EP2119999B1 - Dispositif torpille pour couper le cordon ombilical - Google Patents

Dispositif torpille pour couper le cordon ombilical Download PDF

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Publication number
EP2119999B1
EP2119999B1 EP08425334A EP08425334A EP2119999B1 EP 2119999 B1 EP2119999 B1 EP 2119999B1 EP 08425334 A EP08425334 A EP 08425334A EP 08425334 A EP08425334 A EP 08425334A EP 2119999 B1 EP2119999 B1 EP 2119999B1
Authority
EP
European Patent Office
Prior art keywords
flap
rotary member
substantially flat
torpedo
umbilical cord
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
EP08425334A
Other languages
German (de)
English (en)
Other versions
EP2119999A1 (fr
Inventor
Carlo Garzelli
Alberto Beucci
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.)
Whitehead Sistemi Subacquei SpA
Original Assignee
Whitehead Alenia Sistemi Subacquei SpA
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 Whitehead Alenia Sistemi Subacquei SpA filed Critical Whitehead Alenia Sistemi Subacquei SpA
Priority to EP08425334A priority Critical patent/EP2119999B1/fr
Publication of EP2119999A1 publication Critical patent/EP2119999A1/fr
Application granted granted Critical
Publication of EP2119999B1 publication Critical patent/EP2119999B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B19/00—Marine torpedoes, e.g. launched by surface vessels or submarines; Sea mines having self-propulsion means
    • F42B19/01—Steering control
    • 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
    • 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
    • F41F3/04—Rocket or torpedo launchers for rockets
    • F41F3/055—Umbilical connecting means
    • 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 torpedo umbilical cord cutting device.
  • the electronic equipment on the torpedo is supplied with torpedo mission data, normally by means of an electric/optical connection extending between the torpedo and the launch tube.
  • the electric/optical connection comprises a number of electric/optical conductors bunched together and enclosed in a sheath to form a so-called umbilical cord.
  • the umbilical cord must be cut to allow the torpedo to leave the launch tube.
  • a torpedo umbilical cord cutting device comprises a substantially flat rotary member defining a normally C-shaped peripheral cutting portion; and a flap integral with and crosswise to the rotary member, and defining an eye through which to thread the umbilical cord projecting from a rear portion of the torpedo.
  • the rotary member is hinged to a rear surface of the torpedo, and is rotated about the hinge axis, by the pull exerted on the umbilical cord when the torpedo is launched, to cut the umbilical cord by means of the peripheral cutting portion.
  • the cutting device may rotate about the hinge axis, and the flap may produce swirl in the laminar flow about the torpedo.
  • a device for cutting the umbilical cord of a torpedo comprising: a substantially flat rotary member defining a peripheral cutting portion and having hinge means by which to hinge it to an outer surface of the torpedo; and a flap connected to said substantially flat rotary member and defining at least part of an eye through which to thread said umbilical cord; the device being characterized in that said flap is movable between a raised work position, in which said flap is crosswise to the substantially flat rotary member, and a withdrawn rest position, in which said flap is substantially coplanar with said substantially flat rotary member.
  • Number 1 in Figure 1 indicates as a whole a cutting device for cutting an umbilical cord 3 of a torpedo 4 ( Figure 5 ).
  • Device 1 comprises:
  • substantially flat rotary member 10 comprises a flat semicircular portion 10a, from which a substantially flat, substantially rectangular, elongated portion 10b extends integrally.
  • Hole 14 is formed close to one end of peripheral cutting portion 13.
  • Elongated portion 10b is bounded by a first straight long side 12a, by a second straight long side 12b ( Figure 1 ), and by a straight short side 12c.
  • a parallelepiped-shaped appendix 15 extends integrally from a central portion of first side 12a ( Figure 3 ), and is coplanar with elongated portion 10b.
  • Parallelepiped-shaped appendix 15 is fitted with a first end of a shaft 27 ( Figures 3 , 4 ) extending parallel, and equally spaced with respect, to first side 12a.
  • a second end (not shown) of shaft 27 is housed inside a threaded hole (not shown) formed in a lateral portion K of semicircular portion 10a.
  • Flap 16 is roughly in the shape of a right trapezium bounded by a minor-base edge 18a, a major-base edge 18b, an oblique-side edge 18c, and a right-side edge 18d.
  • a first parallelepiped-shaped seat 20 is formed in a central portion of major-base edge 18b ( Figure 3 ) to house parallelepiped-shaped appendix 15; and a second parallelepiped-shaped seat 21 is formed in major-base edge 18b, alongside first seat 20.
  • first appendix 23 separating first and second seat 20 and 21; and a second appendix 24 defining one side of second seat 21.
  • First and second appendix 23, 24 have through holes (not shown) engaged by shaft 27, so that flap 16 can rotate about shaft 27 and, therefore, with respect to rotary member 10 to which it is hinged.
  • the rotation axis of flap 16 is perpendicular to the axis (coinciding with the axis of hole 14) about which rotary member 10 rotates with respect to torpedo 4.
  • Shaft 27 is fitted with a first and second coil spring 30, 31, which are coaxial with shaft 27 and spaced axially apart inside second seat 21.
  • First spring 30 and second spring 31 each have a first end portion 30a, 31a inserted inside a groove in flap 16; and a second end portion 30b, 31b inserted inside a groove formed in a bottom wall of elongated portion 10b positioned, in use, facing the outer wall of torpedo 4.
  • a U-shaped opening extends from right-side edge 18b, and is bounded by two straight lateral edges 34, 35, and by a curved end edge 36.
  • a straight cylindrical member 40 extends between straight lateral edges 34, 35 to define one side of opening 17, the other sides of which are defined by straight lateral edges 34, 35, and by curved end edge 36.
  • umbilical cord 3 projecting from the rear portion of torpedo 4 faces peripheral cutting portion 13; and umbilical cord 3 is bent towards flap 16, is threaded through eye 17, and extends roughly 360° about the eye to extend in a substantially straight line towards a rear portion of the launch tube.
  • Umbilical cord 3 thus slips through eye 17, and the force exerted by springs 30 and 31 moves flap 16 into the withdrawn rest position, thus minimizing the section of cutting device 1 in the torpedo travelling direction, and so reducing swirl produced by device 1 in the laminar flow about the torpedo as it moves through the water.
  • the noise generated by device 1 is therefore greatly reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Harvester Elements (AREA)

Claims (7)

  1. Dispositif pour couper le cordon ombilical (3) d'une torpille (4) et comprenant :
    - un élément rotatif sensiblement plat (10) définissant une partie de coupe périphérique (13) et comportant un moyen d'articulation (14) pour articulation sur une surface externe de la torpille (4) ; et
    - un volet (16) relié audit élément rotatif sensiblement plat (10) et définissant au moins une partie d'un oeillet (17) par lequel enfiler ledit cordon ombilical (3) ;
    le dispositif étant caractérisé en ce que ledit volet (16) est mobile entre une position de travail levée, dans laquelle ledit volet (16) est transversal à l'élément rotatif sensiblement plat, et une position de repos repliée, dans laquelle ledit volet (16) est sensiblement coplanaire audit élément rotatif sensiblement plat (10).
  2. Dispositif selon la revendication 1, dans lequel des moyens élastiques (30, 31) déplacent ledit volet (16) de ladite position de travail à ladite position de repos.
  3. Dispositif selon la revendication 2, dans lequel lesdits moyens élastiques comprennent au moins un ressort à boudin (30, 31).
  4. Dispositif selon la revendication 3, dans lequel ledit élément rotatif sensiblement plat est pourvu d'un arbre (27) équipé coaxialement dudit ressort à boudin (30, 31), qui comporte au moins une première partie d'extrémité (30b, 31b) reposant sur ledit élément rotatif sensiblement plat (10), et une deuxième partie d'extrémité (30a, 31a) reposant sur ledit volet (16).
  5. Dispositif selon l'une quelconque des revendications précédentes, dans lequel ledit volet (16) comprend une paroi sensiblement plate, dans laquelle est formée une ouverture en forme de U ; et un élément droit (40) s'étend transversalement à des bords parallèles (34, 35) de ladite ouverture en forme de U pour définir ledit oeillet (17).
  6. Dispositif selon l'une quelconque des revendications précédentes, dans lequel ledit volet (16) est articulé par rapport audit élément rotatif sensiblement plat (10).
  7. Dispositif selon la revendication 6, dans lequel l'axe de rotation dudit volet (16) par rapport audit élément rotatif sensiblement plat (10) est perpendiculaire à l'axe de rotation de l'élément rotatif sensiblement plat (10) par rapport à ladite torpille (4).
EP08425334A 2008-05-13 2008-05-13 Dispositif torpille pour couper le cordon ombilical Active EP2119999B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08425334A EP2119999B1 (fr) 2008-05-13 2008-05-13 Dispositif torpille pour couper le cordon ombilical

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08425334A EP2119999B1 (fr) 2008-05-13 2008-05-13 Dispositif torpille pour couper le cordon ombilical

Publications (2)

Publication Number Publication Date
EP2119999A1 EP2119999A1 (fr) 2009-11-18
EP2119999B1 true EP2119999B1 (fr) 2011-07-20

Family

ID=39956049

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08425334A Active EP2119999B1 (fr) 2008-05-13 2008-05-13 Dispositif torpille pour couper le cordon ombilical

Country Status (1)

Country Link
EP (1) EP2119999B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2870676A (en) * 1952-06-06 1959-01-27 Radkowski Leo Shearing device for cables
FR2132937A5 (fr) * 1971-04-02 1972-11-24 France Etat
DE3310670C2 (de) 1983-03-24 1985-07-25 Krupp Mak Maschinenbau Gmbh, 2300 Kiel Kabelfangvorrichtung für Versorgungskabel von Torpedos
US5361676A (en) * 1993-07-19 1994-11-08 Gibbs Jerry L Explosively-separable fastener with umbilical cord cutter

Also Published As

Publication number Publication date
EP2119999A1 (fr) 2009-11-18

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