2592results about "Breakwaters" patented technology

An apparatus and method for providing electrical energy to an electrical device by deriving the electrical energy from motion of the device. In one embodiment, the inventive apparatus includes a novel kinetic electrical power generator (KEPG) consisting of an inventive oscillating weight having an internal cavity with a freely movable acceleration element disposed therein, resulting in improved acceleration and oscillation capabilities and lower motion threshold for the weight, a system for converting the weight's oscillating motion into rotational motion, and an electromechanical transducer system for generating electrical energy from the rotational motion. The novel KEPG includes components for modifying the electrical energy for storing and/or feeding the modified electrical energy to the electrical device. Optional components may be included for using the modified electrical energy to recharge one or more rechargeable batteries used in an electric device. Alternate advantageous embodiments of the inventive apparatus include, but are not limited to: a KEPG with multiple inventive oscillating weights to increase velocity and frequency of desirable rotational motion, and a KEPG system utilizing multiple electrically coupled KEPG sub-systems.

Sediment control devices and systems are provided. The device generally includes a core made up of granular material encased within a puncture resistant fabric, a compressible layer enwrapping the core and a geotextile fabric outer casing. A plurality of such devices provide a system for controlling erosion and sedimentation.

A barrier for reducing erosion along shorelines includes a barrier body formed as a unitary, molded plastic structure. In one embodiment, the barrier body has at least one elongate passage extending through it, between oppositely disposed first and second sides, and an interior reservoir. A port formed into the barrier body communicates with the interior reservoir to facilitate filling the reservoir with material to thereby add weight to the barrier. The barrier further includes at least one anchor formed into a side of the barrier body and associated with the passage to control shrinkage of the barrier body as it is being molded. In another embodiment, a method of making the barrier body includes placing plastic material in a mold, manipulating the mold to distribute the plastic material within the mold and thereby form the barrier body as a unitary piece, and reducing the shrinkage of the molded barrier body with the anchor.

A sediment control roll includes a threshold member having large apertures therethrough, a hollow sediment collection chamber, and an outflow filter having small apertures therethrough. The sediment control roll can be used to collect sediment in runoff from a construction site, or to reduce removal of sediment from an existing mass of soil, sand or other sediment. The sediment control roll can for example be made by rolling up extruded polymeric netting with filter cloth attached thereto.

A liquid crystal display (LCD) apparatus is divided into a display area on which an image is displayed and a non-display area surrounding the display area. The LCD apparatus includes an organic insulating layer partially formed in the non-display area. A portion of the organic insulating layer is not formed, obtaining a vent space through which to exhaust air trapped when a first substrate is combined with a second substrate of the liquid crystal display apparatus. The LCD apparatus may rapidly and easily exhaust the trapped air from the display area and uniformly maintain the cell gap between the first and second substrates, improving display quality of the LCD apparatus.

A device and method for stabilization of beaches and building walls, patios and similar simple structures consisting of blocks with trapezoidal or rectangular shapes which have staking or interlocking means of interconnecting blocks and where the top has an open area allowing fill by slurries of water and sand, gravel or clay and the escape of clarified water during and after filling.

A modular retaining wall with improved features is illustrated and described. Open or closed polygonal modules having channels disposed therein are set at least partially below a surface, said surface either being land-based or aqueous-based, and interfaces therebetween, e.g., shoreline, and attached to each other by respective fastening means which provide engaging connectivity between the modules.

The invention discloses a floating bulwark with a flexible structure. The floating bulwark with the flexible structure comprises multiple water surface wave absorbing structural units, an underwater wave absorbing structure and an anchoring system. Each water surface wave absorbing structural unit comprises at least two cylinder-shaped floating cylinders. Every two adjacent cylinder-shaped floating cylinders are connected through a connection column in a rigid mode. The underwater wave absorbing structure comprises a wave-proof net and wave-proof balls. The wave-proof net is arranged below the cylinder-shaped floating cylinders. All the water surface wave absorbing structural units are elastically connected through connecting devices. With the cylinder-shaped floating cylinder connection structures and especially the double-connection-cylinder structures, materials can be effectively saved or the width of the bulwark can be effectively increased. By absorbing wave energy on the water surface and below the water surface, facilities can work normally. The connection devices can connect all the modules into a whole to fight against waves and collision among all the modules can be avoided. A concave steel plate can facilitate replacement of an aged rubber ring. The anchoring system can ensure safety working of the floating bulwark under the action of the waves, and meanwhile, the floating bulwark can work normally in water zones where piling is not convenient.

A floating breakwater assembly comprising an array of elongate rods articulated to one another for extending at a substantial vertical position at least partially submersed in water, wherein the rods are made of a flexible material and where the array is elastically deformable into an arcuate shape by bending the array.

The invention relates to a floating breaker, which comprises a floating box, wave weakening plates and an anchoring system. The more than one wave weaning plate is arranged at the bottom of the floating box in front and rear manner; a plurality of wave weakening holes are arranged on the wave weakening plates; the plurality of wave weakening holes are distributed in a staggered manner on the wave weakening plates arranged in front and rear manner; and the floating box is connected with the anchoring system. With the adoption of the floating breaker provided by the invention, the effect of weakening deep water wave energy is improved, the impact force on a wave weakening panel by waves is reduced, the weight of the integral floating breakwater and the impact force of the waves are reduced, and the security of a fixing anchoring system is promoted; when an anchor chain of the fixing anchoring system fractures or an anchor slips away, the protecting anchoring system is started immediately to play the role of protecting and fixing the anchor chain or the anchor; and if the anchor chain fractures or the anchor slips away again in the protecting anchoring system, a security anchor chain of a security anchoring system is started to automatically pull down a security door of the floating box, so that seawater flows in the floating box quickly, and the floating box sinks to the seabed. The floating breaker provided by the invention is safe and reliable and can substantially reduce the manufacturing cost of the whole engineering.

A large scale geotextile tube includes a plurality of shelves that extend across the width of the geotextile tube with each shelf formed of a web of geogrid material or geocell material. As one moves from the bottom of the geotextile tube to the top of the geotextile tube, the width of each shelf decreases. The geotextile tube can be surrounded by an envelope formed of geogrid material.

A process for the bonding of a plastics pipe to another plastics part by ultrasound welding using sound waves which act longitudinally with respect to the pipe axis, while the arrangement of the areas to be welded is substantially parallel to the pipe axis. The welding procedure is combined with the forced insertion of the other plastics part into the plastics pipe in such a way that there is at least some overlap between the exposure to sound and the forced insertion.

The present invention is directed to an irrigation device and irrigation system. More specifically, the present invention is directed to a weep or tear type irrigation device and irrigation system.

A transportable wave suppressor and sediment collection (WSSC) system, including a method of installing same, the system installed to suppress wave action and provide land restoration along the shore of a body of water, such as a coastline, which includes a plurality of interconnected sections of the system, each section including a base, a forward wall, and a rear wall, having a plurality of fluid flow pipes extending from the forward wall to the rear wall, for allowing water including sediment to flow into the pipes at the forward wall and exit the pipes at the rear wall. There is further provided a one-way valve member at the rear wall exit of each pipe, so that water carrying sediment cannot return through the pipe as the wave action recedes from the coastline. There is provided a flow opening including a weir between multiple sections so that water can flow therethrough.

The invention discloses a perforated case type floating breakwater with a built-in buoyancy unit. The perforated case type floating breakwater comprises a perforated case structure, the buoyancy unit and anchoring devices; the buoyancy unit is arranged inside the perforated case structure, and the anchoring devices are symmetrically arranged on two sides of the perforated case structure; the perforated case structure comprises a plurality of porous rigid plates, rigid plates and rigid support columns, the porous rigid plates and the rigid plates are perpendicular to one another pairwise and are rigidly connected with one another to form the perforated case structure, and the rigid support columns are parallelly mounted at the bottom of the perforated case structure; the buoyancy unit comprises a plurality of rubber pieces, air is filled in each rubber piece, and the rubber pieces are arranged inside the lower half portion of the perforated case structure. The perforated case type floating breakwater has the advantages that stable and reliable buoyancy can be provided, so that accidents that the traditional case type floating breakwater is sunken into a seabed due to loss of buoyancy when cracks are formed in an outer structure of the traditional floating breakwater and water seeps into the traditional floating breakwater are prevented, materials are effectively saved, the cost is lowered, draft of the breakwater can be adjusted, a wave absorbing effect is improved, and the perforated case type floating breakwater can be applied to water areas where piling anchoring cannot be implemented.

A device is provided for preventing shoreline erosion and for rebuilding the sand beach along the shoreline of a large body of water. A series of the devices are placed in side-by-side relation essentially parallel to the shoreline. The device includes a hollow plastic structure fillable with a heavy material, such as cement. The structure has a trapezoidal configuration to lower the center of gravity of the device and includes inclining front and rear walls converging toward each other to the top wall. The hollow plastic structure includes a plurality of tubular members extending from the front wall to the rear wall. The front and rear walls have access apertures opening to the tubular members. The tubular members gradually taper from a predetermined diameter at the access apertures in the front wall to half of the predetermined diameter at the access apertures in the rear wall to reduce the velocity of the flow of water to the large body of water.

A sectionalized flood control barrier (10) for mounting on top of a levee or a river bank to prevent flooding. The barrier (10) consists of a footing (20) with a series of support channels (24) that are butted end to end attached to the footing. The support shells are sealed watertight at the interface with each other and also to the footing. A series of primary channel bridge assemblies (32) and secondary channel assemblies (46) are disposed within the support channels (24) and are also butted end to end. Wind protectors (60) contiguously engage each support channel (24) and rest upon the footing for diverting the wind over the barrier. Stepped fastening risers (62) are attached to the footing on each end and over the channel assemblies, and wind protectors hold them securely in place.

Provided are a variety of variable-buoyancy structures, such anchors, together with methods and apparatuses for fabricating the same in the water. Generally speaking, such methods and apparatuses use a variable-buoyancy platform-based mold, initially floating, that includes multiple forming cells for fabricating the resulting variable-buoyancy structure. As a result, the variable-buoyancy structure produced has multiple corresponding structural cells having open bottoms. However, the structure may be fabricated so as to include a flexible or rigid container within some or all of such open-bottom cells.