WO2004005726A1 - Hydrospeicher, insbesondere blasenspeicher - Google Patents
Hydrospeicher, insbesondere blasenspeicher Download PDFInfo
- Publication number
- WO2004005726A1 WO2004005726A1 PCT/EP2003/004973 EP0304973W WO2004005726A1 WO 2004005726 A1 WO2004005726 A1 WO 2004005726A1 EP 0304973 W EP0304973 W EP 0304973W WO 2004005726 A1 WO2004005726 A1 WO 2004005726A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- separating element
- gas inlet
- inlet body
- hydraulic accumulator
- housing
- Prior art date
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
- 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
- F15B1/16—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means in the form of a tube
- F15B1/165—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means in the form of a tube in the form of a bladder
-
- 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
- F15B2201/3152—Accumulator separating means having flexible separating means the flexible separating means being bladders
-
- 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
- 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
- F15B2201/40—Constructional details of accumulators not otherwise provided for
- F15B2201/43—Anti-extrusion means
Definitions
- Hydraulic accumulators especially bladder accumulators
- the invention relates to a hydraulic accumulator, in particular bladder accumulators, with a gas inlet body which can be connected to parts of the accumulator housing and which has at least one contact surface for an elastically flexible separating element which separates two spaces from one another within the accumulator housing, the separating element forming an attachment edge for the respective system with the associated contact surface of the gas inlet body has an edge reinforcement by material thickening.
- hydraulic accumulators which are preferably used in hydraulic systems, perform a variety of tasks, particularly in the areas of energy storage, emergency operation of systems, shock absorption, pulsation damping, etc.
- the general principle of operation of hydraulic accumulators is to store pressure energy and the mode of operation of such Storage with separating elements is based on the fact that the compressibility of a gas, which is received in a gas space of the storage, is used for variable liquid storage within the liquid space of the storage, the separating element separating the gas space from the liquid space and the liquid space of the storage regularly with one hydraulic circuit is connected so that when the pressure rises, the gas on the gas side is primed and if there is a pressure drop on the fluid side, the compressed gas can expand and the stored liquid is thereby displaced back into the hydraulic circuit.
- the hydraulic accumulators with a separating element are generally differentiated into bladder accumulators, membrane accumulators and piston accumulators, the present invention being used with particular advantage in bladder accumulators which are provided with an elastically flexible separating element, preferably in the manner of a separating accumulator bladder.
- the filling of the storage bladder as a separating element in the manner of a separating membrane takes place regularly through the gas valve located on the upper part of the storing device, which forms a kind of gas inlet body.
- the liquid valve attached to the lower end of the hydraulic accumulator primarily prevents the accumulator bladder from being sucked out when the fluid flows out.
- the separating element in the form of the storage bladder is subject to very high pressure alternating stresses and is therefore heavily stressed.
- the separating element Towards the fluid side of the hydraulic accumulator, the separating element is kept essentially free and acts directly on the fluid side of the accumulator. At the opposite end, however, the separating element is firmly connected to the gas inlet body, a reinforced edge in the form of a thickening of material being held in a clamping manner between the gas inlet body and the assignable inner wall parts of the storage housing.
- this is underpinned by membrane parts of the storage bladder, which, apart from an inlet and outlet opening for the gas, is in full contact with the gas inlet body on its underside stand.
- the invention has for its object to further improve the known hydraulic accumulators, in particular bladder accumulators, in such a way that, despite the high stress on the separating element during working operation of the accumulator, failure cases at the location of the fastening of the separating element with the hydraulic accumulator are avoided.
- a related problem is solved by a hydraulic accumulator with the features of claim 1 in its entirety.
- the edge reinforcement is provided on its side facing the gas inlet body with a convex guide surface which is in contact with an assignable contact surface which is at least partially concave for the relevant system, is a safe one
- the separating element can be fastened to the hydraulic accumulator housing and, on the other hand, it is fixed in a gentle manner, the edge Strengthening in a non-impairing manner, which benefits the longevity of the connection.
- the convex guide surface of the separating element which is ring-like in flat contact with the associated contact surface of the gas inlet body, results in a type of articulation point, and the separating element can unwind around the articulation point accordingly without harmful forces being introduced into the attachment point and move limited.
- the concave bearing surface of the gas inlet body opens into an outlet slope, the inclination angle of which includes an acute angle with a fictitious plane transverse to the longitudinal axis of the hydraulic accumulator. Due to the above-mentioned design, a kind of free-wheeling surface is realized for the movement of the separating element, which allows the separating membrane to orientate itself in the direction of the mentioned run-out slope even with very high expansion stress, so that the separating element can be moved gently without introducing forces damaging the fastening point is.
- the outlet slope of the gas inlet body merges into a convex curvature toward its base part. If, in another, preferably configured embodiment of the hydraulic accumulator according to the invention, the outlet slope is provided with a counter support for the edge reinforcement with its convex guide surface, it is ensured that the indicated fastening point cannot be unintentionally released under extreme stresses on the separating element. Rather, the mentioned counter-holder ensures that the edge reinforcement remains in its fixed position at the fastening point.
- the edge reinforcement on its side facing the accumulator housing has an additional reinforcement which, in the assembled state of the hydraulic accumulator, is in pressing contact between at least one of the contact surfaces of the gas inlet body and the assignable wall part of the accumulator housing.
- the additional reinforcement is formed from a reinforcement ring which is set back from the free end of the separating element or merges into a common plane with the separating element at this free end.
- the reinforcing ring is formed from a bead which, as an integral part of the separating element, is semicircular, rectangular or triangular in cross section.
- the free end of the respective fastening bead is provided with a convex curvature, which has the advantage that sharp-edged transitions are avoided which could possibly lead to a harmful introduction of force into the region of the fastening edge.
- the assignable parts of the accumulator housing are provided with a recess on their inside at the location of the additional reinforcement of the separating element, so that there is sufficient space to accommodate the edge reinforcement of the separating element.
- the additional reinforcement can be supported on surfaces of the recess and thus ensure that the fastening edge is held in its position, and in addition, inadmissibly high squeezing forces on the fastening edge of the separating element are avoided in this way.
- the storage housing parts can be supported from the inner wall side on more radially outer separating element segments, which has also proven to be favorable for the introduction of force at the transition point of the separating element to the fastening edge.
- the curvature profile of the accumulator housing on its inside in the area of the system with the separating element is more curved than the separating element in the unactuated initial state, the curvature in question being steeper than that of the fixed separating element. Due to the different curvatures of the wall parts of the storage housing and the separating element, a full-surface contact in the contact area can be obtained even when the storage is actuated, and due to the resulting frictional forces that separate the separating membrane on the inside of the storage housing in the transition area to
- Figure 1 is a bladder accumulator (hydraulic accumulator), partly in view, partly in longitudinal section, as it belongs to the prior art.
- the state-of-the-art hydraulic accumulator in the form of a bladder accumulator shown in FIG. 1 is published on page 100 in the book Mannmann-Rexroth GmbH "The Hydraulic Trainer", Volume 3, 1st Edition
- the hydraulic accumulator has a accumulator housing 10, on the upper side of which a gas inlet body 12 is arranged in the form of a conventional gas valve provided for this purpose, on the underside of which the accumulator housing 10 is provided with a poppet valve device designated as a whole 14.
- the separating element 16 divides the hydraulic accumulator into a gas space 18 and a fluid space 20, the working gas enclosed in the separating element 16 in a fluid-tight manner, usually in the form of nitrogen gas, when the fluid flows in via the poppet valve device 14. is compressed and so on the Ga Energy stored on the side can later be released to the fluid side of the reservoir and thus to the fluid space 20, if necessary, the associated separating element 16 then expanding under the action of the working gas. If the accumulator empties completely of fluid on its fluid side, the separating element 16 can actuate the poppet valve device 14 via its underside and the poppet valve is closed in the usual way against the force of a return spring.
- the relevant structure of a hydraulic or bladder accumulator is common, so that all details of the relevant accumulator are not dealt with in more detail at this point.
- the gas inlet body 12 in the form of the gas valve is provided with a cover 22 in the form of an end cap and, as shown in FIG. 1, the gas inlet body 12 is designed to engage in the storage housing 10, the gas inlet body 12 being provided for this purpose via a conventional external thread 24 (cf. 2ff) can be screwed into the free opening of the storage housing 10.
- the separating element 16 is provided with the associated contact surface 28 of the gas inlet body 12 to form a fastening edge 26 for the respective installation, the fastening edge 26 having an edge reinforcement 30 due to material thickening in this area.
- an additional fixing possibility is also provided in that on the underside (bottom part) of the gas inlet body 12, the separating element 16 engages under the relevant end except for a passage opening 32 and thereby forms a flat support surface 34.
- this additional support surface 34 is not excluded in the strong flexing and tensile stress of the separating element 16 that this breaks off in the area of the transition to the mounting edge 26 or becomes porous at these points, which can lead to failure of the entire hydraulic accumulator in both cases. If you do not want to wait for the failure to occur, the separating element 16 in the form of the storage bladder must be replaced while the hydraulic accumulator is shut down at prescribed maintenance intervals.
- the solution according to the invention as shown in FIG. 2 provides that the edge reinforcement 30 is provided on its side facing the gas inlet body 12 with a convex guide surface 36 which is in contact with the assignable one Contact surface 28, which is at least partially concave for this purpose.
- the concave contact surface 28 of the gas inlet body 12 opens into a run-out slope 38, the inclination angle 40 of which, with a fictitious plane 42 transversely to the longitudinal axis 44 of the hydraulic accumulator, forms an acute angle, preferably of approximately 25 °.
- the mentioned outlet slope 38 can be provided with a counter or support 46 which holds the edge reinforcement 30 with its convex guide surface 36 securely.
- the convex guide surface 36 merges into a concave unwinding surface 48.
- the unwinding surface 48 enables the separating membrane 16, even in the case of strong flexing movements, to be able to unwind at the convex outlet slope 38 of the gas inlet body 12 in order to protect the clamping point on the edge reinforcement 30 from damaging force inputs.
- the transition from the convex guide surface 36 to the concave bearing surface 28 of the gas inlet body 12 thus forms a type of joint or hinge point, around which the separating membrane 1 6 can gently unwind between the gas inlet body 12 and the inside of the storage housing 10.
- the gas inlet body 12 is designed with a counter support 46, the separating membrane 16 can unwind around it in a defined manner without causing kinking points and inadmissibly high voltage introductions into the separating element 16.
- the edge reinforcement 30 has an additional reinforcement 50 on its side facing the storage housing 10, which, in the assembled state of the storage unit, presses between at least one of the contact surfaces 28 of the gas inlet body 12 and the assignable inner wall parts of the storage housing 10 is.
- the additional reinforcement 50 is formed from a reinforcement ring or bead which is essentially triangular in cross section, the free end of the additional reinforcement 50 being provided with a convex curvature towards the surroundings, in such a way to obtain a flat, sealing system with assignable inner wall parts of the storage housing at the point of attachment.
- the additional reinforcement 50 opens into a common plane with those parts of the guide surface of the fastening edge 26 which are aligned parallel to the longitudinal axis 44 of the storage housing 10.
- the reinforcement ring is semicircular in cross section and is set back from the gas inlet body 12 with respect to the end guide surface. Due to the outer circumferential contour of the additional reinforcement 50, a flat contact with the assignable inner wall parts of the storage housing is ensured, so that a secure seal is also ensured in these areas.
- 5ff show the installation situation of the solution according to FIG. 2 within the attached accumulator housing 10 of the overall hydraulic accumulator according to FIG. 5, 6 and 7, the storage housing part 10 has not yet been shown in its fully screwed-on position on the gas inlet body 12 in order to illustrate the conditions at the clamping point.
- the inside of the storage housing 10 has a recess 52 in the region of the attack with the edge reinforcement 30, which is formed in that the free opening end of the storage housing 10 is reduced in wall cross-section.
- the edge reinforcement 30 with its bead-like widening on the inner wall of the recess 52 can therefore also be supported in the radial direction, so that a secure fastening of the fastening edge 26 to the gas inlet body 12 is achieved in this way.
- the recess 52 is realized according to the representation according to FIG. 5 by corresponding recess slopes 54, which are basically the same in principle, however, and have a full-surface area over large areas of the storage housing 10 in the area of the fastening point With correspondingly high frictional forces between the separating element 16 and the storage housing 10, the system ensures that the secure fastening is accommodated.
- the curvature profile of the storage housing 10 in the contact area with the edge reinforcement 30 is more curved than the separating element 16 in the unactuated initial state, the curvature in question being steeper than that for the defined separating element 16.
- the separating element 1 6 is shown symbolically partially below its fastening edge 26 partially within the storage housing 10 according to the representations according to FIGS. 5, 6 and 7, the actual conditions being that the upper side of the elastomeric separating element 16 in this Area is guided over a predeterminable friction distance along the inside of the storage housing 10.
- the diameter of the free end of the separating element 16, limited by the fastening edge 26, is selected to be significantly smaller than the outer circumference of the gas inlet body 12 below the external thread 24 In this way, when the gas inlet body 12 is inserted, the free, open end of the separating element 16 is widened and, due to the rubber-elastic tension, the gas inlet body 12 is fixed in its installed position in the separating element 16.
- a safe barrier is formed which can be increased in its effect by means of the additional reinforcement 50, so that, for example, the gas side can be safely moved from the side when using aggressive fluid media instead of the usual hydraulic medium Fluid side is separated and in this way damage to the gas inlet body 12 by the aggressive medium can be avoided.
Landscapes
- 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)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004518498A JP2005532510A (ja) | 2002-07-09 | 2003-05-13 | 特に膜形容器などの液圧容器 |
US10/519,091 US20050247360A1 (en) | 2002-07-09 | 2003-05-13 | Hydraulic reservoir in particular a membrane reservoir |
EP03730015A EP1556617A1 (de) | 2002-07-09 | 2003-05-13 | Hydrospeicher, insbesondere blasenspeicher |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10230743.1 | 2002-07-09 | ||
DE10230743A DE10230743A1 (de) | 2002-07-09 | 2002-07-09 | Hydrospeicher, insbesonderer Blasenspeicher |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004005726A1 true WO2004005726A1 (de) | 2004-01-15 |
Family
ID=29796214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/004973 WO2004005726A1 (de) | 2002-07-09 | 2003-05-13 | Hydrospeicher, insbesondere blasenspeicher |
Country Status (5)
Country | Link |
---|---|
US (1) | US20050247360A1 (de) |
EP (1) | EP1556617A1 (de) |
JP (1) | JP2005532510A (de) |
DE (1) | DE10230743A1 (de) |
WO (1) | WO2004005726A1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013202294A1 (de) | 2013-02-13 | 2014-08-14 | Robert Bosch Gmbh | Energiespeicher |
DE102013202307A1 (de) | 2013-02-13 | 2014-08-14 | Robert Bosch Gmbh | Kolbenspeicher |
DE102013206397A1 (de) | 2013-04-11 | 2014-10-16 | Robert Bosch Gmbh | Energiespeicher |
DE102013218125A1 (de) | 2013-09-11 | 2015-03-12 | Robert Bosch Gmbh | Verfahren zum Betreiben einer Hochdruckspeicheranordnung |
WO2015048179A1 (en) * | 2013-09-24 | 2015-04-02 | Pentair Residential Filtration, Llc | Pressure vessel system and method |
DE102013219598A1 (de) | 2013-09-27 | 2015-04-02 | Robert Bosch Gmbh | Energiespeicher |
DE102013219618A1 (de) | 2013-09-27 | 2015-04-02 | Robert Bosch Gmbh | Energiespeicher |
DE102013219607A1 (de) | 2013-09-27 | 2015-04-02 | Robert Bosch Gmbh | Energiespeicher |
DE102013225465A1 (de) | 2013-09-27 | 2015-04-02 | Robert Bosch Gmbh | Energiespeicher |
DE102013219579A1 (de) | 2013-09-27 | 2015-04-02 | Robert Bosch Gmbh | Energiespeicher |
DE102013221552A1 (de) | 2013-10-23 | 2015-04-23 | Robert Bosch Gmbh | Energiespeicher |
DE102013225371A1 (de) | 2013-12-10 | 2015-06-11 | Robert Bosch Gmbh | Energiespeicher |
DE102014200364A1 (de) | 2014-01-10 | 2015-07-16 | Robert Bosch Gmbh | Hydropneumatischer Speicher |
DE102014202290A1 (de) | 2014-02-07 | 2015-08-13 | Robert Bosch Gmbh | Energiespeicher |
DE102014203709A1 (de) | 2014-02-28 | 2015-09-03 | Robert Bosch Gmbh | Energiespeicher |
DE102015203933A1 (de) | 2014-05-23 | 2015-11-26 | Robert Bosch Gmbh | Speicheranordnung |
DE102014209906A1 (de) | 2014-05-23 | 2015-11-26 | Robert Bosch Gmbh | Haltevorrichtung für einen Energiespeicher |
DE102015213175A1 (de) | 2015-07-14 | 2017-01-19 | Robert Bosch Gmbh | Hydropneumatischer Speicher |
USD797169S1 (en) * | 2015-08-08 | 2017-09-12 | Abduz Zahid | Pulsation dampener bladder |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3288168A (en) * | 1964-11-16 | 1966-11-29 | Mercier Olaer Patent Corp | Pressure vessel |
DE1475765A1 (de) * | 1964-06-01 | 1969-11-06 | Jean Mercier | Druckbehaelter mit einer biegsamen und elastischen Trennwand |
DE2911792A1 (de) * | 1978-03-27 | 1979-10-04 | Loukonen Ernest W | Fluessigkeitsdruckbetaetigte hilfseinrichtung |
JP2002181002A (ja) * | 2000-12-15 | 2002-06-26 | Nippon Accumulator Co Ltd | アキュムレータのブラダ取付構造 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2401791A (en) * | 1943-12-30 | 1946-06-11 | Simmonds Aerocessories Inc | Pressure vessel |
US2931392A (en) * | 1956-12-17 | 1960-04-05 | Mercier Jean | Pressure device |
NL287097A (de) * | 1961-12-29 | |||
US3259147A (en) * | 1964-10-12 | 1966-07-05 | Mercier Olaer Patent Corp | Pressure vessel |
US3920047A (en) * | 1974-03-22 | 1975-11-18 | Jacques H Mercier | Gas fitting for pressure accumulator |
US3983902A (en) * | 1974-12-05 | 1976-10-05 | United Aircraft Products, Inc. | Means for mounting a diaphragm in an accumulator-reservoir device |
US4162692A (en) * | 1976-09-07 | 1979-07-31 | Hydrotrole Limited | Hydro-pneumatic flexible bladder accumulator |
US4167201A (en) * | 1978-04-03 | 1979-09-11 | Greer Hydraulics, Inc. | Pressure accumulator with failure indicator |
US4321949A (en) * | 1979-03-16 | 1982-03-30 | The Normand Trust | Pressure vessel |
US4291726A (en) * | 1979-11-13 | 1981-09-29 | Greer Hydraulics, Incorporated | Accumulator device having safety charging port |
US4234017A (en) * | 1979-11-05 | 1980-11-18 | Normand Trust | Accumulator device or the like |
CH665884A5 (en) * | 1984-10-31 | 1988-06-15 | Stuecklin & Cie Ag | Expansion-accommodating pressure vessel for liq. - has inner container of flexible material filed with gas |
-
2002
- 2002-07-09 DE DE10230743A patent/DE10230743A1/de not_active Withdrawn
-
2003
- 2003-05-13 EP EP03730015A patent/EP1556617A1/de not_active Withdrawn
- 2003-05-13 JP JP2004518498A patent/JP2005532510A/ja active Pending
- 2003-05-13 WO PCT/EP2003/004973 patent/WO2004005726A1/de not_active Application Discontinuation
- 2003-05-13 US US10/519,091 patent/US20050247360A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1475765A1 (de) * | 1964-06-01 | 1969-11-06 | Jean Mercier | Druckbehaelter mit einer biegsamen und elastischen Trennwand |
US3288168A (en) * | 1964-11-16 | 1966-11-29 | Mercier Olaer Patent Corp | Pressure vessel |
DE2911792A1 (de) * | 1978-03-27 | 1979-10-04 | Loukonen Ernest W | Fluessigkeitsdruckbetaetigte hilfseinrichtung |
JP2002181002A (ja) * | 2000-12-15 | 2002-06-26 | Nippon Accumulator Co Ltd | アキュムレータのブラダ取付構造 |
Also Published As
Publication number | Publication date |
---|---|
JP2005532510A (ja) | 2005-10-27 |
US20050247360A1 (en) | 2005-11-10 |
DE10230743A1 (de) | 2004-01-29 |
EP1556617A1 (de) | 2005-07-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2004005726A1 (de) | Hydrospeicher, insbesondere blasenspeicher | |
DE60200511T2 (de) | Druckspeicher mit Sicherheitsventil | |
DE1946734U (de) | Filter fuer stroemende medien, insbesondere oelfilter. | |
EP1709334A1 (de) | Druckspeicher, insbesondere pulsationsdämpfer | |
DE4327969C2 (de) | Hydraulisch angetriebene Membranpumpe | |
DE102011101968A1 (de) | Fluiddruckvorrichtung | |
EP1554498A2 (de) | Hydrospeicher, vorzugsweise membranspeicher | |
DE1775721B1 (de) | Hydropneumatischer Druckspeicher und Schwingungsdaempfer | |
DE102016121605A1 (de) | Druckentlastungsdeckel zum Abbau von in einem zellenartigen Hohlraum, wie einer Batteriezelle, entstehendem Druck | |
DE102010040193A1 (de) | Kolbenpumpe mit einer Abströmung | |
DE102009049547B3 (de) | Hydropneumatischer Druckspeicher | |
DE102013107826A1 (de) | Luftfeder für ein Kraftfahrzeug | |
EP2588761A1 (de) | Druckspeicher | |
DE10041954C1 (de) | Kolbenring, insbesondere für einen Kolben eines Schwingungsdämpfers | |
WO2004005725A1 (de) | Hydrospeicher, insbesondere blasenspeicher | |
EP1384900A1 (de) | Hydrospeicher | |
EP3067570B1 (de) | Kolbenspeicher | |
WO2007000128A1 (de) | Hydraulischer druckspeicher | |
DE102012023677A1 (de) | Vorrichtung zum Anschließen eines Hochdrucksensors | |
DE3123028A1 (de) | Membranventil | |
DE102009030565A1 (de) | Dämpfungs-Einheit | |
DE2738684A1 (de) | Hydropneumatischer druckspeicher mit einsatz im anschlusstueck | |
DE102017213915A1 (de) | Druckmittelspeicher, insbesondere zum Speichern von Bremsfluid in einem Bremskreis einer elektronisch schlupfregelbaren Fahrzeugbremsanlage | |
WO2013053482A1 (de) | Filtervorrichtung | |
DE202007008175U1 (de) | Hydropneumatischer Druckspeicher |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): JP US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2003730015 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10519091 Country of ref document: US |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2004518498 Country of ref document: JP |
|
WWP | Wipo information: published in national office |
Ref document number: 2003730015 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 2003730015 Country of ref document: EP |