200results about "Hull panellings" patented technology

A mobile platform interior panel is provided that includes a body formed by a low pressure injection process and at least one of a duct and a layer of insulation integrated with the body. The low pressure injection process allows the duct and insulation to be integrated with the body simultaneously with the forming of the panel. More specifically, the duct is integrated with the panel by forming at least one internal cavity within the panel as the panel is formed. Additionally, the insulation is integrated with the panel by forming the panel using a low pressure injection material having desired insulative properties.

A fire barrier panel of the kind suitable for lining car decks and engine rooms of high speed aluminum ferries is described. The panel (10) includes a relatively thin layer of inorganic insulating material (12) adhered to a lightweight support structure (14). The layer of inorganic insulating material may be an intumescent material made from mineral fibers. The decribed lightweight support structure (14) is a honeycomb panel having a honeycomb core (18) of non-combustible aluminum foil provided with two face skins made of glass reinforced plastics resin material (16). This construction of the honeycomb panel (14) is lightweight and has high stiffness and rigidity suitable for stiffening and supporting the insulating material into a rigid panel. The layer of intumescent material (12) supported on the panel expands when exposed to high temperatures to form a thick fire insulating barrier panel. Because the panels are self-supporting, and therefore support structures, installation costs are much lower than for prior art fire insulation systems.

A fire barrier system for use in aircraft, ship or offshore drilling platform comprises a flexible graphite sheet. Methods of providing fire barrier protection in an aircraft, ship or offshore drilling platform comprise installing the described fire barrier system in the aircraft, ship or offshore drilling platform. Additionally, the fire barrier system when installed in the aircraft, ship or offshore drilling platform is described.

Disclosed is a liquid container adapted to store liquefied natural gas (LNG). The LNG storage container include a sealing wall directly contacting liquid contained in the tank and a structural wall, which is an exterior wall or inner structure integrated with the exterior wall. The container further includes a plurality of connectors mechanically connecting the sealing wall and the structural wall and an intermediate wall structure positioned between the structural wall and the interior wall. The intermediate wall structure is configured to move relative to at least one of the interior wall and the structural wall.

A sealed and insulated tank comprising a tank wall fixed to a load-bearing member of a ship, said tank wall having a main sealing compartment, a main insulating compartment, a second Two airtight barriers and a second thermally insulating barrier, at least one of said thermally insulating barriers consisting essentially of juxtaposed thermally non-conductive components (3), each thermally non-conductive component comprising a thermally insulating liner, at least one plate and passing through said thermally insulating The thickness of the liner is raised to withstand the pressure of the load-bearing partition. These partitions include at least one buckling-resistant partition (14) comprising a plurality of buckling-resistant wall members having buckling-resistant wall members each forming an angle with respect to the general longitudinal direction of the buckling-resistant partition. Orientation, such as corrugations or double-walled sections.

Disclosed is a device for mounting a tank in a ship (1). Said device comprises at least two foundations (4) which are fastened to the hull at a distance from each other in the longitudinal or transversal direction of the ship (1) and each of which supports one saddle (6) that is adapted to the shape of the tank (3) and is used for accommodating the tank (3). The inventive device further comprises an insulating layer (8) that is provided on each saddle (6) to thermally insulate the foundations (4) relative to the tank (3) as well as safety mechanisms (10; 12; 15) for mounting the tank (3) on the foundations (4), said safety mechanisms (10; 12; 15) allowing a relative movement between the tank (3) and at least one foundation (4) on the insulating layer (8) in the longitudinal direction of the tank. Each saddle (6) is fastened directly to the tank (3) and has a planar bottom face (7) while each foundation (4) has a planar top face (5), all bottom and top faces (7; 5) being parallel to one another. The insulating layer (8) is disposed between the bottom face (7) of the saddle (6) and the top face (5) of the associated foundation (4) while the safety mechanisms (10; 12; 15) allow a limited relative movement between each saddle (6) and the foundation (4) thereof on or in the insulating layer (8).

A composite structural laminate plate construction comprises two outer metal layers, a form between them and an elastomer layer bonded to the outer metal layers and filling the space between them other than that occupied by the form. The form may be foam and may be in partial contact with the metal layers.

An assembly includes a top cushion layer made of first EVA material defining a flat top surface formed with a non-skid pattern and a bottom surface opposite to the top surface. Also included is a resilient middle cushion layer made of second EVA material softer than the first EVA material. The middle cushion layer defines a top surface supporting the bottom surface of the top cushion layer and a bottom surface opposite to the top surface of the middle cushion layer. The assembly includes a bottom cushion layer made of EVA material and defining a top surface supporting the bottom surface of the middle cushion layer and a bottom surface opposite to the top surface of the bottom cushion layer. The bottom surface of the bottom cushion layer includes at least one fastener configured to removably engage and disengage a complementarily configured fastener substrate on a deck by hand.

A fixing device of a first barrier-reinforcing member is disclosed. An exemplary embodiment provides a fixing device of a first barrier-reinforcing member for supporting first and second corrugated portions that are formed in a first barrier to cross each other in a liquefied natural gas storage tank including a heat-insulating board and a first barrier positioned thereon and forming an inner wall, including: a fixing bracket including a coupling portion fixedly inserted in insertion grooves formed under lateral sides of a crossing portion where the first and second corrugated portions cross, and a body coupled to one side of the coupling portion; and a first fastening member for fastening an impact-absorbing plate between the heat-insulating board and the first barrier with the other side of the body. The reinforcing member is fixed to inner sides of the first and second corrugated portions by the impact-absorbing plate.

The invention relates to a method for lowering noise of ship compartments. The method for lowering the noise of the ship compartments is characterized in that in a ship design stage, the following steps are adopted, specifically, (1) an accommodation and a flue are separately arranged, and the compartments with high noise requirement are arranged by being far away from a noise source; (2) sound absorption materials are laid in the compartments, and the sound absorption treatment is performed by arranging sound absorption structures and coating the interior of the compartments with environment-friendly noise-reduction materials; (3) the sound insulation treatment is conducted, specifically, lining plates and independent wall plates with large noise-reduction values are adopted, ceilings are adopted so that vertical transmission of the noise can be cut off, and sound insulation windows and sound insulation doors are selected; and (4) the step of a vibration attenuation and vibration isolation measure is performed, specifically, decks adopt vibration attenuation and vibration isolation structures, the ceilings adopt high-damping materials with elastic connection and high internal friction force on steel plate. According to the method for lowering the noise of the ship compartments, as the noise-reduction treatment is already performed on the compartments in the design stage, a large quantity of workload of rectification when the noise exceeds standards after ship construction is completed is avoided, and the requirements of IMO A.468(XII) and MSC.337(91) are met.

The invention relates to a method for enlarging a ship, in which method a container ship, conbulker, multi-purpose ship, LASH ship, or other ship having a high degree of deck opening is widened, wherein a front ship segment (23) comprising the bow (22) and a rear ship segment (25) comprising the stern (24) are separated from a middle ship segment (16) comprising at least part of the cargo hold, the middle ship segment (16) is divided into at least two middle ship parts (30, 31) in a longitudinal direction, the middle ship parts (30, 31) are moved apart in a transverse direction of the ship, an additional middle part (34) is installed between the middle ship parts (30, 31) that have been moved apart and thereby a widened middle ship segment is formed, a widened front ship segment (23) is attached to the front of the widened middle ship segment (16), and the rear ship segment (25) is attached directly to the rear of the widened middle ship segment (16).

A floating vessel comprising, in the orientation of use, a central longitudinal member (2) having a vertical height, and to each side of the longitudinal member an upper substantially laminar panel (3) connected to the longitudinal member and extending outwardly therefrom and a lower substantially laminar panel (4) connected to the longitudinal member at a distance below the upper panel and extending outwardly from the longitudinal member, wherein the outermost edges of the upper and lower panels are connected and the lower panel is larger in the outward direction than the upper panel such that the panels form a stable structure.

The invention discloses a vibration damping and noise reducing flexible sandwich plate for a ship structure. The vibration damping and noise reducing flexible sandwich plate for the ship structure comprises a framework, an inner face plate, an outer face plate and a flexible sandwich layer; the flexible sandwich layer is arranged between the inner face plate and the outer face plate; the inner face plate and the outer face plate which cover two openings of the framework are connected with the framework. The vibration damping and noise reducing flexible sandwich plate for the ship structure is characterized in that adhesive layers are arranged on opposite surfaces of the inner face plate and the outer face plate; the flexible sandwich layer is formed by cylindrical corrugated thin shell flexible structural bodies which are distributed in an equally spaced mode; two end surfaces of the cylindrical corrugated thin shell flexible structural bodies are connected with the inner face plate and the outer face plate through the adhesive layers respectively. The vibration damping and noise reducing flexible sandwich plate for the ship structure has the advantages of replacing a traditional ship outer casing rib structure, integrating a ship shell body structural function and a vibration damping and noise reducing function, improving the damping effect by more than 5 dB and improving the sound insulation effect by 10 dB compared with a traditional ship outer casing rib structure, maintaining the bearing capability of a ship casing structure and improving the hiding effect of the ship structure.

Sealed, thermally insulated tank has tank walls fixed to the load-bearing structure (1) of a floating structure, the tank walls having, in succession, in the direction of the thickness from the inside to the outside of the tank, a primary sealing barrier (8), a primary insulating barrier (6), a secondary sealing barrier (5) and a secondary insulating barrier (2), at least one of the insulating barriers includes juxtaposed non-conducting elements, each non-conducting element including a thermal insulation liner (63) and load-bearing elements that rise through the thickness of the thermal insulation liner in order to take up the compression forces, characterized in that the load-bearing elements of a non-conducting element include pillars (65) of small transverse section as compared to the dimensions of the non-conducting element in a plane parallel to the tank wall.

The invention provides a multilayer composite grid sound barrier. The multilayer composite grid sound barrier is of a multilayer composite three-dimensional structure, and comprises surface layers, a plurality of middle sound isolation layers and light-weight sandwich layers, wherein the surface layers are positioned on the surfaces of the two sides of the multilayer composite grid sound barrier; the middle sound isolation layers are positioned between the two surface layers; the light-weight sandwich layers are positioned between the surface layers and the middle sound isolation layers and between the middle sound isolation layers and fill gaps; the surface layers and the middle sound isolation layers are made of sound isolation materials or composite sound isolation materials; the light-weight sandwich layers are made of sound absorption material. The sound barrier also comprises keels; the keels are positioned between the surface layers and the middle sound isolation layers, connect the surface layers and the middle sound isolation layers and connect the middle sound isolation layers to form a three-dimensional grid structure; and the keels positioned at the two sides of the each middle sound isolation layer are not overlapped with the extension lines of the keels arranged at the other side of the middle sound isolation layer. The multilayer composite grid sound barrier has excellent sound isolation performance; meanwhile, good heat insulation performance is realized; the structure is firm, simple and reasonable; the weight is light; the thickness is small; the installation is convenient; the production and manufacturing process is simple; and the cost is low. The invention also provides application of the multilayer composite grid sound barrier.

The invention provides a fireproof panel meeting the A-level fire-protection standard in the International Convention for the Safety of Life at Sea. The fireproof panel's structure is like this: the plate-type heat-insulating block (13) which will be formed as the panel's shape is clamped between the outside panel (11) and the inside panel (12) made of thin steel plates, and on the left and right edges of aforementioned outside panel (11) and inside panel (12) are formed the coupled convex part (15) and concave part (14) which form the scarfing structure; the scarfing width of the aforementioned convex part (15) and concave part (14) is set between 90% and 98% of the panel's thickness, and the scarfing depth is set between 60% and 100% of the panel's thickness.

The present application relates to a structural sandwich plate member comprising first and second outer metal plates and a core of plastics or polymer material bonded to the outer metal plates and arranged to transfer shear forces there between, wherein the member further comprises: a conduit for a temperature control medium, the conduit being embedded in the core and in thermal contact with at least one of the outer metal plates.

The invention discloses a composite structural member for reducing noise and vibration in a ship cabin., The member comprises a outer layer micro-perforated plate, a framework and an inner layer micro-perforated plate, all of which are connected through connecting parts and enclosing walls for a chamber. The outer layer micro-perforated plate and the inner layer micro-perforated plate are fixedlyconnected and combined into a double-layer micro-perforated cavity through a frame, and a plurality of rows of multi-layer particle dampers are fixedly connected on two side walls corresponding to the frame in the cavity through elastic connecting rods. The outer layer micro-perforated plate and the inner layer micro-perforated plate are fixedly connected to each other through a frame. The invention can optimize the sound absorption coefficient of the micro-perforated plate without changing the cabin structure, broaden the sound absorption frequency band, improve the sound absorption effect,reduce the vibration of the cabin structure, and create a good cabin working environment. Moreover, the invention has the advantages of compact structure and convenient installation. It has a good prospect of engineering application.

Disclosed herein is a heat insulating system of a floating structure, and more particularly, a heat insulating system of a floating structure in which a heat insulating material is provided at at least one of a ballast tank, a trunk deck space, and a side passage way contacting the trunk deck to decrease a boil-off rate (BOR) occurring due to a heat transfer from an external region of a hull into an LNG storage tank.

The invention relates to a marine vessel cryogenic barrier which is formed of a plurality of individual panels, each panel being arranged to align with an adjacent panel on an inner surface of a hold space of a marine vessel and comprising a single coupling means at the centre of the panel and an impervious layer on a surface of the barrier facing the hold space.

The present invention discloses a novel anti-collision high-speed planing boat, comprising a boat body composed of side plates and a bottom plate; the boat body is provided with a battery compartment, a first reserve buoyant compartment, a second reserve buoyant compartment, a third reserve buoyant compartment, a fourth reserve buoyant compartment and a fifth reserve buoyant compartment sequentially from tail to head, the fifth reserve buoyant compartment is provided with a head peak tank, an empty compartment is provided in the battery compartment, and a fuel tank compartment is arranged in each of the second reserve buoyant compartment and third reserve buoyant compartment; the bottom plate includes a stern bottom plate, a bow bottom plate and a middle bottom plate that connects the stern bottom plate and the bow bottom plate. By reasonably laying the boat body, boat stability is guaranteed; by designing the bottom plate into a big-front small-rear V-shaped bottom plate, sailing speed of the boat can be greatly increased and the demand for high-speed law enforcement is met.

The invention relates to a ship containment system for storing and/or transporting liquefied hydrogen, which system comprises a spherical cargo tank arrangement within the ship's hull, wherein (a) thecargo tank is supported by a skirt arrangement mounted on the hull of the ship through which the tank is mounted in the ship without direct contact between outer layer of the cargo tank [4] and the hull, with hold spaces [10] between the cargo tank and the hull, and comprising a structural transition joint [8] between the upper part of the skirt and the lower part of the skirt; and which system is further provided with (b) a pump for loading and discharging the liquefied gas located in a pump tower [1]; (c) a tank cover [2]; (d) a cargo tank insulation layer [3] that is applied to the outer layer of the cargo tank [4]; wherein: the inner side of the ship's hull [6] is provided with an insulation layer [11], covered by an internal lining at the side of the hold spaces [10], being any suitable foil at the vertical sides of the inner hull, and at the sides below the cargo tank on the bottom of the ship's hull structure [9] being a membrane showing minimal expansion and/or contraction under the conditions applied; the hold spaces [10] are filled with an inert gas and are provided with means for managing pressure and means for monitoring temperature; the skirt is mounted on the hull structure with a mounting setup that comprises a insulating layer in between the skirt and the inner side of the inner hull [ 6 ]; and the tank cover (2) is provided with an internal insulation layer [12]. Further, the invention relates to a process for managing insulation of said ship containment system and a process for managing leakages of said ship containment system.