US3367232A - Depth charge launcher for a rocket propelled missile - Google Patents

Depth charge launcher for a rocket propelled missile Download PDF

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Publication number
US3367232A
US3367232A US557554A US55755466A US3367232A US 3367232 A US3367232 A US 3367232A US 557554 A US557554 A US 557554A US 55755466 A US55755466 A US 55755466A US 3367232 A US3367232 A US 3367232A
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United States
Prior art keywords
launching
barrel
missile
platform
surrounding
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.)
Expired - Lifetime
Application number
US557554A
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English (en)
Inventor
Aldrin Henry Wilhelm
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.)
Saab Bofors AB
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Bofors AB
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Publication date
Application filed by Bofors AB filed Critical Bofors AB
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Publication of US3367232A publication Critical patent/US3367232A/en
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Classifications

    • 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
    • F41A9/45—Loading arrangements, i.e. for bringing the ammunition into the firing position the cartridge chamber or the barrel as a whole being tiltable or transversely slidable between a loading and a firing position

Definitions

  • the present invention relates to a weapon which can be elevated, and particularly to a depth-charge launcher.
  • a weapon consists of a number of launching tubes, each of which is loaded with a rocket-propelled depth charge which is fired in a known way.
  • Such depth-charge launchers can usually be both elevated and traversed, and are, as a rule, arranged on a ships deck. They are loaded by the actual launching tube being elevated 90. The weapon thus elevated is traversed so that the launching tubes, one after the other, come in line with a hole in the deck. Through this hole, each launching tube is loaded with a depth charge, from a magazine located below the ships deck, with the aid of a hoisting device.
  • the above-mentioned known depth-charge launcher has the disadvantage that when a depth-charge has been fired from a launching tube and the tube is thereafter to be elevated to 90 and lined up with said hole, water, when the sea is rough, will enter into the empty launching tube and flow through the hole in the deck into the magazine below.
  • the purpose of the present invention is to prevent water from entering into the magazine of the depth charge launcher.
  • the depth-charge launcher is made so that it can only be elevated relative to the part of the deck on which it is mounted and that this deck part is'rotatable relative to the rest of the deck.
  • the depth-charge launcher which can consist of one or several launching tubes, has a fixed angle of traverse in relation to said part.
  • the invention is characterized by the features that there is an opening for each tube in the base or deck, and that the openings or the holes in the base are formed by pipe stubs extending from the base.
  • All the pipe stubs are surrounded by a common continuous wall, which along part of its extent has different heights, but at least the height of said pipe stubs.
  • a pump is arranged to remove any liquid from the space enclosed by the wall.
  • a shield with a cylindrical external surface is fastened directly or indirectly to the launching tube or tubes in such a way that its center of curvature coincides with the turning axis through the trunnion center of the weapon. Part of the surface of the shield coincides with the end surfaces of the launching tube, and the surface is provided with holes at the ends of the launching tubes, corresponding to the internal cross-section area of the launching tubes.
  • the height of the pipe stubs and the height of the continuous wall are also so adapted and the shield has such a length in the circular circumferential direction and such a width that, regardless of what elevation is chosen, all parts of the edge surfaces of the pipe stubs and all parts of the edge surfaces of the continuous wall are in contact with or very nearly in contact with the cylindrical surface of the shield.
  • FIG. 1 shows a depth-charge launcher according to the present invention
  • FIGURES 2-4 show the same depth-charge launcher in three different elevation positions.
  • a depth-charge launcher 1 is shown as being placed on a fixed base 2, for instance a ships deck, and is supported so that it can be elevated in two cradle car- 3,367,232 Patented Feb. 6, 1968 riers 3 and 4, which in relation to the ships deck or base are stationary.
  • the part upon which the launcher is mounted may consist of a circular disc, which is rotatable round an axis at right angles to the center of the disc and relative to the other parts of the deck.
  • the four launching tubes are also provided with four jackets, 9, 10, 11 and 12 respectively.
  • the launching tubes 5-8 are fixed to each other so that they form one single unit.
  • trunnions are arranged at the jackets 9-12.
  • the trunnion 13 which is fastened to the jacket 12, is shown.
  • a shield 14 is fastened to the unit formed by the launching tubes 5-8.
  • the screen has a cylindrical outer surface, which has its center of curvature in the trunnion 13.
  • the surface of the shield coincides with the rear parts of the launching tubes 5, 6, '7, and 8, as shown in the figure.
  • the shield includes holes 15, 16, 17 and 18, which are of the same size as the internal diameters of the launching tubes. Through said holes 15-18, the launching tubes 5-8 are entirely open rearwards. It is fastened to. the jackets 9, 10, 11 and 12 with the aid of braces 14a, 14b and 140. In the ships deck there are four loading openings, which are exactly under the rear openings of the launching tubes 5, 6, 7 and 8, when the depth-charge launcher is elevated to a angle.
  • each hole is surrounded by a tubular pipe stub or a collar, which is in contact with the outer surface of shield 14 regardless of the elevation at which the depth-charge launcher is set.
  • Two of these pipe stubs are shown in the figure, and have been given the reference designations 23 and 24. All four pipe stubs are surrounded by a continuous wall 19, around a rectangular bottom surface, that is, the wall 19 consists of two wall sections 20 and 22, which are parallel to each other, and two wall sections 21, which are also parallel to each other.
  • Said four wall sections have such a height that the respective surface of the shield 14 is always in contact with all upper edges of the wall, that is, if the holes 15, 16, 17 and 18 are disregarded, the deck area which is surrounded by the wall 19 is entirely closed by means of the shield 14, so that the space enclosed by the wall 19 is entirely closed off from the outside. There can, of course, be a certain small amount of play between the shield 14 and the upper edge surface of the wall 19.
  • the shield 14 has such .a length that, regardless of the elevation at which the launching tubes 5-8 are set, the last-mentioned space is always entirely closed from the outside.
  • a pump 25 coacts with the space, and has a suction pipe 26, which leads to the space in the way shown in FIG. 1.
  • the pump is provided with an outlet pipe 27.
  • the depth-charge launcher described above functions in the following way.
  • the depth-charge launcher in the elevation shown in FIGS. 1 or 2, is loaded with depth charges, and that these are subsequently fired. It is also assumed that the sea is rough, so that at said elevation water can enter into the launching tu-bes. Under such conditions, the launching tubes to be loaded are elevated into the position shown in FIG. 3. The water which is then in the launching tubes flows into the space formed by the continuous wall 19 and the outer body surfaces of the pipe stubs 23, 24. The water which now fills this space is evacuated by the pump 25. In this way, all the 25. In order to be loaded, the launching tubes, in relation to the position shown in FIG. 4, must be elevated further, so that the launching tubes will coincide with the corresponding pipe stubs. When this has been effected, the launching tube can be loaded, and thereafter it can be elevated so that it is again ready for action.
  • the distance between the wall 20 and the pipe stubs is small, it is appropriate to arrange a cover of the same length as the wall 20.
  • the cover is rotatably arranged with one side edge at the upper edge of the wall 20 and is located outside the space which is enclosed by the wall 19.
  • the cover has such a form that its entire upper surface can be made to come into contact with the outside surface of the shield 14.
  • the contact itself is achieved by means of a spring or some other suitable member with the same effect.
  • a sealing element between the surface of the shield and the upper edge of the continuous wall.
  • a seal can, for instance, be a rubber strip, which is fastened to the continuous wall, and has its free end in contact with the surface of the shield.
  • a launching assemblage for launching a rocket propelled missile comprising, in combination, a launching platform, a launching barrel open at both ends, mounting means supporting said barrel pivotal between a depressed position substantially parallel to said platform and a fully elevated position defining an angle of 90 with said platform, said platform including a loading opening for hoisting a missile from a position below the platform to a position above the same, said loading opening and said mounting means being disposed so that the loading opening and the barrel are in registry in a predetermined elevated position of the barrel for loading a missile into the same through said opening, a collar upwardly protruding from the platform and surrounding said loading opening, a continuous wall upwardly protruding from the platform and surrounding said collar spaced apart therefrom to define a space open at the top side, and shielding means secured to the load- .ing end of the barreLsurrounding the same, said shielding means being disposed and shaped to cover the open top site of said space in all angular positions of the barrel.
  • a launching assemblage according to claim 1 wherein said shielding means comprise a plate-shaped member concavely curved in reference to the pivot axis of said barrel, and wherein the rim of said wall along the top end thereof is curved in conformity with thecurvature of said plate-shaped member and is disposed to effect a closing engagement between said rim and said plateshaped member in all pivotal positions of the latter.
  • a launching assemblage according to claim 2 wherein said plate-shaped member and said rim define circular curvatures having a common center axis coinciding with the pivot axis of the barrel and substantially equal radii,
  • a launching assemblage according to claim 1 where-;- in said shielding means comprise a plate shaped member concavely curved in. reference to the pivot axis .of said barrel, and wherein the top edge of said collar'defines a curvature conforming to the curvature of said plate-shaped member and is disposed to effect a closing engagement between said top edge and said plate-shaped member all pivotal positions of the latter.
  • a launching assemblage according to claim 4 where'- in said plate-shaped member, said rim of the wall at the top edge thereof and the top edge of said collar define cylindrical curvatures having a common center axis c0in-" ciding with the pivot axis of said barrel and substantially equal radii to effect a closing engagement between saidv rim, said top edge of said collar and said plate-shaped member in all pivotal positions of the latter.
  • a draining duct communicates with said space to drain the same.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
US557554A 1965-06-30 1966-06-14 Depth charge launcher for a rocket propelled missile Expired - Lifetime US3367232A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE861465 1965-06-30

Publications (1)

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US3367232A true US3367232A (en) 1968-02-06

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ID=20274574

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Application Number Title Priority Date Filing Date
US557554A Expired - Lifetime US3367232A (en) 1965-06-30 1966-06-14 Depth charge launcher for a rocket propelled missile

Country Status (4)

Country Link
US (1) US3367232A (show.php)
DE (1) DE1553975A1 (show.php)
GB (1) GB1083068A (show.php)
NL (1) NL6608982A (show.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5983551A (en) * 1998-03-06 1999-11-16 Lalor; Tom Remote controlled apparatus and method for training retrieving dogs

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5983551A (en) * 1998-03-06 1999-11-16 Lalor; Tom Remote controlled apparatus and method for training retrieving dogs

Also Published As

Publication number Publication date
GB1083068A (en) 1967-09-13
NL6608982A (show.php) 1967-01-02
DE1553975A1 (de) 1969-08-28

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