Abstract:
A method of compensating by means of external bearing reactions for the roll and pitch forces, a rigid ship-borne tank movably suspended at discrete external points distributed along the periphery of the said tank and consisting in applying said bearing reactions, without creating any normal effect, onto said tank at discrete points along the tank periphery located in a same horizontal plane so as to be horizontal relative to said ship by being each parallel with the local plane tangent to the tank perpendicularly to the normal passing through the point of application of the bearing reaction considered.
Abstract:
An antirolling and antipitching device for a ship-borne spherical tank movably suspended from the ship''s hull and comprising at least one horizontal ring surrounding said tank and freely interposed between the latter and said hull, said ring being formed with radial guide elements engaging in vertically and radially horizontally sliding relationship corresponding slide means secured to said tank and to said hull, respectively.
Abstract:
A method of making a dihedron-like corrugated corner element from a metal sheet, comprising folding said sheet into a dihedron and forming therein a corrugation extending throughout transversely of the edge of the dihedron by driving in a portion of said sheet while simultaneously drawing near to each other the non-deformed sheet portions located on each side of the crest folding line of the corrugations.
Abstract:
A suspension device for a vehicle-borne rigid storage tank consisting of spaced fastening supports connected to the vehicle structure and to the tank. The supports are distributed horizontally about the tank. The connections between the supports and vehicle structure are provided by rigidly interconnected beams parallel with a horizontal plane of the vehicle and are arranged in a polygonal, convex configuration surrounding the tank.
Abstract:
1. AN AUXILIARY DEVICE FOR SUPPORTING A TANK AGAINST ROLL AND PITCH AND ASSOCIATED WITH A SYSTEM OF MAIN MOVABLE AND SUBSTANTIALLY VERTICAL SUSPENSION SUPPORTS, SAID DEVICE COMPRISING AT LEAST ONE SET OF STATIONARY BEARING MEMBERS SUBSTANTIALLY ADJACENT TO ONE ANOTHER AND DISTRIBUTED ALONG THE PERIPHERY OF SAID TANK AT LEAST APPROXIMATELY IN ONE AND THE SAME RELATIVE HORIZONTAL PLANE, EACH BEARING MEMBER COMPRISING A SUBSTANTIALLY TRIANGULAR BRACKET SUPPORT COMPRISING IN PARTICULAR TWO OVERHANGING RODS, A STATIONARY EXTERNAL STRUCTURE SPACED FROM SAID TANK, (RESPECTIVELY AT TWO, AT LEAST HORIZONTALLY SPACED POINTS OF THE TANK LOCATED RESPECTIVELY ON EITHER SIDE OF THE NORMAL RELATIVE VERTICAL PLANE PASSING THROUGH SAID MEMBER), ONE OF THE ENDS OF SAID RODS BEING CONNECTED TO SAID STRUCTURE, SAID RODS PROJECTING RESPECTIVELY FROM TWO AT LEAST HORIZONTALLY SPACED POINTS OF SAID STRUCTURE LOCATED RESPECTIVELY ON EITHER SIDE OF THE NORMAL RELA-
TIVE VERTICAL PLANE PASSING THROUGH SAID MEMBER AND SAID RODS CONVERGING TOWARDS SAID PLANE, A GUIDING ELEMENT INTERCONNECTING THE OTHER ENDS OF SAID RODS IN SAID PLANE, A (FORCE-) FORCED GUIDING BEARING SOLID WITH SAID TANK WITH WHICH SAID ELEMENT COOPERATES, EACH GUIDING BEARING HAVING A GUIDING PATH FORMING A SLIDEWAY CONSTITUTED BY A RECTILINEAR ELONGATED RECESS FORMING A SUBSTANTIALLY HORIZONTAL STRAIGHT SLOT WITH PARALLEL OPPOSITE EDGES, THE LONGITUDINAL PLANE OF SYMMETRY OF SAID SLOT BEING IN SAID NORMAL RELATIVE VERTICAL PLANE, SAID GUIDING ELEMENT CONSTANTLY ENGAGING SAID SLIDEWAY WITH BILATERAL CONTACT WHILE MOVING IN SAID NORMAL RELATIVE VERTICAL PLANE.
Abstract:
Method and device of treatment of natural gas contained in storage tanks, for producing liquid nitrogen by extraction of nitrogen from the vapours resulting from the evaporation of said liquefied natural gas in said tanks, liquefaction of a portion of said extracted nitrogen and storage thereof for forming a reserve of cold.
Abstract:
A device for protecting the environment of a storage tank against failures thereof, said tank containing liquefied gas at low temperature and at a pressure about atmospheric pressure and being housed in a heat-insulated compartment of a ship hold, said device comprising a fluid-tight, concave dished structure forming a reduced secondary barrier arranged below and about the lower portion of said tank.