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1315results about "Quays" patented technology

Electrical generator having an oscillator containing a freely moving internal element to improve generator effectiveness

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.
Owner:POWER ESTIMATE

Multihole floating breakwater with wave energy weakened in multiple stages

ActiveCN102587318AIncrease the areaAttenuation of deep water wave energyBreakwatersQuaysEngineeringSeawater
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.
Owner:郑先斌

Perforated case type floating breakwater with built-in buoyancy unit

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.
Owner:JIANGSU UNIV OF SCI & TECH +1

High-pile permeable breakwater

InactiveCN103243679AGood wave dissipation effectSmall wave permeability coefficientBreakwatersQuaysEngineeringMaterial Perforation
The invention discloses a high-pile permeable breakwater which comprises pile foundations, cross beams, longitudinal beams, and a breakwater wave absorbing structure fixed on the cross beams and the longitudinal beams, wherein the cross beams and the longitudinal beams are mounted on the pile foundations; the breakwater wave absorbing structure comprises a plurality of vertically arranged perforated wave blocking plates, a plurality of horizontal wave absorbing plates, a plurality of transverse partition plates, a panel and a breast wall; the horizontal wave absorbing plates and the perforated wave blocking plates are arranged in a cross manner; the transverse partition plates, the horizontal wave absorbing plates and the perforated wave blocking plates are arranged in a cross manner; the panel and the breast wall are arranged at the upper part of the breakwater wave absorbing structure; the breakwater wave absorbing structure is an overall structure; bottom elevations and perforation ratios of the perforated wave blocking plates are different; and elevations of the transverse partition plates are different. The high-pile permeable breakwater is simple in structure, quick to construct, convenient to dismount, low in wave transmission coefficient, economical and light, integrates flow transmission and wave absorbing functions, can effectively reduce the transmissivity of a long wave, and ensures stability of a water area in a harbor.
Owner:JIANGSU UNIV OF SCI & TECH

Large filling bag ecological embankment and revetment building method for river lake channel

InactiveCN105178245ALow initial strengthImprove integrityBreakwatersQuaysCut and fillEngineering
The invention provides a large filling bag ecological embankment and revetment building method for a river lake channel. The method comprises the steps that (1), on the basis of cleaning and leveling, an embankment structure is filled with cleaned river lake bottom mud layer by layer through the large filling bag technology until the embankment structure reaches up to a designed elevation of the embankment top and the height of 0.5-1 m beyond the designed elevation is reserved through filling construction; (2), the cleaned river lake bottom mud is filled through a land pump, or special complete equipment and corresponding construction technologies are adopted to directly conduct mechanical paving and filling, and then the filled cleaned river lake bottom mud is sewn into bags; and (3), filling soil materials of the large geotextile filling bag embankment structure are taken from local resources, the bottom mud obtained through river lake regulation and channel excavation and cleaning is used as the filling soil materials, the initial water content of the filling soil materials is controlled within the range from 50%-80%, and the large filling bag embankment structure which is layered appropriately is adopted according to the practical situation. According to the method, the design is reasonable, the process is simple, construction is easy, operation is convenient, cost is low, popularization is easy, the ecological functions are good, and the method is applicable to ecological management and ecological channel construction of river lakes in soft soil areas.
Owner:NANJING HYDRAULIC RES INST

Floating breakwater with multiple columns of fence type wave stopping insertion plates and design method of floating breakwater

ActiveCN106522158AIntensified non-linear effectsSignificant dissipation of incident wave energyBreakwatersQuaysEngineeringDesign methods
The invention discloses a floating breakwater with multiple columns of fence type wave stopping insertion plates and a design method of the floating breakwater, and belongs to the field of offshore engineering. The floating breakwater is composed of a plurality of breakwater units, a wave stopping wall is distributed on the wave facing side of the upper portion of a rectangular floating box of each breakwater unit, a plurality of T-shaped installation holes are reserved in the middle of each rectangular floating box, and the multiple columns of insertion type wave stopping plates are formed through embedding, fixing and joining. Each rectangular floating box is connected to a sinking block through an anchor cable and is then anchored in a design zone, and the breakwater units are in meshed connection through hooks. According to the floating breakwater, the water limiting effect is formed by the multiple columns of wave stopping plates, water bodies around the wave stopping insertion plates are used for increasing the additional mass of the overall floating breakwater, the inertia and the overall stability of the floating breakwater are improved, and motion of floating bodies is not limited by anchoring only; and meanwhile, the fence type wave stopping insertion plates give consideration to energy transformation of reflection energy dissipation and turbulent fluctuation energy dissipation on the aspect of energy dissipation, and the wave dissipation effect of the breakwater can be obviously improved.
Owner:ZHEJIANG UNIV

Porous floating breakwater suitable for long waves

The invention relates to prefabricated and combined porous floating breakwater suitable for long waves. The breakwater can be arranged in harbors, coasts, rivers and the like. Multiple energy dissipation mechanisms such as reflection resistance, energy peak dissipation, turbulence energy consumption, porous seepage energy consumption and the like are adopted. The floating breakwater consists of three parts, namely, floating components, mooring systems and connecting devices between adjacent floating components. The problems that existing breakwaters are complex in construction method, long in construction period and high in engineering cost are solved. Another technical scheme of the breakwater is as follows: in order to realize a better wave dissipation effect, water surfaces of the floating components are set as vertical still water surfaces, a plurality of wave-dissipation through holes are formed in wave surfaces and back surfaces, and grooves are formed in upper surfaces of the floating components, so that the wave energy can be consumed effectively, and the wave height behind the breakwater can be reduced. The breakwater adopts a thin-wall reinforced concrete structure and is high in self-strength; fixing seams are connected into a whole, and the firmness is good; the construction operation is convenient, short in period and high in efficiency; vertical construction can be performed in water surfaces of embankments of canals, ponds, rivers, lakes, seas and the like as well as waters, the foundation earth volume is small, the paving area is small, and the engineering cost is low.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY +1

Slope protection or flood control dam using discarded tyres

The invention discloses a slope protection or flood control dam using discarded tyres. The slope protection or flood control dam is built by superposing multiple layers of discarded tyre prestressed mesh plates; the discarded tyre prestressed mesh plates are formed by combining multiple discarded tyre prestressed straps; and the discarded tyre prestressed straps are formed by penetrating parallel steel strands through the discarded tyres, prestressing the steel strands, and fixing two ends of the steel strands on outer edges of outmost tyres on two sides. The slope protection or flood control dam using the discarded tyres realizes recycling of wastes at a low cost, and has the advantages of high processing speed, low cost, high transportation speed, rapidness and flexibility in combination and detachment, less resource consumption, capability of regulating the height, the length and other sizes freely, and the like; and the slope protection or flood control dam using the discarded tyres is applicable to on-site quick processing, can meet an emergency requirement, is high in strength, high in impact resistance, high in self-supporting strength, stable and unloose in structure and durable, and is also applicable to manual filling of concrete or stones or filling of gaps between the discarded tyres by using naturally silting sands, stones and the like so as to improve the self weight and the stability and firmness.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER

Breakwater capable of generating electricity by using waves

The invention discloses a breakwater capable of generating electricity by using waves. The upstream side of the cylindrical breakwater is provided with a water accumulating structure; the water accumulating structure comprises two side walls fixedly connected with the cylindrical breakwater; the bottoms of the two side walls are fixedly connected with a reinforced concrete cover plate; the two side walls are provided with inclined upstream fixed front baffle plates; the bottoms of the fixed front baffle plates are fixedly connected with the reinforced concrete cover plate; the reinforced concrete cover plate, the two side walls, the cylindrical breakwater and the fixed front baffle plates form a water accumulating pond with a water accumulating structure; a support frame of the water accumulating structure is arranged in the water accumulating pond; the bottom of the cylindrical breakwater is provided with a drainage flow channel communicated with the water accumulating pond; the drainage flow channel is communicated with the cylindrical breakwater; and a hydraulic power generation unit is arranged in the drainage flow channel. The breakwater capable of generating electricity by using waves has a wave-preventing function, is provided with a wave power generation device, has structural stability and high energy conversion efficiency, and realizes structural optimization.
Owner:TIANJIN UNIV
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