EP2343491A1 - System zur druckfluidversorgung eines Ausstosskolbens eines Rohres zum abschiessen einer Waffe aus einem Unterseeboot - Google Patents

System zur druckfluidversorgung eines Ausstosskolbens eines Rohres zum abschiessen einer Waffe aus einem Unterseeboot Download PDF

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Publication number
EP2343491A1
EP2343491A1 EP11305003A EP11305003A EP2343491A1 EP 2343491 A1 EP2343491 A1 EP 2343491A1 EP 11305003 A EP11305003 A EP 11305003A EP 11305003 A EP11305003 A EP 11305003A EP 2343491 A1 EP2343491 A1 EP 2343491A1
Authority
EP
European Patent Office
Prior art keywords
fluid
valve
rammer
supply system
pressurized fluid
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
Application number
EP11305003A
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English (en)
French (fr)
Other versions
EP2343491B1 (de
Inventor
Arnaud Damoiseau
Stéphane Niot
Thierry Taillefet
Johan Raffoux
Cyril Baudrand
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.)
Naval Group SA
Original Assignee
DCNS SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DCNS SA filed Critical DCNS SA
Publication of EP2343491A1 publication Critical patent/EP2343491A1/de
Application granted granted Critical
Publication of EP2343491B1 publication Critical patent/EP2343491B1/de
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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A9/00—Feeding or loading of ammunition; Magazines; Guiding means for the extracting of cartridges
    • F41A9/38—Loading arrangements, i.e. for bringing the ammunition into the firing position
    • F41A9/39—Ramming arrangements
    • F41A9/42—Rammers separate from breech-block
    • F41A9/44—Fluid-operated piston rammers

Definitions

  • the present invention relates to a system for supplying pressurized fluid from a ramming machine to a launching tube of a weapon from an underwater vehicle.
  • Such a tube is commonly called “torpedo tube” and can be integrated into an underwater vehicle such as a submarine itself, to launch weapons such as for example torpedoes or missiles, etc. .
  • Drones can also be launched in this way using such a tube.
  • the supply systems for this type of application comprise a launch valve interposed between a source of pressurized fluid and the collector and this valve then comprises a valve body in which is mounted a movable valve when launching the weapon by control means, between a closed position and an open position of the valve for supplying the pressurized pressurized fluid.
  • This valve is also associated with means for braking its opening displacement, which comprise a fluidic retarder with two fluid chambers connected through diaphragm means for rolling this fluid.
  • Such systems are used, for example, to supply a pneumatic rammer which then comprises a pneumatic ram with several telescopic pistons which make it possible to launch weapons having masses, lengths and different geometries.
  • the object of the invention is therefore to solve these problems.
  • the subject of the invention is a system for supplying pressurized fluid to a ramming device of a launching tube of a weapon from an underwater vehicle, of the type comprising an interposed launching valve. between a source of pressurized fluid and the damper and comprising a valve body in which is mounted a movable valve when launching the weapon by control means, between a closed position and an open position of the valve for supplying the pressurized fluid exchanger, this valve being associated with means for braking its opening displacement comprising a fluidic retarder with two fluid chambers connected through means for diaphragm rolling of this fluid, characterized in the fluid rolling diaphragm means comprise variable diaphragm means according to the position of the valve.
  • the rammer is generally designated by reference 1 on the figure 1 and is for example formed by a pneumatic ram with several telescopic pistons for ejecting the weapon from the tube.
  • the supply system of this damper is referred to by the general reference 2 in general.
  • this feed system comprises a launch valve designated by the general reference 3, interposed between a source of pressurized fluid designated by the general reference 4 and the collector 1.
  • the source of pressurized fluid is for example formed by pressurized gas bottle means such as for example compressed air bottles.
  • the throwing valve 3 comprises a valve body designated by the general reference 5, in which is mounted a valve designated by the general reference 6, movable at the launch of the weapon by control means designated by the reference 7, between a closed position and an open position of the valve for supplying the pressurized fluid with the pressurized fluid.
  • This valve and more particularly the valve thereof, are also associated with means for braking the opening movement of this valve, these means being designated by the general reference 8 in this figure and comprising for example a fluidic retarder to two fluid chambers connected through diaphragm means for rolling this fluid.
  • the fluid is for example oil.
  • the two chambers of the retarder are designated by the general references 9 and 10
  • the rolling diaphragm means of this fluid are designated by the general reference 11.
  • An elastic member such as for example a spring designated by the general reference 12, can also be arranged in one of the chambers of the retarder, such as the chamber 9.
  • these rolling diaphragm means comprise a reduced cross-section portion of passage fluid between the two chambers of the retarder, this portion of reduced section being designated by the general reference 13.
  • the compressed air of the launch air bottle means holds the valve flap 6 in the closed position.
  • an operator actuates for example the control means 7 to divert a portion of the compressed air into an actuating chamber 14 of the valve 6, which then causes the latter to move towards an open position.
  • This displacement is done against the elastic biasing of the spring 12 and causes a discharge of the fluid contained in the first chamber 9 of the retarder through the means 11 1 to diaphragm rolling of the fluid and the portion of reduced section 13 of those in the direction of the second chamber 10 of the retarder.
  • Such a structure thus makes it possible to slow down the opening movement of the valve in order to limit the thrust force seen at the base of the weapon.
  • the fluid rolling diaphragm means comprise variable diaphragm means according to the position of the valve plug.
  • these fluid rolling diaphragm means comprise variable diaphragm means depending on the position of the valve.
  • a diaphragm body designated by the general reference 16 with two chambers respectively 17 and 18, separated by a web 19, provided with at least one fluid passage orifice, this orifice being designated by the general reference 20.
  • a needle designated by the general reference 21 is movably mounted in this diaphragm body and has a needle head designated by the general reference 22, adapted to extend into the fluid passage opening 20 formed in the web 19 separating them.
  • two chambers 17 and 18 of the diaphragm body are movably mounted in this diaphragm body and has a needle head designated by the general reference 22, adapted to extend into the fluid passage opening 20 formed in the web 19 separating them.
  • this needle 21 is slidably movable in the diaphragm body under the action of the fluid during the displacement of the throttle valve valve towards its open position, against the solicitation elastic means constituted for example by a helical spring designated by the general reference 23.
  • the head 22 of the needle 21 defines with the web 19, a variable fluid passage section according to the position of the valve.
  • the head 22 of the needle 21 comprises at least one groove designated by the general reference 24 on the figure 3 , of increasing depth towards the free end of this head and thus defining with the web 19 of the diaphragm body, a variable rolling section of the fluid according to the position of this head and therefore the needle.
  • the resilient biasing means of the needle that is to say the spring 23, may be associated with means for adjusting their calibration, these adjustment means being designated by the general reference 25.
  • the spring 23 has in fact a first end adapted to cooperate with a bearing surface 26 of the needle 21 and a second end associated with the setting means 25 of the calibration thereof.
  • These adjustment means comprise, for example, a support flange for the corresponding end of this spring, this bearing flange 27 being mounted adjustable in position on a sleeve 28 placed for example around one end of the needle 21 and allowing, for example, example to an operator through an adjusting wheel to move the flange to adjust the setting of this spring.
  • Such a structure makes it possible to adapt the force generated on the weapon by the rammer, for example depending on the characteristics of the weapon, the depth of immersion and the speed of the underwater vehicle, etc. .
  • such a structure makes it possible to optimize the force seen by the weapon and in particular to reduce the maximum force seen by the latter, as well as the thrust law that makes it possible to ensure a more constant acceleration of the force. the weapon by optimizing its dynamics during its ejection.
  • such a structure also makes it possible to obtain a speed gain of the weapon on ejection, while decreasing the phenomenon of cavitation observed at the base thereof during this launch.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Braking Arrangements (AREA)
  • Lift Valve (AREA)
  • Fluid-Damping Devices (AREA)
EP11305003.3A 2010-01-08 2011-01-03 System zur druckfluidversorgung eines ausstosskolbens eines rohres zum abschiessen einer waffe aus einem unterseeboot Active EP2343491B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1050109A FR2955082B1 (fr) 2010-01-08 2010-01-08 Systeme d'alimentation en fluide sous pression d'un refouloir d'un tube de lancement d'une arme a partir d'un engin sous-marin

Publications (2)

Publication Number Publication Date
EP2343491A1 true EP2343491A1 (de) 2011-07-13
EP2343491B1 EP2343491B1 (de) 2013-12-25

Family

ID=42320893

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11305003.3A Active EP2343491B1 (de) 2010-01-08 2011-01-03 System zur druckfluidversorgung eines ausstosskolbens eines rohres zum abschiessen einer waffe aus einem unterseeboot

Country Status (3)

Country Link
EP (1) EP2343491B1 (de)
ES (1) ES2444628T3 (de)
FR (1) FR2955082B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2657126A3 (de) * 2012-04-24 2013-12-18 ThyssenKrupp Marine Systems GmbH Unterseeboot

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3049054B1 (fr) 2016-03-21 2018-04-13 Dcns Tube lance-arme a refouloir pour navire
FR3049053B1 (fr) 2016-03-21 2018-06-22 Dcns Tube lance-arme pour un navire
FR3049055B1 (fr) 2016-03-21 2018-04-13 Dcns Tube lance-arme a colonne d'eau pour navire

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB367733A (en) * 1930-12-29 1932-02-25 & Chantiers De La Loire Sa Des Torpedo-launching apparatus, more particularly for fast-moving ships or scouts
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
US5438945A (en) * 1994-07-27 1995-08-08 The United States Of America As Represented By The Secretary Of The Navy Slide valve assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB367733A (en) * 1930-12-29 1932-02-25 & Chantiers De La Loire Sa Des Torpedo-launching apparatus, more particularly for fast-moving ships or scouts
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
US5438945A (en) * 1994-07-27 1995-08-08 The United States Of America As Represented By The Secretary Of The Navy Slide valve assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2657126A3 (de) * 2012-04-24 2013-12-18 ThyssenKrupp Marine Systems GmbH Unterseeboot

Also Published As

Publication number Publication date
EP2343491B1 (de) 2013-12-25
FR2955082B1 (fr) 2012-03-23
FR2955082A1 (fr) 2011-07-15
ES2444628T3 (es) 2014-02-26

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