FR2588324A1 - Improved hydropneumatic accumulator - Google Patents

Improved hydropneumatic accumulator Download PDF

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Publication number
FR2588324A1
FR2588324A1 FR8515281A FR8515281A FR2588324A1 FR 2588324 A1 FR2588324 A1 FR 2588324A1 FR 8515281 A FR8515281 A FR 8515281A FR 8515281 A FR8515281 A FR 8515281A FR 2588324 A1 FR2588324 A1 FR 2588324A1
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FR
France
Prior art keywords
orifices
series
cap
hydropneumatic accumulator
improved
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.)
Withdrawn
Application number
FR8515281A
Other languages
French (fr)
Inventor
Jesus Lizarraga Jauregui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIZARTE SA
Original Assignee
LIZARTE SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LIZARTE SA filed Critical LIZARTE SA
Priority to FR8515281A priority Critical patent/FR2588324A1/en
Publication of FR2588324A1 publication Critical patent/FR2588324A1/en
Withdrawn legal-status Critical Current

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
    • F15B1/16—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
    • F15B2201/3151—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
    • 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
    • F15B2201/60—Assembling or methods for making accumulators
    • F15B2201/615—Assembling or methods for making ports therefor

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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)

Abstract

Improved hydropneumatic accumulator, of the type comprising an approximately spherical shell-body with means for the inlet and adjustment of hydraulic fluid and an orifice for the inlet of gas to a tank, made of elastic material, the tank C1 being held internally against the shell-body by a restraining cap 3, which is itself secured against the shell-body 1 by the zone of the gas inlet orifice by means of an anchoring plate 5 which is placed on the inside and on which an external activation screw is screwed, characterised in that the anchoring plate has a first series of orifices and the restraining cap has a second series of orifices, with at least one of the orifices of the first series coinciding with an orifice of the second series, and having, at least in one pair of coinciding orifices, means for joining the anchoring plate and restraining cap which do not project from the concavity of the anchoring plate.

Description

L'invention concerne un accumulateur hydropneumatique perfectionné. The invention relates to an improved hydropneumatic accumulator.

Sur les accumulateurs hydropneumatiques connus, l'union entre le casquet de sujétion et la plaque d'ancrage s'effectue par un poinçonnage du casquet en utilisant les bavures de coupe correspondantes pour ceindre et assujettir à la plaque d'ancrage, profitant des perforations originales dans le poinçonnement pour mettre en communication le réservoir de gaz avec l'espace existant entre le corps de la carcasse et le casquet de sujétion. On known hydropneumatic accumulators, the union between the subjection cap and the anchor plate is effected by punching the cap using the corresponding cutting burrs to belt and secure the anchor plate, taking advantage of the original perforations in the punch to put in communication the gas tank with the space existing between the body of the carcass and the cap of subjection.

Ces accumulateurs ont le grave inconvénient qu'une forte et soudaine charge de pression de fluide hydraulique fait que le matériau elastique qui constitue le réservoir à gaz arrive à frapper contre les bavures de coupe mentionnées ci-dessus, ce qui arrive à déteriorer et perforer le réservoir à gaz, laissant l'accumulateur hors de service. These accumulators have the serious disadvantage that a strong and sudden pressure of hydraulic fluid pressure causes the elastic material which constitutes the gas tank to strike against the cutting burrs mentioned above, which happens to deteriorate and perforate the gas tank, leaving the accumulator out of service.

Pour surmonter ces inconvénients, l'invention développe un accumulateur hydropneumatique perfectionné, du type comprenant une carcasse de forme approximativement sphérique avec des moyens d'entrée et de régulation de fluide hydraulique et un orifice d'entrée de gaz à un réservoir en matériau élastique ; le réservoir est retenu intérieurement contre le corps-carcasse par un casquet de sujétion, qui est lui-même assujetti contre le corps-carcasse par la zone de l'orifice d'entrée du gaz par une plaque d'ancrage placée en son intérieur et sur laquelle on visse une vis d'actionnement extérieur, ledit accumulateur étant caractérisé en ce que la plaque d'ancrage a une première série d'orifices et le casquet de sujétion a une seconde série d'orifices ; un des orifices de la première série, au moins, coïncide avec un orifice de la seconde série et disposant au moins dans deux des orifices coïncidants, de moyens d'union de la plaque d'ancrage et casquet de sujétion qui ne font point saillie de la concavité de la plaque d'ancrage. To overcome these drawbacks, the invention develops an improved hydropneumatic accumulator, of the type comprising a carcass of approximately spherical shape with inlet and regulation means for hydraulic fluid and a gas inlet orifice to a reservoir made of elastic material; the reservoir is internally retained against the body-carcass by a subjection cap, which is itself secured against the body-carcass by the area of the gas inlet orifice by an anchoring plate placed inside it and on which an external actuating screw is screwed, said accumulator being characterized in that the anchoring plate has a first series of orifices and the subjection cap has a second series of orifices; at least one of the orifices of the first series coincides with an orifice of the second series and having, in at least two of the coincident orifices, means for joining the anchor plate and subjection cap which do not protrude from the concavity of the anchor plate.

I1 se caractérise également par le fait que les moyens d'union sont des rivets. It is also characterized by the fact that the means of union are rivets.

I1 se caractérise aussi en ce que les orifices de la première série conïncident avec tous les orifices de la seconde série.  I1 is also characterized in that the orifices of the first series coincide with all the orifices of the second series.

I1 se caractérise aussi en ce que entre le casquet de sujétion et la plaque d'ancrage il reste un espace libre. It is also characterized in that between the subjection cap and the anchoring plate there remains a free space.

I1 se caractérise aussi en ce que les orifices coïncidants sont en pas de vis, et les moyens d'union sont des vis. I1 is also characterized in that the coincident orifices are in thread, and the joining means are screws.

I1 se caractérise également en ce que la plaque d'ancrage a les contours arrondis. I1 is also characterized in that the anchoring plate has rounded contours.

Pour cela, l'accumulateur hydropneumatique perfectionné de l'invention constitue une nouveauté industrielle, avec des caractéristiques propres et avantageuses par rapport aux solutions connues
La figure 1 représente une vue en sectioneQtracé de l'objet de l'invention. L'accumulateur se compose d'un corps carcasse (1) avec des moyens (11) pour l'entré-sortie du fluide hydraulique et sa régulation.For this, the improved hydropneumatic accumulator of the invention constitutes an industrial novelty, with its own characteristics and advantageous compared to known solutions.
Figure 1 shows a sectional view of the subject of the invention. The accumulator consists of a carcass body (1) with means (11) for the input-output of the hydraulic fluid and its regulation.

On dispose aussi d'un orifice (6) d'entrée de gaz pour un réservoir (C17 constitué par une paroi en matériau élastique (2). There is also a gas inlet orifice (6) for a tank (C17 constituted by a wall made of elastic material (2).

Pour assujettir une paroi en matériau élastique (2) contre la paroi interne du corps-carcasse (1) de métal, on dispose d'un casquet de sujétion (3), laissant entre ledit casquet (3) et la carcasse (1) un espace libre (4). To secure a wall of elastic material (2) against the internal wall of the metal carcass body (1), there is a subjection cap (3), leaving between said cap (3) and the carcass (1) a free space (4).

Le casquet (3) s'assujettit à la carcasse (1) au moyen. The cap (3) is secured to the carcass (1) by means.

d'une plaque d'ancrage (5) sur laquelle on visse la vis (7) d'actionnement extérieur.an anchor plate (5) on which the screw (7) for external actuation is screwed.

Entre le casquet (3) et la plaque (5) il reste un espace libre (8) qui, entre autres fonctions, améliore les conditions de serrement. Between the cap (3) and the plate (5) there remains a free space (8) which, among other functions, improves the tightening conditions.

Le casquet est agencé avec une série de perforations (9) et la plaque (5), une autre série de perforations ; les perforations de la plaque (5) étant en prolongement de celles du casquet (3) de sorte que le réservoir (C1) est en communication à travers elles, avec l'espace libre (4). The cap is arranged with a series of perforations (9) and the plate (5), another series of perforations; the perforations of the plate (5) being an extension of those of the cap (3) so that the reservoir (C1) is in communication through them, with the free space (4).

Dans ce cas concret, la plaque (5) et le casquet (3) s'unissent par deux paires d'orifices conjugués (10 bis), de ceux décrits antérieurement, les deux éléments s'unissant par des rivets (11) qui, comme on peut apprécier, ne font pas saillie sur la surface concave inférieure de la plaque (5) ; c'est pourquoi la paroi élastique (2) pour sa part (C2) directement en pression par l'en- trée de liquide à l'entrée (11t ne trouve pas dans la zone supérieure de l'accumulateur, de saillie ou bavure qui puissent l'endommager. In this concrete case, the plate (5) and the cap (3) are united by two pairs of conjugate orifices (10 bis), from those described previously, the two elements being united by rivets (11) which, as can be appreciated, do not protrude from the lower concave surface of the plate (5); this is why the elastic wall (2) for its part (C2) directly under pressure by the liquid inlet at the inlet (11t does not find in the upper zone of the accumulator, protrusion or burr which can damage it.

l'invention ne se limite aucunement à celui de ses modes d'application non plus qu'à ceux des modes de réalisation de ses diverses parties ayant plus spécialement été indiquées ; elle en embrasse au contraire toutes les variantes  the invention is in no way limited to that of its modes of application any more than to those of the embodiments of its various parts which have been more particularly indicated; on the contrary it embraces all variants

Claims (1)

REVENDICATIONS -1- Accumulateur hydropneumatique perfectionné, de ceux qui se composent d'un corps-carcasse de forme approximativement sphérique avec moyens d'entrée et de régulation de fluide hydraulique et un orifice d'entrée de gaz à un réservoir, en materiau élastique, le réservoir étant retenu internement contre le corps-carcasse par un casquet de sujétion, qui est lui-même assujetti contre le corps carcasse par la zone de l'orifice d'entrée de gaz par une plaque d'ancrage placée à l'intérieur et sur laquelle on visse une vis d'actionnement extérieur, caractérisé en ce que la plaque d'ancrage (5) a une première série d'crifices et le casquet de sujétion (3) a une seconde série d'orifices (9), l'un des orifices de la première série, au moins, coïncidant avec un orifice de la seconde série, et disposant au moins dans une paire d'orifices coïncidants, des moyens d'union de la plaque d'ancrage et casquet de sujétion qui ne font pas saillie sur la concavité de la plaque d'ancrage. CLAIMS -1- Improved hydropneumatic accumulator, of those which consist of a body-carcass of approximately spherical shape with means of inlet and regulation of hydraulic fluid and a gas inlet port to a tank, in elastic material, the tank being internally retained against the carcass body by a subjection cap, which is itself secured against the carcass body by the area of the gas inlet orifice by an anchoring plate placed inside and onto which an external actuating screw is screwed, characterized in that the anchoring plate (5) has a first series of sockets and the securing cap (3) has a second series of orifices (9), l '' one of the orifices of the first series, at least, coinciding with an orifice of the second series, and having at least in a pair of coincident orifices, means of union of the anchoring plate and subjection cap which does not do not protrude from the concavity of the anchor plate. -2- Accumulateur hydropneumatique perfectionné, selon la revendication 1, caractérisé en ce que les moyens d'union sont des rivets.-2- Improved hydropneumatic accumulator according to claim 1, characterized in that the joining means are rivets. -3- Accumulateur hydropneumatique perfectionné, selon les revendications 1 et 2 ensemble, caractérisé en ce que les orifice de la première série coïncident avec tous les orifices de la seconde série.-3- Improved hydropneumatic accumulator, according to claims 1 and 2 together, characterized in that the orifices of the first series coincide with all the orifices of the second series. -4- Accumulateur hydropneumatique perfectionné, selon les revendications 1, 2, 3 ensemble, caractérisé en ce que entre le casquet de sujétion et la plaque d'ancrage, il reste un espace libre.-4- Improved hydropneumatic accumulator according to claims 1, 2, 3 together, characterized in that between the subjection cap and the anchor plate, there remains a free space. -5- Accumulateur hydropneumatique perfectionné, sélon.les revendications 1, 2, 3, caractérisé en ce que les orifices coïncidants sont en pas de vis et les moyens d'union sont des vis.-5- Hydropneumatic accumulator improved, selon.les claims 1, 2, 3, characterized in that the coincident orifices are in thread and the joining means are screws. -6- Accumulateur hydropneumatique perfectionné, selon la revendication 1 caractérisé en ce que les contours de la de la plaque d'ancrage sont arrondis.-6- Improved hydropneumatic accumulator according to claim 1 characterized in that the contours of the anchor plate are rounded. - 7 - Accumulateur hydropneumatique perfectionné, selon la revendication 1 caractérisé en ce que la plaque d'ancrage a la forme de casquet sphérique. - 7 - Improved hydropneumatic accumulator according to claim 1 characterized in that the anchoring plate has the shape of a spherical cap.
FR8515281A 1985-10-08 1985-10-08 Improved hydropneumatic accumulator Withdrawn FR2588324A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8515281A FR2588324A1 (en) 1985-10-08 1985-10-08 Improved hydropneumatic accumulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8515281A FR2588324A1 (en) 1985-10-08 1985-10-08 Improved hydropneumatic accumulator

Publications (1)

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FR2588324A1 true FR2588324A1 (en) 1987-04-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2772099A1 (en) * 1997-12-05 1999-06-11 Peugeot MEMBRANE SPHERE OR ACCUMULATOR, FOR EXAMPLE FOR A HYDROPNEUMATIC SUSPENSION OF A MOTOR VEHICLE
CN109049491A (en) * 2018-08-29 2018-12-21 航天材料及工艺研究所 A kind of capsule component and its molding die and forming method for servo mechanism spheric accumulator

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1179402A (en) * 1956-06-06 1959-05-25 Bendix Aviat Corp Energy accumulators in hydro-pneumatic form
FR1211462A (en) * 1958-07-22 1960-03-16 Improvements to pressurized fluid separators
FR75397E (en) * 1959-03-26 1961-06-09 Improvements to pressurized fluid separators
FR1312931A (en) * 1962-01-12 1962-12-21 Greer Hydraulics Inc Pressurized fluid tank
FR79885E (en) * 1961-05-31 1963-02-08 Improvements to pressurized fluid separators
FR1493719A (en) * 1966-07-21 1967-09-01 Citroen Sa Andre Hydraulic diaphragm accumulator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1179402A (en) * 1956-06-06 1959-05-25 Bendix Aviat Corp Energy accumulators in hydro-pneumatic form
FR1211462A (en) * 1958-07-22 1960-03-16 Improvements to pressurized fluid separators
FR75397E (en) * 1959-03-26 1961-06-09 Improvements to pressurized fluid separators
FR79885E (en) * 1961-05-31 1963-02-08 Improvements to pressurized fluid separators
FR1312931A (en) * 1962-01-12 1962-12-21 Greer Hydraulics Inc Pressurized fluid tank
FR1493719A (en) * 1966-07-21 1967-09-01 Citroen Sa Andre Hydraulic diaphragm accumulator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2772099A1 (en) * 1997-12-05 1999-06-11 Peugeot MEMBRANE SPHERE OR ACCUMULATOR, FOR EXAMPLE FOR A HYDROPNEUMATIC SUSPENSION OF A MOTOR VEHICLE
WO1999030041A1 (en) * 1997-12-05 1999-06-17 Automobiles Peugeot Sphere or accumulator with membrane, such as for motor vehicle hydropneumatic suspension
US6186178B1 (en) * 1997-12-05 2001-02-13 Automobiles Peugeot Sphere or accumulator with membrane, such as for motor vehicle hydropneumatic suspension
CN109049491A (en) * 2018-08-29 2018-12-21 航天材料及工艺研究所 A kind of capsule component and its molding die and forming method for servo mechanism spheric accumulator
CN109049491B (en) * 2018-08-29 2020-09-18 航天材料及工艺研究所 Capsule assembly for spherical pressure accumulator of servo mechanism and forming die and forming method thereof

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