EP2401511A1 - Hydrospeicher, hydraulikeinrichtung mit einem solchen hydrospeicher und zugehörige datenübertragungsvorrichtung - Google Patents
Hydrospeicher, hydraulikeinrichtung mit einem solchen hydrospeicher und zugehörige datenübertragungsvorrichtungInfo
- Publication number
- EP2401511A1 EP2401511A1 EP10704500A EP10704500A EP2401511A1 EP 2401511 A1 EP2401511 A1 EP 2401511A1 EP 10704500 A EP10704500 A EP 10704500A EP 10704500 A EP10704500 A EP 10704500A EP 2401511 A1 EP2401511 A1 EP 2401511A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hydraulic accumulator
- data memory
- data
- hydraulic
- reading
- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
-
- 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
-
- 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
- F15B2201/00—Accumulators
- F15B2201/20—Accumulator cushioning means
- F15B2201/205—Accumulator cushioning means using gas
-
- 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
- F15B2201/00—Accumulators
- F15B2201/30—Accumulator separating means
- F15B2201/315—Accumulator separating means having flexible separating means
- F15B2201/3151—Accumulator separating means having flexible separating means the flexible separating means being diaphragms or membranes
-
- 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
- F15B2201/00—Accumulators
- F15B2201/40—Constructional details of accumulators not otherwise provided for
- F15B2201/41—Liquid ports
- F15B2201/411—Liquid ports having valve 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
- F15B2201/00—Accumulators
- F15B2201/40—Constructional details of accumulators not otherwise provided for
- F15B2201/415—Gas ports
- F15B2201/4155—Gas ports having valve 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
- F15B2201/00—Accumulators
- F15B2201/50—Monitoring, detection and testing means for accumulators
-
- 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
- F15B2201/00—Accumulators
- F15B2201/50—Monitoring, detection and testing means for accumulators
- F15B2201/51—Pressure detection
Definitions
- Hydraulic accumulator hydraulic device with such a hydraulic accumulator and associated data transmission device
- the invention relates to a hydraulic accumulator for receiving at least a partial volume of a liquid under pressure, a hydraulic device with such a hydraulic accumulator and an associated data transmission device.
- Hydraulic accumulator can perform various tasks in a hydraulic device, such as energy storage, fluid reserve, emergency or pressure shock absorption.
- Known hydraulic accumulators have a separating element, by which two working spaces are separated from one another. By a movement of the separating element within the hydraulic accumulator, the size of at least one working space is variable. If one of the two working spaces is filled with gas, it is called hydropneumatic storage.
- a pressure fluid accumulator is known with a housing whose interior is divided by a medium separating element into two chambers, wherein the first chamber with a medium, in particular with a gas, and the second chamber is filled with a liquid, and wherein a valve is provided, the closing body is actuated by the media separating element and which allows filling of the second chamber with liquid and prevents complete emptying of the second chamber.
- the housing has a space separated from the chambers and the media with a measuring means for sensing the position of the media separating element.
- a hydraulic actuator which has a control and a driven by a drive pump which pumps hydraulic fluid from a reservoir for use in at least one actuating cylinder.
- a drive pump which pumps hydraulic fluid from a reservoir for use in at least one actuating cylinder.
- DE 199 17 210 A1 discloses a method for monitoring the gas pre-charge pressure in hydraulic accumulators, in which, after interrupting the pressure supply to the oil side of the reservoir and emptying the contents to the tank, the current gas temperature and the current gas pressure are determined upon reaching the temperature compensation, and the data relating thereto are transmitted telemetrically to a spatially remote evaluation device in order to calculate an actual value of the gas pre-charge pressure corresponding to a reference temperature.
- a method and a device for supplying electrical loads in or on a pneumatic device with electrical supply energy is known.
- the pneumatic device is connected via a pneumatic line to a pressure source.
- the energy transfer to the pneumatic device via the pneumatic line by means of sound waves, microwaves, pressure changes or a gas flow in the pneumatic line.
- a conversion of this transferred energy into the electrical supply energy takes place in or on the pneumatic device.
- electrical lines for power supply can be omitted and the energy transfer takes place solely via the pneumatic line.
- the invention has for its object to provide a hydraulic accumulator and a hydraulic device with such a hydraulic accumulator, which overcome the disadvantages of the prior art.
- a hydraulic accumulator is to be provided, which ensures even higher reliability.
- the operating state of the hydraulic accumulator can be reliably determined and monitored, preferably also automated and by a
- the present invention is also based on the object to provide an associated data transmission device for the equipment of a hydraulic device with a hydraulic accumulator according to the invention.
- the intended for receiving at least a partial volume of a pressurized liquid is intended for receiving at least a partial volume of a pressurized liquid
- Hydro Appendix which may be a hydropneumatic memory, a housing having at least one connection point for connecting the hydraulic accumulator to a hydraulic device.
- a data memory is part of the hydraulic accumulator such that the data stored in the data memory can be read out electronically from the data memory by means of a reading and / or writing device arranged outside the hydraulic accumulator.
- the hydraulic fluid in the hydraulic accumulator is loaded with weight or spring force or charged with gas.
- weight or spring accumulators are suitable for special industrial applications. Gas acted memory without separator are due to the
- the data memory can be integrally incorporated in the hydraulic accumulator, for example, cast or injected into a connection flange or in an outer jacket of the hydraulic accumulator, or on the Hydro accumulator preferably be determined from the outside insoluble, for example by gluing, welding or the like. It may be advantageous if the data memory is not recognizable from the outside. For some applications, however, it may be advantageous if the location of the attachment of the data memory to the hydraulic accumulator is recognizable from the outside, for example by the data memory itself is recognizable or by a mark is attached to the appropriate location. The data memory is preferably not beyond the contour of the hydraulic accumulator. As a result, hydraulic accumulators according to the invention can also be used for already existing and installed hydraulic devices.
- the data memory is arranged close to or on an outer surface of the hydraulic accumulator such that the data memory can also be read out in a state of the hydraulic accumulator connected to the hydraulic device.
- the data can preferably also be read during operation of the hydraulic device.
- the distance between the data memory and the reading and / or writing device can be minimized thereby, whereby a secure data transmission even with low electrical power is possible.
- the data memory near or at a connection part of the hydraulic accumulator for connection to the
- Hydraulic device may be arranged, or near a closable gas connection opening of the housing of the hydraulic accumulator.
- a separating element is arranged in the housing of the hydraulic accumulator, are separated by the two working spaces.
- the data memory can be arranged in one of the two working spaces or connected to one of the two work spaces such that a parameter of a medium in the working space, in particular a fluid, can be detected by the data memory and stored at least temporarily in the data memory.
- the data store is preferably arranged in a working space filled with gas, preferably with an inert gas such as, for example, nitrogen.
- the data memory may have a sensor element, for example for
- the pressure in the gas space can be determined and, for example, a warning signal can be sent from the data memory to the assigned reading and / or writing device or to a control device if the pressure falls below and / or exceeds a predefinable value.
- the data specifying the hydraulic accumulator may be stored in the data memory.
- This may be, for example, data that allow identification only of the type of hydraulic accumulator, for example, in terms of the permissible medium of
- Hydraulic device the maximum permissible temperature of the medium of the hydraulic device, the maximum allowable operating pressure, the dimensions, the date of manufacture and the like.
- data may be stored which allows identification of the individual hydraulic accumulator, for example a unique and preferably continuous serial number. As far as this is data that are already determined during the production of the hydraulic accumulator, this data can be stored in a non-rewritable and be stored only readable memory area of the data memory, so that they are immutable and in particular not manipulated.
- Operating data of the hydraulic accumulator such as the date of commissioning, the type and duration of use, the operating pressures that occur and the like.
- This data can be stored in an at least write-once memory area of the data memory, preferably in a write-once memory area in which a continuous logging of the hydraulic accumulator can be stored.
- the data to be written in can be provided with a fixed date stamp.
- the writing of these data is preferably carried out via the reading and / or writing device. If this memory area can only be written once, it is ensured that the operating data can not be manipulated retrospectively. This is advantageous in terms of warranty claims that could be made in the event of failure of the hydraulic accumulator.
- the feature that the data can only be written into the data memory once can be implemented by software measures, for example by having each memory address usable only once for writing and then no longer available, or by hardware measures, for example by irreversible memory operations during writing done, for example, by melting of connecting lines.
- the data transmission between reading and / or writing device and data storage can be conventional, in particular wired, for example via a defined or even standardized interface.
- the data transmission between the data memory and the reading and / or writing device takes place wirelessly.
- the data is wireless, for example by electromagnetic waves, from the
- Data storage readable and wirelessly writable in the data storage.
- the data memory operates according to the transponder principle and is ready for data transmission only after a corresponding and possibly by codewords secured stimulation of the reading and / or writing device.
- the data from the data memory can be read out by the data memory or an associated receiving unit modifying, for example attenuating, a signal emitted by the reading and / or writing device in accordance with the stored data, or modulating it in a predeterminable manner, for example by Change in the amplitude, phase or frequency of the electromagnetic field according to the stored data.
- the reading and / or writing device has a receiving unit, which receives the modified signal and optionally demodulates, and thereby extracts the data of the data memory.
- the energy required for the operation of the data memory is transferable from the reading and / or writing device to the data memory or to a receiving unit associated with the data memory and connected to the data memory.
- the energy transfer occurs without contact, for example by providing a sufficiently strong electromagnetic field, or by intensive light irradiation, optionally in the infrared range or the like.
- the data memory is preferably designed as a semiconductor chip or chip and may, for example, peripheral circuits for receiving and transmitting as well as for writing and reading data.
- the data memory may contain a so-called Radio Frequency Identification (RFID) element or even be formed by such an element alone.
- RFID Radio Frequency Identification
- the data are preferably stored in digital form and non-volatile, that is, even after switching off the power supply, the data is retained.
- the transmitting element of the data memory for example a transmitting / receiving coil
- the transmitting element of the data memory is designed separately from the actual data memory, for example the semiconductor chip.
- this transmitting element is formed integrally from the data memory, for example, the transmitting receiving antenna is integrated on the semiconductor chip. This is particularly advantageous in a data transmission by radio waves with a frequency of above 100 MHz, preferably above 500 MHz or even 1 GHz, because this very small sizes are possible.
- the data can each be assigned to a hydraulic accumulator Identification, for example, with an address associated with the hydraulic accumulator.
- an antenna extending outside the data memory is arranged for signal coupling between the data memory and the reading and / or writing device.
- the antenna may extend at least in sections around a longitudinal axis of the hydraulic accumulator and thereby ensure a signal coupling between the data memory and the reading and / or writing device, regardless of the angular position of the hydraulic accumulator in the installed state and the attached data memory.
- the antenna may extend over an angular range of more than 90 ° about the longitudinal axis of the hydraulic accumulator, preferably more than 180 ° and in particular more than 270 °.
- the antenna may be arranged at or near an axial end of the hydraulic accumulator and in particular extend around the connection point for connecting the hydraulic accumulator to the hydraulic device.
- the antenna is electrically connectable by an electrical connector to the data memory.
- the antenna can be replaceably fixed to the hydraulic accumulator, whereby, for example, an adaptation of the range to the installation conditions or a directivity to the associated writing and / or reading device can be realized.
- the invention also relates to a hydraulic device having a hydraulic accumulator according to the invention, wherein a shut-off valve is connected to the connection point, and a control device connected to the reading and / or writing device and controlling the shut-off valve before each opening of the shut-off valve by means of the reading and / or writing device read data from the data memory of the hydraulic accumulator and the shut-off valve only opens and thus connects the hydraulic accumulator with the other components of the hydraulic device, if previously by the reading and / or writing device from the data memory
- the hydro memory specifiable data can be read out.
- the invention also relates to a data transmission device for a hydraulic device having at least one hydraulic accumulator, in particular a hydropneumatic accumulator, for receiving at least a partial volume of a pressurized fluid, wherein the hydraulic accumulator has a housing with at least one connection point for connecting the hydraulic accumulator to the hydraulic device.
- the data transmission device has a reading and / or writing device which is part of the hydraulic device or can be fixed on the hydraulic device such that data stored in a data memory of the hydraulic accumulator can be electronically read by means of the reading and / or writing device.
- a control device which may also be integrated into the reading and / or writing device, continuously, at predetermined intervals and / or event-related parameters relating to the operation of the hydraulic accumulator in the hydraulic device in the data storage inscribed. It may be data that are determined locally at the location of the hydraulic accumulator, for example, the operating pressure occurring in the hydraulic accumulator, or to data that are specified by a parent and several reading and / or writing instruments controlling control device, such as data concerning the maximum permissible operating pressure of the hydraulic device. Using data read from the data memory, such as operating time, operating pressure, operating pressure variations, operating temperature and the like, a controller may calculate the remaining operating time or service life of the hydraulic accumulator until the next service.
- the calculation can be carried out in the reading and / or writing device itself, or the reading and / or writing device transmits this data to a control device.
- the control device can, in particular, monitor and control a plurality of hydraulic accumulators equipped in accordance with the invention in a corresponding manner and, for example, control the hydraulic device when a critical operating state is reached in such a way that other hydraulic accumulators are switched on.
- the data read from the data memory and / or data calculated or derived therefrom can be signaled to a display device at the location of the hydraulic accumulator, for example by a luminous means for signaling an impending change of the hydraulic accumulator, by acoustic signal transmitters or the like.
- the energy for the operation of the data transmission device can be provided either via electrical supply lines, wherein optionally a single-pole supply line is sufficient if the piping system of the hydraulic device is used as a second electrode.
- a signal line can also be used the unipolar supply line, for example by the signals are superimposed as high-frequency signals of the power supply line.
- the energy for operating the data memory is obtained locally at the location of the hydraulic accumulator, for example from the Energy of the medium of the hydraulic system, from a difference in the electrochemical potentials of the medium and its environment by a galvanic element, and / or from a temperature difference between the medium and its environment using the SEEBECK effect, for example using a thermoelectric generator, for example one PELTIER element. It may be advantageous if the data transmission device also has an energy store, for example a conventional accumulator or a capacitive energy store.
- Fig. 1 shows a schematic representation of an inventive
- Fig. 2 shows a perspective view of the data memory and the associated antenna.
- Fig. 1 shows a schematic representation of a hydraulic accumulator 1 according to the invention for receiving at least a partial volume of a liquid under pressure only partially shown
- the hydraulic accumulator 1 has a housing 12 with a connection point 14 for connecting the hydraulic accumulator 1 to the hydraulic device 10.
- a separating element 16 in the illustrated embodiment, a membrane, arranged by the two work spaces 18, 20 are separated from each other.
- the liquid In the first working space 18 is the liquid, which is connected via the connection point 14 and an optionally provided shut-off valve 22 with the hydraulic device 10 in connection.
- the second working space 20 is a gas, preferably an inert gas such as nitrogen, which is compressible and whose pressure substantially corresponds to the pressure of the liquid in the first working space 18.
- the second working space 20 can be filled via a shut-off element 24 from the outside with gas, for which purpose in the exemplary embodiment, the shut-off element 24 may be connected to a filling line 26.
- gas losses can be compensated for automatically or controlled by a control device 36, or a specifiable pressure can also be set during operation of the hydraulic accumulator 1.
- the hydraulic accumulator 1 has a first data memory 28.
- the data stored in the first data memory 28 are electronically readable. Alternatively or additionally, data can also be written into the first data memory 28 via the reading and / or writing device 30.
- the first data memory 28 is arranged outside the two working chambers 18, 20, in particular outside the housing 12 of the hydraulic accumulator 1 in the region of the connection point 14.
- In the first data memory 28 are stored in a preferably non-rewritable and read-only memory area data that allow identification of the hydraulic accumulator 1, preferably even an identification of the individual hydraulic accumulator 1, for example, based on a serial number assigned only once.
- the data can be stored at least partly coded or uncoded.
- the data transmission between the first data memory 28 and the reading and / or writing device 30 is wireless.
- the first data memory 28 operates according to the transponder principle and responds to a corresponding stimulation by the reading and / or writing device 30, for example by means of electromagnetic waves.
- the first data memory 28 can have an energy source, for example an electrochemical or capacitive energy store, and / or the first data memory 28 can be connected to an electrical supply line.
- the energy required for the operation of the first data memory 28 is contactlessly transferable from the reading and / or writing device 30 to the first data memory 28 or to a receiving unit connected to the first data memory 28, for example by an electromagnetic field.
- the hydraulic accumulator 1, alternatively or in addition to the first data memory 28, a second data memory 32 which is disposed within the first working space 28.
- the second data memory 32 may have at least one sensor element for detecting the pressure and / or the temperature and / or further essential parameters of the fluid of the hydraulic device 10. This data can be stored at least temporarily in the second data memory 32 and / or transferred directly or on call to the reading and / or writing device 30.
- the hydraulic accumulator 1 can alternatively or additionally have a third data memory 34 in the second working space 20, which likewise can have at least one sensor element with which the pressure and / or the temperature and / or a further parameter of the present in the second working space 20 gas can be determined and stored at least temporarily for preferably wireless transmission to the reading and / or writing device 30th
- the reading and / or writing device 30 is in communication with a control device 36, which may be connected to a plurality of such reading and / or writing devices 30 and / or other components of the hydraulic device 10.
- the control device 36 can control the shut-off valve 22 and / or the shut-off element 24.
- the connection between the reading and / or writing device 30 and the control device 36 can take place either via a data line 38, which can also provide a power supply to the reading and / or writing device 30, or also wirelessly, for example by means of a wireless local area network (FIG. WIRELESS INTERNET ACCESS).
- the control device 36 for example, by querying the data memory 28, 32 34 first check whether a suitable for the given application hydraulic accumulator 1 is present, and also read the previous operating data of the hydraulic accumulator 1 from the data memory 28, 32, 34 and from this the remaining Calculate operating duration of the hydraulic accumulator 1, and connect the hydraulic accumulator 1 by opening the shut-off valve 22 to the hydraulic device 10 only with appropriate data.
- control device 36 can query the status of the hydraulic accumulator 1 continuously by reading the data memory 28, 32, 34 at regular or irregular time intervals or due to the event. In a corresponding manner, data can also be fed into the data memory 28, 32, 34 via the reading and / or writing device 30 be written to store, for example, operating parameters to which the hydraulic accumulator 1 was exposed in the previous operation.
- the hydraulic accumulator 1 used corresponds to the specifications required for the respective application.
- an identification number of the hydraulic accumulator 1 prescribed by the control device 36 can be interrogated.
- the data read from the data memory 28, 32, 34 can in particular be checked to see whether it is a hydraulic accumulator 1 of the prescribed type, for example a hydraulic accumulator 1 of the original manufacturer, if the hydraulic accumulator 1 has the required pressure resistance, or if the remaining service life is still sufficient and the like.
- the maintenance interval can be individually adjusted by the hydraulic accumulator 1 according to the invention.
- the antenna 40 extends around a longitudinal axis 42 of the hydraulic accumulator around, in the illustrated embodiment by about 300 °. As a result, a signal coupling is ensured regardless of the angular position of the hydraulic accumulator 1.
- the antenna 40 may be accessible from outside the hydraulic accumulator 1.
- the antenna 40 may be detachably connectable to the first data memory 28, for example using an electrical connector 44.
- individually suitable antennas may be used, for example, a range of the wireless connection between the first data memory 28 and the reading and / or writing device 30th adjust and / or to provide a directivity of the wireless connection.
- the second and / or third data memory 32, 34 may also have such an antenna 40.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18152495.0A EP3348844B1 (de) | 2009-02-26 | 2010-01-30 | Hydrospeicher, hydraulikeinrichtung mit einem solchen hydrospeicher und zugehörige datenübertragungsvorrichtung |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009010775A DE102009010775A1 (de) | 2009-02-26 | 2009-02-26 | Hydrospeicher, Hydraulikeinrichtung mit einem solchen Hydrospeicher und zughörige Datenübertragungsvorrichtung |
| PCT/EP2010/000562 WO2010097153A1 (de) | 2009-02-26 | 2010-01-30 | Hydrospeicher, hydraulikeinrichtung mit einem solchen hydrospeicher und zugehörige datenübertragungsvorrichtung |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18152495.0A Division-Into EP3348844B1 (de) | 2009-02-26 | 2010-01-30 | Hydrospeicher, hydraulikeinrichtung mit einem solchen hydrospeicher und zugehörige datenübertragungsvorrichtung |
| EP18152495.0A Division EP3348844B1 (de) | 2009-02-26 | 2010-01-30 | Hydrospeicher, hydraulikeinrichtung mit einem solchen hydrospeicher und zugehörige datenübertragungsvorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2401511A1 true EP2401511A1 (de) | 2012-01-04 |
| EP2401511B1 EP2401511B1 (de) | 2018-03-14 |
Family
ID=45090769
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10704500.7A Active EP2401511B1 (de) | 2009-02-26 | 2010-01-30 | Hydrospeicher, hydraulikeinrichtung mit einem solchen hydrospeicher und zugehörige datenübertragungsvorrichtung |
| EP18152495.0A Active EP3348844B1 (de) | 2009-02-26 | 2010-01-30 | Hydrospeicher, hydraulikeinrichtung mit einem solchen hydrospeicher und zugehörige datenübertragungsvorrichtung |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18152495.0A Active EP3348844B1 (de) | 2009-02-26 | 2010-01-30 | Hydrospeicher, hydraulikeinrichtung mit einem solchen hydrospeicher und zugehörige datenübertragungsvorrichtung |
Country Status (1)
| Country | Link |
|---|---|
| EP (2) | EP2401511B1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4092276A1 (de) * | 2021-05-21 | 2022-11-23 | Roth Hydraulics GmbH | Verfahren zur zustandsüberwachung eines hydraulikspeichers und hydraulikspeicher |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8318673D0 (en) * | 1983-07-11 | 1983-08-10 | Ici Plc | Containers |
| DE3518985A1 (de) * | 1985-05-25 | 1986-11-27 | Alfred Teves Gmbh, 6000 Frankfurt | Vorrichtung zur ueberwachung oder steuerung des hilfsdruckes in einer hydraulischen anlage |
| DE9005139U1 (de) * | 1990-05-07 | 1990-07-12 | Suttner GmbH & Co KG, 4800 Bielefeld | Hydropneumatischer Druckspeicher |
| FR2685519A1 (fr) * | 1991-12-20 | 1993-06-25 | Gemplus Card Int | Systeme pour l'identification de recipients et notamment de bouteilles de gaz. |
| DE19917210A1 (de) | 1999-04-16 | 2000-10-26 | Hydac Technology Gmbh | Verfahren zur Überwachung des Gas-Vorfülldruckes bei Hydrospeichern |
| DE19929431A1 (de) | 1999-06-26 | 2000-12-28 | Mannesmann Sachs Ag | Hydraulischer Stellantrieb |
| DE19942509A1 (de) | 1999-09-07 | 2001-04-05 | Festo Ag & Co | Verfahren und Vorrichtung zur Versorgung von elektrischen Verbrauchern in oder an einer pneumatischen Vorrichtung mit elektrischer Versorgungsenergie |
| JP3513096B2 (ja) * | 2000-09-25 | 2004-03-31 | トヨタ自動車株式会社 | アキュムレータおよびアキュムレータの異常検出装置 |
| DE10207598A1 (de) | 2001-02-23 | 2002-11-07 | Continental Teves Ag & Co Ohg | Druckmittelspeicher |
| US20060055531A1 (en) * | 2004-09-14 | 2006-03-16 | Honeywell International, Inc. | Combined RF tag and SAW sensor |
-
2010
- 2010-01-30 EP EP10704500.7A patent/EP2401511B1/de active Active
- 2010-01-30 EP EP18152495.0A patent/EP3348844B1/de active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2010097153A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2401511B1 (de) | 2018-03-14 |
| EP3348844B1 (de) | 2021-04-21 |
| EP3348844A1 (de) | 2018-07-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE102009061010B4 (de) | Hydraulikeinrichtung mit einem Hydrospeicher | |
| EP2237848B1 (de) | Filter mit einem datenspeicher mit antenne zur signalübertragung | |
| EP2417385B1 (de) | Verschlussvorrichtung, gehäuseteil eines schmiermittelbehälters, diagnosesystem und diagnoseverfahren zur überwachung des betriebszustands eines schmiermittels in dem gehäuseteil | |
| WO2014198491A1 (de) | Verfahren zur parametrierung eines feldgerätes | |
| DE102009002762A1 (de) | Gerät zur Überwachung einer oder mehrerer Prozessgrößen | |
| DE102011012946A1 (de) | Einstellung des Drucks in einem Fahrzeugreifen | |
| WO2010094301A1 (de) | Feldgerät zur prozessinstrumentierung | |
| DE112015005528T5 (de) | Kontrollgerät und Verfahren zur Bestimmung der Betriebsbereitschaft einer mit einem Druckmedium betriebenen Vorrichtung | |
| WO2016096548A1 (de) | Hydrozylinder mit einer messeinrichtung | |
| DE102019112214A1 (de) | Verfahren zur Steuerung einer Luftfederungsanlage eines Fahrzeugs | |
| DE102019001436A1 (de) | Verfahren zum Ermitteln eines Speicherdruckes nebst zugehöriger Vorrichtung | |
| DE102019101675A1 (de) | Mess-Deckel zum Verschließen einer Deckelöffnung von Flüssigkeitsbehältnissen, Diagnosesystem und Kraftfahrzeug mit einem solchen Diagnosesystem | |
| WO2006050934A1 (de) | Filterelement und zugehörige datenübertragungsvorrichtung | |
| EP3676110B1 (de) | Anhänger-steuervorrichtung zum montieren an einem anhänger | |
| EP2401511B1 (de) | Hydrospeicher, hydraulikeinrichtung mit einem solchen hydrospeicher und zugehörige datenübertragungsvorrichtung | |
| EP1743227A1 (de) | Elektrisches feldgerät für die prozessautomatisierung | |
| WO1994004898A1 (de) | Ultraschall-prüfeinrichtung für gasdruckspeicher | |
| DE102015202624A1 (de) | Stelleinrichtung mit Steuerungsmodul | |
| EP4086400B1 (de) | Kanalinspektions- und/oder wartungssystem | |
| WO1992021012A1 (de) | Verfahren zum messen des druckes eines gases in einem gasdruckspeicher und vorrichtung zum durchführen desselben | |
| EP3201593B1 (de) | Prüfscheibensystem | |
| WO2019238465A1 (de) | System umfassend eine lufttrocknereinheit für eine luftaufbereitungsanlage und ein zählwerk sowie verfahren hierzu | |
| EP4253765A2 (de) | Vorrichtung zur aufrechterhaltung einer hydraulikversorgung eines nutzfahrzeugs | |
| DE102018112723A1 (de) | Modulare Messvorrichtung für eine Arbeitsmaschine und System zur Bereitstellung von Messdaten für eine Arbeitsmaschine | |
| DE102005023410B4 (de) | Verfahren zur Erfassung von in der Hydraulikflüssigkeit eines hydraulischen Kreislaufs eingeschlossenem Gas |
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 |
|
| 17P | Request for examination filed |
Effective date: 20110716 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR |
|
| DAX | Request for extension of the european patent (deleted) | ||
| 17Q | First examination report despatched |
Effective date: 20151120 |
|
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
| INTG | Intention to grant announced |
Effective date: 20170921 |
|
| GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR |
|
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP Ref country code: AT Ref legal event code: REF Ref document number: 979178 Country of ref document: AT Kind code of ref document: T Effective date: 20180315 |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502010014751 Country of ref document: DE |
|
| REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20180314 |
|
| REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LT 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: 20180314 Ref country code: CY 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: 20180314 Ref country code: FI 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: 20180314 Ref country code: NO 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: 20180614 Ref country code: HR 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: 20180314 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: 20180314 |
|
| 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: 20180314 Ref country code: LV 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: 20180314 Ref country code: GR 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: 20180615 Ref country code: BG 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: 20180614 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MT 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: 20180314 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: EE 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: 20180314 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: 20180314 Ref country code: PL 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: 20180314 Ref country code: RO 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: 20180314 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SK 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: 20180314 Ref country code: CZ 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: 20180314 Ref country code: SM 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: 20180314 |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502010014751 Country of ref document: DE |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT 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: 20180716 |
|
| 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 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20180314 |
|
| 26N | No opposition filed |
Effective date: 20181217 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SI 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: 20180314 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC 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: 20180314 |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190130 |
|
| REG | Reference to a national code |
Ref country code: BE Ref legal event code: MM Effective date: 20190131 |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190131 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190131 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190131 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190130 |
|
| REG | Reference to a national code |
Ref country code: AT Ref legal event code: MM01 Ref document number: 979178 Country of ref document: AT Kind code of ref document: T Effective date: 20190130 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR 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: 20180314 |
|
| 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: 20190130 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IS 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: 20180714 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO Effective date: 20100130 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MK 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: 20180314 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20251208 Year of fee payment: 17 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20260131 Year of fee payment: 17 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20260115 Year of fee payment: 17 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20260128 Year of fee payment: 17 |