57results about How to "Power recovery" patented technology

A plasma display panel sustain-discharge circuit. First and second signal lines for supplying first and second voltages and at least one inductor coupled between one end of the panel capacitor and a third voltage are formed. Energy is stored in the inductor through a path formed between the third voltage and the first signal line in a state where a voltage of one end of the panel capacitor is substantially fixed to the first voltage. The voltage of one end of the panel capacitor substantially decreases to the second voltage using resonance current generated between the inductor and the panel capacitor and the stored energy. Energy is stored in the inductor through a path formed between the third voltage and the second line in a state where a voltage of one end of the panel capacitor is substantially fixed to the second voltage. The voltage of one end of the panel capacitor substantially increases to the first voltage using the resonance current generated between the inductor and the panel capacitor and the stored energy.

The invention provides an auxiliary combustion-engine type pressurization system for restoring the plateau power of an internal-combustion engine, and belongs to the technical field of thermal power engines. The auxiliary combustion-engine type pressurization system mainly comprises an auxiliary air cleaner, an auxiliary pressurization air compressor, an auxiliary burning air compressor, an auxiliary turbine, a combustion chamber, an electromagnetic valve oil injection device, an ignition device, a switching valve and the like. When the internal-combustion engine runs in a place with a high altitude, the auxiliary pressurization system is arranged so as to restore the power of the internal-combustion engine by a main pressurizer and the auxiliary pressurization system; when the internal-combustion engine runs in a place with a low altitude, the main pressurizer and the internal-combustion engine are matched normally to work only. The auxiliary pressurization system can be dismantled freely, so that aims of simplifying the cabin arrangement of the engine, enhancing the running reliability and making the structure simple and compact can be fulfilled.

A waste heat utilization device for an air compressor includes: a discharge path of an oil free air compressor; a circulation path along which a low boiling point medium circulates; an evaporator provided on the circulation path to heat and evaporate the low boiling point medium using the potential heat of the compressed air; and a preheater provided on an upstream side of the evaporator to preheat the low boiling point medium using the potential heat of the compressed air. A scroll type expansion machine is rotated by the low boiling point medium evaporated by the evaporator and increased in pressure, and power is generated by a power generator connected to a rotary shaft of the scroll type expansion machine. The low boiling point medium discharged from the scroll type expansion machine is then cooled and condensed by a condenser.

The present invention relates to a method for raising output power of fibre-optic laser and quality of its optical spectrum and beam, belonging to the field of laser and optoelectronics. Said invention is characterized by that it utilizes forward phase conjugation and backward phase conjugation to suppress the stimulated Raman scattering effect and compensate the effects of harmful nonlinear optics and thermal aberration, etc. so as to raise the output power of fibre-optic laser and quality of its optical spectrum and beam.

A regenerative switched reluctance motor and a motor drive system therefor are provided. The motor has a rotor 33 with stacked rotor units 33a-33d each comprising 2n salient poles and a stator 31 with stacked stator units 31a-31d surrounding and corresponding to the rotor units and each comprising 4n magnetic poles to form a predetermined gap with the salient poles of the corresponding rotor unit. A first excitation coil 32(A) is wound on every other one of the 4n magnetic poles of each stator unit, while a second excitation coil 32(B) is wound on the remaining magnetic poles thereof. The rotor units are sequentially shifted by a predetermined angle in angular position relative to the stator units. The switched reluctance motor and the motor drive system can efficiently drive the motor and recover regenerative power with little torque ripple and noise.

The invention discloses a direct injection engine air intake system carbon removal agent. The direct injection engine air intake system carbon removal agent is characterized by being prepared from thefollowing raw materials by mass percentage: 30 to 60% of volatile solvents, 20 to 50% of polymer bipolar polyether amine, 5 to 20% of solvent-type surfactants, 1 to 10% of organosilicone gemini surfactants, 1 to 10% of fuel friction modifiers, 1 to 10% of rust inhibitors, and 1 to 10% of deionized water. The direct injection engine air intake system carbon removal agent can clean sediment of carbon deposits, oil pollution and the like of a direct injection vehicle air intake system, restore engine performance, improve fuel economy, restore original vehicle power, and reduce emissions.

The invention discloses a diesel engine DPF cleaning and regenerating device. The diesel engine DPF cleaning and regenerating device comprises a cleaning tank, a cleaning tray which is arranged at thebottom of the cleaning tank, a cleaning liquid pipeline, a compressed air pipeline, a cleaning rod, a rotating transmission which is used for driving the cleaning tray to rotate, an air cylinder which is used for driving the cleaning rod to move in a reciprocating mode and a high-pressure nozzle, and the high-pressure nozzle is connected with the cleaning rod, a liquid outlet of the cleaning liquid pipeline and an air outlet of the compressed air pipeline. According to the diesel engine DPF cleaning and regenerating device, three-stage process of the ultrasonic cleaning, the reverse blowing type high-pressure washing and the hot compressed air blowing and drying is carried out, and a blocked DPF sample is cleaned and regenerated, so that the particle supplementing and collecting performance of the diesel engine DPF is rapidly recovered, the exhaust back pressure of the engine is improved; and therefore the maintenance or replacement cost of the blocked DPF is reduced, the fuel consumption of the diesel engine is reduced, the engine power of the diesel engine is recovered and the tail gas purification capability of the DPF is recovered.

The invention discloses a preparation method of a diesel engine DOC/POC cleaning regeneration agent, wherein the preparation method includes the steps: firstly, according to the mass percentage, adding 0.1-10% of an anti-redeposition agent into 1-15% of a wetting agent, then adding 0.1-5% of a foaming agent, 1-15% of a carbon deposit dissolution agent, 0.1-5% of an anti rust release agent and 50-95% of a solvent while stirring, filtering, and thus obtaining the DOC/POC cleaning regeneration agent. The method has the advantages that the method is simple and has no need of complex synthesis equipment; and the prepared cleaning regeneration agent enables carbon deposits, soot, colloids, oil sludge and other sediments in a DOC/POC catalysis device to be safely and efficiently dissolved, dispersed and cleaned in a free disassembly manner, so that maintenance costs of the catalysis device are reduced, the fuel consumption for a diesel engine is reduced, the engine power is recovered, and the purification effect of DOC/POC catalysis device exhaust gas is improved; and the cleaning regeneration agent is safe, environmentally friendly and pollution-free.

The invention discloses VSC alternating current fault ride-through method and device of an extra-high voltage hybrid multi-terminal direct current system. The method comprises the following steps: determining whether a receiving end VSC has an alternating current fault or not according to an alternating current voltage of the receiving end VSC, and generating a fault signal and enabling an alternating current low-voltage current limiting link, a direct current modulation link and a positive and negative sequence current control link of the receiving end VSC with the fault when the receiving end VSC has the alternating current fault; sending the fault signal to a rectifier station and a non-fault inverter station, controlling the rectifier station to enter a DC voltage control mode, and controlling the non-fault inverter station to perform short-time power increasing operation; after the alternating current fault is removed, the faulted receiving end VSC is recovered to the normal working state, and a fault removing signal is generated; sending the fault clearing signal to a rectifier station and a non-fault inverter station, and recovering the rectifier station and the non-fault inverter station to a normal working state so as to recover the direct-current power of the extra-high voltage hybrid multi-terminal direct-current system; the method can improve the ride-through and recovery characteristics when an AC fault occurs at the inversion side, and improves the operation safety of the system.

The invention discloses a diesel engine DOC/POC cleaning and regenerating agent and an application thereof. The cleaning and regenerating agent comprises a solvent, a carbon deposit dissolving agent, anti-redeposition agent, a wetting agent, a foaming agent and a rust proofing and corrosion inhibiting agent. The cleaning and regenerating agent can be applied to a regeneration process of a catalytic reactor with carbon deposit blockage. The cleaning and regenerating agent has the advantages of extremely good cleaning effects, and safety and environmental protection without pollution; at the same time, the cleaning and regenerating agent can be applied to a regeneration process of an invalid diesel engine DOC/POC catalytic reactor with carbon deposit blockage due to bad fuel oil quality and incomplete combustion, dissolving, dispersion and cleaning can be safely and efficiently carried out for carbon deposit, soot, colloid, greasy filth and other deposits in a catalyst without dismounting, so that maintenance cost of the catalytic reactor is reduced, oil consumption of a diesel engine is reduced, engine power is recovered, and tail gas purifying effects of the DOC/POC catalytic reactor are improved.

A regenerative switched reluctance motor and a motor drive system therefor are provided. The motor has a rotor 33 with stacked rotor units 33a-33d each comprising 2n salient poles and a stator 31 with stacked stator units 31a-31d surrounded by and corresponding to the rotor units and each comprising 4n magnetic poles to form a predetermined gap with the salient poles of the corresponding rotor unit. A first excitation coil 32(A) is wound on every other one of the 4n magnetic poles of each stator unit, while a second excitation coil 32(B) is wound on the remaining magnetic poles thereof. The rotor units are sequentially shifted by a predetermined angle in angular position relative to the stator units. The switched reluctance motor and the motor drive system can efficiently drive the motor and recover regenerative power with little torque ripple and noise.

In the plasma display device, a voltage of a power recovery capacitor is set to be greater than half of a sustain discharge voltage when a voltage of a power recovery circuit is increased, and is set to be lower than half of the sustain discharge voltage when the voltage of the power recovery circuit is decreased. Accordingly, power recovery efficiency can be improved.

An apparatus for detecting the position of the paintball of a paintball gun includes an induction plate responsive to electrostatic capacity. The induction plate is positioned at a corresponding side of the ball-falling tube within the firing area of the gun barrel, and the induction plate consists of a conductive terminal piece and equivalent electrostatic capacity. An insulated body is interposed between the terminal piece and the gun barrel. Besides, an electrostatic capacity detection circuit is electrically coupled to the induction plate for detecting the change of the electrostatic capacity of the induction plate. Moreover, the signal of the change of the electrostatic capacity is transmitted to the paintball-firing circuit for a reliable detection if the paintball accurately reaches the firing area such that the push tube may be actuated in accordance with this information. In this way, an accurate detection is ensured without being disturbed by other light sources. Moreover, an undesired firing action is avoided when the paintball is still not fed in position. In addition, it is not required to clean up the firing area. Furthermore, a low power consumption is achieved.

The invention discloses a raw material of an engine carbon removal protective agent. The raw material is characterized by comprising the following materials in parts by weight: 5-10 parts of oleic acid, 2-8 parts of isopropanol, 1-2 parts of emulsifying agent, 2-5 parts of ammonia water, 1-3 parts of ethanol amine, 2-5 parts of ethylene glycol butyl ether and 80-100 parts of 90# gasoline. The engine carbon removal protective agent prepared from the raw material disclosed by the invention consists of main raw materials such as a permeating dispersant and a dissolution diluting agent, can be used for cleaning an automobile engine without disassembling engine parts when the automobile engine works, is capable of effectively clearing away colloid oil dirties and carbon deposit out of the engine, lowering the maintenance cost, reducing oil consumption, restoring the power of the engine and eliminating environmental pollution caused by incomplete combustion, and has a remarkable effect when used for eliminating unstable idle speed, acceleration failure, difficult low-speed start and the like.

The invention discloses a knock suppression method for a two-stroke aviation kerosene engine. The method comprises the following steps that the current engine working condition is judged through a rotating speed sensor and a throttle valve position sensor; in-cylinder pressure fluctuation of n cycles is collected through a knock sensor to judge whether the engine is knocked or not under the current working condition, when the engine is knocked and the knock index KI exceeds a threshold value, the next step is executed, and if the engine is not knocked at the moment, the ignition advance angle is gradually increased till knock occurs; according to the feedback value of an oxygen sensor, the fuel injection pulse width is increased to make the mixed gas be gradually thickened till the excess air coefficient ranges from 0.8 to 0.9; and an electronic control unit is controlled by an upper computer to adjust the ignition phase, and whether the knock index KI does not exceed a threshold value or not is judged. By means of the method, knocking of the kerosene engine can be effectively restrained, the power of the engine can be well recovered, and the defects of gasoline in fuel transportation and storage are overcome.

The invention discloses an oil nozzle cleaning agent and a preparation method thereof. The oil nozzle cleaning agent is prepared from, by mass, 5-15% of an additive, 20-40% of solvent oil, 35-50% of xylene, 5-20% of methyl isobutyl carbinol, 2-15% of petroleum ether and 0-0.01% of color mixing powder. The additive is prepared from, by mass, 20-30% of polyether amine, 15-30% of heavy solvent naphtha, 1-10% of light solvent naphtha, 10-30% of polyether glycol, 1-10% of 2-ethylhexanol, 1-10% of trimethylbenzene, 0.5-5% of naphthalene, 0.5-5% of n-propyl benzene, 0.5-5% of polypropylene glycol, 0.05-3% of cumene and 0.01-5% of triethanolamine. The oil nozzle cleaning agent is capable of clearing carbon deposit in oil nozzles to improve oil atomizing effects, and oil consumption reduction, power recovery and improvement of difficulty in cold starting are realized.

The invention discloses a cleaning device for a solar battery panel. The cleaning device comprises a rocker arm cleaning mechanism arranged on the first side of the solar battery panel, a driving device for driving the rocket arm cleaning mechanism, and an induction device which is arranged on the second side of the solar battery panel and used for inducing whether rainwater deposition exists or not, wherein the induction device is connected with the driving device for driving the rocker arm cleaning mechanism, so that the technical effects that the solar battery panel is effectively cleaned, and the power of the solar battery panel can be restored are realized.

The invention provides a power recovery method of a fuel cell engine, a related device and a storage medium. The power recovery method of the fuel cell engine comprises the steps of in the operation process of the fuel cell engine, judging whether the ratio of a voltage actual value to a set value under the current current is within a preset range, and lasts for first preset time or not; and if it is judged that the ratio of the actual voltage value under the current current to the set value is within the preset range and lasts for the first preset time, starting a preset automatic recovery program, and recovering the power of the fuel cell engine by controlling the operation state of the fuel cell engine, thereby achieving the purpose of efficiently solving the problem that the power of the fuel cell engine is reduced.

The invention aims at simplifying the electrical connections between equipment and an electrical power centre to be supplied in electricity, while enabling a good accessibility of each piece of equipment and an easier maintenance. To do so, a particular integration of this equipment is carried out so as to be able to assemble them together and connect them in a direct extension of the electrical power centre. According to one embodiment, an integration module consists in a frame and a cover, the frame having a substantially parallelepipedic shape adapted to be able to extend longitudinally along a main axis in parallel with a longitudinal main side of the electrical power centre of the structure to be supplied. Cells of constant section and a width being adjustable by movable intermediary walls, extend perpendicularly to the main axis. Such cells are adapted to receive formatted electrical equipment.