EP3887746B1 - Dispositif d'éjection - Google Patents

Dispositif d'éjection Download PDF

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Publication number
EP3887746B1
EP3887746B1 EP19808581.3A EP19808581A EP3887746B1 EP 3887746 B1 EP3887746 B1 EP 3887746B1 EP 19808581 A EP19808581 A EP 19808581A EP 3887746 B1 EP3887746 B1 EP 3887746B1
Authority
EP
European Patent Office
Prior art keywords
brake
piston
cylinder
region
pressurized water
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.)
Active
Application number
EP19808581.3A
Other languages
German (de)
English (en)
Other versions
EP3887746A1 (fr
Inventor
Thomas VÖGE
Jana Gosslar
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.)
ThyssenKrupp AG
ThyssenKrupp Marine Systems GmbH
Original Assignee
ThyssenKrupp AG
ThyssenKrupp Marine Systems GmbH
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 ThyssenKrupp AG, ThyssenKrupp Marine Systems GmbH filed Critical ThyssenKrupp AG
Publication of EP3887746A1 publication Critical patent/EP3887746A1/fr
Application granted granted Critical
Publication of EP3887746B1 publication Critical patent/EP3887746B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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 invention relates to a device for ejecting a weapon, in particular a torpedo, from a weapon barrel, in particular from a submerged submarine, with the ejection taking place with a significantly reduced noise level compared to conventional systems.
  • the object of the invention is to provide a compact and simple low-noise pressurized water ejection device.
  • the pressurized water ejection device according to the invention for a weapon barrel has a water cylinder, a working cylinder and a braking area.
  • a first piston rod connects a water piston in the water cylinder and a pressure piston in the power cylinder.
  • a second piston rod connects a first brake piston in the working cylinder and a second brake piston in the braking area.
  • the first piston rod has a blind hole for receiving the first brake piston.
  • the pressure piston meets the first brake piston. Even if a damping material is applied here, the collision still produces a noise. This noise is avoided by creating a further cylinder area inside the first piston rod, since the power transmission already takes place without direct contact.
  • the first brake piston is arranged in the blind hole of the first piston rod, this enables a very compact design, for example compared to the device in FIG DE 10 2016 201 101 A1 , which has a significantly larger design.
  • a gun barrel is used to eject a gun.
  • weapon includes, for example, torpedoes, missiles, mines and decoys, but also storage containers
  • the first brake piston closes the blind hole of the first piston rod in a gas-tight manner.
  • the first brake piston and the first piston rod particularly preferably enclose a first gas area.
  • Advantage of this form of expression is that the power transmission between the first piston rod and the first brake piston can be adjusted or controlled by the gas pressure and thereby both by the preselected gas pressure and by compression during the ejection.
  • the first gas region is particularly preferred filled with an inert gas, for example and in particular nitrogen, carbon dioxide or argon, particularly preferably nitrogen.
  • the braking area has a second gas area, the second gas area being closed when pressurized water is ejected, the second gas area being compressed during the pressurized water ejection.
  • the second gas region is particularly preferably filled with an inert gas, for example and in particular nitrogen, carbon dioxide or argon, particularly preferably nitrogen.
  • the braking area has a first brake cylinder and a second brake cylinder.
  • the second brake piston is arranged in the first brake cylinder.
  • the second brake cylinder has a third brake piston.
  • the second gas area is arranged in the second brake cylinder.
  • the second gas area is formed by the second brake cylinder and the third brake piston.
  • the second brake cylinder has a first fluid area and the first brake cylinder has a second fluid area, the first fluid area and the second fluid area being connected to one another.
  • the working cylinder is divided by the pressure piston into an ejection area and a clamping area.
  • the outlet area is preferably connected to a bladder accumulator. Hydraulic fluid, for example at a pressure of 300 bar, can be quickly introduced from the bladder accumulator into the ejection area in order to move the pressure piston and the water piston connected to the pressure piston and thus convey the water from the water cylinder into the weapon barrel. After the weapon has been fired, the hydraulic fluid can then flow from the outlet area into the Funded clamping range and so the pressure water ejection devices are put back into the operational state.
  • the surface area of the first brake piston is smaller than the surface area of the second brake piston. Due to the balance of forces, different sized areas generate different pressures on both sides of the second piston rod. This allows the braking characteristics to be adjusted.
  • pressurized water ejection device according to the invention is explained in more detail below with reference to an exemplary embodiment illustrated in the drawing.
  • a pressurized water ejection device 10 according to the invention is shown in cross section.
  • the pressurized water ejection device 10 has a water cylinder 20 , a working cylinder 30 and a braking area 40 .
  • the water cylinder 20 and the working cylinder 30 are connected by a first piston rod 50 , the first piston rod 50 having a water piston 60 and a pressure piston 70 .
  • hydraulic fluid is introduced into the inlet area 180 under high pressure.
  • the pressure piston 70 is moved to the left and pulls the water piston 60 with it.
  • the water is pressed out of the water cylinder 20 into the weapon barrel.
  • the pressurized water ejection device 10 has a braking device.
  • This consists of a second piston rod 80 with a first brake piston 90 and a second brake piston 100, the second brake piston 100 being arranged in a first brake cylinder 130.
  • the first brake piston 90 is arranged in a blind hole in the first piston rod 50 . This results in a first gas area 110.
  • the first gas area 110 is initially reduced and, if the pressure is sufficiently high, force is transmitted to the first brake piston 90.
  • the second piston rod 80 and thus the second brake piston 100 are also left moves and hydraulic fluid from the second liquid region 170 pressed into the first liquid region 160.
  • the third brake piston 150 is moved upwards, so that the second gas area 120 is compressed. This results in braking of the first piston rod 50 and the water piston 60 before it hits the wall. An undesired generation of noise is accordingly avoided.
  • the braking section includes a first brake cylinder 130 and a second brake cylinder 140 . If necessary, these can be arranged spatially separated from one another and connected by means of lines. This results in the possibility of a smaller installation space through an optimized arrangement.
  • hydraulic fluid is pumped into the outlet area 190 and removed from the inlet area 180 . This can be done, for example, by means of a pump, not shown here.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Toys (AREA)

Claims (9)

  1. Dispositif d'éjection d'eau sous pression (10) pour un tube d'arme, le dispositif d'éjection d'eau sous pression (10) présentant un cylindre à eau (20), un cylindre de travail (30) et une zone de freinage (40), une première tige de piston (50) reliant un piston à eau (60) dans le cylindre à eau (20) et un piston de pression (70) dans le cylindre de travail (30), une deuxième tige de piston (80) reliant un premier piston de frein (90) dans le cylindre de travail (30) et un deuxième piston de frein (100) dans la zone de freinage (40), caractérisé en ce que la première tige de piston (50) présente un trou borgne pour recevoir le premier piston de frein (90).
  2. Dispositif d'éjection d'eau sous pression (10) selon la revendication 1, caractérisé en ce que le premier piston de frein (90) ferme le trou borgne de la première tige de piston (50) de manière étanche aux gaz.
  3. Dispositif d'éjection d'eau sous pression (10) selon la revendication 2, caractérisé en ce que le premier piston de frein (90) et la première tige de piston (50) entourent une première zone de gaz (110).
  4. Dispositif d'éjection d'eau sous pression (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que la zone de freinage (40) présente une deuxième zone de gaz (120), la deuxième zone de gaz (120) étant fermée lors d'une éjection d'eau sous pression, la deuxième zone de gaz (120) étant comprimée pendant l'éjection d'eau sous pression.
  5. Dispositif d'éjection d'eau sous pression (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que la zone de freinage (40) comprend un premier cylindre de frein (130) et un deuxième cylindre de frein (140), le deuxième piston de frein (100) étant agencé dans le premier cylindre de frein (130), le deuxième cylindre de frein (140) présentant un troisième piston de frein (150).
  6. Dispositif d'éjection d'eau sous pression (10) selon les revendications 4 et 5, caractérisé en ce que la deuxième zone de gaz (120) est agencée dans le deuxième cylindre de frein (140), la deuxième zone de gaz (120) étant formée par le deuxième cylindre de frein (140) et le troisième piston de frein (150), le deuxième cylindre de frein (140) présentant une première zone de liquide (160), le premier cylindre de frein (130) présentant une deuxième zone de liquide (170), la première zone de liquide (160) et la deuxième zone de liquide (170) étant reliées entre elles.
  7. Dispositif d'éjection d'eau sous pression (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que le cylindre de travail (30) est divisé par le piston de pression (70) en une zone d'entrée (180) et une zone de sortie (190).
  8. Dispositif d'éjection d'eau sous pression (10) selon la revendication 7, caractérisé en ce que la zone d'entrée (180) est reliée à un réservoir à bulles.
  9. Dispositif d'éjection d'eau sous pression (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que la surface du premier piston de frein (200) est inférieure à la surface du deuxième piston de frein (210).
EP19808581.3A 2018-11-26 2019-11-21 Dispositif d'éjection Active EP3887746B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018220266.4A DE102018220266A1 (de) 2018-11-26 2018-11-26 Druckwasserausstoßvorrichtung
PCT/EP2019/082137 WO2020109141A1 (fr) 2018-11-26 2019-11-21 Dispositif de production d'eau pressurisée

Publications (2)

Publication Number Publication Date
EP3887746A1 EP3887746A1 (fr) 2021-10-06
EP3887746B1 true EP3887746B1 (fr) 2022-03-02

Family

ID=68653479

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19808581.3A Active EP3887746B1 (fr) 2018-11-26 2019-11-21 Dispositif d'éjection

Country Status (4)

Country Link
EP (1) EP3887746B1 (fr)
DE (1) DE102018220266A1 (fr)
ES (1) ES2908864T3 (fr)
WO (1) WO2020109141A1 (fr)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631760A (en) 1969-12-05 1972-01-04 Us Navy Pneumatic torpedo launcher with hydraulic operated snubber
ZA753251B (en) * 1974-06-07 1976-04-28 Research Corp Power piston actuated displacer piston driving means for free-piston stirling cycle type engine
JPS5869398A (ja) * 1981-10-22 1983-04-25 株式会社神戸製鋼所 水中航走体発射装置
DE3402619A1 (de) 1984-01-26 1985-08-08 Krupp Mak Maschinenbau Gmbh, 2300 Kiel Ausstossvorrichtung fuer bewaffnungen aus u-boot-torpedorohren
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
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
DE202009016587U1 (de) * 2009-12-05 2011-04-14 Werba, Hans Dampf-Linear-Kompressor
DE102010050244B4 (de) * 2010-10-30 2013-10-17 Technische Universität Bergakademie Freiberg Meißeldirektantrieb für Werkzeuge auf Basis einer Wärmekraftmaschine
DE102014217747A1 (de) 2014-09-04 2016-03-10 Thyssenkrupp Marine Systems Gmbh Unterseeboot
DE102016201101B4 (de) * 2016-01-26 2018-02-08 Thyssenkrupp Ag Geräuschfreies Waffenausstoßsystem
FR3049055B1 (fr) * 2016-03-21 2018-04-13 Dcns Tube lance-arme a colonne d'eau pour navire
DE102016207958A1 (de) * 2016-05-10 2017-11-16 Bayerische Motoren Werke Aktiengesellschaft Zwei-Rohr-Schwingungsdämpfer für ein Fahrzeug, Fahrzeug mit einem Zwei-Rohr-Schwingungsdämpfer sowie Strömungswiderstandselement für einen Zwei-Rohr-Schwingungsdämpfer

Also Published As

Publication number Publication date
DE102018220266A1 (de) 2020-05-28
ES2908864T3 (es) 2022-05-04
EP3887746A1 (fr) 2021-10-06
WO2020109141A1 (fr) 2020-06-04

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