EP2780600A1 - Hydrospeicher - Google Patents
HydrospeicherInfo
- Publication number
- EP2780600A1 EP2780600A1 EP12732969.6A EP12732969A EP2780600A1 EP 2780600 A1 EP2780600 A1 EP 2780600A1 EP 12732969 A EP12732969 A EP 12732969A EP 2780600 A1 EP2780600 A1 EP 2780600A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- component
- hydraulic accumulator
- membrane
- storage space
- molding process
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/14—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces applying magnetic forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
- B21D39/046—Connecting tubes to tube-like fittings
-
- 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
- F15B1/10—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means
- F15B1/106—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means characterised by the way housing components are assembled
-
- 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
- F15B2201/30—Accumulator separating means
- F15B2201/315—Accumulator separating means having flexible separating means
- F15B2201/3156—Accumulator separating means having flexible separating means characterised by their attachment
-
- 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
- F15B2201/405—Housings
- F15B2201/4056—Housings characterised by the attachment of housing components
-
- 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
- F15B2201/60—Assembling or methods for making accumulators
- F15B2201/605—Assembling or methods for making housings therefor
Definitions
- the invention relates to a hydraulic accumulator according to the preamble of
- Patent claim 1 State of the art
- Hydraulic accumulators in particular membrane accumulators, can be used in hydrosystems for energy storage.
- the hydraulic accumulators are pressure vessels, with receiving spaces in which a certain usable volume of a liquid medium can be stored. It will be the
- Compressibility of a gaseous medium used to pressurize the liquid medium with pressure Compressibility of a gaseous medium used to pressurize the liquid medium with pressure.
- a diaphragm is shared by a diaphragm in a diaphragm accumulator
- Reception room in which the liquid medium is receivable, from a storage space.
- a gaseous, compressible medium is added in the storage space.
- the receiving space in which the liquid medium
- the compressed gaseous medium can expand and push back the liquid medium received in the receiving space into the hydraulic circuit.
- a currently commercially available diaphragm accumulator generally consists of two housing shells in which a membrane is mounted by means of a clamping ring.
- the assembly of the clamping ring is carried out manufacturer-specific.
- the two housing shells are sealed by means of a welding process. Furthermore, a filling of the diaphragm storage takes place with a gas via a supply line. Then the memory space of the
- housing shells that are positively connected with each other.
- the positive connection is produced by forming at least one of the components.
- tools with considerable forces act on the components. These tools can lead to damage to the outer surface of the components. Specifically, scratches, dents or scratches can occur.
- a positive joining within a pressure chamber is difficult to implement.
- a hydraulic accumulator can be imprinted with a kind of geometric unbalance, which can in particular lead to problems of tightness and / or firmness.
- the invention is therefore based on the object of specifying a hydraulic accumulator which, after trouble-free production, exhibits a very reliable leak-tightness, high strength, as undamaged surface as possible and as rotationally symmetrical a construction as possible in the joining region of the components.
- the outer surface of the hydraulic accumulator is free of dents, scratches or other irregularities. Furthermore, it has been recognized that such a shaping method allows forces to act so uniformly on a rotationally symmetrical component of the hydraulic accumulator that it is uniformly deformed without imbalance in the radial direction.
- such a molding process can apply such a bias to a sealing surface of the membrane that it is possible to dispense with a clamping ring.
- the molding process reduces the parts and assembly steps that for the production of a hydraulic accumulator, in particular a membrane storage, are necessary.
- a hydraulic accumulator which shows a very reliable tightness, high strength, a possible undamaged surface and a possible rotationally symmetrical structure in the joining region of the components after trouble-free production.
- the molding process could be electromagnetic pulse joining.
- the force acting on a current-carrying conductor in a magnetic field Lorentz force can be used for positive joining.
- this force is so strong and precise that a metallic component of considerable wall thickness is defined and uniformly deformable.
- a metallic component can be surprisingly pressed or bent in the radial direction to another component, quasi shrunk. The resulting forces act along the circumference of the
- Components fluid-tight with each other can be positively and / or cohesively connected.
- the components could also be connected to one another with a material fit.
- a material connection could be provided in order to increase the tightness of the hydraulic accumulator even further.
- At least one component could be made of a metal. Due to their electrical conductivity, metals can be joined by electromagnetic pulse joining. In particular, all electrically conductive ferrous and non-ferrous metals can be joined. against this background, at least one component could be made of aluminum. Due to the contactless molding process, this material, which in itself is only laboriously weldable, is developed for the production of hydraulic accumulators, in particular membrane accumulators. Further, at least one component could be made of steel. The steel could be cold extruded.
- a component could be made of plastic. It is conceivable to use thermoplastic or thermosetting plastics. Thus, a weight reduction of the hydraulic accumulator is possible.
- the fixed or electromagnetic component in the electromagnetic pulse joining can be made of plastic, wherein the other component is made of a metal.
- the components could form a storage space for a gaseous medium and a storage space for a liquid medium, wherein the
- Storage space is separated from the receiving space by a membrane and wherein the volumes of the storage space and the receiving space are variable. This allows the hydraulic accumulator to function as a diaphragm accumulator.
- Membrane can advantageously form with the components sealing surfaces by being clamped between them under bias. On a clamping ring for the membrane can be omitted.
- the storage space could be formed without a supply line. So can a more compact and provided with as few bulky connections
- Hydro expendix be made.
- Such a hydraulic accumulator has a process-reliable closure of the storage space.
- the hydraulic accumulator can be fitted in a pressurized mounting space.
- the pressure in the mounting space then substantially corresponds to the pressure in the storage space in the unloaded state of the hydraulic accumulator.
- the receiving space could have a socket formed on a first component.
- the nozzle is advantageously designed as a hexagon and therefore allows a slight flanging of the hydraulic accumulator to a
- the storage space could have a lead formed onto a second component.
- the pressure in the storage space is adjustable by refilling.
- a first component could be formed as a housing lower shell and a second component as a housing upper shell, wherein the edges of the housing lower shell or housing upper shell overlap each other and pinch a membrane between them. This allows the hydraulic accumulator to function as a diaphragm accumulator.
- the membrane may be advantageous with the
- a method for manufacturing a hydraulic accumulator of the type described here could use electromagnetic pulse joining as the molding method.
- a system for performing electromagnetic pulse joining consists essentially of a pulse generator and a tool coil.
- the pulse generator generates an electrical current that flows through the tool coil.
- a magnetic field is generated, which in turn induces a current in a component of electrically conductive material.
- Plastically deform component and to another component
- This molding process is contactless and does not damage the surfaces of the components.
- Metals can be brought closer together so that electrons can be exchanged between them.
- a first component could be provided, a membrane or sealant could be disposed between the first component and a second component, and the second component and / or the first component could be deformed by the molding process.
- the membrane or sealant could be biased by use of a clamping ring by deforming one of the components. So components can be saved. Concretely, one can
- Pretension be applied to the sealing bead of a membrane by a housing lower shell is deformed in a joining operation.
- the hydraulic accumulator could be assembled by the molding process in a mounting space in which there is a pressure that is above or below the atmospheric pressure.
- This method for producing a hydraulic accumulator is advantageously carried out in a mounting space in which a pressurized gas is received. In the mounting room, the gas is present, which in the
- Fig. 1 is designed as a diaphragm accumulator hydraulic accumulator having two positively and / or cohesively interconnected components, wherein the
- Fig. 2 another designed as a membrane memory
- Hydraulic accumulator having two positively and / or materially interconnected components, wherein the upper edge of the housing lower shell is bent radially inward in the joining region, another trained as a membrane memory
- Hydraulic accumulator having two positively and / or cohesively interconnected components, wherein the edges of the housing lower shell and the housing upper shell overlap each other in the joining region and wherein a clamping ring is provided for the membrane, another designed as a membrane memory
- Hydraulic accumulator having two positively and / or cohesively interconnected components, wherein the
- Hydraulic accumulator having two positively and / or cohesively interconnected components, wherein the
- Housing upper shell has an edge with a relatively large wall thickness, another designed as a membrane memory
- Hydraulic accumulator having two positively and / or cohesively interconnected components, wherein the
- Housing upper shell has an edge with a relatively large wall thickness, wherein the housing lower shell a shoulder in the Engages behind the housing upper shell and rests against an edge seal, and
- Fig. 7 is another designed as a membrane memory
- Hydraulic accumulator in which a multiple clawing between the components is realized
- Fig. 8 is another designed as a membrane memory
- Hydraulic accumulator in which a positive connection is realized by a sharp transition between two diameters of a component
- Fig. 9 is another designed as a membrane memory
- Hydraulic accumulator in which an improved positive connection is realized by a puncture.
- FIG. 1 shows a hydraulic accumulator 1a, comprising a
- Basic body 2a with a first component 3a and a second
- Component 4a which are interconnected by a positive connection and / or material connection.
- At least one component namely the first component 3a, is deformed by a non-contact molding process in such a way that it forms the positive connection and / or material connection with the other component 4a.
- the first component 3a has a wave structure impressed on it
- the first component 3a is made of aluminum or steel.
- the components 3a, 4a form a storage space 5a for a gaseous medium and a receiving space 6a for a liquid medium, wherein the storage space 5a is separated from the receiving space 6a by a membrane 7a and wherein the volumes of the storage space 5a and the receiving space 6a are variable.
- the membrane 7a is without clamping ring between the
- the storage space 5a is formed without a supply line.
- the receiving space 6a has a connecting piece 8a integrally formed on the first component 3a.
- the first component 3a is the housing lower shell and the second
- Component 4a formed as a housing upper shell, wherein the edges 9a, 10a of the housing lower shell or housing upper shell overlap each other and pinch the membrane 7a between them. There is no clamping ring for the diaphragm 7a.
- the housing upper shell is provided with grooves.
- the membrane 7a is arranged between the housing upper and lower housing shell.
- the assembled hydraulic accumulator 1a withstands a defined bursting pressure. He is also gas-tight and oil-tight.
- the molding of the housing lower shell in the grooves of the housing upper shell is formed by partially reducing the diameter of the housing lower shell.
- Fig. 2 shows a hydraulic accumulator 1b, comprising a
- Base 2b with a first component 3b and a second
- Component 4b which are interconnected by a positive connection. At least one component, namely the first component 3b, is deformed by a non-contact molding process in such a way that it enters into positive engagement with the other component 4b.
- the molding process used to make the mold closure is electromagnetic pulse bonding.
- the first component 3b is made of aluminum or steel.
- the components 3b, 4b form a storage space 5b for a gaseous medium and a receiving space 6b for a liquid medium, wherein the storage space 5b from the receiving space 6b is separated by a membrane 7b and wherein the volumes of the storage space 5b and the receiving space 6b are variable.
- the storage space 5b is formed without a supply line.
- the receiving space 6b has a connecting piece 8b formed on the first component 3b.
- the first component 3b is as a housing lower shell and the second
- Component 4b designed as a housing upper shell, wherein the edges 9b, 10b of the housing lower shell or housing upper shell overlap each other and clamp the membrane 7b between them. There is no clamping ring for the diaphragm 7b.
- the edge 9b of the first component 3b which is directed toward the second component 4b, is bent radially inwards and engages over an encircling edge
- FIG. 3 shows a hydraulic accumulator 1c, comprising a
- Basic body 2c with a first component 3c and a second
- Component 4c which are interconnected by a positive connection.
- At least one component namely the first component 3c, is deformed by a non-contact molding process in such a way that it enters into positive engagement with the other component 4c.
- the molding process used to make the mold closure is electromagnetic pulse bonding.
- the first component 3c is made of aluminum or steel.
- the components 3c, 4c form a storage space 5c for a gaseous medium and a receiving space 6c for a liquid medium, wherein the storage space 5c is separated from the receiving space 6c by a membrane 7c and wherein the volumes of the storage space 5c and the receiving space 6c are variable.
- the storage space 5c is formed without a supply line.
- the receiving space 6c has a connecting piece 8c formed on the first component 3c.
- the first component 3c is as a housing lower shell and the second
- Component 4c designed as a housing upper shell, wherein the edges 9c, 10c of the housing lower shell or housing upper shell overlap one another and pinch the membrane 7c. It is a clamping ring 11c provided for the diaphragm 7c. The membrane 7c is pressed between the clamping ring 11c and the edge 10c of the second component 4c. The edge 9c of the first component 3c has a radially inwardly directed constriction 12c.
- Fig. 4 shows a hydraulic accumulator 1d, comprising a
- Basic body 2d with a first component 3d and a second
- Component 4d which are interconnected by a positive connection.
- At least one component namely the second component 4d, is deformed by a non-contact molding process in such a way that it enters into positive engagement with the other component 3d.
- the molding process used to make the mold closure is electromagnetic pulse bonding.
- the second component 4d is made of aluminum or steel.
- the components 3d, 4d form a storage space 5d for a gaseous medium and a receiving space 6d for a liquid medium, wherein the storage space 5d is separated from the receiving space 6d by a membrane 7d and wherein the volumes of the storage space 5d and the receiving space 6d are variable.
- the storage space 5d is formed without a supply line.
- the receiving space 6d has a connecting piece 8d formed on the first component 3d.
- the first component 3d is as housing lower shell and the second
- Component 4d formed as a housing upper shell, wherein the edges 9d, 10d of the lower housing shell or upper housing shell overlap each other and pinch the membrane 7d.
- a clamping ring 11d for the diaphragm 7d.
- the clamping ring 1 1d engages over the edge 9d of the first component 3d, protrudes into it and tapers in the direction of the receiving space 6d.
- the edge 10d of the second component 4d is bent radially inward and
- FIG. 5 shows a hydraulic accumulator 1e, comprising a
- Basic body 2e with a first component 3e and a second
- Component 4e which are connected to each other by a positive connection.
- At least one component namely the first component 3e, is deformed by a non-contact molding process in such a way that it enters into positive engagement with the other component 4e.
- the molding process used to make the mold closure is electromagnetic pulse bonding.
- the first component 3e is made of aluminum or steel.
- the components 3e, 4e form a storage space 5e for a gaseous medium and a receiving space 6e for a liquid medium, wherein the storage space 5e is separated from the receiving space 6e by a membrane 7e and wherein the volumes of the storage space 5e and the receiving space 6e are variable.
- the storage space 5e is formed without a supply line.
- the receiving space 6e has a connecting piece 8e formed on the first component 3e.
- the first component 3e is as a housing lower shell and the second
- Component 4e designed as a housing upper shell, wherein the edges 9e, 10e of the housing lower shell or housing upper shell overlap each other and pinch the membrane 7e between them. There is no clamping ring for the diaphragm 7e provided.
- the membrane 7e protrudes with a bead in a form-fitting manner into a groove of the edge 10e of the second component 4e.
- FIG. 6 shows a hydraulic accumulator 1f, comprising a
- Main body 2f with a first component 3f and a second component 4f, which are interconnected by a positive connection.
- At least one component namely the first component 3f, is deformed by a non-contact molding process in such a way that it enters into positive engagement with the other component 4f.
- the molding process used to make the mold closure is electromagnetic pulse bonding.
- the first component 3f is made of aluminum or steel.
- the components 3f, 4f form a storage space 5f for a gaseous medium and a receiving space 6f for a liquid medium, wherein the storage space 5f is separated from the receiving space 6f by a membrane 7f and wherein the volumes of the storage space 5f and the receiving space 6f are changeable.
- the storage space 5f is formed without a supply line.
- the receiving space 6f has a connecting piece 8f formed on the first component 3f.
- the first component 3f is as a housing lower shell and the second
- Component 4f formed as a housing upper shell, wherein the edges 9f, 10f the housing lower shell or housing upper shell overlap each other and clamp the membrane 7f between them. There is no clamping ring for the membrane 7f provided.
- the membrane 7f projects with a bead in a form-fitting manner into a groove of the edge 10f of the second component 4f.
- the edge 9f of the first component 3f abuts against an edge seal 13f, which in a
- Stop 1 f of the second component 4f is located.
- the membranes shown in FIGS. 1 to 9 are made of an elastomer.
- FIG. 7 shows a hydraulic accumulator 1g, comprising a basic body 2g with a first component 3g and a second component 4g, which are connected to one another by a positive connection and / or material connection. At least one component 3g is deformed by a non-contact molding process in such a way that it enters into the positive connection and / or material connection with the other component 4g.
- the molding process is electromagnetic pulse joining.
- Fig. 7 it is shown that the components 3g, 4g are clamped together several times. Specifically, the edges 9g, 10g are multiple times sixteenkrallt together. In addition to a positive connection, the edges 9g, 10g or the components 3g, 4g could additionally be connected to each other by a material bond.
- FIG. 8 shows a hydraulic accumulator 1 h, comprising a main body 2h with a first component 3h and a second component 4h, which are connected to one another by a positive connection and / or material connection.
- At least one component 3h is deformed by a non-contact molding process in such a way that it locks the mold with the other component 4h and / or substance.
- the molding process is electromagnetic pulse joining.
- the positive connection is formed by a sharp transition between two diameters of the second component 4h.
- the sharp transition is realized by a cross-sectionally rectangular step 15h.
- the sharp transition is formed in the edge 10h of the second component 4h.
- edges 9h, 10h or the components 3h, 4h could additionally be connected to each other by a material bond.
- FIG. 9 shows a hydraulic accumulator 1 i, comprising a main body 2 i with a first component 3 i and a second component 4 i, which are connected to one another by a positive connection and / or material connection.
- At least one component 3i is deformed by a non-contact molding process in such a way that it enters into the positive connection and / or material connection with the other component 4i.
- the molding process is electromagnetic pulse joining.
- the positive connection is produced by a recess 16i introduced in front of the pulse joining in the first component 3i or in its edge 9i.
- the first component 3i is inserted with the recess 16i on a projection 17i on the second component 4i or at the edge 10i.
- a better clawing of the components 3i, 4i is achieved.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12732969.6A EP2780600B1 (de) | 2011-11-17 | 2012-06-14 | Verfahren zur Fertigung eines Hydrospeichers und Hydrospeicher |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11009128 | 2011-11-17 | ||
PCT/EP2012/002509 WO2013071985A1 (de) | 2011-11-17 | 2012-06-14 | Hydrospeicher |
EP12732969.6A EP2780600B1 (de) | 2011-11-17 | 2012-06-14 | Verfahren zur Fertigung eines Hydrospeichers und Hydrospeicher |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2780600A1 true EP2780600A1 (de) | 2014-09-24 |
EP2780600B1 EP2780600B1 (de) | 2018-08-01 |
Family
ID=46466407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12732969.6A Active EP2780600B1 (de) | 2011-11-17 | 2012-06-14 | Verfahren zur Fertigung eines Hydrospeichers und Hydrospeicher |
Country Status (4)
Country | Link |
---|---|
US (1) | US9551360B2 (de) |
EP (1) | EP2780600B1 (de) |
CN (1) | CN103946558A (de) |
WO (1) | WO2013071985A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1021285B1 (nl) * | 2013-05-17 | 2015-10-20 | Hydra Parts N.V. | Verbeterde werkwijze |
DE102015003140A1 (de) | 2015-03-12 | 2016-09-15 | Carl Freudenberg Kg | Kolbenspeicher |
JP6803271B2 (ja) * | 2017-03-13 | 2020-12-23 | 日本発條株式会社 | アキュムレータ |
CN112483483B (zh) * | 2020-11-26 | 2023-03-31 | 河南工业职业技术学院 | 一种智能的隔膜蓄能器 |
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WO2005002777A1 (en) | 2003-07-07 | 2005-01-13 | Pulsar Welding Ltd. | Magnetic pulse welding method and apparatus for sealing a vessel and a sealed vessel |
DE102009021463A1 (de) | 2009-05-15 | 2010-11-18 | Hydac Technology Gmbh | Hydrospeicher |
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US3315A (en) * | 1843-10-25 | Horatio allen | ||
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US2924359A (en) * | 1957-02-15 | 1960-02-09 | Thompson Ramo Wooldridge Inc | Expulsion bag fuel tank |
US3066699A (en) * | 1958-12-10 | 1962-12-04 | Peet William Harold | Accumulator |
FR1307091A (fr) * | 1961-11-29 | 1962-10-19 | Langen & Co | Accumulateur de pression |
US3368586A (en) * | 1965-09-01 | 1968-02-13 | Bendix Corp | Accumulator |
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GB1231436A (de) * | 1968-07-05 | 1971-05-12 | ||
CA1045799A (en) * | 1975-02-24 | 1979-01-09 | Abduz Zahid | Pressure accumulator and method of forming same |
US4234016A (en) * | 1977-07-20 | 1980-11-18 | Tokico Ltd. | Accumulator |
DE2834403C2 (de) * | 1978-08-05 | 1985-01-24 | Alfred Teves Gmbh, 6000 Frankfurt | Druckspeicher |
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FR2632218A1 (fr) | 1988-06-03 | 1989-12-08 | Lacoste Jean | Procede de sertissage de pieces metalliques utilisant le formage par pression magnetique et articles issus de la mise en oeuvre du procede |
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DE60111935T2 (de) | 2000-04-26 | 2006-04-20 | Cosma International Inc., Concord | Verfahren zum hydroformen einer rohrförmigen struktur mit unterschiedlichen durchmessern aus einem rohrförmigen rohling, beim magnetimpuls-schweissen |
US6817511B2 (en) | 2002-12-16 | 2004-11-16 | Dana Corporation | Method for joining axle components |
CN1749581A (zh) * | 2005-10-14 | 2006-03-22 | 王祖林 | 缠绕隔膜式蓄能器 |
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-
2012
- 2012-06-14 US US14/358,773 patent/US9551360B2/en active Active
- 2012-06-14 CN CN201280055954.1A patent/CN103946558A/zh active Pending
- 2012-06-14 WO PCT/EP2012/002509 patent/WO2013071985A1/de active Application Filing
- 2012-06-14 EP EP12732969.6A patent/EP2780600B1/de active Active
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US3397719A (en) | 1965-08-30 | 1968-08-20 | Langen & Co | Hydraulic pressure accumulator |
US4452276A (en) | 1982-05-11 | 1984-06-05 | Diesel Kiki Co., Ltd. | Accumulator for pneumatic or hydraulic devices |
US6779550B1 (en) | 2002-02-26 | 2004-08-24 | Fuel Cell Components & Integrators, Inc. | Magnetic pulse welder pressure canister |
WO2005002777A1 (en) | 2003-07-07 | 2005-01-13 | Pulsar Welding Ltd. | Magnetic pulse welding method and apparatus for sealing a vessel and a sealed vessel |
DE102009021463A1 (de) | 2009-05-15 | 2010-11-18 | Hydac Technology Gmbh | Hydrospeicher |
Non-Patent Citations (1)
Title |
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See also references of WO2013071985A1 |
Also Published As
Publication number | Publication date |
---|---|
EP2780600B1 (de) | 2018-08-01 |
CN103946558A (zh) | 2014-07-23 |
US20140318655A1 (en) | 2014-10-30 |
WO2013071985A1 (de) | 2013-05-23 |
US9551360B2 (en) | 2017-01-24 |
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