EP1872019A1 - Drive device comprising a position controller - Google Patents
Drive device comprising a position controllerInfo
- Publication number
- EP1872019A1 EP1872019A1 EP06707111A EP06707111A EP1872019A1 EP 1872019 A1 EP1872019 A1 EP 1872019A1 EP 06707111 A EP06707111 A EP 06707111A EP 06707111 A EP06707111 A EP 06707111A EP 1872019 A1 EP1872019 A1 EP 1872019A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive
- drive device
- space
- regulator cartridge
- cartridge
- 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
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
- F15B15/2853—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using potentiometers
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1433—End caps
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1438—Cylinder to end cap assemblies
-
- 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
- F15B15/202—Externally-operated valves mounted in or on the actuator
-
- 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
-
- 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
- F15B15/2892—Means for indicating the position, e.g. end of stroke characterised by the attachment means
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/085—Servomotor systems incorporating electrically operated control means using a data bus, e.g. "CANBUS"
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1466—Hollow piston sliding over a stationary rod inside the cylinder
-
- 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
Definitions
- a drive device having a fluid-actuated drive which has a drive housing defining a drive space in which at least one drive piston which is linearly adjustable by fluid loading and motion-coupled with an output part is located, and with one for positioning the at least one drive Drive piston competent, a control electronics and a valve device having positioner, which is part of a regulator cartridge, the spatially from the drive i5 axially opposite side through an installation opening through as a unit in an integrally extending the drive housing axially following the drive space defined receiving space the drive housing is inserted.
- the positioner is received directly in the housing of the fluid-operated drive.
- the installation is very simple, because the positioner belongs to a unit called a regulator cartridge, which is in the form of a cartridge in a dedicated space in
- the regulator cartridge inserted into the drive housing at the same time forms a closure lid which closes the installation opening of the receiving space.
- This can be dispensed with an otherwise possibly required separate cap.
- the cap in the Interacting with the drive housing at the same time also specify the depth of insertion of the regulator cartridge. This is particularly advantageous if the regulator cartridge is a plug-in part that can be inserted into the receiving space as part of a pure insertion process.
- the end wall and the closure lid are expediently combined via one or more spacer elements to a support structure carrying the control electronics and the valve device.
- spacer elements For example, a plurality of spaced-apart rod-like spacer elements can be provided which are fixed at one end to the end wall and at the other end to the closure lid.
- the control electronics and the valve device are expediently located in the intermediate space defined between the end wall and the closure lid.
- fluidic and electrical interfaces are preferably provided on the regulator cartridge, so that no corresponding measures must be taken on the drive housing. This allows a very simple production of the drive housing.
- the electrical control from the outside can be done both wired and wireless.
- a supply interface is expediently located underneath the electrical interfaces, to which the supply gap required for the operation of the positioner can be created.
- at least one control interface is provided which serves, in particular, to supply control signals corresponding to the desired position set value by applying a more or less high control current.
- At least one drive interface can also be designed as a bus interface, which enables communication with an external electronic control device, wherein the positioner can be designed accordingly to enable a drive using different bus protocols.
- state values can be retrieved using the operating elements, which can then be visualized via the display means.
- the operating elements and / or display means are expediently electrically connected to an auxiliary electronics system which is additionally present in addition to the control electronics, which is expediently accommodated in the interior of the closure lid and in this case can be constructed on a printed circuit board.
- This auxiliary electronics in conjunction with a suitably equipped control interface, may include bus electronics adapted to the respective protocol to be processed.
- a position measuring device for the drive piston or a component coupled to it - in simplified terms "piston position" - is suitable electronic position-measuring device available. This can have a protruding into the drive space, preferably rod-like measuring component, which is a part of the regulator cartridge and automatically placed in place during installation of the regulator cartridge in place in the arrival- 5. Expediently, the measuring component dips more or less deeply into the drive piston as a function of the instantaneous axial position of the associated drive piston and a piston rod optionally connected thereto, acting as the output part.
- the drive device can be designed to generate either a linear or a rotary output movement of the output part.
- the fluid-operated drive is then either a linear drive or a rotary drive, wherein in the case of the rotary drive, the linear movement of at least one drive piston is converted into a rotational movement of the driven part.
- FIG. 1 shows a preferred first embodiment of the drive device according to the invention in a longitudinal section
- FIG. 2 shows the drive device from FIG. 1 in a rear view with a viewing direction according to arrow II from FIG. 1, and FIG
- Figure 3 shows a simplified representation of the drive device according to Figures 1 and 2 with remote from the drive housing control cartridge at the moment of insertion into the receiving space.
- the drive device provided in its entirety with reference numeral 1 contains as essential components a fluid-actuated drive 2 and a positioner 3 associated therewith.
- the drive 2 has a housing designated as a drive housing 4 with an elongated housing component, which is formed, in particular, by a one-piece tube body 5, preferably produced by extrusion.
- a housing designated as a drive housing 4 with an elongated housing component, which is formed, in particular, by a one-piece tube body 5, preferably produced by extrusion.
- the tubular body 5 is closed by a bearing cap 7, which simultaneously forms the front axial boundary of a drive housing 4 formed in the drive chamber 8, the back by a in the interior 9 of the tubular body 5 inserted end wall 12 is limited.
- a driven part 17 which is coupled in a coupled manner with the drive piston 14 is accessible outside the drive housing 4 and has there a mechanical interface 18 for connection to a component to be actuated, for example a slide of a shut-off valve used in the process industry.
- the drive movement 13 of the drive piston 14 causes an output movement 22 which can be tapped off at the interface in order to open or close a shut-off valve, for example.
- the output member 17 is formed as a piston rod, the bearing cap 7 under linear Füh- tion and sealed. It performs a linear output movement 22 in accordance with the drive movement 13.
- first Ulkaitimer 15 opens via the bearing cap 7, a first fluid channel 23.
- the 5 rear working chamber 16 is connected to a the end wall 12 passing through the second fluid channel 24 in connection.
- a fluidic pressure medium can be supplied and removed in a controlled manner, in order to displace the drive piston 14 linearly in one or the other direction or to hold it in a specific position.
- the fluidbetätig- te drive 2 is different from the exemplary linear drive a rotary drive.
- the drive space 8 there are then expediently two drive pistons which are linearly adjustable in opposite directions by applying fluid and which mesh via racks with a pinion which is arranged on a shaft which rotates in the drive housing 4 and acts as a driven part, which is perpendicular to the direction of the drive.
- the positioner 3 is characterized in that its various components, in particular its control electronics 26 and its electrically verifiable valve means 27, are not housed individually or separately in the receiving space 25, but on a designated as a regulator cartridge 28 assembly, as the components they executed are and the cartridge-like entg from the front 6.
- genforen back 32 is used as a self-supporting unit axially into the receiving space 25.
- the insertion movement is indicated in Figure 3 at 33 by an arrow.
- the installation and, if necessary, uninstalling the positioner 3 is very simplified because only the all relevant components having regulator cartridge 28 must be inserted or pulled out in the drive housing 4.
- the regulator cartridge 28 is designed as a plug-in part, which can be installed and removed without superimposed turning or screwing alone by a purely axial movement. In principle, however, a superimposed rotary motion would also be possible, in particular towards the end of the insertion movement 33.
- the drive space 8 in the interior of the one-piece component 5 of the drive housing 4 axially delimiting end wall 12 is an integral part of the regulator cartridge 28. Thus, there is a separate installation of the end wall 12. This is automatically installed at the onset of the regulator cartridge 28 and placed at the desired location in the interior of the drive housing 4.
- the end wall 12 carries in the region of its outer circumference a ring encircling seal 35 which is in sealing contact with the inner surface of the tubular body 5.
- the end wall 12 is formed in the embodiment of a disk body, the outline of the cross section of the
- the seal 35 may be fixed in a circumferential groove of this disk body.
- the closure lid 36 in cooperation with the drive housing 4 at the same time also performs a limiting function by setting the insertion depth of the regulator cartridge 28.
- this is achieved in that the closure lid 36 has a larger cross-section than the receiving space 25, so that it at the rear end face 37 of the tubular body 5 comes to rest when the desired insertion depth is reached.
- a not shown in the drawing centering collar on the axial inner surface of the closure lid 36 expediently 5 inserted a bit into the receiving space 25 and provides in combination with the end wall 12 for an exact coaxial alignment of the regulator cartridge 28 with respect to the drive housing.
- the end wall 12 and the closure lid 36 are connected by lo axially between them extending spacer elements 38 to form a rigid support structure 42 firmly together and held at an axial distance from each other.
- the spacer elements 38 are preferably rod-shaped and arranged in a uniform circumferential distribution. In the exemplary embodiment, three such spacers 38 are provided.
- this multiple arrangement of rod-shaped spacer elements 38 has the advantage that there remain window-like recesses therebetween which, with the regulator cartridge 28 uninstalled, provide lateral access to the components of the position.
- the valve device 27 has two working ports 43, 44, which are each connected to one of the fluid channels 23, 24. About these working ports 43, 44, the drive fluid with respect to the working chambers 15, 16 is supplied and removed.
- An advantage of the illustrated design is that although the regulator cartridge 28 has a relative to the drive housing. se 4 is a separate component, the required fluidic connection to the fluid channels 23, 24 is automatically when the regulator cartridge 28 has been inserted into its receiving space 25.
- the regulator cartridge 28 includes a first and a second control channel 45, 46.
- the second control channel 46 is identical to the above-mentioned second fluid channel 24. It passes through the end wall 12 and opens directly into the adjoining rear working chamber 16. It is connected to the one working connection 44 via a preferably flexible fluid line 47a.
- the second control channel 46 passes through the closure cap 36. It is connected at one end to the other working port 43 via a fluid line 47b.
- this first control channel 45 opens at the end face 37 facing the lid surface, so that it aligns with the there opening out the first fluid channel 23 which passes through the wall of the tubular body 5 axially and opens via the bearing cap 7 in the front working chamber 15.
- the abovementioned fluidic and electrical interfaces 52, 53 are expediently located on or in the closure lid 36. In this case, they are preferably placed on the outer end face of the closure lid 36 axially opposite the drive space 8 and are thus accessible from the rear side of the drive device 1.
- the fluidic interfaces 52 include a supply interface 52a and a disposal interface 52b.
- a fluid connection to a pressure source 48a, which supplies the working medium, can be established at the supply interface 52a via a detachably connectable external fluid line 54.
- a silencer 55 may be installed at the disposal interface 52b as shown, allowing for low-noise venting to the immediate environment. Otherwise, a fluid line leading away the spent medium can also be connected to the disposal interface 52b.
- the operating energy or operating voltage required for the operation of the valve device 27 is fed via one of the electrical interfaces 53, which functions as an electrical supply interface 53a. In the most Cases are here 24 volts. At least one additional electrical control interface 53b allows the input of an electrical control signal, which acts as a setpoint for the desired axial position of the drive piston 14. The setpoint is processed in the control electronics 26 and causes an electrical control signal for the valve means 27, which accordingly causes the fluid admission of the two working chambers 15, 16.
- the existing or an additional drive interface 53b may be designed as a bus interface in order to be able to connect a bus which communicates with an external electronic control device 48c. Control signals as well as feedback signals can be returned via this bus.
- the drive device 1 is equipped with a position measuring device 63.
- This includes a rod-shaped measuring component 64, which is designed as part of the regulator cartridge 28 and extends axially from the end wall 12 into the drive chamber 8. Conveniently, the measuring component 64 is thereby attached to the end wall 12 that it passes through under sealing and is detachably screwed. Via electrical conductors 65, the measuring component 64 is electrically connected within the receiving space 25 with the control electronics 26.
- the measuring component 64 includes a linear potentiometer arranged in a protective tube 70 with a slider 66 bridging the conductor tracks, which is motion-coupled to the drive piston 14 by magnetic force. The latter carries in the embodiment at its the receiving space 25 facing the back of a permanent magnet means 67, which ensures that the slider 66 is always taken, so that a dependent of the linear position position signal is generated.
- the rod-shaped measuring component 64 is immersed in the drive piston 14 and the subsequent output part 17 position-dependent more or less.
- Drive piston 14 and driven part 17 are at least partially hollow for this purpose.
- the position measuring device 63 could also be based on another operating principle. It is essential to produce an electrical actual value corresponding to the actual position of the drive piston 14 or the output part 17, which is compared in the control electronics 26 with the externally setpoint value in order to activate the valve device 27 in such a way that the drive piston 14 is in the desired position Target position is shifted.
- the measuring component 64 is a component of the regulator cartridge 28, it is installed together with the latter in the drive housing 4 or uninstalled if necessary. During installation, it is inserted into the cavity of the drive piston 14 of the driven part 17.
- auxiliary electronics 62 which includes at least one circuit board, which is equipped with manually operable controls 68 and optical display means 69.
- operation-relevant data can be displayed, for example set value and actual value of the position control and / or the current operating mode, for example manual operating mode or automatic mode.
- the display means 69 contain this particular an alphanumeric display.
- the operating elements 68 may be, for example, switches or push-buttons, via which the operation of the device can be controlled manually and / or entered and / or queried via the operating parameters.
- the control of the actuator 3 by an external electronic control device can also be done wirelessly.
- at least one correspondingly formed electrical interface is present on the regulator module 28, which is assigned, in particular, to a receiver and transmission electronics. This can also include a web browser.
- a position-controlled positioning of the drive piston 14 takes place via the positioner 3.
- valve device 27 in such a case expediently has a differential pressure proportional valve for controlling the two working chambers 15, 16 and pressure sensors for detecting the pressures prevailing in the working chambers 15, 16 are present.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Actuator (AREA)
- Vehicle Body Suspensions (AREA)
- Body Structure For Vehicles (AREA)
- Coating Apparatus (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200520006795 DE202005006795U1 (en) | 2005-04-22 | 2005-04-22 | Drive unit has position regulator as component part of regulating cartridge which is provided for positioning of drive piston and has electronic regulator and valve unit |
PCT/EP2006/001532 WO2006114147A1 (en) | 2005-04-22 | 2006-02-21 | Drive device comprising a position controller |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1872019A1 true EP1872019A1 (en) | 2008-01-02 |
EP1872019B1 EP1872019B1 (en) | 2009-11-04 |
Family
ID=34802371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06707111A Not-in-force EP1872019B1 (en) | 2005-04-22 | 2006-02-21 | Drive device comprising a position controller |
Country Status (7)
Country | Link |
---|---|
US (1) | US7520208B2 (en) |
EP (1) | EP1872019B1 (en) |
CN (1) | CN101163891B (en) |
AT (1) | ATE447673T1 (en) |
DE (2) | DE202005006795U1 (en) |
DK (1) | DK1872019T3 (en) |
WO (1) | WO2006114147A1 (en) |
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US8448563B2 (en) * | 2008-08-29 | 2013-05-28 | Cowan Dynamics Inc. | Fluid-powered actuator having an internal position sensor and a sensor module therefor |
DE202009004673U1 (en) | 2008-08-29 | 2010-01-28 | Liebherr-Werk Ehingen Gmbh | Piston-cylinder unit |
CN101429955B (en) * | 2008-12-11 | 2011-06-29 | 哈尔滨工程大学海能科技有限责任公司 | Servo pipe positioning fluid driver |
CA2675497A1 (en) * | 2009-08-18 | 2011-02-18 | Tcb Welding And Construction Ltd. | Switching assembly for a hydraulic pump jack |
DE202009014670U1 (en) * | 2009-10-30 | 2011-03-17 | Tipper Tie Technopack Gmbh | Positionable pneumatic cylinder |
US9909601B2 (en) * | 2010-11-16 | 2018-03-06 | Illinois Tool Works Inc. | Motor control |
DE102011013730B4 (en) | 2011-03-12 | 2013-11-28 | Heike Bedoian | Device for changing a locking state |
CN103075385A (en) * | 2011-10-26 | 2013-05-01 | 北京精密机电控制设备研究所 | Electric servo oil cylinder |
DE102012003230B3 (en) * | 2012-02-20 | 2013-03-21 | Festo Ag & Co. Kg | Process valve has control head, which is formed by base body having coupling device for fixing valve housing and terminal portion to connect fluid conductor |
US9128008B2 (en) * | 2012-04-20 | 2015-09-08 | Kent Tabor | Actuator predictive system |
CN104395616B (en) * | 2012-07-20 | 2016-08-17 | 博格华纳公司 | internal position sensor |
DE102013007927B4 (en) * | 2013-05-10 | 2014-12-24 | Hoerbiger Automatisierungstechnik Holding Gmbh | drive unit |
CN103591079B (en) * | 2013-11-28 | 2016-05-04 | 苏州蓝王机床工具科技有限公司 | Novel hydraulic cylinder |
DE102014013018A1 (en) * | 2014-09-02 | 2016-03-03 | Hydac System Gmbh | Hydraulic system |
DE102014013443B4 (en) * | 2014-09-11 | 2018-05-24 | Festo Ag & Co. Kg | valve drive |
DE102014013390A1 (en) * | 2014-09-11 | 2016-03-17 | Festo Ag & Co. Kg | Pneumatic valve drive |
CN104265735A (en) * | 2014-10-16 | 2015-01-07 | 山东同力液压装备有限公司 | Precise-displacement non-contact hydraulic cylinder |
CN104847863B (en) * | 2015-03-17 | 2017-04-05 | 北京理工大学 | A kind of Electro-hydraulic Hybrid Type straight-line motion mechanism |
WO2016202353A1 (en) * | 2015-06-15 | 2016-12-22 | Festo Ag & Co. Kg | Rotary drive with functional module arrangement |
CN105202253A (en) * | 2015-10-12 | 2015-12-30 | 罗普阀业(宜兴)有限公司 | Three-position pneumatic actuator |
ES2865264T3 (en) | 2017-07-14 | 2021-10-15 | Hydraulique Production Systems | Hydraulic cylinder and installation using at least said one hydraulic cylinder |
CN107989850B (en) * | 2017-11-22 | 2020-08-18 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Engineering hydraulic oil cylinder with adjustable stroke |
US11719358B2 (en) | 2017-12-30 | 2023-08-08 | Itt Manufacturing Enterprises Llc | Switch for diaphragm valve actuator |
DE102019134807B4 (en) * | 2019-12-17 | 2023-05-04 | Festo Se & Co. Kg | Actuator for a pneumatic linear drive and method of assembling the actuator |
US20210324968A1 (en) * | 2020-04-21 | 2021-10-21 | Phaedrus, Llc | Steam injection valve actuator, system, and method |
CN114179343A (en) * | 2021-12-06 | 2022-03-15 | 盐城市智成机械制造有限公司 | Embossing machine capable of quickly adjusting working stroke |
DE102022004564A1 (en) * | 2022-12-06 | 2024-06-06 | Bümach Engineering International B.V. | Method for producing a working cylinder with a position sensor |
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US3828556A (en) * | 1973-01-26 | 1974-08-13 | Johnson Service Co | Hydraulic actuator |
JPS523987A (en) * | 1975-06-27 | 1977-01-12 | Kondo Seisakusho:Kk | Hydraulic drive device |
CN85102322B (en) * | 1985-04-01 | 1988-04-20 | 费斯托合资公司 | Slide-like driving means |
DE3524414C2 (en) * | 1985-04-16 | 1994-06-16 | Mannesmann Ag | linear actuator |
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DE20004976U1 (en) * | 2000-03-17 | 2000-05-31 | Festo AG & Co, 73734 Esslingen | Fluid operated linear actuator |
DE10021744A1 (en) | 2000-05-04 | 2001-11-15 | Festo Ag & Co | Device for adjusting the differential pressure in a fluid cylinder |
DE50103472D1 (en) * | 2001-02-22 | 2004-10-07 | Festo Ag & Co | WORKING CYLINDER |
CN2512929Y (en) * | 2001-11-13 | 2002-09-25 | 费斯托(中国)有限公司 | Cylinder driving device |
-
2005
- 2005-04-22 DE DE200520006795 patent/DE202005006795U1/en not_active Expired - Lifetime
-
2006
- 2006-02-21 AT AT06707111T patent/ATE447673T1/en active
- 2006-02-21 CN CN2006800136556A patent/CN101163891B/en not_active Expired - Fee Related
- 2006-02-21 DE DE502006005291T patent/DE502006005291D1/en active Active
- 2006-02-21 US US11/662,510 patent/US7520208B2/en not_active Expired - Fee Related
- 2006-02-21 WO PCT/EP2006/001532 patent/WO2006114147A1/en not_active Application Discontinuation
- 2006-02-21 EP EP06707111A patent/EP1872019B1/en not_active Not-in-force
- 2006-02-21 DK DK06707111T patent/DK1872019T3/en active
Non-Patent Citations (1)
Title |
---|
See references of WO2006114147A1 * |
Also Published As
Publication number | Publication date |
---|---|
US7520208B2 (en) | 2009-04-21 |
WO2006114147A1 (en) | 2006-11-02 |
DE202005006795U1 (en) | 2005-07-21 |
EP1872019B1 (en) | 2009-11-04 |
DE502006005291D1 (en) | 2009-12-17 |
US20080060509A1 (en) | 2008-03-13 |
DK1872019T3 (en) | 2009-12-14 |
CN101163891B (en) | 2010-09-29 |
CN101163891A (en) | 2008-04-16 |
ATE447673T1 (en) | 2009-11-15 |
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