초록 ▼

The present invention relates to an apparatus for splitting and removing a shroud from an airborne vehicle, that comprises a shroud that includes two components, linkable one to another along their lengths, and wherein upon being fastened one to the other, they form a shroud with a lengthwise axis a

The present invention relates to an apparatus for splitting and removing a shroud from an airborne vehicle, that comprises a shroud that includes two components, linkable one to another along their lengths, and wherein upon being fastened one to the other, they form a shroud with a lengthwise axis and an inner space, and having a base sector around the circumference of the bottom part of said shroud, and wherein said base is connectable to said airborne body and a fastening assembly for fastening said two components of said shroud one to the other, and wherein said fastening assembly is given to be torn on stretching upon detonation of a pyrotechnic charge and a piston assembly that disassembled at the completion of the piston's stroke, and is operable by said pyrotechnic charge, and wherein said piston assembly serves for timed tearing of said fastening assembly.

대표청구항 ▼

1. An apparatus for splitting and removing a shroud from an airborne vehicle, the apparatus comprising: a shroud that includes two components, longitudinally linkable one to another, and wherein upon being fastened one to the other, form said shroud with a lengthwise axis and an inner space, and hav

1. An apparatus for splitting and removing a shroud from an airborne vehicle, the apparatus comprising: a shroud that includes two components, longitudinally linkable one to another, and wherein upon being fastened one to the other, form said shroud with a lengthwise axis and an inner space, and having a base sector around a circumference of a bottom part of said shroud, and wherein said base sector is connectable to said airborne vehicle; anda fastening assembly for fastening said two components of said shroud one to the other, and wherein said fastening assembly is configured to be torn by stretching along a first axis of operation upon detonation of a pyrotechnic charge; anda piston assembly comprising a piston element operable by said pyrotechnic charge for providing a piston stroke along a second axis of operation and wherein said piston assembly is configured to disassemble upon completion of said piston stroke, and is configured for timed tearing of said fastening assembly and active removal of said two components of said shroud one from the other, in an essentially revolving motion and while tearing and moving farther apart said shroud from said airborne vehicle; andwherein said apparatus is characterized by—said fastening assembly configured, upon detonation of said pyrotechnic charge, to be torn on stretching and positioned at a distance and separated from said piston assembly; and bythe first axis of said fastening assembly that is torn on stretching, and the second axis of said piston assembly that is disassembled upon termination of the piston stroke, wherein the first axis and the second axis are essentially parallel one to the other, while essentially in an orthogonal and radial direction of operation relative to said shroud's lengthwise axis. 2. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 1, wherein said two components of said shroud are identical and wherein each one of said components is formed, with—a first bracket formed as a bore with a shoulder and an opening that enables access to said shoulder from an external side of said shroud and wherein said first bracket is suited to embrace said fastening assembly made to be torn on stretching; anda second bracket formed as a space that is closed at its end that faces the external side of said shroud, and with a slot along its length that is suited in its dimensions to hold said pyrotechnic charge and wherein said second bracket is positioned at a distance and separate from said first bracket, and suited to include said piston assembly that disassembled upon completion of the said piston stroke. 3. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 1, wherein said two components of said shroud, are made from a polymeric material. 4. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 1, wherein said base comprises—weakening means formed around a circumference of said base; andconnection means for connecting said shroud to said airborne vehicle that is located at a lower part and at a distance from said weakening means. 5. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 4, wherein said weakening means are grooves formed in the wall thickness of said two components and around a circumference of each said two components so as to form a ring like outline. 6. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 5, wherein said connection means for attaching said shroud to said airborne vehicle, includes an array of openings formed in said two components around said circumferences of each of said two components and suited to receive connecting means that are connectable to said airborne vehicle. 7. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 1, wherein said base includes—a hinge for connecting said base sector of said component of said shroud to said airborne vehicle, andwherein said hinge being configured that when said component starts to separate, a force exerted on said component of said shroud detaches said hinge, thereby removing said component from said airborne vehicle. 8. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 7, wherein said hinge being configured so that said force exerted on said hinge rotates said component of said shroud prior to detaching said hinge. 9. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 7, wherein said hinge is formed with a weakening slit and an anvil means; andis adapted so that when said component of said shroud separates to a predetermined angle, said hinge is rotated until striking said anvil means which cause said hinge means breakage along said weakening slit. 10. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 1, wherein said fastening assembly includes—a component that is given to be torn on stretching; anda stretching means that is suited to be installed at a one end of said component that can be torn on stretching; anda shoulder means that is suited to be installed at said second end of said component that can be torn on stretching, and wherein said component that can be torn on stretching is formed with a weakening sector; andit is suited to be installed inside brackets that are formed in said two components of said shroud. 11. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 10, wherein said fastening assembly given to be torn on stretching includes also a rotation preventing means meant to prevent biasing of said component that is given to be torn on stretching to torsion stresses when fastening said two components of said shroud and linking said two components of said shroud one to another. 12. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 10 wherein said stretching means and said shoulder means constitute two screws that are each installed from said opposite end of said component that is given to be torn on stretching, wherein at least one head protrudes from a circumference of said stretching means. 13. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 1, wherein said piston assembly that disassembled upon completion of the piston stroke, comprises—a first and second house components each formed with an open inner space at a first house component end and closed on a second house component end, and are suited to be installed one against another, one inner space facing an opposite secondary inner space; anda piston rod component suited to be installed inside said inner spaces and is movable in said inner spaces in order to push said closed inner end of said second house component that serves as an anvil; andan electrically detonable pressure cartridge or a gas generator that upon actuation serves as said pyrotechnic charge and that is connectable to said closed inner end of said first house component for driving said piston rod component, to move towards said closed end of said second house component that—as said, serves as an anvil to said rod and simultaneously to drive said first house component in a direction opposite to the movement direction of said piston rod component. 14. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 13, wherein said piston rod is formed with a neck sector that is thin, and wherein said a piston assembly further comprises:anchoring means that anchors said piston rod unto said second house component in a manner that—it enables movement of said piston rod towards said closed end of said second house component that—as said, serves as an anvil to said rod; andenables angular movement of said piston rod from the beginning of the separation of said first house component from said second house component. 15. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 14, wherein said anchoring means is a springy pin that is affixed unto said second house component and able to pass through an opening that is formed in said piston rod component, and wherein said opening enables by its dimensions linear and angular movements of said piston rod relative to said second house component and within its inner space. 16. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 1, wherein said apparatus further comprises:an extractable safety means that as long as it was not extracted and removed from its position, it prevents said two components of said shroud to separate and move farther apart one from the other, even in case wherein said pyrotechnic charge has been detonated inadvertently or due to a failure. 17. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 16, wherein said safety means includes safety lock that connects together said piston assembly and is extractable by a sideways movement relative to said length axis of said shroud. 18. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 1, wherein said shroud further comprisestwo means for supplementing said shroud aerodynamic configuration upon said splitting and during said removing, that are suited to be installed one opposite to another between said two components of said shroud. 19. An apparatus for splitting and removing a shroud from an airborne vehicle in accordance with claim 1, wherein said shroud further comprises:wiring means for electrically connecting said the pyrotechnic charge to said base; andan electrical contact means positioned at said base and electrically connects between said pyrotechnic charge and said airborne vehicle in a detachable upon said shroud separation and removing manner. 20. A method for splitting and removing a shroud from an airborne vehicle, the method comprising: pyrotechnically actuating a piston assembly that is disassembled upon completing the piston stroke, andthat is positioned at a distance and separated from a fastening assembly that serves for fastening the two shroud's components one to the other, andwherein the piston rod movement causes the biasing of said fastening assembly into a stretching stress that brings about its tearing, andwherein the first axis and the second axis are essentially parallel one to the other, and essentially in an orthogonal and radial direction of operation relatively to the lengthwise axis of said shroud. 21. A ground to air missile in which there is installed an apparatus for splitting and removing a shroud in accordance with claim 1. 22. A method for splitting and removing a shroud from an airborne vehicle in accordance with claim 20, wherein the method further comprises: enclosing said airborne vehicle into a canister while an extractable safety means prevents separation one from the other of the two shroud components even in cases wherein the pyrotechnic charge was inadvertently or due to a failure detonated; andextracting said safety means before launching of said airborne vehicle.