EP0881455B1 - Apparatus for expelling water in a torpedo launch tub of a sub-marine - Google Patents
Apparatus for expelling water in a torpedo launch tub of a sub-marine Download PDFInfo
- Publication number
- EP0881455B1 EP0881455B1 EP98401155A EP98401155A EP0881455B1 EP 0881455 B1 EP0881455 B1 EP 0881455B1 EP 98401155 A EP98401155 A EP 98401155A EP 98401155 A EP98401155 A EP 98401155A EP 0881455 B1 EP0881455 B1 EP 0881455B1
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- Prior art keywords
- piston
- expulsion device
- hydraulic
- launch
- chamber
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 40
- 239000012530 fluid Substances 0.000 claims description 19
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/28—Arrangement of offensive or defensive equipment
- B63G8/32—Arrangement of offensive or defensive equipment of torpedo-launching means; of torpedo stores or handlers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F3/00—Rocket or torpedo launchers
- F41F3/08—Rocket or torpedo launchers for marine torpedoes
- F41F3/10—Rocket or torpedo launchers for marine torpedoes from below the surface of the water
Definitions
- the present invention relates to a device for water discharge intended to equip a launching of objects from installed submerged tubes aboard a submarine or any other type of launcher or mobile or fixed submerged structure.
- FIGS 1, 2 and 3 are essentially composed of several tubes (a) torpedo launchers (b) (only one tube is shown on the figures) provided with shutters (c) at their ends and a side shutter (d).
- These torpedo tubes are connected to a delivery device of water by a launch box (e) which is located the outside of the thick hull (f) of the submarine ( Figures 1 and 3) or inside when the size of the latter allows it ( Figure 2).
- the box of launch (e) achieves a closed and sealed volume in which the water discharge device will discharge.
- the device water discharge called “water-ram” is constituted, see for example document US-A-2837971, by a pneumatic cylinder (g), placed inside the thick hull of the submarine, resulting in a connection mechanical passing through the thick shell (f), the piston (h) of the hydraulic cylinder (i) placed outside.
- a high pressure compressed air tank fitted with a launch valve is placed near the cylinder pneumatic (g) and is used to supply the latter with energy required for launch.
- a conduit (j) extends the hydraulic cylinder to the hull exterior of the submarine and is used to channel water from sea taken from the marine environment during displacement hydraulic piston.
- Some devices water discharge are equipped with a pipe resistant to immersion pressure and have a shutter.
- a silencer is installed on the exhaust and the bleeding the pneumatic cylinder.
- European patent application 0.151.980 describes and claims a variant of the "water-ram" which consists of replace the pneumatic cylinder, supplied with air compressed, by a hydraulic cylinder, supplied by a hydraulic fluid, which comes from an accumulator oleo.
- the delivery device water is a turbopump consisting of a turbine air (k) placed inside the thick shell of the submarine driving through a reducer (l), a pump (m) placed outside.
- a pipe (n) extends the pump (m) to the hull exterior of the submarine and is used to channel water from sea taken from the marine environment during pump operation.
- a compressed air circuit composed of an air tank (o) and a valve launch (p) powers the turbine (k) during the start-up of the device.
- a silencer is installed on the turbine exhaust.
- valve opening launch supplies compressed air to the turbine which drives the pump through the reduction gear speed.
- the pump delivers the water taken from the medium sailor towards the back of the weapon via the casing launch and side openings of the torpedo tube. The hydraulic pressure thus established pushes the weapon out of the torpedo tube.
- the object of the present invention is to remedy to the disadvantages of these devices known in modifying the architecture of the delivery device, so as to get better use of the pneumatic energy which makes it possible to ensure a operation with reduced noise level and without the drawbacks inherent in air relaxation compressed in a reduced space.
- Another object of the invention is to eliminate the through the thick hull by a movable element in translation or rotation likely to compromise the integrity of the thick shell.
- Another object of the invention is also to remove the periodic cleaning operations from the pneumatic cylinder rod.
- Another object of the invention is also to propose a water delivery device whose maintenance does not require prolonged immobilization of the submarine.
- the present invention achieves these goals and for this purpose relates to a delivery device of water intended to equip a launch facility objects, including a torpedo, mine or missile, from at least one tube integrated into an immersed structure, mobile or fixed, in particular a submarine, which tube is provided with at least one end shutter and one lateral shutter connecting it hydraulically to delivery device by a launch box filled with water, secured to the hull of the submarine, and constituting a closed and sealed volume in which the water is pumped back to the tube, under the action of a leading pneumatic cylinder acting on a hydraulic cylinder driven via water contained in the box and previously removed from the marine environment by a supply conduit, characterized by what the subwoofer is fixedly located outside of the shell and in that the pneumatic cylinder and the cylinder hydraulic constituting the delivery device are removable and independent to take place in or be dissociated from said box, without intervention on the hull, only means of fluid or electrical connection and the launch proper through the hull.
- the device has a pressurized gas tank in direct connection with the piston of the pneumatic cylinder leading to train him on the move, without conduit intermediate, which piston is connected to a piston of annular discharge forming a concentric crown around the pneumatic cylinder and able to move linearly, simultaneously with the piston thereof, in a corresponding concentric chamber of the cylinder hydraulic.
- the pneumatic piston connection leading to the piston hydraulic driven consists of a stirrup connected by its center at a perpendicular protruding end of said driving piston and connected by its free ends to tie rods parallel to this one and in connection with the concentric driven discharge piston, for constitute a movable hitch with respect to pneumatic and hydraulic cylinder chambers.
- Figures 4, 5, 6 and 7 show an example for implementing the invention on board a submarine equipped with torpedo tubes.
- torpedo tubes 1 with the throwing weapon 5 are shown equipped with their rear 2 and front 3 shutters which can be opened or closed, as well as their lateral shutter 4.
- the latter which can be opened or closed, plugs water inlet ports 7.
- These ports connect internal volume 8 of the torpedo tube having its lateral shutter 4 opened with the internal capacity 10 of a box of launch 9.
- the launch box 9 is connected to the thick hull 11 of the submarine and thus achieves a closed and sealed volume, but the same function can be ensured by any other provision of the launch.
- the capacity 10 of the launch box 9 communicates with the volume 12 of a hydraulic cylinder 13 thanks to its open lower part, as well as lights 14 arranged on the side wall of the jack 13.
- the latter is connected to the launch box 9 by a flange 35 fixed by elastic connections 36.
- a sealing device 37 isolates capacities 10 and 12 from the outside environment.
- a compressed gas circuit composed of pipes 51a, 51b connects the internal volume of the reservoir 28 with a source of production and distribution of compressed gas from the submarine.
- a valve 52 allows this circuit to be isolated.
- the temperature of the expanded gas must not cool the wall on which the hydraulic piston 15 of cylinder 13, in order to avoid ice formation likely to prevent the return in position of the latter.
- the movement of the pneumatic piston 20 of the cylinder 26 is transmitted to the concentric hydraulic piston 15 of circular shape, or any other shape adapted to that of cylinder 13, and annular via a stirrup 21 and tie rods 17 (at least two).
- the tie rods 17 are guided in translation by bearings 18, integral with supports 19 fixed to the jack 13. Each level is associated with a braking 16 of the tie rods 17 when they reach the end launch race.
- Dynamic sealing between volume 12 concentric and the external environment is provided by seals 22 and 23, the seal located on the volume side 12 being of preferably scraper type.
- the piston 15 is equipped with float drain valves 24 interposed between the connections to tie rods 17. In the position shown, these valves, in addition to purging the air trapped in the volume 12, allow, when the piston 15 returns in "armed" position after a launch, to supply the 12 volume of water from the outside environment.
- the capacity 31 of the pneumatic cylinder 26 contains a hydraulic fluid and can be ported with a discharge box 6 via a circuit comprising the flange 30 on which is connected the piping 32 a, b, c, d and through the device combining a valve 33 which can be opened or closed, and a means for regulating the flow rate 34 of the hydraulic fluid discharged to the discharge box 6 during the displacement of the piston 20.
- the movement of the latter is braked at the end of the launch stroke by a device 55 integrated in the flange 30.
- a hydraulic fluid circuit composed of pipes 29 a, b, c allows, thanks to a pump 56, to discharge the hydraulic fluid contained in the body discharge 6 to capacity 31, so as to cause displacement of the piston 20 from its end position launch towards the "armed" position, which also as a consequence of compressing the volume of expanded gas of the reservoir 28.
- a valve 53 makes it possible to isolate this circuit outside of its use phase and a non-return valve 38 prevents pressurization of the circuit upstream of the valve.
- This support ensures the resumption of the efforts developed by the pneumatic cylinder and it has for this purpose a link 50 immobilizing the body of the jack 26.
- a water supply channel 42 fitted with a grid 43 connects the outer shell 49 to the support 39.
- a seal flexible 44 ensures the continuity of the hull profile exterior.
- the device for water discharge is installed in the part upper part of the submarine, but any other provision performing the same functions may be considered.
- the electrical circuits for monitoring the device are not shown.
- removable connectors 47 and 48 inserted between the elements of the pipes 32 and 51, are placed in such a way that they allow, after have been dismantled, the passage of the assembly 13, 26 to through openings in the upper part of the box 9, structure 41 and the outer shell 49.
- the pneumatic piston 20 connected to the piston concentric hydraulic 15 is maintained in the position I by capacity 31 filled with fluid hydraulic, the latter being unable to flow towards the discharge box 6 when the valve 33 is held closed.
- the capacity 36 of the tank 28 is filled with gas at the pressure corresponding to the conditions of launch.
- FIG. 10b another embodiment is shown and can be considered to ensure this last function: lights 14 are deleted and the passage of water from the outside environment to capacities 12 and 10, when the piston 15 slows down, is ensured by the opening of float valves 24 of which their characteristics (passage section, difference pressure causing their opening) are adapted to this use (see Figure 6).
- valve 53 and the start-up of the pump 56 supplies hydraulic fluid under pressure, taken from the discharge tank 6 and by through the pipes 29 a, b c, 32a, b, c, la air cylinder capacity 31 26.
- the pressure generated by the pump is such that given the driving section of the pneumatic piston 20 on the fluid side hydraulic lower than the section of this same piston gas side under pressure, the thrust caused by the pressurization of the capacity 31 is greater than the thrust due to partially expanded pressurized gas in tank 28. Moving to position I of the piston 20 driving the piston 15 is then produced, as well as the compression of the gas contained in the tank 28.
- the float valves 24 act as check valves non-return and allow the passage of the water withdrawn in the external environment towards capacity 12 of the jack hydraulics 13.
- valve 53 is closed and the device is ready for a new launch after the gas pressure compressed in reservoir 28 has been adjusted to nominal pressure.
- the device which has just been described finds also its application in the ejection of lures or any other type of countermeasures, as well as in ejection of recoverable submarine powered bodies or the ejection of inert bodies for load shedding operations.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Description
La présente invention concerne un dispositif de refoulement d'eau destiné à équiper une installation de lancement d'objets à partir de tubes immergés installés à bord d'un sous-marin ou de tout autre type de lanceur ou de structure immergée mobile ou fixe.The present invention relates to a device for water discharge intended to equip a launching of objects from installed submerged tubes aboard a submarine or any other type of launcher or mobile or fixed submerged structure.
Les dispositifs connus de ce type sont utilisés dans le domaine militaire pour lancer des objets à partir de tubes lance-torpilles de sous-marins.Known devices of this type are used in the military to launch objects at from submarine torpedo tubes.
Ces dispositifs illustrés aux figures 1, 2 et 3 sont essentiellement composés de plusieurs tubes (a) lance-torpilles (b) (un seul tube est représenté sur les figures) munis d'obturateurs (c) à leurs extrémités et d'un obturateur latéral (d). Ces tubes lance-torpilles sont reliés à un dispositif de refoulement d'eau par un caisson de lancement (e) qui est situé à l'extérieur de la coque épaisse (f) du sous-marin (figures 1 et 3) ou à l'intérieur lorsque la taille de ce dernier le permet (figure 2). Le caisson de lancement (e) réalise un volume fermé et étanche dans lequel le dispositif de refoulement d'eau va refouler.These devices illustrated in Figures 1, 2 and 3 are essentially composed of several tubes (a) torpedo launchers (b) (only one tube is shown on the figures) provided with shutters (c) at their ends and a side shutter (d). These torpedo tubes are connected to a delivery device of water by a launch box (e) which is located the outside of the thick hull (f) of the submarine (Figures 1 and 3) or inside when the size of the latter allows it (Figure 2). The box of launch (e) achieves a closed and sealed volume in which the water discharge device will discharge.
Selon les figures 1 et 2, le dispositif de refoulement d'eau appelé "water-ram" est constitué, voir par exemple le document US-A-2837971, par un vérin pneumatique (g), placé à l'intérieur de la coque épaisse du sous-marin, entraínant par une liaison mécanique traversant la coque épaisse (f), le piston (h) du vérin hydraulique (i) placé à l'extérieur. Un réservoir d'air comprimé à haute pression muni d'une vanne de lancement est placé à proximité du vérin pneumatique (g) et sert à alimenter ce dernier en énergie nécessaire au lancement. Un conduit (j) prolonge le vérin hydraulique jusqu'à la coque extérieure du sous-marin et sert à canaliser l'eau de mer prélevée dans le milieu marin lors du déplacement du piston hydraulique. Certains dispositifs de refoulement d'eau sont équipés d'un conduit résistant à la pression d'immersion et sont munis d'un obturateur. Un silencieux est installé sur l'échappement et la purge du vérin pneumatique.According to Figures 1 and 2, the device water discharge called "water-ram" is constituted, see for example document US-A-2837971, by a pneumatic cylinder (g), placed inside the thick hull of the submarine, resulting in a connection mechanical passing through the thick shell (f), the piston (h) of the hydraulic cylinder (i) placed outside. A high pressure compressed air tank fitted with a launch valve is placed near the cylinder pneumatic (g) and is used to supply the latter with energy required for launch. A conduit (j) extends the hydraulic cylinder to the hull exterior of the submarine and is used to channel water from sea taken from the marine environment during displacement hydraulic piston. Some devices water discharge are equipped with a pipe resistant to immersion pressure and have a shutter. A silencer is installed on the exhaust and the bleeding the pneumatic cylinder.
La demande de brevet européen 0.151.980 décrit et revendique une variante du "water-ram" qui consiste à remplacer le vérin pneumatique, alimenté par de l'air comprimé, par un vérin hydraulique, alimenté par un fluide hydraulique, qui provient d'un accumulateur oléo-pneumatique.European patent application 0.151.980 describes and claims a variant of the "water-ram" which consists of replace the pneumatic cylinder, supplied with air compressed, by a hydraulic cylinder, supplied by a hydraulic fluid, which comes from an accumulator oleo.
Une autre variante, non mise en service à ce jour, remplace le vérin pneumatique par un moteur linéaire.Another variant, not put into service to date, replaces the pneumatic cylinder with a linear motor.
Selon la figure 3, le dispositif de refoulement d'eau est une turbopompe constituée par une turbine à air (k) placée à l'intérieur de la coque épaisse du sous-marin entraínant par l'intermédiaire d'un réducteur (l), une pompe (m) placée à l'extérieur. Un conduit (n) prolonge la pompe (m) jusqu'à la coque extérieure du sous-marin et sert à canaliser l'eau de mer prélevée dans le milieu marin lors du fonctionnement de la pompe. Un circuit d'air comprimé composé d'un réservoir d'air (o) et d'une vanne de lancement (p) alimente la turbine (k) lors de la mise en oeuvre du dispositif. Un silencieux est installé sur l'échappement de la turbine.According to Figure 3, the delivery device water is a turbopump consisting of a turbine air (k) placed inside the thick shell of the submarine driving through a reducer (l), a pump (m) placed outside. A pipe (n) extends the pump (m) to the hull exterior of the submarine and is used to channel water from sea taken from the marine environment during pump operation. A compressed air circuit composed of an air tank (o) and a valve launch (p) powers the turbine (k) during the start-up of the device. A silencer is installed on the turbine exhaust.
Le principe de fonctionnement de ces dispositifs est succinctement décrit ci-après :The operating principle of these devices is briefly described below:
Dans le cas de l'utilisation d'un "water-ram" actionné par un vérin pneumatique (figures 1 et 2), lors d'un lancement, dès l'ouverture de la vanne de lancement, le piston hydraulique entraíné par le vérin pneumatique alimenté par l'air comprimé haute pression contenu dans le réservoir, refoule l'eau de mer via le caisson de lancement vers le tube lance-torpilles concerné, celui-ci ayant son ouverture latérale ouverte. La mise en pression à l'arrière du tube lance-torpilles permet la chasse de l'arme à l'extérieur du sous-marin.In the case of the use of a "water-ram" actuated by a pneumatic cylinder (Figures 1 and 2), during a launch, as soon as the valve opens launch, the hydraulic piston driven by the cylinder pneumatic powered by high pressure compressed air contained in the tank, discharges seawater via the launch box to the torpedo tube concerned, this one having its lateral opening opened. Pressurization at the rear of the torpedo tube allows hunting of the weapon outside the submarine.
Dans le cas d'un dispositif utilisant une turbopompe (figure 3), l'ouverture de la vanne de lancement alimente en air comprimé la turbine qui entraíne la pompe par l'intermédiaire du réducteur de vitesse. La pompe refoule l'eau prélevée dans le milieu marin vers l'arrière de l'arme via le caisson de lancement et les ouvertures latérales du tube lance-torpilles. La pression hydraulique ainsi établie pousse l'arme hors du tube lance-torpilles.In the case of a device using a turbopump (Figure 3), the valve opening launch supplies compressed air to the turbine which drives the pump through the reduction gear speed. The pump delivers the water taken from the medium sailor towards the back of the weapon via the casing launch and side openings of the torpedo tube. The hydraulic pressure thus established pushes the weapon out of the torpedo tube.
Ces dispositifs largement utilisés sur des sous-marins présentent de part leur architecture et principe de fonctionnement, quelques inconvénients.These devices widely used on submarines present their architecture and principle some disadvantages.
Pour les dispositifs de lancement utilisant un dispositif de refoulement d'eau de type "water-ram" actionné par un vérin pneumatique :
- l'installation de ces dispositifs de refoulement d'eau est réalisée au cours de la construction du sous-marin et avant la mise en place de la partie avant. Ces dispositifs restent installés pendant toute la durée de vie du bâtiment. L'ensemble vérin pneumatique-vérin hydraulique occupe un espace important de part et d'autre de la coque épaisse et nécessite la réalisation d'une ouverture de coque dans laquelle coulisse la tige du vérin pneumatique. Hors utilisation, le maintien en position "armé" du dispositif expose la liaison mécanique entre le vérin pneumatique et le piston hydraulique aux agressions du milieu marin (salissures et dépôt de concrétions),
- l'intégrité de la coque épaisse est assurée par des joints d'étanchéité dynamiques situés sur la tige du vérin pneumatique et l'état de surface de cette liaison est primordial, car il ne doit pas détériorer au cours de sa translation, les joints d'étanchéité assurant l'intégrité de la coque épaisse. Ceci impose une maintenance fréquente (manoeuvres périodiques à vide du dispositif en patrouille) pour conserver un état de surface suffisant pour ne pas agresser les joints,
- en cas de défaillance de cette étanchéité, rien ne s'oppose à l'envahissement par le milieu marin de l'intérieur du bâtiment dans le cas d'une disposition du conduit d'amenée d'eau non résistant et non équipé d'un obturateur de coque,
- le fonctionnement du dispositif provoque, pendant la chasse de l'arme, le déplacement à grande vitesse du vérin pneumatique et du piston hydraulique qui sont fortement imbriqués dans les structures internes et dans la coque épaisse du sous-marin. Ce mouvement induit des vibrations importantes source de bruit pouvant rendre le bâtiment détectable par l'ennemi. Pendant cette même phase, l'admission d'air comprimé dans la capacité motrice du vérin pneumatique provoque un bruit important,
- au cours de la mise au repos ou lors de la préparation du dispositif pour une nouvelle chasse succédant à un lancement, la purge de l'air comprimé contenu dans la capacité motrice du vérin pneumatique réalisée dans l'espace réduit que représente l'intérieur d'un sous-marin, provoque une augmentation de la pression de cette enceinte, ainsi qu'un refroidissement sensible de l'atmosphère du sous-marin, surtout lorsque plusieurs chasses sont effectuées dans un laps de temps relativement court. Cette purge provoque un bruit aérien à l'intérieur du sous-marin qui se propage en mer et crée ainsi une autre source d'indiscrétion du bâtiment.
- the installation of these water delivery devices is carried out during the construction of the submarine and before the installation of the front part. These devices remain installed throughout the life of the building. The pneumatic cylinder-hydraulic cylinder assembly occupies a large space on either side of the thick shell and requires the creation of a shell opening in which the rod of the pneumatic cylinder slides. When not in use, keeping the device in the "armed" position exposes the mechanical connection between the pneumatic cylinder and the hydraulic piston to attack by the marine environment (soiling and deposit of concretions),
- the integrity of the thick shell is ensured by dynamic seals located on the rod of the pneumatic cylinder and the surface condition of this connection is essential, as it must not deteriorate during its translation, the seals d sealing ensuring the integrity of the thick shell. This requires frequent maintenance (periodic vacuum maneuvers of the device on patrol) to maintain a sufficient surface condition so as not to attack the seals,
- in the event of failure of this seal, nothing prevents invasion by the marine environment of the interior of the building in the case of a provision of the non-resistant water supply duct not equipped with a hull shutter,
- the operation of the device causes, during the hunting of the weapon, the displacement at high speed of the pneumatic cylinder and of the hydraulic piston which are strongly nested in the internal structures and in the thick hull of the submarine. This movement induces significant noise source vibrations that can make the building detectable by the enemy. During this same phase, the admission of compressed air into the drive capacity of the pneumatic cylinder causes significant noise,
- during the resting period or during the preparation of the device for a new flush following a launch, the bleeding of the compressed air contained in the drive capacity of the pneumatic cylinder carried out in the reduced space represented by the interior d 'a submarine, causes an increase in the pressure of this enclosure, as well as a significant cooling of the atmosphere of the submarine, especially when several hunts are carried out in a relatively short period of time. This purge causes airborne noise inside the submarine which propagates at sea and thus creates another source of indiscretion of the vessel.
Pour les dispositifs de lancement utilisant une turbopompe :
- l'installation d'une turbopompe impose la réalisation d'une ouverture de grande dimension dans la cloison avant du sous-marin. Le démontage pour entretien de la turbopompe ne peut se faire qu'à l'aide de dispositifs de manutention appropriés et nécessite un clair de passage à l'intérieur du bâtiment, ainsi qu'une ouverture de coque, capables du diamètre extérieur de la bride d'assemblage de la turbopompe à la cloison avant du sous-marin,
- l'intégrité de la coque épaisse est assurée par des éléments mécaniques de la pompe résistant à la pression d'immersion, mais également par des joints d'étanchéité dynamiques situés sur l'arbre d'entraínement de la pompe qui traverse la coque épaisse du sous-marin,
- en cas de défaillance de cette étanchéité, rien ne s'oppose à l'envahissement par le milieu marin de l'intérieur du bâtiment dans le cas d'une disposition du conduit d'amenée d'eau non résistant et non équipé d'un obturateur de coque,
- le fonctionnement de la turbine, outre la surpression et le refroidissement de l'atmosphère à l'intérieur du sous-marin dus à l'échappement de l'air détendu, crée des risques physiologiques graves vis-à-vis du personnel au cours de la détente pendant une durée très brève d'une masse d'air à haute pression. Cette détente brutale produit un bruit aérien très important qui, pour en atténuer les effets, nécessite la mise en place d'un silencieux de grande dimension.
- the installation of a turbopump requires the creation of a large opening in the front bulkhead of the submarine. Disassembly for maintenance of the turbopump can only be done using appropriate handling devices and requires a clear passage inside the building, as well as a hull opening, capable of the outside diameter of the flange assembly of the turbopump to the front bulkhead of the submarine,
- the integrity of the thick shell is ensured by mechanical elements of the pump resistant to immersion pressure, but also by dynamic seals located on the drive shaft of the pump which passes through the thick shell of the submarine,
- in the event of failure of this seal, nothing prevents invasion by the marine environment of the interior of the building in the case of a provision of the non-resistant water supply duct not equipped with a hull shutter,
- the operation of the turbine, in addition to the overpressure and cooling of the atmosphere inside the submarine due to the exhaust of the relaxed air, creates serious physiological risks for personnel during the expansion for a very short time of a mass of high pressure air. This sudden expansion produces a very significant air noise which, to mitigate the effects, requires the installation of a large silencer.
Le but de la présente invention est de remédier aux inconvénients de ces dispositifs connus en modifiant l'architecture du dispositif de refoulement, de manière à obtenir une meilleure utilisation de l'énergie pneumatique qui permette d'assurer un fonctionnement avec un niveau de bruit réduit et sans les inconvénients inhérents à la détente de l'air comprimé dans un espace réduit.The object of the present invention is to remedy to the disadvantages of these devices known in modifying the architecture of the delivery device, so as to get better use of the pneumatic energy which makes it possible to ensure a operation with reduced noise level and without the drawbacks inherent in air relaxation compressed in a reduced space.
Un autre but de l'invention est de supprimer la traversée de la coque épaisse par un élément mobile en translation ou en rotation susceptible de compromettre l'intégrité de la coque épaisse.Another object of the invention is to eliminate the through the thick hull by a movable element in translation or rotation likely to compromise the integrity of the thick shell.
Un autre but de l'invention est également de supprimer les manoeuvres périodiques de nettoyage de la tige du vérin pneumatique.Another object of the invention is also to remove the periodic cleaning operations from the pneumatic cylinder rod.
Un autre but de l'invention est également de proposer un dispositif de refoulement d'eau dont la maintenance n'exige pas une immobilisation prolongée du sous-marin.Another object of the invention is also to propose a water delivery device whose maintenance does not require prolonged immobilization of the submarine.
La présente invention permet d'atteindre ces buts et concerne à cet effet un dispositif de refoulement d'eau destiné à équiper une installation de lancement d'objets, notamment torpille, mine ou missile, à partir d'au moins un tube intégré à une structure immergée, mobile ou fixe, notamment un sous-marin, lequel tube est muni d'au moins un obturateur d'extrémité et d'un obturateur latéral le reliant hydrauliquement au dispositif de refoulement par un caisson de lancement rempli d'eau, solidaire de la coque du sous-marin, et constituant un volume fermé et étanche dans lequel s'effectue le refoulement d'eau vers le tube, sous l'action d'un vérin pneumatique menant agissant sur un vérin hydraulique mené par l'intermédiaire de l'eau contenue dans le caisson et prélevée préalablement dans le milieu marin par un conduit d'amenée, caractérisé en ce que le caisson est situé fixement à l'extérieur de la coque et en ce que le vérin pneumatique et le vérin hydraulique constituant le dispositif de refoulement sont amovibles et indépendants pour pouvoir prendre place dans ledit caisson ou en être dissociés, sans intervention sur la coque, seuls des moyens de raccordement fluidiques ou électriques et les tubes de lancement proprement dits traversant la coque.The present invention achieves these goals and for this purpose relates to a delivery device of water intended to equip a launch facility objects, including a torpedo, mine or missile, from at least one tube integrated into an immersed structure, mobile or fixed, in particular a submarine, which tube is provided with at least one end shutter and one lateral shutter connecting it hydraulically to delivery device by a launch box filled with water, secured to the hull of the submarine, and constituting a closed and sealed volume in which the water is pumped back to the tube, under the action of a leading pneumatic cylinder acting on a hydraulic cylinder driven via water contained in the box and previously removed from the marine environment by a supply conduit, characterized by what the subwoofer is fixedly located outside of the shell and in that the pneumatic cylinder and the cylinder hydraulic constituting the delivery device are removable and independent to take place in or be dissociated from said box, without intervention on the hull, only means of fluid or electrical connection and the launch proper through the hull.
Selon une autre caractéristique de l'invention, le dispositif comporte un réservoir de gaz sous pression en liaison directe avec le piston du vérin pneumatique menant pour l'entraíner en déplacement, sans conduit intermédiaire, lequel piston est relié à un piston de refoulement annulaire formant une couronne concentrique autour du vérin pneumatique et apte à se déplacer linéairement, simultanément au piston de celui-ci, dans une chambre concentrique correspondante du vérin hydraulique.According to another characteristic of the invention, the device has a pressurized gas tank in direct connection with the piston of the pneumatic cylinder leading to train him on the move, without conduit intermediate, which piston is connected to a piston of annular discharge forming a concentric crown around the pneumatic cylinder and able to move linearly, simultaneously with the piston thereof, in a corresponding concentric chamber of the cylinder hydraulic.
Selon une autre caractéristique de l'invention, la liaison du piston pneumatique menant au piston hydraulique mené est constituée par un étrier relié par son centre à une extrémité sortante perpendiculaire dudit piston menant et relié par ses extrémités libres à des tirants parallèles à celui-ci et en liaison avec le piston de refoulement mené concentrique, pour constituer un attelage solidaire mobile par rapport aux chambres des vérins pneumatique et hydraulique.According to another characteristic of the invention, the pneumatic piston connection leading to the piston hydraulic driven consists of a stirrup connected by its center at a perpendicular protruding end of said driving piston and connected by its free ends to tie rods parallel to this one and in connection with the concentric driven discharge piston, for constitute a movable hitch with respect to pneumatic and hydraulic cylinder chambers.
D'autres avantages apparaítront au cours de la description qui va suivre comme, par exemple :
- Le diamètre du piston hydraulique est augmenté pour que sa vitesse de déplacement pendant la chasse soit réduite par rapport à celle d'un piston hydraulique d'un système connu.
- Le vérin pneumatique est directement alimenté par le réservoir de gaz sous pression, ce qui élimine les tuyautages et appareils de distribution créant des pertes de charges et des singularités sources de bruit. De plus, la vitesse du gaz sous pression au cours de sa détente sera celle du déplacement du piston hydraulique.
- Le vérin pneumatique fonctionne suivant le principe d'un accumulateur oléo-pneumatique sans qu'il soit nécessaire, dans un enchaínement de plusieurs chasses successives, de purger le gaz comprimé puisque le retour en position "armé" du dispositif est réalisé par le rechargement en fluide hydraulique de la capacité retour du vérin pneumatique à l'aide d'une pompe haute pression. Le déplacement du piston pneumatique comprime ainsi à nouveau le volume de gaz.
- L'ensemble constitué par le vérin pneumatique et le vérin hydraulique, imbriqués l'un dans l'autre, est placé à l'extérieur de la coque épaisse du sous-marin sans qu'il y ait d'autres liaisons avec celle-ci que celles de type mécanique de fixation, de type fluide et électrique pour les servitudes et la surveillance de cet ensemble.
- L'ensemble ainsi réalisé est fixé à la structure extérieure du sous-marin par des liaisons mécaniques de type élastique, de façon à réduire la transmission des vibrations à la coque du sous-marin.
- Hormis la phase d'utilisation du dispositif de refoulement d'eau, de durée très brève, qui place la tige du piston pneumatique en position sortie, celle-ci est maintenue en position rentrée par le remplissage en fluide hydraulique de la capacité retour du vérin pneumatique, donc soustraite aux agressions du milieu marin.
- Le dispositif de refoulement d'eau peut être désolidarisé du sous-marin par les seuls démontages des liaisons mécaniques de fixation et des liaisons des circuits de fluides et électriques avec un minimum de travaux permettant ainsi une maintenance plus facile en atelier ou le remplacement d'un ensemble complet dans un minimum de temps.
- Les matériels installés à l'intérieur de la coque épaisse occupent un espace limité et ne réclament pas de dispositifs particuliers pour leur manutention.
- The diameter of the hydraulic piston is increased so that its speed of movement during hunting is reduced compared to that of a hydraulic piston of a known system.
- The pneumatic cylinder is directly supplied by the pressurized gas tank, which eliminates pipes and distribution devices creating pressure losses and singular sources of noise. In addition, the speed of the gas under pressure during its expansion will be that of the displacement of the hydraulic piston.
- The pneumatic cylinder operates according to the principle of an oleo-pneumatic accumulator without it being necessary, in a sequence of several successive flushes, to purge the compressed gas since the return to the "armed" position of the device is achieved by recharging in hydraulic fluid of the pneumatic cylinder return capacity using a high pressure pump. The displacement of the pneumatic piston thus again compresses the volume of gas.
- The assembly constituted by the pneumatic cylinder and the hydraulic cylinder, nested one inside the other, is placed outside the thick hull of the submarine without there being any other connections with it. as those of mechanical fixing type, of fluid and electric type for the easements and the surveillance of this set.
- The assembly thus produced is fixed to the external structure of the submarine by mechanical connections of the elastic type, so as to reduce the transmission of vibrations to the hull of the submarine.
- Except for the use phase of the water delivery device, of very short duration, which places the rod of the pneumatic piston in the extended position, it is maintained in the retracted position by filling with hydraulic fluid the return capacity of the jack. pneumatic, therefore immune to attacks from the marine environment.
- The water discharge device can be separated from the submarine by the only dismantling of the mechanical fixing connections and the connections of the fluid and electrical circuits with a minimum of work, thus allowing easier maintenance in the workshop or the replacement of a complete set in a minimum of time.
- The materials installed inside the thick hull occupy a limited space and do not require special devices for their handling.
D'autres caractéristiques ressortiront encore au cours de la description qui va suivre et qui devront être considérées isolément ou selon toutes leurs combinaisons techniques possibles.Other characteristics will emerge further during the description which follows and which must be considered in isolation or according to all their possible technical combinations.
Cette description, donnée à titre d'exemple non limitatif, fera mieux comprendre comment l'invention peut être réalisée, en référence aux dessins annexés sur lesquels :
- les figures 1, 2
et 3 représentent des exemples de réalisation illustrant l'art antérieur ; - la figure 4 est une vue d'ensemble en coupe selon la ligne A-A de la figure 7 ;
- la figure 5 est une vue partielle de la figure 4 à échelle agrandie ;
- la figure 6 est une vue de détail de la figure 4 montrant un clapet de purge à flotteur équipant le piston hydraulique ;
- la figure 7 est une vue en coupe selon la ligne B-B de la figure 4 ;
- la figure 8 est une vue du dispositif selon l'invention dans une phase de maintenance ;
- les figures 9, 10a, 10b et 11 sont des schémas de principe du fonctionnement du dispositif selon l'invention au cours de différentes phases.
- Figures 1, 2 and 3 show exemplary embodiments illustrating the prior art;
- Figure 4 is an overall sectional view along line AA of Figure 7;
- Figure 5 is a partial view of Figure 4 on an enlarged scale;
- Figure 6 is a detail view of Figure 4 showing a float purge valve fitted to the hydraulic piston;
- Figure 7 is a sectional view along line BB of Figure 4;
- Figure 8 is a view of the device according to the invention in a maintenance phase;
- Figures 9, 10a, 10b and 11 are block diagrams of the operation of the device according to the invention during different phases.
Les figures 4, 5, 6 et 7 représentent un exemple de mise en application de l'invention à bord d'un sous-marin équipé de tubes lance-torpilles.Figures 4, 5, 6 and 7 show an example for implementing the invention on board a submarine equipped with torpedo tubes.
Dans cette configuration qui correspond à la
situation "repos" du dispositif, des tubes lance-torpilles
1 munis de l'arme à lancer 5 sont représentés
équipés de leurs obturateurs arrière 2 et avant 3 qui
peuvent être ouverts ou fermés, ainsi que de leur
obturateur latéral 4. Ce dernier qui peut être ouvert
ou fermé, obture des orifices d'entrée d'eau 7. Ces
orifices mettent en communication le volume interne 8
du tube lance-torpilles ayant son obturateur latéral 4
ouvert avec la capacité interne 10 d'un caisson de
lancement 9. Il est à noter que dans l'exemple
représenté, le caisson de lancement 9 est relié à la
coque épaisse 11 du sous-marin et réalise ainsi un
volume fermé et étanche, mais la même fonction peut
être assurée par toute autre disposition du caisson de
lancement.In this configuration which corresponds to the
"rest" situation of the device,
La capacité 10 du caisson de lancement 9
communique avec le volume 12 d'un vérin hydraulique 13
grâce à sa partie inférieure ouverte, ainsi que par les
lumières 14 disposées sur la paroi latérale du vérin
13. Ce dernier est relié au caisson de lancement 9 par
une bride 35 fixée par des liaisons élastiques 36. Un
dispositif d'étanchéité 37 isole les capacités 10 et 12
du milieu extérieur.The
A l'intérieur du vérin 13, est placé d'une manière
concentrique un vérin pneumatique 26 dont la bride 27
reçoit un réservoir de gaz comprimé 28. Des joints 29
assurent l'étanchéité entre les volumes internes du
vérin 26 et du réservoir 28 et le milieu extérieur.Inside the
Un circuit de gaz comprimé composé des tuyautages
51a, 51b met en communication le volume interne du
réservoir 28 avec une source de production et de
distribution de gaz comprimé du sous-marin. Une vanne
52 permet d'isoler ce circuit.A compressed gas circuit composed of
Une enveloppe 25 à l'intérieur de laquelle se
trouve un isolant thermique 54, entoure le vérin
pneumatique 26 de façon à faire obstacle aux échanges
thermiques par conduction et convection entre le gaz
détendu et refroidi du réservoir 28 lors d'une chasse
et le milieu extérieur. La température du gaz détendu
ne doit pas refroidir la paroi sur laquelle s'appuie le
piston hydraulique 15 du vérin 13, afin d'éviter la
formation de glace susceptible d'empêcher le retour en
position de ce dernier.An
Le mouvement du piston pneumatique 20 du vérin 26
est transmis au piston hydraulique concentrique 15 de
forme circulaire, ou toute autre forme adaptée à celle
du cylindre 13, et annulaire par l'intermédiaire d'un
étrier 21 et de tirants 17 (au moins deux).The movement of the
Les tirants 17 sont guidés en translation par des
paliers 18, solidaires de supports 19 fixés au vérin
13. A chaque palier, est associé un dispositif de
freinage 16 des tirants 17 lorsqu'ils arrivent en fin
de course de lancement. Le vérin 13 et l'enveloppe 25
du vérin pneumatique 26, dont les parois sont revêtues
d'un matériau adapté aux conditions de frottement dans
le milieu marin, servent de guide concentrique au
piston 15. L'étanchéité dynamique entre le volume 12
concentrique et le milieu extérieur est assurée par les
joints 22 et 23, le joint situé côté volume 12 étant de
préférence de type racleur.The
Selon la figure 6, le piston 15 est équipé de
clapets de purge à flotteur 24 intercalés entre les
liaisons aux tirants 17. Dans la position représentée,
ces clapets, outre la purge de l'air emprisonné dans le
volume 12, permettent, lors du retour du piston 15 en
position "armé" après un lancement, d'alimenter le
volume 12 en eau provenant du milieu extérieur.According to Figure 6, the
La capacité 31 du vérin pneumatique 26 contient un
fluide hydraulique et peut être mise en communication
avec une caisse de décharge 6 par l'intermédiaire d'un
circuit comprenant la bride 30 sur laquelle est
raccordé le tuyautage 32 a, b, c, d et au travers du
dispositif combinant une vanne 33 qui peut être ouverte
ou fermée, et un moyen de régulation du débit 34 du
fluide hydraulique refoulé vers la caisse de décharge 6
au cours du déplacement du piston 20. Le mouvement de
ce dernier est freiné en fin de course de lancement par
un dispositif 55 intégré dans la bride 30.The
Un circuit de fluide hydraulique composé des
tuyautages 29 a, b, c permet, grâce à une pompe 56, de
refouler le liquide hydraulique contenu dans la caisse
de décharge 6 vers la capacité 31, de façon à provoquer
le déplacement du piston 20 de sa position fin de
lancement vers la position "armé", ce qui a également
pour conséquence dé comprimer le volume de gaz détendu
du réservoir 28. Une vanne 53 permet d'isoler ce
circuit en dehors de sa phase d'utilisation et un
clapet de non-retour 38 empêche la mise en pression du
circuit en amont du clapet.A hydraulic fluid circuit composed of
Au-dessus du vérin hydraulique 13, est disposé un
support 39 fixé par des liaisons élastiques 40 à une
structure 41 solidaire du caisson de lancement 9. Ce
support assure la reprise des efforts développés par le
vérin pneumatique et il comporte à cet effet une
liaison 50 immobilisant le corps du vérin 26.Above the
Un canal d'amenée d'eau 42 équipé d'une grille 43
relie la coque extérieure 49 au support 39. Un joint
souple 44 assure la continuité du profil de la coque
extérieure.A
Un circuit composé des tuyautages 45 a, b et de la
vanne 46 qui peut être ouverte ou fermée, permet de
mettre en équipression les volumes 12 et 10 avec le
milieu extérieur ou de les isoler de ce milieu.A circuit composed of
Dans cet exemple de réalisation, le dispositif de refoulement d'eau est installé dans la partie supérieure du sous-marin, mais toute autre disposition remplissant les mêmes fonctions peut être envisagée. Les circuits électriques de surveillance du dispositif ne sont pas représentés.In this embodiment, the device for water discharge is installed in the part upper part of the submarine, but any other provision performing the same functions may be considered. The electrical circuits for monitoring the device are not shown.
Selon la figure 8, des raccords démontables 47 et
48, intercalés entre les éléments des tuyautages 32 et
51, sont placés de façon telle qu'ils permettent, après
avoir été démontés, le passage de l'ensemble 13, 26 au
travers des ouvertures de la partie supérieure du
caisson 9, de la structure 41 et de la coque extérieure
49.According to FIG. 8,
Le fonctionnement du dispositif est le suivant :The operation of the device is as follows:
Selon la figure 9 correspondant à la situation du
dispositif avant le lancement, le tube lance-torpilles
1 muni de l'arme à lancer 5 a été préalablement rempli
d'eau et la pression du volume interne 8 équilibrée par
rapport à la pression de l'enceinte 10. Puis les
obturateurs 3 et 4 ayant été ouverts, la vanne
d'équilibrage 46 est fermée.According to Figure 9 corresponding to the situation of the
device before launch, the
Le piston pneumatique 20 relié au piston
hydraulique concentrique 15 est maintenu dans la
position I par la capacité 31 remplie de fluide
hydraulique, ce dernier ne pouvant s'écouler vers la
caisse de décharge 6 lorsque la vanne 33 est maintenue
fermée.The
La capacité 36 du réservoir 28 est remplie de gaz
à la pression correspondant aux conditions de
lancement.The
Selon la figure 10a correspondant à la position de
lancement, l'ouverture de la vanne 33 autorise par les
tuyautages 32 a, b, c et d, le refoulement vers la
caisse de décharge 6 et au travers du dispositif de
régulation du débit 34 du fluide hydraulique contenu
dans la capacité 31 par le déplacement jusqu'à la
position II du piston pneumatique 20 poussé par le gaz
sous pression contenu dans le réservoir 28. Le piston
hydraulique concentrique 15 entraíné par le piston
pneumatique 20 pousse l'eau du volume 12 vers le volume
10 du caisson de lancement 9 et alimente ainsi en eau
sous pression au travers des orifices d'entrée d'eau 7,
le volume 8 du tube lance-torpilles 1 jusqu'à provoquer
le départ de l'arme à lancer et l'alimentation de ce
volume pendant le parcours de l'arme jusqu'à sa sortie
du tube lance-torpilles.According to Figure 10a corresponding to the position of
launch, the opening of the
Lorsque le piston hydraulique 15 atteint la
position II, les dispositifs de freinage 16 et 55
incorporés respectivement aux guides 18 et à la bride
30 commencent à agir et ralentissent le mouvement des
pistons 15 et 20 entre les positions II et III. L'arrêt
du mouvement est provoqué par le contact du piston 20
avec la bride 30. Pendant le déplacement du piston 15
entre les positions II et III, ce dernier découvre
progressivement les lumières 14 du cylindre hydraulique
13, de façon à alimenter le volume 10 du caisson de
lancement en eau venant du milieu extérieur pour ne pas
provoquer le coup de bélier du à l'arrêt brusque de la
colonne d'eau en mouvement.When the
Selon la figure 10b, un autre mode de réalisation
est représenté et peut être envisagé pour assurer cette
dernière fonction : les lumières 14 sont supprimées et
le passage de l'eau du milieu extérieur vers les
capacités 12 et 10, lorsque le piston 15 ralentit, est
assuré par l'ouverture des clapets à flotteur 24 dont
leurs caractéristiques (section de passage, différence
de pression provoquant leur ouverture) sont adaptées à
cet usage (voir figure 6).According to FIG. 10b, another embodiment
is shown and can be considered to ensure this
last function:
Enfin, selon la figure 11 correspondant au retour
en position "armé" du dispositif, l'obturateur 4 du
tube lance-torpilles venant de lancer est refermé,
ainsi que la vanne de lancement 33. La vanne
d'équilibrage 46 est à nouveau ouverte.Finally, according to Figure 11 corresponding to the return
in the "armed" position of the device, the
L'ouverture de la vanne 53 et la mise en route de
la pompe 56 alimentent en fluide hydraulique sous
pression, prélevé dans la caisse de décharge 6 et par
l'intermédiaire des tuyautages 29 a, b c, 32a, b, c, la
capacité 31 du vérin pneumatique 26. La pression
générée par la pompe est telle que, compte tenu de la
section motrice du piston pneumatique 20 côté fluide
hydraulique inférieure à la section de ce même piston
côté gaz sous pression, la poussée provoquée par la
mise en pression de la capacité 31 est supérieure à la
poussée due au gaz sous pression partiellement détendu
dans le réservoir 28. Le déplacement vers la position I
du piston 20 entraínant le piston 15 est alors réalisé,
ainsi que la compression du gaz contenu dans le
réservoir 28.The opening of
Pendant le retour du piston 15 vers la position I,
les clapets à flotteur 24 agissent comme des clapets de
non-retour et permettent le passage de l'eau prélevée
dans le milieu extérieur vers la capacité 12 du vérin
hydraulique 13.During the return of the
Lorsque le piston 20 est à nouveau en position I,
la vanne 53 est fermée et le dispositif est prêt pour
un nouveau lancement après que la pression du gaz
comprimé contenu dans le réservoir 28 a été ajustée à
la pression nominale.When the
Le dispositif qui vient d'être décrit, trouve également son application dans l'éjection de leurres ou tout autre type de contre-mesures, ainsi que dans l'éjection de corps propulsés sous-marins récupérables ou encore l'éjection de corps inertes pour des opérations de délestage.The device which has just been described finds also its application in the ejection of lures or any other type of countermeasures, as well as in ejection of recoverable submarine powered bodies or the ejection of inert bodies for load shedding operations.
Claims (13)
- Water expulsion device intended for equipping an installation for launching objects, in particular torpedoes, mines or missiles (5) from at least one tube (1) incorporated in a mobile or fixed immersed structure, in particular a submarine, the said tube (1) being provided with at least one end shutter (3) or a lateral shutter (7) connecting it hydraulically to the expulsion device via a launch chamber (9) filled with water, secured to the hull (11) of the submarine, and constituting a closed watertight volume in which water is ejected to the tube (1) under the action of a driving pneumatic ram (20) acting on a hydraulic ram (13) driven by means of the water contained in the chamber (9) and taken in previously from the marine environment through a supply conduit, characterized in that the chamber (9) is situated in a fixed manner outside the hull (11) and in that the pneumatic ram (26) and the hydraulic ram (13) constituting the expulsion device are detachable and independent so that they can be located in the said chamber or be separated therefrom, without any operation on the hull (11), only fluid or electrical connecting means and the actual launch tubes (1) passing through the hull (11).
- Expulsion device according to claim 1, characterized in that it includes a pressurised gas reservoir (28) connected directly to the piston (20) of the driving pneumatic ram (26) so as to bring about its movement, without an intermediate conduit, the said piston (20) being linked to an annular expulsion piston (15) forming a concentric ring around the said pneumatic ram (26) and being capable of moving linearly, simultaneously with the piston (20) thereof, in a corresponding concentric chamber of the hydraulic ram (13).
- Expulsion device according to claim 2, characterized in that the linkage of the driving pneumatic piston (20) to the driven hydraulic piston (13) consists of a stirrup (21) linked by its centre to one perpendicular emerging end of the said driving piston (20) and linked by its free ends to tie rods (17) parallel thereto and linked to the concentric driven expulsion piston (15), so as to constitute an integral coupling that is displaceable with respect to the chambers of the pneumatic (26) and hydraulic (13) rams.
- Expulsion device according to claim 2, characterized in that the pneumatic ram (26) receives the compressed gas reservoir (28) directly via a flange (27) and seals (29) providing watertightness between the internal volumes of the ram (26) and the reservoir (28) and the external environment.
- Expulsion device according to claim 2, characterized in that a compressed gas circuit consisting of tubes (51a, 51b) brings the internal volume (36) of the reservoir (28) into communication with a source of production and distribution of compressed gas of the submarine.
- Expulsion device according to claim 3, characterized in that the piston (15) is equipped with vent float valves (24) interposed between the linkages of the tie rods (17) enabling not only the air confined to the volume (12) of the hydraulic ram (13) to be purged, but also enabling the said volume to be supplied with water when the piston (15) returns to the "armed" position after a launch.
- Expulsion device according to one of the preceding claims, characterized in that the volume (31) of the pneumatic ram (26) contains a hydraulic fluid and may be put into communication with a discharge chamber (6) via a circuit including a flange (30) onto which the pipes (32a, 32b, 32c) are connected, and through the device combining a valve (33) which may be open or closed and a means for regulating the flow (34) of hydraulic fluid ejected to the discharge chamber (6) during displacement of the piston (20).
- Expulsion device according to claim 7, characterized in that a hydraulic fluid circuit composed of pipes (29a, 29b, 29c) enables the hydraulic fluid contained in the discharge chamber (6) to be ejected by means of a pump (56) to the volume (31) so as to produce the movement of the piston (20) from its end of launch position to its "armed" position, which also has the consequence of compressing the volume of gas expanded in the reservoir (28) of the piston (20).
- Expulsion device according to claim 8, characterized in that a valve (53) enables the circuit (29a, 29b, 29c) to be isolated, outside its utilisation phase, and a non-return valve (38) prevents the circuit upstream to the said valve from being put under pressure.
- Expulsion device according to one of the preceding claims, characterized in that a support (39) is positioned above the hydraulic ram (13) and is attached by elastic linkages (40) to a structure (41) secured to the launch chamber (9).
- Expulsion device according to one of the preceding claims, characterized in that a water inlet channel (42) equipped with a grille (43) connects the outer hull (49) to the support (39), a flexible seal (44) providing continuity of the profile of the outer hull (49).
- Expulsion device according to one of the preceding claims, characterized in that a circuit composed of pipes (45a, 45b) and a valve (46), which may be open or closed, enables the volumes (12 and 10) of the hydraulic ram (13) and the launch chamber (9) respectively to be placed at an equal pressure with the external environment or to be isolated from this environment.
- Expulsion device according to one of the preceding claims, characterized in that it is installed in the upper part of the submarine, detachable connections (47 and 48) being interposed between the tubes (32 and 51) enabling the assembly (13, 26), after having been detached, to pass through openings in the upper part of the chamber (9) of the structure (41) and the outer hull (49).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9705960 | 1997-05-15 | ||
FR9705960A FR2763391B1 (en) | 1997-05-15 | 1997-05-15 | WATER DISCHARGE DEVICE FOR A LAUNCHING INSTALLATION, IN PARTICULAR OF TORPEDOS OF A SUBMARINE |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0881455A1 EP0881455A1 (en) | 1998-12-02 |
EP0881455B1 true EP0881455B1 (en) | 2002-07-24 |
Family
ID=9506913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98401155A Expired - Lifetime EP0881455B1 (en) | 1997-05-15 | 1998-05-14 | Apparatus for expelling water in a torpedo launch tub of a sub-marine |
Country Status (4)
Country | Link |
---|---|
US (1) | US6220196B1 (en) |
EP (1) | EP0881455B1 (en) |
DE (1) | DE69806690T2 (en) |
FR (1) | FR2763391B1 (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6401645B1 (en) * | 2000-09-06 | 2002-06-11 | The United States Of America As Represented By The Secretary Of The Navy | Vehicle launch assembly for underwater platforms |
GB0121839D0 (en) * | 2001-09-10 | 2002-03-06 | Strachan & Henshaw Ltd | Torpedo Launch system |
US6854409B1 (en) * | 2003-06-06 | 2005-02-15 | The United States Of America As Represented By The Secretary Of The Navy | Rotary electromagnetic launch tube |
US6871610B1 (en) * | 2003-06-06 | 2005-03-29 | The United States Of America As Represented By The Secretary Of The Navy | Assembly for launching bodies from an underwater platform |
US6776079B1 (en) | 2003-07-25 | 2004-08-17 | The United States Of America As Represented By The Secretary Of The Navy | Asymetrically contoured elastomeric disk |
US6796260B1 (en) | 2003-09-08 | 2004-09-28 | The United States Of America As Represented By The Secretary Of The Navy | Elastomeric ejection system with acoustically improved check valve |
US7845298B2 (en) * | 2005-05-04 | 2010-12-07 | Honeywell International Inc. | Submersible vehicle object ejection system using a flywheel driven boost pump |
US7523714B1 (en) * | 2006-08-02 | 2009-04-28 | The United States Of America As Represented By The Secretary Of The Navy | Hydraulic safety circuit |
US8161899B1 (en) * | 2008-09-11 | 2012-04-24 | The United States Of America As Represented By The Secretary Of The Navy | Multiple torpedo mine |
DE102009004056A1 (en) * | 2009-01-08 | 2010-07-22 | Howaldtswerke-Deutsche Werft Gmbh | submarine |
DE102010013169B4 (en) * | 2010-03-27 | 2013-06-20 | Audi Ag | Operating device for a motor vehicle |
RU2578923C2 (en) * | 2013-11-13 | 2016-03-27 | Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации | Submarine with hydraulic torpedo launchers |
DE102016201101B4 (en) * | 2016-01-26 | 2018-02-08 | Thyssenkrupp Ag | Noiseless weapon ejection system |
US10571222B2 (en) * | 2017-09-07 | 2020-02-25 | Stephen Tomás Strocchia-Rivera | Payload launching apparatus and method |
RU2695966C1 (en) * | 2018-11-14 | 2019-07-29 | АО "Санкт-Петербургское морское бюро машиностроения "Малахит" (АО "СПМБМ "Малахит") | Submarine with electrohydraulic launcher |
FR3096124B1 (en) | 2019-05-15 | 2022-01-28 | Naval Group | Underwater vehicle comprising means for launching by water thrust from an underwater vehicle |
US11320238B1 (en) * | 2020-08-24 | 2022-05-03 | The United States Of America As Represented By The Secretary Of The Navy | Internal countermeasure launcher having a hybrid ram ejection pump |
DE102021206949B3 (en) * | 2021-07-01 | 2022-08-18 | Thyssenkrupp Ag | Low-noise weapon balancing device in a submarine and method of operation |
Family Cites Families (20)
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US925707A (en) * | 1907-11-13 | 1909-06-22 | Simon Lake | Torpedo-launching device. |
US2837971A (en) * | 1952-09-03 | 1958-06-10 | Gen Dynamics Corp | Hydraulic ejection equipment for missiles |
GB793872A (en) * | 1955-05-23 | 1958-04-23 | Nl Vereenigde Scheepsbouw Bure | Submarine vessels |
US2989899A (en) * | 1960-02-17 | 1961-06-27 | Siegel Moses | Missile launcher air eject system-power plant and control system |
US3773025A (en) * | 1971-11-02 | 1973-11-20 | Marotta Scientific Controls | Method and apparatus for ejection by compressed gas |
US4523538A (en) * | 1983-01-07 | 1985-06-18 | Westinghouse Electric Corp. | Torpedo launcher |
DE3402619A1 (en) * | 1984-01-26 | 1985-08-08 | Krupp Mak Maschinenbau Gmbh, 2300 Kiel | EXHAUST DEVICE FOR ARMORING FROM U-BOAT TORPEDO TUBES |
DE3406921A1 (en) * | 1984-02-25 | 1985-09-05 | Gemmecke, Kurt, Ing.(grad.), 2400 Lübeck | Underwater ejection device for projectiles |
US4848210A (en) * | 1987-07-01 | 1989-07-18 | The United States Of America As Represented By The Secretary Of The Navy | Elastomeric impulse energy storage and transfer system |
US5099745A (en) * | 1990-07-25 | 1992-03-31 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus and method for designing a specially ported torpedo launching system to damp a seawater piston |
US5044253A (en) * | 1990-08-15 | 1991-09-03 | The United States Of America As Represented By The Secretary Of The Navy | Submarine weapon launch system using an external impulse tank |
US5085122A (en) * | 1991-02-07 | 1992-02-04 | The United States Of America As Represented By The Secretary Of The Navy | Firing assembly for stored energy launcher |
US5165360A (en) * | 1991-03-11 | 1992-11-24 | The United States Of America As Represented By The Secretary Of The Navy | Underwater rapid-fire ram pump |
US5231241A (en) * | 1992-06-29 | 1993-07-27 | The United States Of America As Represented By The Secretary Of The Navy | Elastomeric launcher |
US5249933A (en) * | 1992-10-01 | 1993-10-05 | The United States Of America As Represented By The Secretary Of The Navy | Submarine external hydraulic fluid - isolated system |
US5284106A (en) * | 1993-02-11 | 1994-02-08 | The United States Of America As Represented By The Secretary Of The Navy | Superconducting electromagnetic torpedo launcher |
US5277144A (en) * | 1993-06-11 | 1994-01-11 | The United States Of America As Represented By The Secretary Of The Navy | Valve assembly for submarine balanced ejection system |
US5438948A (en) * | 1994-08-22 | 1995-08-08 | The United States Of America As Represented By The Secretary Of The Navy | Elastomeric launch system for submarines |
US5410978A (en) * | 1994-08-22 | 1995-05-02 | The United States Of America As Represented By The Secretary Of The Navy | Flow-through elastomeric launch system for submarines |
US5568782A (en) * | 1995-07-31 | 1996-10-29 | The United States Of America As Represented By The Secretary Of The Navy | BI-modal elastomeric ejector |
-
1997
- 1997-05-15 FR FR9705960A patent/FR2763391B1/en not_active Expired - Fee Related
-
1998
- 1998-05-12 US US09/075,933 patent/US6220196B1/en not_active Expired - Lifetime
- 1998-05-14 DE DE69806690T patent/DE69806690T2/en not_active Expired - Lifetime
- 1998-05-14 EP EP98401155A patent/EP0881455B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2763391A1 (en) | 1998-11-20 |
DE69806690T2 (en) | 2002-12-05 |
DE69806690D1 (en) | 2002-08-29 |
FR2763391B1 (en) | 1999-06-18 |
EP0881455A1 (en) | 1998-12-02 |
US6220196B1 (en) | 2001-04-24 |
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