616results about How to "Reduce consumption rate" patented technology

The invention relates to an air intake manifold with an integrated air track, which comprises an air throttle (1) of an air inlet of an engine, a resonant cavity (2) of the air intake manifold, a plurality of branch pipes (3) of the air intake manifold, and a connecting flange (4), wherein the air throttle (1) at the upper end of each branch pipe (3) of the air intake manifold is communicated with the resonant cavity (2) of the air intake manifold; and air outlets at the lower parts of the branch pipes (3) of the air intake manifold are respectively connected with cylinder covers through the connecting flange (4). The air intake manifold is characterized in that the air intake manifold further comprises the air track (5) and a plurality of air track connecting branch pipes (6), wherein the air track connecting branch pipes (6) are corresponding to the branch pipes (3) of the air intake manifold one to one; and the air track (5) is communicated with the lower end of each branch pipe (3) of the air intake manifold through the corresponding air track connecting branch pipe (6). When the air intake manifold is fully loaded, resonance effects achieved at low rotating speeds and trough rotating speeds can be optimized, so that the air intake quantity is increased; when the air intake manifold is partially loaded, pumping loss of the engine is decreased, the fuel consumption rate is reduced, and the requirements for buses in different working conditions can be satisfied.

The invention discloses a classical channel message authentication method for a quantum key distribution (QKD) system. The method comprises the following steps of: generating a message authentication code (MAC) value of an original message M, and interpolating the MAC value into the original message M according to a preset position to form an original data bit string; performing an appointed number of grades of error correction on the data bit string, sending the data bit string to a receiver through a classical channel, and performing a corresponding number of grades of decoding on the data by the receiver according to a preset decoding method; extracting the message M and the corresponding MAC value from the decoded data string, and calculating the MAC value of the message M extracted by decoding according to a preset calculation method; and comparing the calculated MAC with the MAC extracted by encoding by the receiver, if the MAC values are the same, determining that the extracted original message M is from a sender and is not modified, otherwise, determining that the original message M does not pass through the authentication. By the method, a necessary cryptology scheme is supplied to the QKD system.

The invention discloses an emergency rescue communication network and networking method based on unmanned aerial vehicles and wireless equipment, belonging to the technical field of disaster relief and emergency communication. The scheme of the invention mainly relates to the unmanned aerial vehicles, the wireless equipment, a GPS positioning device and a remote base station in hardware, the unmanned aerial vehicles form an aerial wireless network, the wireless equipment forms a ground wireless network, and through the communication established between the ground wireless network and the unmanned aerial vehicle network, a temporary communication network can be provided for areas with disasters, or two networks that are isolated by non-human reasons can be connected. The scheme of the invention firstly designs the distribution of the ground wireless network and selects the number of the wireless equipment and the unmanned aerial vehicles reasonably based on the disaster scope, the landform of disaster areas, the population quantity and density of the disaster areas and other situations. Compared with the prior art, by adopting the scheme of the invention, the network coverage area can be expanded, the stability of the networks can be enhanced, the security of the system can be improved, the working time of the unmanned aerial vehicles can be prolonged, and the energy consumptionspeed can be slowed down.

The invention provides a multi-target and multi-constraint optimal scheduling method of a fuel-steam combined cycle generator set, comprising the following steps of: 1, establishing a multi-target load distribution optimization problem mathematical model of a set at a certain period; 2, designing a load optimization target function of a multi-constraint set at the period; and 3, based on an ant colony algorithm, designing a multi-target and multi-constraint load optimal scheduling scheme of the set at the certain period. According to the multi-target and multi-constraint optimal scheduling method of the fuel-steam combined cycle generator set, which is established based on the invention, loads among all the sets of the whole factory can be reasonably distributed in real time under the precondition of ensuring safe and environment-friendly operation of the sets; and the generation coal consumption rate is reduced to the greatest extent, the win-win of effective existence of a power grid pitch peak and a power plant is realized, and the coordination with a natural gas network is realized.

The invention provides a location-based mobile communication network search method and device. The method comprises the following steps: acquiring relevant information of the current location ID of a mobile terminal; according to the relevant information of the location ID, carrying out match query in a network search rule base to determine a network search mode matched with the relevant information of the location ID; and searching mobile communication networks according to the network search mode. According to the invention, the mobile communication network search mode is adjusted on the basis of location; under the circumstance of no mobile network signal or weak mobile network signal, the mobile terminal is capable of closing the mobile network search function or searching mobile communication networks at a low frequency so as to fulfill the aim of reducing the consumption of battery capacity and reach the best balance between power saving and efficient network search at the same time, thus more effectively prolonging the battery life of the mobile terminal without affecting the normal use of the mobile terminal by a user and further improving the use experience of the user.

The invention provides a shift method of a hybrid electric vehicle. The method comprises the steps of firstly, determining that a battery is in a dischargeable state or a rechargeable state according to SOC (state of charge) of the battery, torque required by a driver and the state of the vehicle; secondly, determining a possible gear at a certain speed under the two conditions and the torque and rotational speed of an engine corresponding to each gear; and finally, determining a target gear under the condition of a minimum fuel consumption rate of the engine and determining whether to perform shift operation according to the time interval between two times of shift. The method has the advantages that in determining the state of the battery, the problem that the state of the battery is repetitively changed due to jump of the SOC is avoided by adopting the comprehensive judgment of values of the SOC (state of charge) of the battery, the torque required by the driver and the state of the vehicle; in determining the target gear, the target gear is determined from all possible gears under the condition of the minimum fuel consumption rate of the engine, and the fuel consumption at the target gear is guaranteed to be minimum; and whether to perform shift operation is determined according to the time interval between two times of shift, and thus frequent shift is avoided.

The invention relates to cylinder-deactivation control method and device of an electronic-control fuel-injection multi-cylinder internal-combustion engine. The cylinder-deactivation control method of the electronic-control fuel-injection multi-cylinder internal-combustion engine comprises the following steps of: (1) collecting a position sensor signal of a throttle of a throttle device by an ECU (Electronic-Control Unit) and calculating the size and the change rate of the position sensor signal; (2) collecting the temperature of an engine or the temperature of engine cooling liquid by the ECU; (3) measuring the rotating speed of the engine by the ECU; (4) calculating the lasting time of the latest working mode by the ECU; and (5) logically calculating a working mode of the next clock by the ECU according to the information and the preset working mode judging conditions, wherein the working modes of the next clock comprise (a) a full-cylinder working mode, (2) a partial cylinder-deactivation working mode and (3) a full oil-break mode. On the size and change rate plane of the position sensor signal, the operation state of the engine is divided into three areas by two boundary lines, i.e. a full-cylinder working area, a partial cylinder-deactivation working area and a hysteresis area. The invention can save fuel consumption of the engine under a normal working condition due to partial cylinder-deactivation work and can enhance the dynamic feeling of a vehicle while being forcefully and rapidly throttled.

The present invention provides an apparatus and a method for fractionating gypsum slurry which can surely control the density of the gypsum slurry fractionated from the mixer (fractionated slurry), which can restrict change of the flow rate of the fractionated slurry, and which can reduce the consumption of foam or foaming agent. The fractionation apparatus (30) fractionates the gypsum slurry from a mixer (4) for mixing calcined gypsum and water. The mixer has a hollow connector section (50), which allows the gypsum slurry to flow from a mixing area inside of the mixer into a chute section (5), and the chute section (5) discharging the inflow of gypsum slurry through its slurry discharge port onto a gypsum board liner paper. The fractionation apparatus has a slurry fractionation port (33) opening to the chute section or the hollow connector section, and causes a part of the gypsum slurry in the chute or hollow connector section to be delivered to a slurry delivery conduit (11,13,19).

PCT No. PCT/KR97/00275 Sec. 371 Date Aug. 20, 1998 Sec. 102(e) Date Aug. 20, 1998 PCT Filed Dec. 19, 1997 PCT Pub. No. WO98/28449 PCT Pub. Date Jul. 2, 1998A 3-stage fluidized bed type iron ore reducing apparatus having X shaped circulating tubes is disclosed for forming a gas pore fluidizing layer of a fine iron ore, and for drying/pre-heating it to reduce it, so that the gas utilization rate and the reducing rate can be improved, as well as decreasing the gas consumption rate. The present invention relates to a 3-stage fluidized bed type iron ore reducing apparatus having X shaped circulating tubes comprising: a shaft type single type first fluidized bed furnace where a raw fine iron ore is dried and pre-heated in a bubbling fluidization state; a first cyclone for collecting fine iron ore particles from a exhaust gas of said first fluidized bed type furnace; a shaft type single type second fluidizing bed furnace where the dried and pre-heated fine iron ore is pre-reduced in a bubbling fluidization state; a second cyclone for separating the fine iron ore particles from a exhaust gas from said second fluidizing bed type furnace so as to re-circulate them; a twin type third fluidized bed furnace consisting of a first reaction furnace and a second reaction furnace, for separating the pre-reduced iron ore from said second fluidized bed type furnace into coarse particles and medium/fine particles so that the coarse particles and medium/fine particles ore finally reduced in separate reactors in bubbling fluidization states; and a third cyclone for separating fine iron ore particles from the exhaust gas of said second reaction furnace of said third fluidized bed type furnace so as to re-circulate them to said first reaction furnace.

A liquid/solid separator system mounted on a mobile cart and connected to a process tank for reducing the rate at which fluids are consumed in manufacturing processes. The system may include automation and also may include a shear stepped screen including tilted wire wedge wires arranged at varying cant angles. The system may include a fine screen basket received in a settling box.

The invention relates to a submerged-arc welding flux for low-alloy-steel narrow-gap welding and a preparation method thereof. A high-alkalinity MgO-CaO-Al2O3-CaF slag system is adopted, and the submerged-arc welding flux is mainly made from raw materials including calcium fluoride, aluminum oxide, wollastonite, marbles, silicon iron and ferromanganese iron. The preparation method of the submerged-arc welding flux mainly comprises the steps of 1 dry mixing in proportion, 2 impurity removal, 3 bonding agent adding for wet mixing and 4 baking and high-temperature sintering. The alkalinity of the welding flux ranges from 2.0 to 3.0, low-hydrogen and low-oxygen deposited metal containing ultra low P and S impurity contents can be obtained through welding, and accordingly it can be ensured that the deposited metal has excellent comprehensive mechanical property. When the submerged-arc welding flux is matched and welded with a low-purity low-alloy steel welding wire, S and P are not added into the deposited metal by adopting the welding flux. The submerged-arc welding flux has excellent alloy transition capacity.

The present invention provides a graphite electrode for an electric arc furnace used for steelmaking which can effectively suppress oxidation and consumption of the graphite electrode used for an electric steelmaking furnace during the operation and reduce the electrode consumption rate. The graphite electrode is used for an electric steelmaking furnace which is operated while cooling the graphite electrode which protrudes upward from the furnace roof by spraying a cooling liquid onto the surface of the graphite electrode, wherein an uneven surface structure is formed on the surface of the graphite electrode.

This invention relates to a technology for extracting and separating pure Y oxide applying HAB as the extractant, TBP as the additive, among which, HAB is composed of HA+HB, HA is secondary hepayl phenoxy instead of acetic acid, secondary octyl phenoxy instead of acetic acid etc. HB is a salt base phosphoric acid P204, P507, Cyanax 272, Cyanex 302.

The invention relates to a safe and reliable energy-saving UAV (unmanned aerial vehicle). The safe and reliable energy-saving UAV comprises a main body, four horizontal support rods and two second driving motors, wherein the horizontal section of the main body is shaped like dual nested rectangles, the support rods are fixed at four corners of the main body, flying units are arranged above the support rods, cushioning units are arranged below the support rods, the two second driving motors are fixed on two sides of the main body respectively, and wind pressure sensing units are arranged at upper and lower ends of each second driving motor. According to the safe and reliable energy-saving UAV, the wind direction in a flying process is detected through the wind pressure sensing units, angles of a driving wind deflector and driven wind deflectors are adjusted according to the direction, so that the action force of the wind pressure on the UAV is changed, the energy consumption speed is reduced, and the cruising ability is improved; besides, four-stage cushioning processing is performed through cushioning blocks, pistons, first springs and air pipes in the cushioning units, accordingly, the cushioning capability of the UAV is improved substantially, and smooth and safe landing of the UAV is guaranteed.

The engine (1) has a cylinder block coolant jacket operated in a turbine housing (13) in a turbocharger (12) during a subphase of a heating phase of the engine according to nitrogen oxide flow strategy. A cooling circuit (4) is separated from the cylinder block coolant jacket and connected with a common pump (7) that is joined to the cylinder block coolant jacket. A bypass (11) is provided downstream to the pump and upstream to a cylinder block coolant inlet (9). The housing is made of light material i.e. aluminum, where the housing or the turbocharger is provided with the cooling circuit. An independent claim is also included for a method for controlling coolant during a heating phase of an internal combustion engine.

The invention aims at providing a multi-mode large and small turbocharger diesel engine sequential supercharging structure which comprises a small supercharger and a large supercharger, wherein a turbine of the small supercharger is communicated with an exhaust port of a diesel engine through an A row exhaust pipe, a turbine of the large supercharger is communicated with the exhaust port of the diesel engine through a B row exhaust pipe, a gas compressor of the small supercharger is communicated with an intercooler through an A row inlet pipe, a gas compressor of the large supercharger is communicated with the intercooler through a B row inlet pipe, the A row exhaust pipe and the B row exhaust pipe are communicated through an exhaust communication pipe, a first gas valve is arranged between the joint of the exhaust communication pipe and the A row exhaust pipe and the turbine of the small supercharger, a second gas valve is arranged between the joint of the exhaust communication pipe and the B row exhaust pipe and the turbine of the large supercharger, a first air valve is arranged on the A row inlet pipe, and a second air valve is arranged on the B row inlet pipe. The multi-mode large and small turbocharger diesel engine sequential supercharging structure enables the diesel engine to be switched into a non-supercharging mode at idle speed, and improves air inlet efficiency at the idle speed.

A squama type cold galvanizing aluminum coating used on the surface of steel structure and containing VCI (Vapor corrosion inhibitor). Besides, the invention also provides a VCI squama type cold galvanizing aluminum complex coating system on the surface of steel structure and prepared from the coating.