35results about How to "Improve efficiency ratio" patented technology

A brake controller, an elevator system and a method for performing an emergency stop are provided. The brake controller includes an input for connecting the brake controller to the DC intermediate circuit of the frequency converter driving the hoisting machine of the elevator, an output for connecting the brake controller to the electromagnet of the brake, a switch for supplying electric power from the DC intermediate circuit of the frequency converter driving the hoisting machine of the elevator via the output to the electromagnet of a brake, and also a processor with which the operation of the brake controller is controlled by producing control pulses in the control pole of the switch of the brake controller.

A wing of an ornithopter comprises an inner wing section and an outer wing section. A middle frame of the outer wing section and a pull rod connected with the middle frame are respectively threaded through a connecting part of the front section and the back section of wing ribs of the inner section and the outer wing section; when the outer wing section is pulled by the pull rod and the wing is raised, the wing rib is folded with a connecting point as the axis and when the wing swoops, the wing rib is unfolded. An angle limiter is respectively arranged on the front wing rib and the back wing rib to control the folding angle of the front wing rib and the back wing rib so as to lead the wing of the ornithopter to acquire higher rising and flying force when the wing flutters.

The invention discloses a Chinese yam medlar solid drink and a preparation method thereof. The raw materials for preparing the Chinese yam medlar solid drink include Chinese yam, medlar fruits, de-fat soybean powder, maybush, sweetener, maltodextrin, carrageenan and edible carboxymethylcellulose. The preparation method includes firstly, adding water into the medlar fruits and the maybush to boil, amalgamating extract solution, filtering and then standing, taking liquid supernatant to compress to obtain brownish red sticky extracts; secondly, grinding the Chinese yam into fine powder in a superfine manner, taking the fine powder of the Chinese yam and the de-fat soybean powder to mix with the sweetener, the maltodextrin, the carrageenan and the edible carboxymethylcellulose uniformly to obtain a mixture; thirdly, uniformly mixing the extracts obtained in the first step with the mixture obtained in the second step to obtain soft materials, making the soft materials into particles; fourthly, drying and screening the particles and packaging to obtain the Chinese yam medlar solid drink. The Chinese yam medlar solid drink is low in impurity content, high in biological value and protein efficacy ratio and safe and convenient to drink, and has effects of spleen tonifying and stomach nourishing, kidney reinforcing and seminal emission arresting, brain and intelligence benefiting and memory enhancing.

A backlight inverter is provided which includes at least one inverter transformer and to which a plurality of cold cathode fluorescent lamps are connected, wherein a plurality of primary windings of the inverter transformer are connected to each other either in series or in parallel, a resonance circuit including a leakage inductance and a capacitance component is formed at the secondary side of the inverter transformer, and wherein the inverter transformer is driven at an operating frequency which is included in a frequency range between a parallel resonance frequency and a series resonance frequency of the resonance circuit and which excludes a frequency range between a first inflection point and a second inflection point of a gain characteristic curve of the inverter transformer.

A drive device of an elevator includes a DC bus, a motor bridge connected to the DC bus for the electricity supply of the elevator motor, which motor bridge includes high-side and low-side switches for supplying electric power from the DC bus to the elevator motor when driving with the elevator motor, and also from the elevator motor to the DC bus when braking with the elevator motor, a control circuit of the motor bridge, with which control circuit the operation of the motor bridge is controlled by producing control pulses in the control poles of the high-side and low-side switches of the motor bridge, a brake controller, which comprises a switch for supplying electric power to the control coil of an electromagnetic brake, a brake control circuit, with which the operation of the brake controller is controlled by producing control pulses in the control pole of the switch of the brake controller, an input circuit for the safety signal to be disconnected / connected from outside the drive device, drive prevention logic, which is connected to the input circuit and is configured to prevent the passage of control pulses to the control poles of the high-side and / or low-side switches of the motor bridge when the safety signal is disconnected, and also brake drop-out logic, which is connected to the input circuit and is configured to prevent passage of the control pulses to the control pole of the switch of the brake controller when the safety signal is disconnected.

A safety arrangement of an elevator, which includes sensors configured to indicate functions that are critical from the viewpoint of the safety of the elevator, and also a safety circuit, with which the data formed by the sensors indicating the safety of the elevator is read. The safety arrangement includes a drive device for driving the hoisting machine of the elevator. The drive device includes a DC bus, and also a motor bridge connected to the DC bus for the electricity supply of the elevator motor. The motor bridge includes high-side and low-side switches for supplying electric power from the DC bus to the elevator motor when driving with the elevator motor, and also from the elevator motor to the DC bus when braking with the elevator motor. The drive device also includes a control circuit of the motor bridge, with which control circuit the operation of the motor bridge is controlled by producing control pulses in the control poles of the high-side and low-side switches of the motor bridge, an input circuit for a safety signal, which safety signal can be disconnected / connected from outside the drive device, and also drive prevention logic, which is connected to the input circuit and is configured to prevent the passage of control pulses to the control poles of the high-side and / or low-side switches of the motor bridge when the safety signal is disconnected. The signal conductor of the safety signal is wired from the safety signal to the drive device, and the safety circuit comprises means for disconnecting / connecting the safety signal. The safety circuit is arranged to bring the elevator into a state preventing a run by disconnecting the safety signal, and the safety circuit is arranged to remove the state preventing a run by connecting the safety signal.

The invention discloses fruit and vegetable rice noodles for nourishing the stomach. The fruit and vegetable rice noodles comprise the following raw materials of germ-remained rice, millet, red yeast rice, pumpkin powder, goat milk powder, protein powder, a plant extract, pectin, walnuts, apricot kernels, endothelium corneum gigeriae galli, Chinese cabbages, cranberries, figs, purple perilla, chrysanthemum coronarium, radix codonopsis, black dates, white funguses, coix seeds, rhizoma polygonati, dendrobium officinale, dandelions, dried orange peel, gordon euryale seeds, dried lily bulbs, sweet osmanthus fruits and leaves or roots of tragopogon pratensis. A making technology of the fruit and vegetable rice noodles comprises the following steps of performing soaking; mashing fruits and vegetables to obtain composite fruit and vegetable juice; preparing medicinal liquid; performing grinding to obtain powder; performing pulping; performing ageing and shaping; and performing cutting to obtain strips, performing drying, and performing packaging to obtain the fruit and vegetable rice noodles for nourishing the stomach. The fruit and vegetable rice noodles for nourishing the stomach disclosed by the invention are reasonable in matching of the raw materials in formula, and are rich in various nutrient components necessary for human bodies; and besides, green fruits and vegetables, Chinese herbal medicine components and the plant extract for nourishing the stomach are added, so that the fruit and vegetable rice noodles are rich in nutrition and moderate in mouth feel, have the efficacy of strengthening and consolidating body resistance and nourishing the stomach after being eaten for a long term, and are suitable for general crowds and people having weak spleens and stomachs to eat.

The invention discloses a stirring type preparation process of active probiotic flavored fermented milk. The active probiotic flavored fermented milk is prepared from raw milk, white granulated sugar, whey protein powder, isomalto-oligosaccharide, a compound stabilizer, anhydrous cream, sucralose and strains; the strains comprise streptococcus thermophilus, lactobacillus bulgaricus, lactobacillus plantarum and lactobacillus rhamnosus; the preparation process comprises the following steps: checking the raw milk, purifying the milk, standardizing and temporarily storing; adding all the materials and blending; pre-heating and carrying out high-temperature homogenization; raising the temperature and sterilizing; cooling and inoculating; after fermenting, putting the milk into a jar, cooling and temporarily storing; stirring, filling and packaging in sequence; finally, putting into a freezer and freezing to carry out after-ripening. According to the flavored fermented milk disclosed by the invention, types and quantities of the strains are enriched through four types of lactic acid bacteria, and intestinal harmful bacteria are effectively inhibited; one part of sucrose is replaced with the isomalto-oligosaccharide, so that the calories of the fermented milk are reduced and the content of active probiotics in the final finished-product fermented milk is extremely great; intestinal probiotics can easily become a dominant population.

The invention discloses jack fruit seed whole flour cookies and a preparing method thereof. The jack fruit seed whole flour cookies are prepared from, by weight, 110-130 parts of low-gluten flour, 50-80 parts of powdered sugar, 40-60 parts of eggs, 60-100 parts of jack fruit seeds and 60-80 parts of butter. According to the technical scheme, the jack fruit seed whole flour is utilized to produce the cookies, the jack fruit seed starch is low in water retention rate, the quality of the cookies is improved, and the additive amount of the butter is effectively reduced; the nutrients of the jack fruit seed whole flour are made full use of, the jack fruit seed whole flour is high in lysine content, the lack of lysine in grains is made up, the efficiency ratio of protein can be increased, and the protein contained in the jack fruit seed whole flour does not form a gluten network; the jack fruit seed flour is high in content of resistant starch, can effectively lower the glycemic index of the cookies, and has a very good health-care function; the jack fruit seed whole flour cookies are pure in scent, not sticky and loose in mouthfeel, can be produced in large scale, and can be widely circulated, and nutritional utilization of the jack fruit seeds is promoted.

The fuel cell system and method in accordance with the invention is used for the generation of electrical current and heat from liquid and gaseous fuels. The system comprises a reformer and a fuel cell stack (1) having an operating temperature of about 120° C. or greater and providing exhaust heat that is utilized for the generation of steam in evaporation channels (2). The evaporation channels (2) are arranged so as to be in direct thermal contact with the stack (1) that is to be cooled. A pressure-maintaining device in fluid communication with the outlet of the evaporation channels (2) is disposed to adjust the pressure in the channels to a value that results in the desired stack (1) temperature.

The invention discloses a radial power rotor engine which has a structure that a compressed air surge chamber (2), a combustion chamber (3) and a rotor chamber (4) are formed in an engine shell (1), wherein an air compressor (13) is communicated with the combustion chamber (3) through the compressed air surge chamber (2) and a one-way valve (5), the combustion chamber (3) is connected with a fuel-injection apparatus (6) and a timing ignition device (7), and a puff port (8) of the combustion chamber (3) is communicated with the rotor chamber (4); the rotor chamber (4) is internally provided with a rotor (9) which consists of a rotor shaft (10) and rotor vanes (11), the rotor vanes (11) are homocentrically and circularly distributed on the rotor shaft (10) which is arranged on the engine shell (1), and the rotor shaft (10) is provided with the air compressor (13). The invention has the advantages of simple structure, few parts, easy manufacture, stable property and simple maintenance and can use various fuels.

The invention discloses an aircraft wing compositely driven by a shape memory alloy and a motor. The aircraft wing compositely driven by the shape memory alloy and the motor comprises a fixed wing section and a tilt wing section; the fixed wing section is fixed on a wing pitching shaft; the tilt wing section is connected with the fixed wing section through a rotating joint; a skin covers the exterior of the connecting part of the fixed wing section and the tilt wing section; multiple SMA wires are arranged on one side of the rotating joint; one ends of the SMA wires are fixed on a wiring boardthrough SMA wire wiring terminals; the other ends of the SMA wires are fixed on a pulley in a wing rib at the top end of the tilt wing section; the wiring board is fixed at the tail end of the wing pitching shaft; and a transmission mechanism is connected to the wing pitching shaft. According to the aircraft wing compositely driven by the shape memory alloy and the motor, by using a shape memoryeffect of the SMA, up-and-down tilting of a tail fin is realized by using a differential driving mode; and meanwhile, by using a motor and a worm and gear system, the changing of an attack angle of the whole tail fin is realized; a driving structure has the advantages of small volume, light weight, large efficiency ratio and high transmission efficiency; and meanwhile, the weight of a driving mechanism is reduced.

The invention relates to an earth-retaining wall structure with steel tube reinforcing ribs and a construction method for the earth-retaining wall structure. The earth-retaining wall structure comprises a brick earth-retaining wall, vertical steel tube reinforcing ribs, transverse steel tube reinforcing ribs, earth nails and backfilled earth, wherein the brick earth-retaining wall is arranged in the side edge of a foundation pit; the vertical steel tube reinforcing ribs are vertically arranged in the brick earth-retaining wall, are close to the inner side surface of the brick earth-retaining wall, are arranged in a spacing manner in a direction of the brick earth-retaining wall, are fixedly connected to the ground, and are internally poured with mortar; the transverse steel tube reinforcing ribs are connected to the vertical steel tube reinforcing ribs; the transverse steel tube reinforcing ribs and the vertical steel tube reinforcing ribs form a vertically-transversely crossed net-shaped structure; the earth nails are arranged in the spacing manner along the height of the vertical steel tube reinforcing ribs; the earth nails pass through the outer side surface of the brick earth-retaining wall and are embedded into rock-soil around the foundation pit; and the gap between the brick earth-retaining wall and the inner wall of the foundation pit is filled with the backfilled earth. The earth-retaining wall structure has relatively high economical efficiency, relatively high reliability and a relatively high efficiency ratio, is simple in structure, and the construction period is shortened.

The invention discloses a method for constructing tissue engineering artificial liver-like tissue. The method comprises the steps as follows: three-dimensional culture of a hepatocyte suspension is performed to form cell clustered-balls; the plurality of the cell clustered-balls are assembled around a central reserved hole to form a clustered-ball microarray; a plurality of the clustered-ball microarrays are closely arranged, packaged and fixed to form artificial liver-like tissue. The method for constructing tissue engineering artificial liver-like tissue is convenient to operate and favourable to large-scale production; and the obtained artificial liver-like tissue is relatively high in bionic degree and has a clinical application prospect.

The invention discloses protein powder for children and teenagers and a preparation method of the protein powder. The protein powder comprises the following components in parts by weight: 25-35 partsof soy protein isolate powder, 15-25 parts of soyabean protein powder, 4-6 parts of whey protein powder, 1.2-1.8 parts of walnut powder, 1.5-1.7 parts of calcium carbonate, 0.8-1.2 parts of calcium citrate malate, 0.05-0.07 part of iron lactate, 0.08-0.10 part of zinc gluconate, 0.001-0.002 part of vitamin A, 30.06-30.08 parts of vitamin D, 32-34 parts of white granulated sugar, 0.10-0.12 part oftaurine, 1.1-1.2 parts of fruit juice powder, 1.1-1.2 parts of citric acid and 5-7 parts of vegetable fat powder. According to the protein powder disclosed by the invention, various substances which are beneficial to bodies of the children and the teenagers can be taken in, and the protein powder is easy to absorb and capable of promoting skeleton growth; and the preparation method is simple to operate and short in cycle and is uniformly mixed.

The invention discloses potato cakes and a making method thereof. The potato cake comprises potato whole powder, high-gluten flour, eggs, table salt, stevioside, baking powder, nonfat dry milk, tartarpowder, vegetable oil, an emulsifying agent, a natural antioxidant and water. According to the potato cake disclosed by the invention, the potato whole powder, the stevioside, the natural antioxidantand the like are used as raw materials, the nutrition collocation is reasonable, besides, the calorific value of the cake can be reduced, and the eating safety is higher. In addition, through reasonable compatibility of the raw materials, the potato cakes provided by the invention have excellent thickening property, water absorption property and water retention property, and has the characteristics of being capable of providing special mouth feel and fragrance, the fresh keeping period of the cake can be prolonged to a certain extent, the efficacy ratio of protein is increased, the content ofdietary fibers, the content of minerals and the content of vitamins can be increased, and the potato cake is excellent in color and flavor, comprehensive in nutrients, fine and smooth in texture andsoft and lubricated in mouth feel.

The invention provides a composition milk powder in the middle and late pregnancy. The preparation raw materials comprise the following components in percentage by mass: component A: 30-40% of skimmed milk powder, 10-20% of desalted whey powder, 10-20% of plant fat powder, 10-20% of glucose syrup dry powder, 5-15% of whey protein powder, 2-10% of fructose, 1-9% of medium chain triglyceride, 1-5% of fructooligosaccharide, 1-3% of docosahexaenoic acid powder, 0.1-1% of casein hydrolysate peptide, 0.1-1% of yeast beta-glucan and 2-5% of a nutrition enhancer; component B: ice crystal, wherein the particle size of the component B is less than or equal to the average particle size of the component A; and the mass ratio of the component B to the component A is 0.5-1: 1.5. The composition milk powder can provide sufficient energy and high-quality protein for pregnant women and fetuses on the whole, and enhance the resistance of pregnant women to help babies to build acquired immunity; the composition milk powder can reduce the pressure of pregnant women to relieve the emotions of pregnant women; the composition milk powder does not contain sucrose, so that the risk of gestational diabetes mellitus is reduced; and the prepared block milk powder not only has good solubility, but also is not easy to break and is convenient to carry.

A rotor structure for a centrifugal flow machine includes working vanes attached to the hub of the rotor without any support disc or shroud. Additionally, the vane has a device for efficiently flushing the sealing chamber behind the rotor.

The invention discloses a pole iron drive device, which comprises a first component and a second component, wherein the first component comprises pole iron and coils; each pole iron is separate or combined; one end of each pole iron is wound with the corresponding coil; the second component comprises a main shaft and permanent magnets; the permanent magnet are arranged at the outer side of the main shaft; each pole iron is arranged at the outer side of the corresponding permanent magnet; and when pulse currents are applied to the coils in the first component, generated magnetons release beam-excited magnetic fields through the separate pole iron or the combined pole iron, act on the permanent magnets and generate acting force to drive the second component to rotate. When same-direction currents are introduced into the coils, formed homoplar magnetic fields and the permanent magnets arranged at an N pole and an S pole simultaneously generate pick-up acting force and repellant acting force in one direction at different positions, so that the permanent magnets drive the main shaft to move.

The invention specifically relates to gastrodia elata milk powder improving sleeping and a preparation method thereof. The gastrodia elata milk powder improving sleeping comprises the raw materials in parts by weight: 9-11 parts of whole milk powder, 14-18 parts of desalted whey powder, 0.4-1 part of whey protein powder, 12-14 parts of anhydrous milk oil, 5-7 parts of saccharose powder, 2-5 parts of gastrodia elata powder, 0.6-0.8 part of soya bean lecithin and 3-11 parts of maltodextrin. The prepration method of the gastrodia elata milk powder improving sleeping comprises the following steps: (1) pre-treating raw and auxiliary materials; and (2) uniformly mixing the raw materials in the step (1) in a formula ratio to obtain the gastrodia elata milk powder improving sleeping.

The invention provides purple composite instant powder. The purple composite instant powder is prepared from the following components in parts by mass: 10-15 parts of blueberry fruit powder, 10-15 parts of waxberry fruit powder, 20-25 parts of purple sweet potato powder, 20-25 parts of purple corn powder, 5-10 parts of purple lily powder and 15-35 parts of auxiliaries. The invention further provides a preparation method for the purple composite instant powder. The purple composite instant powder has the advantages of being rich in nutrient, simple to prepare, and the like.

The invention discloses a unified and opposite engine, comprising No. 1 to No.4 cylinders (1,2,3,4), a piston rod (5), a left stroke output shaft and a right stroke output shaft (7,8) and a power output shaft (9); the engine is provided with four cylinders (1,2,3,4), the piston of the cylinder is connected with one piston rod (5) which is distributed with stroke racks (6), the left stroke output shaft arranged at the left (7) is meshed with the stroke racks (6) by a homodromous contrarotation gear (12), the right stroke output shaft (8) at the right is meshed with the stroke racks (6) by a homodromous corotation gear (13), the power output shaft (9) is connected with the left stroke output shaft and the right stroke output shaft (7,8) by a transition gear (10) and a transmission belt (11). In the invention, the piston rod of the two cylinders perform linear relative movement, the engine has fast speed, low mechanical consumption, and high power ratio, can save fuel oil and can be made into a small volume engine, for which the vibration and noise are reduced.

The invention discloses a pulping and papermaking assistant which consists of the following components (based on dose of every ton of dry raw materials): 10-110 kg of strong-basicity substances, 50-500 kg of peroxides and solid polyatomic acid, dose of which is 0.1%-1.5% that of the peroxides, wherein the strong-basicity substances are sodium hydroxide or potassium hydroxide or calcium hydroxide or magnesium hydroxide or a mixture thereof; and the peroxides are hydrogen peroxide or sodium peroxide or potassium peroxide or a mixture thereof. The pulping and papermaking assistant has the beneficial effects that: the papermaking assistant is adopted to realize the purpose of increasing pulping speed by pre-soaking and realize a pulping process under a normal-temperature normal-pressure state, facilitates dissociation of fibers to facilitate pulping, reduces a efficiency ratio and reduces environmental influences, on process water, of dissolution substances to facilitate increasing the yield; and meanwhile, pollution on environment is reduced, using efficiency of raw materials is improved and energy consumption is reduced.

The invention discloses jack fruit seed whole flour cookies and a preparing method thereof. The jack fruit seed whole flour cookies are prepared from, by weight, 110-130 parts of low-gluten flour, 50-80 parts of powdered sugar, 40-60 parts of eggs, 60-100 parts of jack fruit seeds and 60-80 parts of butter. According to the technical scheme, the jack fruit seed whole flour is utilized to produce the cookies, the jack fruit seed starch is low in water retention rate, the quality of the cookies is improved, and the additive amount of the butter is effectively reduced; the nutrients of the jack fruit seed whole flour are made full use of, the jack fruit seed whole flour is high in lysine content, the lack of lysine in grains is made up, the efficiency ratio of protein can be increased, and the protein contained in the jack fruit seed whole flour does not form a gluten network; the jack fruit seed flour is high in content of resistant starch, can effectively lower the glycemic index of the cookies, and has a very good health-care function; the jack fruit seed whole flour cookies are pure in scent, not sticky and loose in mouthfeel, can be produced in large scale, and can be widely circulated, and nutritional utilization of the jack fruit seeds is promoted.

The fuel cell system in accordance with the invention is used for the generation of current and heat from liquid and gaseous fuels. Said system comprises a reformer and a fuel cell stack having an operating temperature above 120° C. and providing exhaust heat that is utilized for the generation of steam in the evaporation channels (2). The evaporation channels (2) are arranged so as to be in direct thermal contact with the stack (1) that is to be cooled. A pressure-maintaining device at the outlet of the evaporation channels (2) is disposed to adjust the pressure in said channels to a value that results in the desired stack temperature.

The invention relates to the field of gate pumps, and particularly discloses a gate pump with a water-lubricated bearing. The gate pump comprises a body, the water-lubricated bearing is arranged in the body, the water-lubricated bearing comprises a bearing shell and a bearing lining, the inner surface of the bearing lining is provided with a water chute, an inner hole of the bearing lining is in clearance fit connection with a rotor shaft, a spiral groove is formed in the side wall of the rotor shaft, the groove comprises a connector connected with the exterior of the rotor shaft and a cavity formed in the rotor shaft, the connector is connected with the interior of the cavity, the side wall of the cavity extends towards the two ends of the rotor shaft, the bottom wall of the cavity is in an arc shape and protrudes towards the axis of the rotor shaft, and a baffle is arranged in the groove. A layer of lubricating water film is generated between the bearing lining and the rotor shaft under the action of high-speed shearing force of the rotor shaft, so that the cooling effect of the water-lubricated bearing is better, the friction coefficient between the water-lubricated bearing and the rotor shaft is also reduced, the power consumption of the pump is saved, and the efficiency ratio is improved.

A rotor structure for a centrifugal flow machine includes working vanes attached to the hub of the rotor without any support disc or shroud. Additionally, the vane has a device for efficiently flushing the sealing chamber behind the rotor.

The invention discloses a rotary engine. A compressed air buffer chamber (2), a combustion chamber (3) and a rotor chamber (4) are formed in a shell (1) of the engine; an air outlet of an air compressor (13) is communicated with the compressed air buffer chamber (2) which is communicated with the combustion chamber (3) through a one-way valve (5); the combustion chamber (3) is connected with a fuel injection device (6) and a correct time ignition device (7); an air injection port of the combustion chamber (3) is communicated with the rotor chamber (4); a rotor (9) is arranged in the rotor chamber (4), and consists of a rotor shaft (10) and rotor blades (11); the rotor blades (11) are concentrically distributed on the rotor shaft (10) circularly; and the rotor shaft (10) is arranged on theshell of the engine and is provided with the air compressor (13). The rotary engine has simple structure, less parts, easy manufacture, stable performance, and simple maintenance, and can use variousfuels.