515 results about "Water entry" patented technology

A protective acoustic cover assembly including a metal foil with perforations, and a treatment on one or more surfaces of said metal foil. The treatment is a hydrophobic or oleophobic treatment, or both. The protective acoustic cover assembly has an average specific acoustic resistance of less than about 11 Rayls MKS from 250-300 Hz, an average specific acoustic reactance magnitude of less than about 1 Rayls MKS from 250-300 Hz, and an instantaneous water entry pressure value of greater than about 11 cm. The perforations of the metal foil preferably have an average maximum pore size of less than about 150 micrometers. The protective acoustic cover assembly further includes an adhesive mounting system, and the preferred metal foil is nickel.

An object of the present invention is to provide such a sealing structure that a material to be a deterioration factor such as water or oxygen is prevented from entering from external and sufficient reliability is obtained in a display using an organic or inorganic electroluminescent element. In view of the above object, focusing on permeability of an interlayer insulating film, deterioration of an electroluminescent element is suppressed and sufficient reliability is obtained by preventing water entry from an interlayer insulating film according to the present invention.

A flexible solar cell assembly having solar cells that are positioned within a sealed module chamber. A sealed wiring chamber is positioned on an end of the sealed module chamber and is interposed between the sealed module chamber and a junction box. Wiring interconnecting the junction box to the solar cells in the sealed module chamber is routed through the sealed wiring chamber to inhibit water entry into the sealed module chamber via the wiring.

A flexible solar cell assembly having solar cells that are positioned within a sealed module chamber. A sealed wiring chamber is positioned on an end of the sealed module chamber and is interposed between the sealed module chamber and a junction box. Wiring interconnecting the junction box to the solar cells in the sealed module chamber is routed through the sealed wiring chamber to inhibit water entry into the sealed module chamber via the wiring.

A flexible solar cell assembly having solar cells that are positioned within a sealed module chamber. A sealed wiring chamber is positioned on an end of the sealed module chamber and is interposed between the sealed module chamber and a junction box. Wiring interconnecting the junction box to the solar cells in the sealed module chamber are routed through the sealed wiring chamber to inhibit water entry into the sealed module chamber via the wiring.

The invention pertains to a key equipment for water-saving irrigation, which is a wall-attached fluidic sprinkler, comprising a sprinkler body, a thrust jet, a rotary sealing mechanism, a spacing ring, a reversing mechanism and a fluidic element body. The sprinkler is characterized in that the fluidic element consists of a reverse gulp nozzle, a signal water joint nozzle, an outlet cover, a signal water entry nozzle and a draft tube; on the outer wall of the fluidic element body, the signal water joint nozzle and the reverse gulp nozzle positioned below signal water joint nozzle are arranged at one side; the signal water entry nozzle is arranged at the other side. The signal water joint nozzle and signal water entry nozzle are connected by the draft tube; the outlet cover is arranged at the upper end of the fluidic element body. The signal water inside the signal water joint nozzle causes one side of the main fluid to form a low pressure vortex region discontinuously. The opening and closing of the gulp nozzle causes another side of the main fluid to switch between high pressure and low pressure, thus forming pressure difference between two ends of the main fluid to realize water attaching and complete direct jetting of the nozzle, stepping and reverse running of the sprinkler.

This invention relates to a rock cleavage shearing - seepage coupling test box, the characteristic lay in: box shell includes upper box and lower box, both fitting surface are flat. Inter of upper box and lower box have similar size flute, and two flute together form cavity that can hold rock test piece; Near upper end of left and right wall sheet of lower box have set up water entry and water exit; box shell executed by metal or alloy that has high compressive strength, good water erosion bearing quality. This invention can carry out rock cleavage shearing - seepage coupling test under high infiltration water pressure. because of the designing of sealing device, in the test process water current leakage will not occur when up and down cleavage test piece in conjunction with upper and lower box occurring relative shearing displacement, and still flowing according to predesigned path and mode, so strained condition more fit for nature, data more sincerity, conclusion can serve practical engineering better.

The invention provides a multi-angle object water entry and wave-making motion experimental device, which is a novel water entry experimental device with various water entry modes, a controllable water entry angle and a controllable water entry speed. The device is applied to water and underwater wave-making experiments when a model has a different immersion depth. The device of the invention is composed of an experimental water tank, a driving system, a power cabinet, a control system and a high-speed camera system, wherein the driving system is composed of a supporting frame, a horizontal experimental table, a vertical experimental frame and an angle connector, and the angle connector is connected with the horizontal experimental table and the vertical experimental frame, thereby realizing linkage of a horizontal motion and a vertical motion of the system and adjusting a structure water entry depth. Through respectively controlling speed values of the horizontal experimental table and the vertical experimental frame, oblique water entry, variable speed water entry and wave-making motion experiment can be realized. The device has the advantages of various experimental means, high result accuracy, high device utilization rate, high equipment adaptability and the like.

The invention discloses a manufacture method of an electroconductive aluminum alloy section. The manufacture method comprises the following steps: cast ingot component control, fusion casting, extruding, quenching and aging heat treatment; in the step of quenching, the water entry temperature of the section is 520-530 DEG C, the cooling rate is 180-350 DEG C / min; and in the step of aging heat treatment, the heat-insulation temperature of the section is 160-180 DEG C and the heat-insulation time is 10-16 hours. The aluminum alloy section manufactured by the manufacture method disclosed by the invention has tensile strength of more than 245 MPa, electrical conductivity of more than 55%IACS (International Annealed Copper Standard), and hardness of more than 80HB.

An icemaker includes a main body, a water chamber, an icing device and a cover. The main body has a reservoir with a water inlet, a containing chamber, a water tube connected with the water entry and having water injecting hole, a pump connected with the water tube and a water passageway formed between the containing chamber and the reservoir. The water chamber is pivotally connected in the containing chamber, having a pushing board connected pivotally at the front side. The icing device is installed at the top of the water chamber, having plural icing bars extended into the water chamber. Then the pump sends water in the water chamber, and the icing device freezes the water around the icing bars, with water kept pumped into the water chamber till ice blocks are made, so as to obtain a clear and bright ice blocks.

The invention provides an overall cooling charging device for an electrical vehicle. The overall cooling charging device comprises a power supply side connector (100) and a vehicle side connector (200), and the power supply side connector (100) is connected with a charging cable (300) and comprises a first box (101) which comprises a magnetic coupling convex part (111), a first iron core vertical plate side cooling part (110) and a first coupling end face (112); the vehicle side connector comprises a second box (201) which comprises a magnetic coupling concave part (211), a circumferential cooling part (209), a second iron core vertical plate side cooling part (210) and a second coupling end face (212); the charging cable (300) comprises a cable core (302) and a cable cooling water channel (301) surrounding the periphery of the cable core; water entry of the cable cooling water channel (301) is communicated with that of the first iron core vertical plate side cooling part (110); the power supply side connector (100) is suitable for forming end face coupling while forming electromagnetic coupling with the vehicle side connector. The overall cooling charging device communicates the cable, the power supply side connector and the vehicle side connector into the overall cooling channel, and control over working temperature of the charging device is greatly enhanced.

The invention discloses a process for producing thin gauge pipeline steel by using a double-stand medium and heavy plate mill. A plate blank with the thickness of 180 mm is used for producing the thin gauge pipeline steel with the thickness less than 10 mm. On the basis that the performance of a rolled piece meets requirements, the thin gauge pipeline steel with a good plate shape can be obtained by controlling the tapping temperature of the plate blank, the rough rolling broadening pass pressing rate, the longitudinal rolling pass pressing rate after rough rolling broadening pass, the rough rolling finishing temperature, the thickness of a middle blank, the finish rolling ending pass pressing rate, the finish rolling finishing temperature, the roller gap inclination and sled function in the rolling process, a high pressure water descaling system, the water entry temperature, the re-reddening temperature, and the head and tail shielding and straightening process of a laminar cooling system. The deformation rate is reduced, and the economic benefit is increased.

When assembled to a building support structure to form a curtain wall system of adjoining panels, a preferred embodiment of the enhanced airloop wall system as shown in FIG. 2 comprises panel frame segments (e.g., upper frame segment) that, when assembled, form interconnected inner and outer airloop segments (e.g., inner loop segment) that separate and improve water seal and air seal functions and improve sealing performance, a circuitous path (e.g., "A") at an enlarged air opening into an airloop to pressure equalize and limit water entry into the airloop, a two point fastener support of each panel assembly to allow interfloor deflections under seismic or other loads without excessive loads on the panel assembly, a structural hook-like protrusion for resisting building outward loads on panels separate from fasteners, a splitter in a drainage cavity in the outer airloop that creates a dual drainage path and a surface upon which droplets can collect. In addition, one or more panel frames are partially composed of thermal breaks to increase the resistance to heat transfer between the building interior and the exterior environment E, and clip-on panel frame elements allow easier panel assembly installation and replacement.

The invention discloses an oxidation channel intelligent control system, which bases on the digging water change and belongs to the water pollution controlling technical field in the environmental protection. The system consists of a digging-water monitoring system, an operation decision support system, a control system and a process on-line monitoring system. According to the dynamic change of the digging water, the system timely monitors the change and collects dynamic data information into the decision support system. Through the simulation analysis of the decision support system, corresponding suitable operation conditions and control strategies are generated. The running state of the system is determined. Then, the process operation is regulated through the controlling system. And system operation parameters are monitored by on-line monitoring equipments and are fed back to the control system and the operation decision system. The feedback verification and the decision correctionare implemented on the system running strategies to guarantee the successful application of the simultaneous nitrification and denitrification of the oxidation channel process. Both the application of the advanced technology in the sewage treatment process is guaranteed and great energy saving and consumption reduction are realized. The larger treatment potentiality of water plants is exploited.

The invention relates to a preparation method for a hollow fiber composite nanofiltration membrane. The preparation method comprises the following steps: with membrane casting liquid as shell liquid, extruding the shell liquid and core liquid into an external coagulation bath from a spinning nozzle so as to obtain a hollow fiber ultrafiltration membrane, wherein the membrane casting liquid comprises, by mass, 15 to 30% of a membrane forming material, 2 to 10% of a hydrophilic polymer, 5 to 20% of a poor solvent and 40 to 78% of a solvent, a water entry gap of the spinning nozzle is 5 to 30 cm, the atmosphere of the water entry gap is air or mixed gas of air and at least one selected from the group consisting of ethanol steam, nitrogen methyl pyrrolidone steam, dimethyl acetamide steam and dimethyl sulfoxide steam, and the relative humidity of the atmosphere of the water entry gap is 30 to 80%; and preparing a separating layer on the external surface of the hollow fiber ultrafiltration membrane by using an interfacial polymerization method so as to obtain the hollow fiber composite nanofiltration membrane. The prepared hollow fiber composite nanofiltration membrane has good mechanical strength, shows good permeability at low driving pressure and is small in driving pressure and high in separation efficiency. The invention also provides the hollow fiber composite nanofiltration membrane.

An improved system for draining bunkers on golf courses and other sports playing areas, and for draining landscaped areas. A receptacle is positioned below the surface for receiving drain water and for discharging the water through an outlet. A perforated pipe water collection system can be attached to the receptacle to direct water to the receptacle interior space. A receptacle cover is removable to permit access to the receptacle interior space. The cover is sufficiently strong to support the overlying weight of people and equipment, and can have apertures for permitting water entry while resisting entry of sand and other solids into the interior space of the receptacle.

The invention relates to an on-line quenching production method of a low-cost high-strength abrasion-resistant steel plate, and belongs to the technical field of the production of abrasion-resistant steels. The on-line quenching production method comprises the following processing steps of: selecting a continuous casting blank which meets the requirements; carrying out general hot rolling, wherein the heating temperature is 1170-1200 DEG C, the start rolling temperature is 1050-1100 DEG C, the finish rolling temperature is 900-950 DEG C, and the water entry temperature is more than 880 DEG C; realizing the on-line quenching of the steel plate by utilizing a UFC+ACC cooling mode, wherein the average speed of a cooling zone is not lower than 25 DEG C / S, and the quenching is finished when the temperature is reduced to 150-250 DEG C; and heating the quenched steel plate to 250-400 DEG C, wherein the heat preserving time is 1-2 hours. The on-line quenching production method disclosed by the invention overcomes the defects of long period, high cost, and the like of the conventional hardening and tempering heat treatment production mode, realizes the short production flow, the low energy consumption and the low cost, can be used for stably producing high-strength high-toughness abrasion-resistant steel plate with the specification of 6-30 mm, the surface hardness more than or equal to HB360 and the -20 DEG C impact work mean more than or equal to 60 J and is widely applied to mine, engineering, agriculture and railway transportation machinery products which have high requirements for steel type properties.

A supercavitating water-entry projectile having empennage on the aft end which provides both aerodynamic and hydrodynamic stability and a supercavitating nose section is provided. A representative projectile is a subcaliber munition adapted for use in a 25 mm weapon using a sabot currently in use with the M919 round. The projectile has circumferential grooves around its center section to match these sabots. A key feature in the invention is the size and shape of the nose section. The projectile has a novel high strength extended blunt nose section followed by a truncated conical section which angles towards the body of the projectile in the range of five degrees. During underwater trajectory, the entire projectile is contained within the cavitation bubble formed by the blunt nose tip. The projectile's aft empennage, which provides both aerodynamic and hydrodynamic stability, fits within the bore of the weapon.

A new extension cord and its manufacturing method. The new extension cord has a plurality of sockets at intervals along its longitude direction so as to reduce the whole length of extension cord and increase the number of the sockets. The jacks of sockets are protected by caps to avoid occurrence of electricity shock and water entry into the sockets. The manufacturing method comprises steps of forming a plug, forming a plurality of sockets, forming electrical cords, disposed the sockets at intervals along a longitude direction of the electrical cord. The steps of forming each of the electrical cords comprise forming at least two electrical wires, forming an insulated wrap to enclose the conducting wires, welding the plug and the sockets to form an integral piece by ultrasonic wave.

The invention provides a composite load reduction device for high-speed water entry of an aircraft body. The composite load reduction device comprises a fairing detachably connected to the head of a main projectile body, a cavitator and a damping device, wherein the cavitator and the damping device are arranged in the fairing; the damping device is arranged in the fairing and located between the cavitator and the main projectile body; and the damping device comprises a sealing pressure cylinder, a piston, a mounting seat, a piston rod, a tension spring, an air cavity and buffer air. The composite load reduction device is a buffer vibration reduction device which utilizes the pneumatic damping device and buffer foam for load reduction at the same time. Meanwhile, the pneumatic damping device and the buffer foam are utilized for buffering, and the composite load reduction device has higher load reduction performance.

A water improvement / purification container has:a) an elongated housing;b) a water entry;c) two water exit ports adjacent one distal end of the housing;d) the water port providing supply water first to a macrofilter within the housing;e) the intermediate water source exiting the macrofilter flowing into a reverse osmosis membrane;f) the intermediate water being separated into two streams,g) the first stream being vented through the second of the two water exit ports; andh) the second stream being vented out of the housing as waste water through the first of the two water exit ports.

The invention provides a tea making device which comprises a container and a cover arranged on the upper part of the container, wherein, a power source and a temperature control component are arranged on the lower part of the container; the container is internally equipped with a heating component and a brewing component which are arranged up and down; a water outlet pipe of the tea-making component extends into a heating cavity of the heating component, and the container, the heating component and the brewing component jointly form a circulating waterway; and the brewing component is arranged on the upper part of the container and is movably connected with the container. In the invention, the heating component and the brewing component are added to the container, and an upper water entrycover and a lower water entry cover of the brewing component jointly form a simple one-way valve so that water can enter the container only through a water inlet hole on the upper water entry cover and then flows into the heating cavity of the heating component; and after the water in the heating cavity is boiled, the water is pressed out through the water outlet pipe under the action of the generated air pressure and then is sprayed onto tea on a filter tray for making tea, and then the brewed tea returns to the container via a filter hole of the filter tray.

The invention discloses an active wave compensation control system and method based on wave trend judgment. The system comprises a sensor network, a hydraulic drive system and a wave compensation controller, wherein the wave compensation controller comprises a PLC; an MRU of the sensor network is utilized by the system to measure ship moving parameters; the MRU and the acoustic wave meter are coupled to obtain the wave motion parameters; a rotary encoder is utilized to measure the motor rotation speed and obtain load motion parameters; the PLC analyzes the motion parameters so as to obtain motion situations of ships, load and waves relatively to the static seal level, namely, a reference system by taking the static sea level as motion parameters is used for solving the issue of mutual coupling of the ships, load and waves; water entry (or water exit) opportunity is selected for analyzing the wave parameters and judging the wave trend by the PLC, and the water entry (or water exit) process is controlled by controlling the motion of the hydraulic driving system, so that the safety and the stability of the offshore hoisting operation are improved.