EP3887746A1 - DRUCKWASSERAUSSTOßVORRICHTUNG - Google Patents
DRUCKWASSERAUSSTOßVORRICHTUNGInfo
- Publication number
- EP3887746A1 EP3887746A1 EP19808581.3A EP19808581A EP3887746A1 EP 3887746 A1 EP3887746 A1 EP 3887746A1 EP 19808581 A EP19808581 A EP 19808581A EP 3887746 A1 EP3887746 A1 EP 3887746A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- piston
- brake
- cylinder
- ejection device
- area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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, the ejection taking place in a significantly reduced noise compared to the conventional systems.
- an ejection tube with an ejection device is known, the ejection device having a working cylinder.
- a pneumatic torpedo ejection device with a pressure accumulator with a piston is known from US Pat. No. 3,631,760.
- DE 10 2016 201 101 A1 discloses a device for ejecting a weapon with at least a first weapon barrel and a water piston cylinder and an acceleration and braking device.
- a direct chisel drive for tools is known from DE 10 2010 050 244 A1.
- a compressor is known from DE 20 2009 016 587 U1.
- a two-pipe vibration damper is known from DE 10 2016 207 958 A1.
- the object of the invention is to provide a compact and simple low-noise pressurized water ejection device. This object is achieved by a pressurized water ejection device with the features specified in claim 1.
- 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 working 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 hits the first brake piston. Even if a damping material is applied here, the collision still creates a noise. This noise is avoided by creating a further cylinder area inside the first piston rod, since the power transmission 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 construction, for example in comparison to the device of DE 10 2016 201 101 A1, which has a significantly larger design.
- a weapon barrel is used to eject a weapon.
- weapons include, 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 gastight manner.
- the first brake piston and the first piston rod particularly preferably enclose a first gas region.
- the advantage of this form of expression is that the force transmission between the first piston rod and the first brake piston can be set 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 in the event of a pressure water discharge, the second gas area being compressed during the pressure water discharge.
- 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 into an ejection area and a clamping area by the pressure piston.
- the outlet area is preferably connected to a bladder accumulator. From the bladder accumulator, hydraulic fluid can be quickly introduced into the discharge area, for example at a pressure of 300 bar, in order to thereby 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 firing the weapon, the hydraulic fluid can then from the outlet area in the The clamping area is promoted and the pressurized water discharge devices are returned to the operational state.
- the surface of the first brake piston is smaller than the surface of the second brake piston. Due to the balance of forces, surfaces of different sizes generate different pressures on both sides of the second piston rod. This allows the braking characteristics to be set.
- pressurized water ejection device according to the invention is explained in more detail below on the basis of an exemplary embodiment shown in the drawing.
- a pressurized water discharge 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 to eject a weapon from a weapon barrel.
- 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 first reduced and, when the pressure is sufficiently high, a force is transmitted to the first brake piston 90 left and hydraulic fluid from the second liquid region 170 pressed into the first liquid region 160.
- the third brake piston 150 is moved upward, so that the second gas region 120 is compressed.
- the braking area has 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 conveyed 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)
Abstract
Description
Claims
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 (de) | 2018-11-26 | 2019-11-21 | DRUCKWASSERAUSSTOßVORRICHTUNG |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3887746A1 true EP3887746A1 (de) | 2021-10-06 |
| EP3887746B1 EP3887746B1 (de) | 2022-03-02 |
Family
ID=68653479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19808581.3A Active EP3887746B1 (de) | 2018-11-26 | 2019-11-21 | Ausstossvorrichtung |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3887746B1 (de) |
| DE (1) | DE102018220266A1 (de) |
| ES (1) | ES2908864T3 (de) |
| WO (1) | WO2020109141A1 (de) |
Family Cites Families (12)
| 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 |
-
2018
- 2018-11-26 DE DE102018220266.4A patent/DE102018220266A1/de not_active Ceased
-
2019
- 2019-11-21 WO PCT/EP2019/082137 patent/WO2020109141A1/de not_active Ceased
- 2019-11-21 ES ES19808581T patent/ES2908864T3/es active Active
- 2019-11-21 EP EP19808581.3A patent/EP3887746B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ES2908864T3 (es) | 2022-05-04 |
| EP3887746B1 (de) | 2022-03-02 |
| WO2020109141A1 (de) | 2020-06-04 |
| DE102018220266A1 (de) | 2020-05-28 |
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