EP1517048A2 - Hydropneumatischer Druckspeicher - Google Patents
Hydropneumatischer Druckspeicher Download PDFInfo
- Publication number
- EP1517048A2 EP1517048A2 EP04030566A EP04030566A EP1517048A2 EP 1517048 A2 EP1517048 A2 EP 1517048A2 EP 04030566 A EP04030566 A EP 04030566A EP 04030566 A EP04030566 A EP 04030566A EP 1517048 A2 EP1517048 A2 EP 1517048A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- longitudinal axis
- membrane
- housing shell
- pressure accumulator
- 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
Images
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
- F15B1/10—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means
- F15B1/12—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means attached at their periphery
- F15B1/125—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means attached at their periphery 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
- 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
- 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
- F15B1/12—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means attached at their periphery
-
- 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
- F15B2201/41—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
-
- 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
- F15B2201/43—Anti-extrusion means
- F15B2201/435—Anti-extrusion means being fixed to the separating means
Definitions
- the invention relates to a hydropneumatic pressure accumulator with a formed from at least two interconnected housing shells Housing that separates the interior of the store from the outside environment, with a longitudinal axis defining a cross-section and the interior of the housing in two spaces, in particular a gas space and a Liquid space, dividing partition in the form of a gas-tight Membrane with its peripheral edge region to form a Seal to the inner wall of the housing by means of a holding device is clamped, which receives the edge region of the membrane between them Holding surfaces and at least one clamping force between the edge region and holding surfaces generating power storage element, wherein at least one of the retaining surfaces by a wall part of the housing shells is formed, wherein the retaining surfaces over their entire surface area run equidistant to each other to an annular gap between them to form, over its axial extent a constant light Has gap width, and wherein the located on one of the housing shells, based on the longitudinal axis outer holding surface part of the
- Comparable accumulators are for example by DE 25 34 361 B2 known. Because of the very tight tolerances, as in the case of each other cooperating wall parts at the connection region of the housing shells as well as for contacting the edge region of the membrane Areas are observed, the installation of the membrane and the designed Assembly of the housing shells relatively difficult. Because of the Precise fit will result in least misalignment or tilt error relative to the longitudinal axis when moving the parts to disturbances of the assembly process or even damage due to misalignment or tilting.
- EP 1 031 729 A2 is a generic hydropneumatic Pressure accumulator known, as a holding device for the partition or Separating membrane is provided a separate mounting ring, the between clamped two housing shells makes the determination.
- the fastening ring as a holding device presses over a flange-like metal ring an end-side membrane bead in the associated receptacle of lower housing shell of the memory.
- the housing shells Cylindrically formed on their mutually facing guide surfaces and thus in contact with each other.
- the fastening ring as well
- the lower housing shell extend over a predeterminable area below the Festlegewulstes with mutually parallel retaining surfaces, which define an equidistant gap with each other and so on one specifiable distance keep the partition wall.
- the invention has the task to create a pressure accumulator of the type mentioned, which is characterized a construction which makes a particularly simple assembly possible characterized and the disadvantages described in the prior art does not have.
- This task is solved by a hydropneumatic Pressure accumulator with the features of claim 1 in its entirety.
- the one another to be connected end portions of the housing shells and the holding device to make the membrane so that the end portion of that Housing shell, which the outer holding surface for the Membraneinlays forms, a funnel-like outward extended guide surface forms when moving together the two housing shells.
- the housing halves in the assembled state the housing halves, is equidistant from the other holding surface, thus results in the process of assembling the housing shells due to funnel-shaped arrangements of the guide surfaces a kind of self-centering, so that a trouble-free assembly with simple means allows is particularly well-defined investment situation for the edge of Partition wall or the separation membrane.
- the elastic Sealing element with immediate effect on the edge region of the Membrane is also safe in the given overall situation Seal between the interior of the store and the environment reached.
- the sealing element with an acting biasing force act on the assignable edge region of the membrane can, the sealing force is significantly improved and the membrane in their position exactly defined on its edge area, what the lifetime of the Membrane benefits as a whole.
- Pressure accumulator has the other housing shell for the collapse with the one housing shell a funnel-shaped narrowing inwards further guide surface, wherein in the contracted state of the two housing shells, the two guide surfaces in contact with each other are and / or maintain an equidistant distance from each other.
- a precise centering of a housing shell over the given other housing shell In register exact centering can such the said guide surfaces and other sealing surfaces of the memory with training.
- Pressure accumulator extends the outer holding surface in extension and thus same inclination to its associated guide surface.
- the inner support surface extending parallel to the outer support surface arranged offset by one step inwards to the longitudinal axis of the memory. Due to the pertinent arrangement, the holding surfaces can be train in meaningful continuation of the guide surfaces, what the Production costs significantly reduced.
- the holding device be formed directly from the two housing shells and on an additional mounting ring can be completely eliminated. It is also possible while maintaining the advantages of the invention another embodiment, the pertinent arrangement by use realize a fastening ring, but then what the variety of parts increases and consequently the production costs.
- each guide surface is shorter as the length of each associated holding surface.
- the preferred range for the angle under which the outside Retaining surface widens outwardly in a funnel-like manner with respect to the longitudinal axis is 4 ° to 10 °, preferably 5 ° to 6 °.
- a in Fig. 1 as a whole with 1 designated pressure accumulator has two Storage housing forming housing shells 3 and 5, which approximately formed hemispherical and connected together at an interface 7 are.
- the Housing shells 3 and 5 at the seam 7 by electron beam welding or laser welding connected to each other gas-tight.
- the housing shells 3 and 5 each have an opening 9 and 11, each for the Attachment of a connection fitting, which is not shown, are provided which the connection to a Gasein- and -nach Stahl also not shown or hydraulic system manufactures.
- the interior of the housing is characterized by a partition in the form of a gas-tight Membrane 13 in a top in Fig. 1 located gas space 15 and a lower, adjacent to the opening 11 liquid space 17 divided.
- the membrane 13 may be formed of an elastomeric material or preferably of a plastic material. It can be about a monolayer membrane made of a polyamide, e.g. PA6, or a polyamide blend, such as polyamide polyolefin, or of polyethylene terephthalate, Polyethylene naphthalate or polyvinylidene chloride.
- the above-mentioned plastics as Be provided barrier layer, at which a cover layer or more Cover layers are or are located.
- the membrane 13 is shown in Fig. 1 in not fully stretched state.
- the smallest volume of the Liquid space 17 corresponds, would a glued to the membrane 13 or molded-on reinforcement 19, acting in the manner of a valve disk, come to rest over the inner edge of the opening 11 and at the opening 11 not only have a sealing effect, but also an impression of the Membrane 13 in the opening 11 by the prevailing in the gas space 15 Prevent pressure.
- the reinforcement 19 can also be made of a material Verdikkung the membrane 13 itself be formed.
- FIG. 1 shows the area designated by II in FIG. 1 on a larger scale, so that the details of the design of the edge region 21 of Membrane 13 and the holding device for the clamping of the membrane 13 are removable.
- the edge region 21 of the membrane 13 has a bead-like thickening 23, which is received between two retaining surfaces, of which the housing shell 5 associated holding surface with 25 and the housing shell. 3 assigned holding surface is denoted by 27.
- the holding surfaces 25 and 27 extend over the entire circumference of the pressure accumulator housing to each other equidistant, so that they have between them an annular gap for recording the edge region 21 of the membrane 13 form, over its axial extent has a constant clear gap width D (Fig. 2).
- Fig. 1 the by the approximately spherical shape of the housing shells 3 and 5 defined longitudinal axis of the pressure accumulator 1 designated 29.
- the defined by this longitudinal axis 29 longitudinal direction of the pressure accumulator is illustrated in Fig. 2 by an auxiliary line 31, to the longitudinal axis 29th is parallel.
- Fig. 2 which is based on the Longitudinal axis 29, outer holding surface 25 under a very sharp Angle ⁇ to the longitudinal direction indicated by the auxiliary line 31, i. inclined relative to the longitudinal axis 29.
- the outer holding surface 25 is therefore part of the lateral surface of a cone whose tip is on the longitudinal axis 29 of the pressure accumulator is located. According to the illustration of FIG.
- FIGS. 1 and 2 are the outer holding surface 25 at the small angle ⁇ , the is preferably about 4 ° to 10 °, with respect to the longitudinal axis 29 inclined so, that the holding surface 25 at its upper end in Fig. 2, i. at its the housing shell 3 facing the end, the largest radial distance from the longitudinal axis 29 has. That of the housing shell 3 facing End of the lower in Fig. 1 and 2 housing shell 5 is therefore edge slightly widened funnel-like. The in the slightly expanded open end the housing shell 5 to be used end portion of FIGS.
- the one housing shell 5 is slightly towards its outer end funnel-like outwardly extended guide surface 34 for the collapse the two housing shells 3.5 provided.
- the other housing shell 3 is for moving together with a housing shell 5 after inside also funnel-shaped narrowing with another guide surface 36 provided, wherein in the contracted state of the two Housing shells 3.5, the two guide surfaces 34,36 in contact with each other are.
- the outer support surface 25 in extension and thus the same inclination to the guide surface 34 associated therewith arranged.
- the inner support surface 27 is in turn parallel to the outer holding surface 25 extending around a step 38 inwardly to the longitudinal axis 29 out offset and the length of each guide surface 34,36 is shorter than the length of each associated holding surface 25.27.
- the one guide surface 34 of the housing shell closes 5 to the free end 32 of the same.
- the holding device in question for the membrane partition can be formed directly from the two housing parts 3.5 or at least partly from a separate mounting ring (not shown), the in one of the two housing shells 3,5, in particular in the lower housing shell 5, can be used.
- the projection 33 is integral with formed in the figure above housing shell 3.
- the housing shell 5 a rigid composite.
- elastic sealing element 41 is provided to one Clamping force for the clamping and the sealing of the edge region 21
- elastic sealing element 41 is provided to produce the membrane 13 .
- This is in the manner of an O-ring between the holding surfaces 25 and 27 clamped and exerts on the end edge 39 of the thickening 23 a in Axial acting clamping force, between a transverse to the support surface 27 extending support surface 43 and the support surface 25 transversely extending support surface 37 acts.
- the sealing element seals 41 both against the support surface 25 and against the support surface 27 out from.
- the sealing element 41 is at the end edge 39 of the thickening 23 of the membrane 13 glued or molded.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- External Artificial Organs (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
- Fig. 1
- einen Längsschnitt eines Druckspeichers gemäß dem Ausführungsbeispiel der Erfindung;
- Fig. 2
- einen in größerem Maßstab und abgebrochen gezeichneten Ausschnitt des in Fig. 1 mit II bezeichneten Bereiches.
Claims (8)
- Hydropneumatischer Druckspeicher (1) mit einem aus zumindest zwei miteinander verbindbaren Gehäuseschalen (3,5) gebildeten Gehäuse, das das Innere des Speichers von der äußeren Umgebung trennt, mit einem eine Längsachse (29) definierenden Querschnitt und einer den Innenraum des Gehäuses in zwei Räume, insbesondere einen Gasraum (15) und einen Flüssigkeitsraum (17), unterteilenden Trennwand in Form einer gasdichten Membran (13), die mit ihrem umfänglichen Randbereich (21) unter Bildung einer Abdichtung zur Innenwand des Gehäuses mittels einer Halteeinrichtung eingespannt ist, die den Randbereich (21) der Membran (13) zwischen sich aufnehmende Halteflächen (25,27) und zumindest ein eine Spannkraft zwischen Randbereich (21) und Halteflächen (25,27) erzeugendes Kraftspeicherelement (41) aufweist, wobei zumindest eine (25) der Halteflächen (25,27) durch einen Wandteil einer der Gehäuseschalen (3,5) gebildet ist, wobei die Halteflächen (25,27) über ihren gesamten Flächenbereich zueinander äquidistant verlaufen, um zwischen sich einen Ringspalt zu bilden, der über seine axiale Erstreckung eine gleichbleibende lichte Spaltweite (D) besitzt, und wobei die an einer (5) der Gehäuseschalen (3,5) befindliche, bezogen auf die Längsachse (29) außen liegende Haltefläche (25) Teil der Mantelfläche eines Kegels ist, dessen Spitze auf der Längsachse (29) so gelegen ist, daß diese Haltefläche (25) an ihrem der anderen Gehäuseschale (3) zugekehrten Ende den größten Radialabstand von der Längsachse (29) besitzt, dadurch gekennzeichnet, daß zumindest der Endbereich (30) der einen Gehäuseschale (5) zwischen ihrem freien Ende (32) und dem jeweiligen Dichtelement (41) eine trichterartig nach außen erweiterte Führungsfläche (34) für das Zusammenfahren der beiden Gehäuseschalen (3,5) aufweist, daß an zumindest einer Haltefläche (25,27) zum Erzeugen einer auf den Randbereich (21) der Membran (13) wirkenden Spannkraft zumindest ein elastisches Dichtelement (41) vorgesehen ist, daß der Randbereich (21) der Membran (13) eine zwischen den Halteflächen (25,27) aufgenommene, wulstartige Verdickung (23) aufweist, und daß als Dichtelement ein am Endrand (39) der Verdickung (23) anliegender oder daran angespritzter elastischer Dichtring (41) vorgesehen ist, der eine Spannkraft zwischen der wulstartigen Verdickung (23) und Abstützflächen (37,43) erzeugt, die an der einen und an der anderen Gehäuseschale (5 bzw. 3) ausgebildet sind und sich quer zu den Halteflächen (25,27) erstrecken.
- Druckspeicher nach Anspruch 1, dadurch gekennzeichnet, daß die andere Gehäuseschale (3) für das Zusammenfahren mit der einen Gehäuseschale (5) eine nach innen trichterförmig sich verengende weitere Führungsfläche (36) aufweist und daß im zusammengefahrenen Zustand der beiden Gehäuseschalen (3,5) die beiden Führungsflächen (34,36) in Anlage miteinander sind und/oder einen äquidistanten Abstand zueinander einhalten.
- Druckspeicher nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die äußere Haltefläche (25) in Verlängerung und mithin gleicher Neigung zu der ihr zugeordneten Führungsfläche (34) verläuft.
- Druckspeicher nach Anspruch 3, dadurch gekennzeichnet, daß die innere Haltefläche (27) parallel zu der äußeren Haltefläche (25) verlaufend um eine Stufe (38) nach innen zur Längsachse (29) des Speichers (1) hin versetzt angeordnet ist.
- Druckspeicher nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Halteeinrichtung unmittelbar aus den beiden Gehäuseschalen (3,5) gebildet ist oder zumindest teilweise aus einem Befestigungsring, der zumindest in eine der beiden Gehäuseschalen (3,5) einsetzbar ist.
- Druckspeicher nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß die Länge einer jeden Führungsfläche (34,36) kürzer bemessen ist als die Länge einer jeden zugeordneten Haltefläche (25,27).
- Druckspeicher nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Winkel (α) des Kegels, der die an der einen Gehäuseschale (5) ausgebildete Haltefläche (25) definiert, gegenüber der Längsachse (29) 4° bis 10° beträgt.
- Druckspeicher nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die, bezogen auf die Längsachse (29) innen liegende Haltefläche (27) an einem in die eine Gehäuseschale (5) einsteckbaren Ansatz (33,45) der anderen Gehäuseschale (3) ausgebildet ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10116235 | 2001-03-31 | ||
DE10116235A DE10116235A1 (de) | 2001-03-31 | 2001-03-31 | Hydropneumatischer Druckspeicher |
EP02722196A EP1373736B1 (de) | 2001-03-31 | 2002-03-09 | Hydropneumatischer druckspeicher |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02722196A Division EP1373736B1 (de) | 2001-03-31 | 2002-03-09 | Hydropneumatischer druckspeicher |
EP02722196.9 Division | 2002-03-09 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1517048A2 true EP1517048A2 (de) | 2005-03-23 |
EP1517048A3 EP1517048A3 (de) | 2005-11-09 |
EP1517048B1 EP1517048B1 (de) | 2007-05-09 |
Family
ID=7680001
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04030566A Expired - Lifetime EP1517048B1 (de) | 2001-03-31 | 2002-03-09 | Hydropneumatischer Druckspeicher |
EP02722196A Expired - Lifetime EP1373736B1 (de) | 2001-03-31 | 2002-03-09 | Hydropneumatischer druckspeicher |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02722196A Expired - Lifetime EP1373736B1 (de) | 2001-03-31 | 2002-03-09 | Hydropneumatischer druckspeicher |
Country Status (5)
Country | Link |
---|---|
US (1) | US6857450B2 (de) |
EP (2) | EP1517048B1 (de) |
JP (1) | JP4188697B2 (de) |
DE (3) | DE10116235A1 (de) |
WO (1) | WO2002079653A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023186528A1 (de) * | 2022-04-02 | 2023-10-05 | Hydac Technology Gmbh | Ausdehnungsvorrichtung |
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US20060254541A1 (en) * | 2005-05-10 | 2006-11-16 | Peter Nushart | Breather for a pump |
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IT201600108035A1 (it) * | 2016-10-26 | 2018-04-26 | Hutchinson Srl | Smorzatore per una linea di fluido, in particolare una linea del carburante per un motore a combustione interna |
US11448364B2 (en) | 2016-12-22 | 2022-09-20 | Steelhead Composites, Inc. | Lightweight composite overwrapped accumulators |
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DE102017219496A1 (de) * | 2017-11-02 | 2019-05-02 | Krones Ag | Leimversorgung für Etikettieraggregat mit Leimdrucker |
US11193506B2 (en) * | 2018-11-15 | 2021-12-07 | Canon Kabushiki Kaisha | Pulsation dampener with gas retention |
CN111741618B (zh) | 2020-08-14 | 2020-11-24 | 博敏电子股份有限公司 | 一种pcb台阶槽底部做沉镍金的加工方法 |
CA3224337A1 (en) * | 2021-06-16 | 2022-12-22 | Performance Pulsation Control, Inc. | Diaphragm radial compression ring (drcrtm) to enhance the sealing ability and service life of the diaphragms used in dampeners/accumulators/pulsation control equipment |
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DE2534361A1 (de) | 1975-08-01 | 1977-02-03 | Langen & Co | Hydropneumatischer druckspeicher |
EP1031729A2 (de) | 1999-02-23 | 2000-08-30 | Nauchno-Proizvodstvennoe Obiedinenie "Energomash", Imenie Akademika V.P. Glushko | Tank für die Speicherung und Austreibung einer Flüssigkeit |
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GB1023726A (en) | 1965-02-11 | 1966-03-23 | Viktor Langen | Hydraulic pressure accumulator |
DE2738683A1 (de) | 1977-08-27 | 1979-03-08 | Fichtel & Sachs Ag | Membraneinspannung fuer hydropneumatische druckspeicher |
DE2810882C3 (de) * | 1978-03-13 | 1980-09-18 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Druckwindkessel für eine druckgeregelte Wasserversorgungsanlage |
US4321949A (en) * | 1979-03-16 | 1982-03-30 | The Normand Trust | Pressure vessel |
JPH094601A (ja) | 1995-06-22 | 1997-01-07 | Nok Corp | アキュムレータ |
-
2001
- 2001-03-31 DE DE10116235A patent/DE10116235A1/de not_active Withdrawn
-
2002
- 2002-03-09 JP JP2002578034A patent/JP4188697B2/ja not_active Expired - Fee Related
- 2002-03-09 WO PCT/EP2002/002626 patent/WO2002079653A1/de active IP Right Grant
- 2002-03-09 EP EP04030566A patent/EP1517048B1/de not_active Expired - Lifetime
- 2002-03-09 US US10/465,999 patent/US6857450B2/en not_active Expired - Lifetime
- 2002-03-09 EP EP02722196A patent/EP1373736B1/de not_active Expired - Lifetime
- 2002-03-09 DE DE50210143T patent/DE50210143D1/de not_active Expired - Lifetime
- 2002-03-09 DE DE50204867T patent/DE50204867D1/de not_active Expired - Lifetime
Patent Citations (2)
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DE2534361A1 (de) | 1975-08-01 | 1977-02-03 | Langen & Co | Hydropneumatischer druckspeicher |
EP1031729A2 (de) | 1999-02-23 | 2000-08-30 | Nauchno-Proizvodstvennoe Obiedinenie "Energomash", Imenie Akademika V.P. Glushko | Tank für die Speicherung und Austreibung einer Flüssigkeit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023186528A1 (de) * | 2022-04-02 | 2023-10-05 | Hydac Technology Gmbh | Ausdehnungsvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
DE50204867D1 (de) | 2005-12-15 |
EP1517048A3 (de) | 2005-11-09 |
DE10116235A1 (de) | 2002-10-17 |
WO2002079653A1 (de) | 2002-10-10 |
EP1517048B1 (de) | 2007-05-09 |
US20040045615A1 (en) | 2004-03-11 |
US6857450B2 (en) | 2005-02-22 |
JP2004523710A (ja) | 2004-08-05 |
EP1373736B1 (de) | 2005-11-09 |
JP4188697B2 (ja) | 2008-11-26 |
EP1373736A1 (de) | 2004-01-02 |
DE50210143D1 (de) | 2007-06-21 |
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