34results about How to "Eliminate waves" patented technology

The present invention relates to a magnet-shunted system for shielding a target from magnetic fields and waves. More particularly, the present invention relates to a magnet system including a path member and a magnet member having a magnet at least partially shielded by a magnetically permeable shunt member. The path member forms a path through which the extrinsic magnetic fields and waves bypass the target, the magnet member serves as a termination point for the magnetic fields or waves, and the shunt member defines another path through which primary magnetic fields generated by the magnet member are confined very close to the shunt and/or magnet members. The present invention relates to various methods of forming the termination point, eliminating the extrinsic magnetic fields or waves by the magnet, and disposing the magnet member into the path member. The present invention also relates to various processes for providing such a magnet-shunted system including the foregoing magnet and path members along with the optional shunt member.

A method and device for installing synthetic turf uses a motorized turf rollout vehicle and a frame removably carried by the vehicle, the frame holding a roll of synthetic turf on a spindle at a first, forward end thereof. The roll and spindle are held in an orientation that is transverse to the first forward direction, and have a transverse dimension that extends beyond that of the vehicle. As the vehicle moves forward in the first direction, the vehicle engages and pulls the roll of turf, and the vehicle also moves on top of the just-unrolled portion of the turf. This accurately and efficiently places the turf on and over the base, in a desired position. Because the vehicle moves on top of the just unrolled section of turf, the present invention eliminates direct contact with, and disruption to, the underlying prepared base. This method and device reduces the time and cost associated with locating a roll of synthetic turf over a base during the installation of an athletic field, compared to prior installation methods.

The present invention discloses a front water diversion propulsion ship and aims at providing a regular water diversion type ship which can eliminate wave making completely or reduce the wave making and eliminate wave making resistance and can also reduce the friction resistance and motivate the hydrodynamic propulsion to improve the comprehensive performance of the ship such as speed, stability and efficiency. The front water diversion propulsion ship is realized by a technical proposal as follows: a forward water inlet is arranged under the water line at the front part of the ship; and a backward water outlet or a thruster inlet are arranged and matched at the forward water inlet with a flow passage which runs through the forward water inlet and a stern or arranged at two lateral parts. Or a forward-backward thruster is arranged under the water line, or a watercourse is matched and arranged in the front of the water line, two lateral water outlets which are propelled by two sides of the front of the ship or propelled by a stern impeller are arranged, or the back ship body of the thruster is arranged as a streamline after run to motivate the hydrodynamic propulsion. The technology of the front water diversion propulsion ship can fit for designing and manufacturing a powered regular drainage ship and improving the existing ship and is especially fit for designing, manufacturing and improving the economical, large and jumbo ships.

The invention relates to a water-body microalgae enriching method and device, especially a wave-canceling multilayer microalgae enriching method and device, limiting water body for collecting microalgae in a algae collecting tank with baffle plates on two sides, residues blocking net at the front end and a notch at the back end, installing annular inflective, layered and flexible tape in the tank, driving by electric motor to move each layer of microalgae nearby the baffle plates for enriching, and then pumping away the microalgae. The invention has simple device structure, high alage obtaining efficiency, and low energy consumption and is not affected by wind and wave as working in a large-scale natural water body.

This publication discloses a harbour plant (10) for storage, loading and unloading of hydrocarbon products at sea, comprising a number of units (9) being mutually placed on the seabed so that a harbour plant is formed. The units (9) are placed independently at a given distance apart in sideways direction and having a front surface along which a vessel is intended to be moored, forming passage(s) for parts of the waves, and being configured to dampen a part of the incoming waves while allowing other parts of the waves and current to pass through the harbour plant. The sideways distances between two neighbouring units (9) is governed by the frequency of the waves to be dampened and the frequencies of the waves allowed to pass in between the units (9). The front surface of one of the units (9) is offset with a distance relative to the front surfaces of two neighbouring in a traverse direction away from said incoming waves, and/or that the units are configured in such way that the width of the passage between two neighbouring units increases or decreases in direction of the wave motion.

The invention relates to a three-stage protective screen ecological wall, and relates to the field of ecological environment engineering. The invention mainly adopts a technical scheme that the three-stage protective screen ecological wall comprises a first protective screen, a second protective screen, a third protective screen and a biomimetic wall body, wherein the bottom of the first protective screen is inserted into submarine mud, and the distance from the top of the first protective screen to the perennial low water level of shallow-water rivers and lakes is 10-20cm; the second protective screen comprises potamogeton crispus and water chestnuts; the bottom of the third protective screen is inserted into submarine mud, the top of the third protective screen is 30-50cm lower than the top of the first protective screen, a predetermined distance is reserved between the third protective screen and the first protective screen, and the second protective screen is arranged between the first protective screen and the third protective screen; the biomimetic wall body comprises a plurality of artificial water plants and a plurality of floating beds in predefined specifications; one end of each artificial water plant is connected with the top of the third protective screen, the other end of each artificial water plant is connected with the corresponding floating bed, and a plurality of floating beds float on the water surface. The three-stage protective screen ecological wall disclosed by the invention can reduce stormy waves of rivers and lakes, and can increase the transparency of water bodies at the same time.

The invention mainly aims at providing a method for detecting the service life of a tensioned dry method uniaxial tension diaphragm. Bases are provided for the actual production process, and waves, tippets and other later changes in the diaphragm production process are reduced. A tensile testing machine is adopted. According to the method for detecting the service life of the tensioned dry method uniaxial tension diaphragm, the tensile testing machine is adopted, the bases are provided for the actual production process, and the situation that waves, tippets and other later changes are caused in the diaphragm production process due to the fact that placing time is insufficient is avoided.

The invention relates to the technical field of ships, in particular to a swimming pool system for a ship, the swimming pool system comprises a first coaming and a second coaming which are arranged on a lower deck at an interval along the extension direction of the ship; a first side plate and a second side plate which are arranged on the lower deck at an interval; a first partition plate, wherein a plurality of first through holes are formed in the first partition plate at intervals; the first partition plate and the first surrounding plate are arranged in the swimming pool cavity in a spaced mode, and the first partition plate, the first side plate and the second side plate are connected to form a first partition cavity; a water supply assembly, wherein a water inlet of the water supply assembly is located in the first partition cavity; and a drainage assembly which is communicated with the swimming pool cavity. Waves accumulated along with shaking of the main ship body in the swimming pool can be eliminated, and sailors can normally swim in the swimming pool under conventional sea conditions.

The invention discloses an iron core winding core die for a transformer with a wound stereoscopic triangular iron core. The iron core winding core die comprises a body, iron bars separable from the body are arranged on two sides of the body, and a group of windows used for binding core limbs is arranged at the joint of the inner side of the iron bars and the body. The upper and lower end faces of the body are provided with radian. Iron chips wound by the core die are compact and non-wavy, and the iron core winding core die in combined structure facilitates binding and shaping of the core limbs after annealing, and iron core quality is greatly improved.

The invention relates to a novel withdrawal and straightening machine and a working method of the withdrawal and straightening machine in the field of metallurgical equipment. A baffle assembly is further arranged above the position from a feeding port in the front side of a base and a discharging port in the rear side of the base in a matched manner. The baffle assembly is fixedly installed on amiddle main supporting frame. A front side pressing adjusting assembly and a rear side pressing adjusting assembly are arranged on the front face and the rear face of the middle main supporting framecorrespondingly. The base is further provided with a lower pressing adjusting assembly matched with the front side pressing adjusting assembly and the rear side pressing adjusting assembly. A liftinglug is further arranged on the middle main supporting frame in a matched manner. According to the withdrawal and straightening machine provided by the invention, a good plate shape can be effectivelyand quickly produced through the withdrawal and straightening machine, and meanwhile, the defects of wavy edges, wavy shapes and the like of a plate surface can be eliminated, so that the straightnessof a thin plate is greatly improved; and meanwhile, the invention further provides the working method of the withdrawal and straightening machine, by means of the method, the working efficiency can be improved, lace defects are avoided, and therefore the rejection rate is reduced, and the stretching effect is greatly improved.

The invention relates to a product closed end bending, chamfering and angle shoveling die. The product closed end bending, chamfering and angle shoveling die comprises an upper die assembly and a lower die assembly which vertically correspond to each other. A compressing mechanism, an end bending mechanism and a side beating mechanism are arranged between the upper die module and the lower die module. The compressing mechanism comprises a drive male die, a side pressing male die, a side pressing plate, a sliding plate, a first upper wedge and a first lower wedge. The end bending mechanism comprises a side bending female die, an angle bending female die, a wrap angle female die, a second upper wedge and a third upper wedge. The side beating mechanism comprises a side beating wedge and a side beating drive block. The product closed end bending, chamfering and angle shoveling die has the beneficial effects that the angle bending female die moves in the direction of 45 degrees, surplus materials flow inwards, and the phenomenon that the U-shaped circular bead end is convexly bent outwards is completely avoided; a gap stepless variable structure is arranged, after end bending is carried out, a gap between a first flush surface and a second flush surface is equal to one time of material thickness, and the wave phenomenon is avoided; and the longitudinal motion of the drive male die is converted into the lateral motion of the side pressing male die, top damage is effectively avoided, and die removing is more convenient.

A wave eliminating water area used to play a water discus, which is disclosed by the Chinese patent No. 1830507, features that it is divided into a series of small water areas, and said water discus can continuously jump and fly from one small water area to another, so eliminating water wave.

Rolling equipment comprises a rolling mill and an adjusting roller set. The rolling mill adopts a rolling scheme of working rollers with unequal diameters, so that the thinning of foil is generally facilitated, and a better plate shape is also favorably obtained; and the rolling mill adopts an asymmetric roller system, so that the number of rollers is reduced, the precision of the roller system is favorably improved, and the rollers are convenient to adjust and maintain. The adjusting roller set adopts oil blocking rollers and flattening rollers which are unequal in diameter, the flattening function and the oil blocking function are both considered, the oil blocking rollers with the smaller roller diameter are beneficial to squeezing away redundant lubricating oil, and the flattening rollers with the larger roller diameter are beneficial to reducing the original defects of the foil. According to the rolling method, the height of the flattening rollers is adjusted, the foil is wrapped on the roller surface of the working roller with the larger roller diameter to form a wrapping arc, and tension is evenly distributed on the cross section of the foil through back supporting of the working roller on the foil; and the defects are eliminated in the key forming initial stage of rolling, and the plate shape is stabilized in the later stage of rolling forming, so that high-precision rolling of the wide foil is achieved.