE19500137A patent/DE19500137A1/de not_active Withdrawn
- 1995-12-23 EP EP95120518A patent/EP0721067B1/de not_active Expired - Lifetime
- 1995-12-23 AT AT95120518T patent/ATE223002T1/de not_active IP Right Cessation
- 1995-12-23 DE DE59510348T patent/DE59510348D1/de not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0093859A2 (de) * | 1982-04-02 | 1983-11-16 | Robert Bosch Gmbh | Kolben für berührungslose Abtastung der Kolbenstellung |
| DE3510601A1 (de) * | 1985-03-23 | 1986-09-25 | Wabco Westinghouse Steuerungstechnik GmbH & Co, 3000 Hannover | Kolbeneinheit fuer einen arbeitszylinder mit einer einrichtung zum erfassen der kolbenposition |
| US4896584A (en) * | 1986-10-22 | 1990-01-30 | Kurt Stoll | Piston-cylinder assembly |
| DE3738151A1 (de) * | 1986-11-13 | 1988-05-26 | Ckd Corp | Kolbenpositionsdetektor fuer druckmittelzylinder |
| DE4116651A1 (de) * | 1990-07-03 | 1992-01-09 | Festo Kg | Arbeitszylinder |
| DE4122481A1 (de) * | 1991-07-06 | 1993-01-07 | Kuhnke Gmbh Kg H | Kolben-zylinder-anordnung |
| EP0620372A1 (de) * | 1993-04-15 | 1994-10-19 | Hydraulik Techniek | Druckmittelbetätigter Arbeitszylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| DE59510348D1 (de) | 2002-10-02 |
| ATE223002T1 (de) | 2002-09-15 |
| EP0721067B1 (de) | 2002-08-28 |
| DE19500137A1 (de) | 1996-07-11 |
| EP0721067A2 (de) | 1996-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0721067A3 (de) | Druckmittelbetätigte Zylinder-Kolben-Anordnung mit einem Magnetfeldsensor | |
| CA2435179A1 (en) | Self-centering magnet assembly for use in a linear travel measurement device | |
| US4243899A (en) | Linear motor with ring magnet and non-magnetizable end caps | |
| AU6834596A (en) | Magnetic suspension system | |
| CA2161313A1 (en) | Proportional Variable Force Solenoid Control Valve and Transmission Fluid Control Device | |
| AU2560488A (en) | Improved magnetic sensing proximity detector | |
| AU4136301A (en) | Apparatus including eddy current braking system | |
| US4733212A (en) | Pulse latching solenoid | |
| DE59001330D1 (de) | Elektromagnet mit einem tauchanker. | |
| WO1997037517A3 (en) | A hall effect plasma accelerator | |
| AU7724391A (en) | Voice coil type actuator | |
| SE9202750D0 (sv) | Anordning foer positionering av kolvcylinderaggregat | |
| WO1997016736A3 (en) | A two axes linear position sensor | |
| CA2283209A1 (en) | Device for detecting the position of a moveable magnet for generating a magnetic field | |
| CA2312178A1 (en) | Magnetic apparatus for treating fluid fuels | |
| JPS57195339A (en) | Objective lens driver | |
| DE69431468D1 (de) | Rohrleitungsgerät | |
| JPS6469806A (en) | Piston position detecting apparatus of hydraulic cylinder | |
| EP0301845B1 (de) | Abtastvorrichtung | |
| SE9804324D0 (sv) | Solenoid med permanentmagnetankare samt förfarande för dess framställning | |
| RU2001109205A (ru) | Датчик положения зуба зубчатого колеса | |
| TW374122B (en) | Magnet system for an image-forming apparatus | |
| JPH0416004Y2 (de) | ||
| GB1454857A (en) | Direct current magnet | |
| JPH0425525Y2 (de) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT DE DK ES FR GB IE IT NL SE |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT DE DK ES FR GB IE IT NL SE |
|
| 17P | Request for examination filed |
Effective date: 19980520 |
|
| GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
| 17Q | First examination report despatched |
Effective date: 20011127 |
|
| GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
| GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
| GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT DE DK ES FR GB IE IT NL SE |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20020828 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT Effective date: 20020828 Ref country code: IE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20020828 Ref country code: GB Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20020828 Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20020828 |
|
| REF | Corresponds to: |
Ref document number: 223002 Country of ref document: AT Date of ref document: 20020915 Kind code of ref document: T |
|
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
| REF | Corresponds to: |
Ref document number: 59510348 Country of ref document: DE Date of ref document: 20021002 |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: GERMAN |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20021128 Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20021128 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20021223 |
|
| NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
| GBV | Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed] |
Effective date: 20020828 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20030228 |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: FD4D Ref document number: 0721067E Country of ref document: IE |
|
| EN | Fr: translation not filed | ||
| PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
| 26N | No opposition filed |
Effective date: 20030530 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20070222 Year of fee payment: 12 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080701 |