40results about How to "Effective power output" patented technology

The invention relates to a method for adjusting a device (1) which essentially consists of a Lambda-1 internal combustion engine (2), a fuel induction line (3), a supplemental unit (9) arranged in the induction line (3) for compressing an air-fuel mixture required for combustion, a catalytic converter (12) arranged in the exhaust gas flow, and an exhaust gas recirculation line (15) which is disposed downstream from the catalytic converter (12), leading into the fuel induction line (3) and which is used to supply cooled exhaust gas to the air-fuel mixture. The inventive method is especially characterized in that the amount of exhaust gas which is to be supplied to the air-fuel mixture per time unit is adjusted according to the combustion chamber temperature measured in the combustion chamber of the internal combustion engine (2) in conjunction with the lambda adjustment. Preferably, said combustion chamber temperature and the amount of exhaust gas to be supplied to the air-fuel mixture per unit of time are measured and adjusted continuously. Especially when the so-called problem gases are used, the useful life of this probe becomes substantially shortened and this, in its turn, leads to high maintenance costs.

Embodiments of the invention can provide systems, methods, and an apparatus for modifying the power output and efficiency of a combined cycle power plant. According to one embodiment where a combined cycle power plant includes a compressor, a gas turbine, a combustor, and a heat recovery steam generator, excess air from the compressor can be extracted and expanded to generate power. The expanded air can then be mixed with at least one combustible fuel to generate a heated combustion product. The heated combustion product can be mixed with exhaust gas from the gas turbine to increase the temperature of the exhaust gas prior to introduction to the heat recovery steam generator. This increase in temperature of the exhaust gas from the gas turbine provides additional energy for generating steam and power and improves performance of the heat recovery steam generator.

A method for operating a wind turbine which includes a rotor hub supporting a rotor blade is disclosed. The method includes: a) detecting changes in the aerodynamic performance of the rotor blade; b) determining a first control rule; c) determining a first power output information indicating a first power output based on the first control rule; d) changing an operational parameter and choosing a second control rule such that the first control rule is replaced by the second control rule; e) determining a second power output information indicating a second power output based on the second control rule. c) comparing the first and second power output information. If the second power output exceeds the first power output, repeating a)-f) with the second control rule being used as the first control rule in b); otherwise repeating a)-f), whereby a different second control rule is applied in d).

The invention relates to a lying cross-flow horizontal axis roof wind power generation device which comprises a frame. An impeller and a cross-flow horizontal axis generator are arranged on the frame, the cross-flow horizontal axis generator is coupled with the impeller, and wind collecting guide pipes are arranged at the front end and the rear end of the frame respectively and gradually extend outwards from the frame. The lying cross-flow horizontal axis roof wind power generation device can be simply mounted on various buildings such as a folk house with a pitched roof or a flat roof, a farmhouse, a factory and a warehouse, a wind gathering area is formed by the aid of the area of a wide roof and the wind collecting guide pipes, wind power generation efficiency is improved by multiplied wind speed and wind volume of wind flowing through the impeller, popularization of wind power generation can be promoted, utilization of environment-friendly energy is facilitated, and global carbon emission is decreased.

The invention discloses a permanent magnet motor and a control method and system for the same. Each phase of the permanent magnet motor comprises low-speed windings and high-speed windings, wherein the low-speed windings of different phases are equal in number of turns and the high-speed windings of different phases are equal in number of turns; and the number of turns per phase in series for thelow-speed windings is greater than that of the high-speed windings in the same phase. According to permanent magnet motor disclosed by the invention, three different drive modes can be provided to bematched with vehicle power demands of different application scenarios. Compared with the prior art, the permanent magnet motor, the control method for the motor and the control system for the motor have the advantage more efficient and energy-efficient vehicle power output can be achieved.

The invention relates to a liquid air engine. In the engine, a cam (8), an external gas joint (4), a gas movable joint (7), a one-way overrunning coupler (8), a movable electric contact (17) and a liquid gas movable joint (21) are arranged on the central shaft (18), and the central shaft (18) is fixed and not rotated; a rocker (9) and the one-way overrunning coupler (8) are in key connection to make clockwise one-way rotation; cylinder rodless end covers (in figure 4: 40) of a high-pressure cylinder group (10) and a low-pressure cylinder group (11) are fixed on the bracket fixing long screw (14), can make small swing around the bracket fixing long screw (14); the top of the cylinder piston rod is movably connected with the top of the rocker (9); the middle support plate is provided with a liquid nitrogen pump (1); and a high pressure vessel (16) and a low pressure vessel (23) are fixedly arranged on the lower bracket (15).

The invention provides a nuclear power engine device. The nuclear power engine device comprises a fixed base, a reactor system installed on the fixed base, a heat exchanger, an integrated engine and aconnecting pipeline; the integrated engine comprises an air inlet, a compressor, a heat exchanger secondary side heat exchange chamber, a turbine and an exhaust port; the heat exchanger is composed of two isolated parts, a heat exchanger primary side heat exchange chamber is connected with a reactor system outlet and an integrated engine inlet through pipelines, and the heat exchanger secondary side heat exchange chamber is connected with an integrated engine compressor air outlet and the turbine. and the compressor is composed of two parts which are isolated from each other, the front end isa primary loop coolant compression section, and the rear end is an air compression section. According to the integrated design, the size of the reactor system is reduced, a primary loop compressor isomitted, the nuclear power engine system is integrally compact, the nuclear power engine can be better matched with an aircraft, and system operation is simpler and more convenient.

The invention relates to the technical field of non-traditional machining, in particular to a torque motor drive electric spark total immersion liquid rotary table. The torque motor drive electric spark total immersion liquid rotary table comprises a supporting shell, a workbench, an output rotation shaft and a torque motor. The torque motor is arranged in an inner cavity of the supporting shell.A stator of the torque motor fixes the supporting shell, and a rotor of the torque motor fixes the output rotation shaft. The output rotation shaft is connected with the supporting shell through a bearing. The front end of the output rotation shaft stretches out of the supporting shell and is connected with the workbench. A high-resolution encoder is arranged at the rear end of the output rotationshaft, a rear cover plate is arranged at the rear end of the supporting shell, the total immersion liquid rotary table is sealed, and the workbench is connected with a power feeding mechanism. The torque motor drive electric spark total immersion liquid rotary table is suitable for vertical and horizontal dual purposes, vibration and noise caused by a mechanical structure are reduced, and the requirements for sealing performance, precision and reliability in the electric spark total immersion liquid machining process are well met.

The invention provides a power generation film, which comprises a positive electrode layer, a negative electrode layer and a piezoelectric electret film, wherein the piezoelectric electret film is clamped between the positive electrode layer and the negative electrode layer. The piezoelectric electret film comprises a plurality of composite fibers distributed in a random network manner, wherein the composite fibers comprises electret fibers and a zinc oxide film wrapping the periphery of the electret fibers. The invention further provides a wearable device with the power generation film. Whenexternal acting force causes mechanical deformation of the power generation film, the space position of the zinc oxide/electret composite fibers of the random network structure changes and the extrusion between the fibers occurs, so that a great induction voltage and an induced current are generated, and high-efficiency electric energy output is realized through the positive electrode and the negative electrode. The power generation film is applied to the wearable device, and long-term uninterrupted power supply for the wearable device can be realized.

The invention discloses a forest fire prevention alarm system based on tree power supply. The system comprises an electrode plate, the electrode plate is electrically connected with a boosting device and an energy storage device, and the energy storage device is electrically connected with a controller, a wireless communication module and a sensor in sequence; the electrode plate comprises a positive plate connected with the xylem of a tree and a negative plate inserted into the soil of the area where the same tree is located; the energy storage device comprises a first capacitor of which two ends are respectively connected with the positive plate and the negative plate, and a second capacitor electrically connected with the boosting device; the first capacitor is connected with the boosting device through a first switch; and the second capacitor is connected with the controller through a second switch. With the system adopted, the problem that forest fire prevention cannot be effectively achieved through manual patrol in the prior art can be solved. The system is high in efficiency and high in stability.

This invention is to provide a rotary internal combustion engine, which comprises a stationary cylinder connected with a shell, a plurality of piston claw clamps being movably provided on said stationary cylinder, a rotatable power output shaft pivotally provided on said shell, and an arc plate being fixed on said power output shaft within said shell, and a plurality of piston claw clamps being movably provided on a movable cylinder; wherein three pistons are rotating circumferentially in said movable cylinder and are clamped and released in turn cyclically by said piston claw clamps upon running, respectively, so as to switch working modes sequentially; and a plurality of spring cups are provided outside of said movable cylinder and each has a spring with a push rod provided therein such that said piston claw clamps can be controlled by said arc plate through said spring cups and said push rods.

The invention discloses a pneumatic driving type power mechanism. The pneumatic driving type power mechanism is characterized in that the pneumatic driving type power mechanism comprises an air storage tank (1), the air storage tank (1) is connected with an air supply assembly, an air outlet nozzle of the air storage tank (1) communicates with an air inlet nozzle of an electromagnetic valve (2), two first air ports in an electromagnetic air switching valve (8) correspondingly communicate with two second air ports in a drive air cylinder, a cylinder body (5) of the driving air cylinder is hinged to a frame plate (3), a piston rod (6) of the driving air cylinder is eccentrically hinged to a power wheel (7), a rotation detection assembly is arranged on a position close to the power wheel (7), and the rotation detection assembly is electrically connected with the electromagnetic valve (2). The pneumatic driving type power mechanism is simple in structure, reasonable in design and capable of achieving rotation power output driven by the air cylinder.

The invention discloses a wide-working-domain brushless motor efficient control system and a control method, which are used for an aerospace vehicle energy system. The system comprises a power supplymodule, a first DC-DC circuit, a battery pack, a second DC-DC circuit, an anti-reverse circuit, an ESC, a BLDC, an airborne controller and a communication link. Electric energy from the power supply module charges the battery pack through the first DC-DC circuit. The electric energy of the battery pack supplies power to the ESC through the second DC-DC circuit and the anti-reverse circuit in sequence, and the output voltage of the second DC-DC circuit and the accelerator signal input of the ESC are controlled in real time by the airborne controller according to the power demand of the aircraft. The wide-working-domain brushless motor efficient control system is suitable for brushless motor control systems with large power requirement ranges such as long-endurance unmanned aerial vehicles,and efficient power output of the whole power system can be kept in the wide working area.

The invention relates to a modularized oil-saving type fuel oil engine with crossed and opposed cylinders. The modularized oil-saving type fuel oil engine comprises combustion starting modules and a main transmission module, the main transmission module comprises a transmission case, a middle transmission crankshaft is rotatably mounted in the transmission case, and the combustion starting modules are mounted and connected to two sides of the main transmission module. The combustion engine module comprises air cylinders oppositely installed on the two sides of the transmission case, cylinder cavities of the air cylinders are oppositely arranged in a crossed mode corresponding to the middle transmission crankshaft, and air cylinder pistons are installed in the cylinder cavities of the air cylinders in a sliding mode and rotationally connected with the middle transmission crankshaft through connecting rods. The modular design is adopted, combined use of different power outputs can be achieved, maintenance and replacement of the fuel engine are more convenient, power increase, decrease and allocation are convenient, direct fuel efficiency can be improved to a certain degree, space can be better saved through the design of the crossed and opposed cylinder body mode, meanwhile, the length of a crankshaft is shortened, and power output is more efficient. The structure is suitable for gasoline and diesel fuel, and the universality is good.

The invention discloses an online peak searching data processing method based on a mixed performance function. The data processing method comprises the following steps: firstly, designing an approximate function to approximately fit relevant parameter functions and a target performance function, and carrying out weighted combination on the relevant parameter functions to construct a mixed performance function so as to approximately fit the target performance function; then, adopting a time-varying Kalman filter to estimate the gradient vector and the Seesh matrix of each approximation function, and a least square method to determine the optimal weighting weight for constructing the hybrid performance function; and finally, according to each approximate function gradient vector obtained by estimation, the Seesh matrix and the optimal weighting weight, rapidly and approximately solving peak coordinates of the target performance function. According to the data processing method, real-time robust online process optimization can be realized, the peak position of the target performance function is determined, and the invention can be widely applied to but not limited to the industrial fields of aerospace, automobile industry, processing and manufacturing and the like.

The invention relates to a rotating ferromagnetic engine, comprising a casing and an engine arranged in the casing, and mainly solving the problems of energy shortage and environmental pollution caused by fossil fuel. The engine comprises a power outputting system, an operation control system, a gear engaging mechanism, a counterforce adjusting system and a damping system, wherein the power outputting system comprises a flywheel and a rotating permanent magnet; the operation control system comprises a syntonic spring, a mass block, a U-shaped shielding block, a control frame I with a movable baffle board, a control frame II with an opening, a piston slideway I, a piston slideway II, and a driving system I or a driving system II or a driving system III, and the piston slideway I and the piston slideway II are parallel to each other; and the counterforce adjusting system comprises a fixed partition board and a counterforce fixing permanent magnet. In addition, the engine further comprises a speed control system. The systems are mutually connected and generate kinetic energy through interaction, so that the improved rotating ferromagnetic engine can realize high-efficiency power output.

The invention discloses an engine with high-efficient output. The engine with the high-efficient output comprises at least a power mechanism and a crankshaft. The power mechanism comprises an air cylinder, a piston, a connecting rod and a crankshaft. The crankshaft is provided with at least one crank. One end of the connecting rod is connected with the piston, and the other end of the connecting rod is connected with the crank in a rotatable mode. The piston is arranged inside the air cylinder. The piston moves back and forth between an upper dead center of the air cylinder and a lower dead center of the air cylinder. The crank swings within the driving angle range of 0-95degrees. The crankshaft is a power output end and is provided with a limiting device which limits moving of the crank from the highest point to the lowest point. The engine with the high-efficient output is capable of keeping the engine do work efficiently, effectively using kinetic energy of high pressure gas generated when engine fuel burns and reducing wastage of fuel.

The invention relates to a ferromagnetic engine with a permanent magnet compound body, comprising a shell and an engine arranged in the shell and mainly solving the current problems of energy shortage and environmental pollution by fossil fuel. The engine comprises a power output system, an operation control system, a reverse regulating system and a vibration reducing system, wherein the power output system comprises a flywheel and a permanent magnet compound body piston; the operation control system comprises a harmonic spring, a mass block, a U-type shielding block, a control frame I with a movable baffle I, a control frame II with an opening, a piston slideway I, a piston slideway II and a driving system I, a driving system II or a driving system III; the piston slideway I and the piston slideway II are mutually parallel; and the reverse regulating system comprises a fixed separator and a permanent magnet fixed by reverse action force. The engine also comprises a velocity control system, and all the systems are mutually connected to generate kinetic energy by interaction so that the high-efficiency power output is realized.

The invention discloses a wind-solar energy source intelligent controller based on three-phase dual-voltage rectification, which is characterized in that a control center used for monitoring circuit conditions and controlling the charge-discharge modes of a storage battery is arranged; the three-phase alternating-current (AC) signal of a wind power generator is input from an AC input interface and enters a DC/DC switching circuit after passing through a three-phase dual-voltage rectification filter circuit; the DC signal of a solar-cell panel is input from a DC input interface and enters the DC/DC switching circuit after passing through the three-phase dual-voltage rectification filter circuit; the control center detects voltage current in the circuits, controls the rectification mode of the three-phase dual-voltage rectification filter circuit, regulates a PWM (Pulse-Width Modulation) signal, controls the charge-discharge modes and displays the circuit conditions. The three-phase dual-voltage rectification filter circuit comprises a rectification bridge, a selector switch, an energy storage filter capacitor, a sampling circuit and a control circuit. The invention automatically switches the rectification modes according to the magnitude of wind energy input voltage, which makes the controller have high-efficiency stable power output at the low-wind speed starting stage and the rated revolution stage of the wind power generator.