SUBMERSIBLE CAGE DEVICE FOR FISH FARMING

The present invention pertains to the field of aquaculture, more precisely to pisciculture, and relates to a cage structure containing fish and used for rearing the same. This invention is preferably intended for fish farming and fish rearing, and uses a floating closed-type blister. Apart from fish...

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Bibliographische Detailangaben
Hauptverfasser:	BUGROVA, LJUDMILA ALEXANDROVNA, MATVEEV, SERGEI NIKOLAEVICH, BUGROV, LEONID JURIEVICH
Format:	Patent
Sprache:	eng ; fre ; rus
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY CARE OF BIRDS, FISHES, INSECTS FISHING FORESTRY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HUMAN NECESSITIES HUNTING NEW BREEDS OF ANIMALS REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRAPPING
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Beschreibung
Zusammenfassung:	The present invention pertains to the field of aquaculture, more precisely to pisciculture, and relates to a cage structure containing fish and used for rearing the same. This invention is preferably intended for fish farming and fish rearing, and uses a floating closed-type blister. Apart from fish farming applications, this invention may also be used for rearing various kinds of sea animals. The submersible cage device of the present invention includes a net-type chamber (1) with a frame (2), means (3) for supplying food into said chamber (1), means (4) providing constant buoyancy as well as a vertical positioning system (5). This system (5) comprises at least one negative-buoyancy flexible member (6) suspended under the frame (2) as well as a variable-buoyancy housing (7). This device also includes a horizontal positioning system (8) comprising anchors (9) connected to the frame (2) by guy-wires (10) having intermediate support floaters (11). The novelty in this device is that the negative-buoyancy flexible member (6) has a weight that changes along its length, wherein said weight discretely increases from the frame (2) towards the free end. The weight (m) of each discrete segment of the flexible member (6) exceeds the variation in the buoyancy index of the variable-buoyancy housing (7), wherein said variation is caused by a modification in the hydrostatic pressure within a depth interval that is equal to the length (1) of a discrete segment. Cette invention se rapporte au domaine de l'aquaculture, plus précisément à celui de la pisciculture, et concerne une structure de cage renfermant des poissons et servant à leur élevage. Cette invention, qui est de préférence utilisée en pisciculture et pour l'élevage de poissons, fait appel à une coque flottante de type fermé. Outre la pisciculture, cette invention peut être également utilisée dans l'élevage de divers types d'animaux marins. Le dispositif à cage submersible comprend une chambre de type filet (1) comportant une carcasse (2), un système d'alimentation en nourriture (3) vers l'intérieur de la chambre (1), un système (4) assurant une flottabilité constante, ainsi qu'un système de positionnement vertical (5). Ce dernier se compose d'au moins un élément flexible (6) à flottabilité négative suspendu sous la carcasse (2), et d'une enceinte à flottabilité variable (7). Ce dispositif comprend enfin un système de positionnement horizontal (8) qui se compose d'ancres (9) connectées à la carcasse (2) par des h