31results about How to "Increase Conversion Ratio" patented technology

The invention relates to a wireless energy transmission system and method; the method uses a switch to switch a receiving circuit between an energy storage mode and a discharge mode; when the switch is closed, a load is shorted, and a secondary resonance circuit is in the energy storage mode; when the switch is disconnected, the load is connected, the secondary resonance circuit is in the discharge mode, and the stored energy is released to the load; the method can use the secondary resonance circuit to serve as the current source input of an AC-DC converter of the receiving circuit, thus improving the voltage transition ratio, improving the output voltage, and satisfying the high output voltage application requirements without needing an extra off-chip capacitor; the method can close a power amplifier at a proper time, thus saving emission energy, and improving the system transmission efficiency; the method needs no complex feedback technology or wireless communication technology, andcan return a mode switch signal from the receiving circuit to an emission circuit, thus greatly reducing the system complexity.

The invention provides an air compressing water generator which comprises a bottom plate, a first compressing device, an air inlet device, a second compressing device, a condensing device, an air cylinder device and a filtering device. The bottom plate is provided with a collecting frame, a first supporting rod, a second supporting rod, a first sway rod, a first support and a second support. The first compressing device comprises a first air cylinder, a first pushing rod, a first compressing box, a first pushing plate, a first sealing ring, a first pushing ring, a first spring, a second spring and a first fixing rack. The air inlet device comprises an air inlet pipe, a fan, a first filter screen, a first sponge block and a third support. The second compressing device comprises a second air cylinder, a second pushing rod, a second compressing box, a second pushing plate and a second sealing ring. The second pushing plate is located on a third fixing rack below the second fixing rack. The condensing device comprises a condensing box, a condensing plate, a first pipeline and a fourth support. Vapor in air is converted into liquid water, efficiency is high, the conversion rate is large, and water resources in the air can be utilized fully.

The invention relates to a nuclear fuel pellet and a manufacturing method thereof, and a nuclear reactor. The nuclear fuel pellet at least comprises a first fuel zone and a second fuel zone which are arranged from inside to outside, wherein the thickness of the second fuel zone is much smaller than that of the first fuel zone; and the reactivity of a nuclear fuel material of the first fuel zone is higher than that of a nuclear fuel material of the second fuel zone. The nuclear fuel material with lower reactivity is arranged on the periphery of the nuclear fuel pellet with higher reactivity to perform the function of lowering initial reactivity margin, so that burnable poisons and/or boric acid in the reactor core are correspondingly reduced, thereby being beneficial to reactor core nuclear design and reactivity control; or more fissionable materials can be loaded to implement longer fuel cycle. More neutrons can be effectively absorbed, thereby enhancing the conversion ratio of the fuel. Besides, the nuclear fuel material with lower reactivity is arranged at the innermost ring of the nuclear fuel pellet to have the function of reducing fissible material residues, thereby enhancing the utilization ratio of nuclear fuels.

In order to exert a suitable restoring force in a device (10) for guiding at least one line of a joint arm robot (1), a restoring mechanism (40) is designed to exert an elastic restoring force. The restoring mechanism comprises a guiding unit (42, 20) and a slider element (28) movably mounted on the guiding unit. An elastic restoring unit is arranged between the slider element (28) and the guiding unit (42, 20), said restoring unit having at least one deflecting element, which is preferably designed as a deflecting roller (44, 60), and a flexible strand-like connecting element (46, 66).

The invention discloses a liquid metal cooling reactor based on increase of a fuel utilization rate and a management method. A low-temperature intensive moderating component is arranged at the periphery of a reactor core of the reactor; a high-temperature intensive moderating component is arranged at a secondary periphery; and high-power control rod components and high-power intensive moderating components are alternatively arranged in an inner area of the reactor core. According to characteristics of inherent neutronic properties, power and burnup distribution of a liquid metal cooling fast reactor, components of different functions and purposes are constructed, namely a lower-power fuel component which is used at the outermost periphery of the reactor core and used for reducing neutron leakage, and a high-power fuel component and a control rod component which are used inside the reactor core, a unique liquid metal cooling fast reactor core loading scheme is formed, the average unloading burnup and the nuclear fuel conversion rate of the liquid metal cooling fast reactor are remarkably increased, and the engineering realizability of a closed uranium-plutonium fuel cycle system ofthe liquid metal cooling fast reactor is improved.

The invention provides a manufacturing method of a titanium-alloy golf club head. Problems of low transforming proportion between casting materials and casting objects and low yield rate of casting objects in the former casting methods are solved. The manufacturing method includes steps that a shell mold is positioned on a rotation platform and comprises a crucible part and a mold cavity part, wherein the crucible part is communicated with the mold cavity part; the rotation platform is connected to a rotation shaft; solid titanium-alloy casting materials are placed on the crucible part of the shell mold and are heated and fused into liquid titanium alloy in 35-45 seconds in a vacuum environment; the rotation shaft is driven to drive the rotation platform to rotate; the rotation speed of the rotation shaft is 500-800 rpm; the rotation speed of the rotation shaft is accelerated from 0-0.5s to 800-1400 rpm/sec, so the liquid titanium alloy is allowed to flow into the mold cavity part of the shell mold; the rotation speed of the rotation shaft is reduced until the rotation shaft stops, and then a casted shell mold is taken down; the shell mold is damaged, so a casting object comprising a casting piece part is obtained; and the casting piece part is separated from the casting object, so at least one titanium-alloy golf club head is obtained.

The invention discloses a multi-type core block mixed loading metal cooling reactor and a management method. Moderation type assemblies are arranged on the periphery of a reactor core of the reactor;proliferation type fuel assemblies are arranged on the sub-periphery of the reactor core of the reactor; power type fuel assemblies are arranged in the inner region of the reactor core of the reactor;each moderation type assembly consists of a plurality of moderation type elements; each moderation type element comprises a cladding shell; zirconium hydride metal blocks are arranged in the claddingshell; each proliferation type fuel assembly consists of a plurality of proliferation type fuel elements; each proliferation type fuel element comprises a cladding shell; beryllium oxide ceramic coreblocks are arranged at two ends in the cladding shell; natural uranium dioxide fuel core blocks are arranged in the middle of the cladding shell; and each power type fuel assembly consists of a plurality of power type fuel elements; each power type fuel element comprises a cladding shell; beryllium oxide ceramic core blocks are arranged at two ends in the cladding shell; and plutonium-uranium mixed oxide fuel core blocks are arranged in the middle of the cladding shell. The multi-type core block mixed loading metal cooling reactor and the management method provided by the invention solve theproblems of great fuel loading capacity, low utilization rate and the like of the existing metal cooling reactor.

The invention discloses a production process of a thin-gauge 700MPa-grade ultra-high strength hot rolled black leather steel strip. The production process includes processes of rough rolling, finish rolling, cooling and coiling; in the process of finish rolling, the finish rolling entry temperature is 1030-1100 DEG C, and the finishing rolling temperature is 830-880 DEG C; in the cooling process,the steel strip is rapidly cooled to 750-790 DEG C through laminar flow cooling, cooled by intermediate air cooling, and then rapidly cooled to coiling temperature through the laminar flow cooling; and in the coiling process, the coiling temperature is 600-650 DEG C. The elongation of the hot rolled black leather steel strip obtained by the production process is not less than 22%; the product of strength and elongation is not less than 16 GMPa%; the steel strip has better cold forming performance and is suitable for producing cold roll forming hollow steel sections such as passenger car skeletons, truck side beams, and through beams; mechanical properties and coating surface quality requirements are met under the condition of omitting the processes of pickling chemical rust removal and mechanical rust removal; and the hot rolled black leather steel strip obtained by the production process is used to replace the Q345B, and can reduce the thickness of required steel plates, the weight ofa whole vehicle and the fuel consumption of the vehicle while the strength of a vehicle body is increased.

The invention discloses sorghum medium pig feed and a preparation method thereof. The sorghum medium pig feed comprises corn, 46% bean pulp, corn DDGS, rice bran, sorghum, a premixing compound and a liquid enzymic preparation. The sorghum medium pig feed and the preparation method thereof have the advantages that the American sorghum low in tannin content is used for replacing the corn at a high price, an appropriate quantity of the liquid enzymic preparation containing phytase is added, in this way, the digestion and absorption capacity of pigs for all nutrients is remarkably improved, the digestive utilization ratio of the sorghum is improved, and therefore the consumption of the corn and the bean pulp in the formula is reduced; by adding some traditional Chinese additives, the sorghum medium pig feed has the auxiliary functions of harmonizing the stomach for descending adverse qi, warming the spleen and reinforcing the kidneys, in this way, the appetite and the absorbing performance of the pigs are improved, and the material-pork conversion ratio is higher; the feed utilization efficiency is improved, the pigs are promoted to grow, the feed cost is reduced, and the economic benefits are increased.

The invention discloses a terrestrial heat season-crossing heat storage and supply method and system through a heat supply network. A terrestrial heat storage unit is arranged through an existing heat-supply pipe network and the space, nearby a user building, in a heat supply plant, on the non-heat-supply season, an urban heating network system is used for enabling redundant low-cost waste heat tobe stored underground, on the heat supply season, a heat pump system is used for extracting the heat stored underground to be changed into a product, profits are achieved, meanwhile, the consumptionof fossil fuel in winter can be reduced, and the urban heat supply network burdens and atmospheric pollutions are relieved; the problem of season heat supply need imbalance is solved, and the method and system can be suitable for large-area popularization of the residential area and the public open space; the method and system are supplemented with the concentrated heat supply, the system reliability is improved, the large network load can be reduced, the heat supply load high-peak use is considered, and the design of redundancy of the heat supply system can be reduced.

The invention discloses laser annealing equipment and a laser annealing method and belongs to the technical field of display. The laser annealing equipment comprises a linear laser and a light cutter arranged in a light outlet direction of the linear laser, wherein the light cutter comprises a plate-shaped body; the plate-shaped body is provided with a hollow area limited by at least two edges; two edges of the hollow area are gradually close to each other along a default direction; and the length direction of a linear light spot of the linear laser on a default irradiation surface is not parallel to the default direction. When the light cutter and the linear laser relatively move along the default direction, the length of the light spot of the linear laser can be adjusted; and when an amorphous silicon layer is irradiated, the whole amorphous silicon layer can be transformed into a polysilicon layer through adjusting the length of the light spot, so that the problem that the transformation ratio of the polysilicon layer is affected due to the fact that one part of amorphous silicon layer is not transformed into the polysilicon layer in related technologies is solved, thereby achieving the effect of improving the transformation ratio of the polysilicon layer.

An electromechanical brake pressure generator for a hydraulic braking system of a vehicle. The brake pressure generator has a spindle drive unit for converting an input-drive-side rotational motion into a translational motion for piston actuation of a hydraulic piston/cylinder unit. A multi-stage gear linkage is disposed between the spindle drive unit and an electric drive motor. The gear linkage encompasses a planetary gearset unit driven by a motor pinion constituting a sun gear, the output-drive-side ring gear of which unit drives the spindle drive unit. A motor shaft of the electric drive motor extends in adjacently parallel fashion next to a spindle drive shaft of the spindle drive unit.

The invention relates to a single-stage type high-conversion-ratio Buck-Boost inverter. The single-stage type high-conversion-ratio Buck-Boost inverter comprises a full bridge circuit consisting of four switching tubes (M1-M4), a coupling inductor Lcp having four windings, an output filtering capacitor Co and an equivalent load Rl. The coupling inductor is designed as two pairs of symmetric windings. The primary-end winding of the coupling inductor has same windings N1=N2 and the auxiliary side of the coupling inductor has same windings N3=N4. The transformation ratio of the coupling inductor is n=N3/N1=N4/N2. Targeting a problem that most of topologies of the Buck-Boost type single-stage type inverter are limited by limited voltage transformation ratios and although few topologies can realize high transformation ratios, the quantity of devices is greatly increased, the invention provides a single-stage high-transformation ratio Buck-Boost inverter topology, which can realize a high transformation ratio under a condition that semiconductor devices are few.