268results about How to "Reduce air intake" patented technology

The invention relates to a compressed air air-conditioner. The invention belongs to a rotor transducer used for converting energy into power, and relates to an air-conditioning system using an expansion engine to increase the energy of a compressor. The compressed air air-conditioner can be used for adjusting the indoor temperature by cold air generated by expansion of compressed air which is cooled, and is an ideal environment-friendly air-conditioner which has low air specific heat and high relative energy consumption so as not to be used as the common air-conditioner. If the expansion engine with high energy conversion efficiency can recover the compression energy as much as possible, and the energy is only consumed in the aspects of heat exchange and mechanical wear, so that the compressed air air-conditioner has the value of being taken as the common air-conditioner. The compressed air air-conditioner comprises the compressor which is arranged together with the expansion engine in a coaxial way, and a heat exchanger is connected between the compressor and the expansion engine. The compressed air air-conditioner is characterized in that both the compressor and the expansion engine use the rotor transducer. The compressed air air-conditioner has the advantage of adding the advantage of saving energy on the basis of environmental protection.

The invention discloses a peak-regulating power station integrating IGCC and a supercritical unit, and a peak regulating method. The peak-regulating power station comprises an IGCC power generator set and a supercritical power generator set, wherein a gasifier outlet in the IGCC power generator set is connected with a purification unit synthesized gas inlet, a purification unit outlet is divided into two ways, one way is connected with a combustion chamber of a gas turbine to implement the quick variable load of the peak-regulating power station by regulating the synthesized gas inlet volume of the gas turbine, and the other way is connected with a synthesized gas burner of the supercritical boiler in the supercritical power generator set; an extraction pipeline in steam cylinder of the supercritical steam turbine which is provided with steam by the supercritical boiler is connected with a steam regulator, an outlet of the steam regulator is connected with a combined cyclic steam turbine inlet pipeline in the IGCC power generator set; the two ways are organically fused through the connection and coordinated matching of pipelines among the systems, the quick and deep peak regulating capability of the power station can be realized, and the relatively high power generation efficiency can be kept.

The invention discloses a device and a method for collecting storage tank discharged gas. The device comprises more than one storage tanks A for storing a medium A, and more than one storage tanks B for storing a medium B; breather valves, emergent release valves, pressure transducers and cutting valves are respectively arranged at the tops of the storage tanks; the cutting valves of the storage tanks A are communicated with storage tank A gas phase pipes through storage tank A pipe fire stoppers; the other ends of the storage tank A gas phase pipes are respectively connected with one end of a storage tank A gas phase gathering pipe; the cutting valves of the storage tanks B are communicated with storage tank B gas phase pipes through storage tank B pipe fire stoppers; the other ends of all the storage tank B gas phase pipes are respectively connected with one end of a storage tank B gas phase gathering pipe; the other end of the storage tank A gas phase gathering pipe and the other end of the storage tank B gas phase gathering pipe are respectively connected with one end of a storage tank gas phase gathering pipe main pipe; and the other end of the storage tank gas phase gathering pipe main pipe is connected with a dirty oil collecting system. The device can reduce the loss caused by direct discharge of oil into the atmosphere, and reduces the probability of generating potential safety hazards by feeding a lot of air into the tanks.

The invention discloses an air conditioner outdoor unit, an air conditioning unit and a refrigeration control method and a heating control method thereof. The air conditioner outdoor unit comprises an outdoor unit shell and a wind valve, wherein the wind valve covers an intake port of the outdoor unit shell. The air conditioner outdoor unit is provided with the wind valve for covering the intake port of the outdoor unit shell, so that the intake quantity of the outdoor unit shell can be adjusted through the wind valve, that is, the heat exchange quantity of an outdoor heat exchanger with external environment can be adjusted; and in particular, in low-temperature refrigeration and high-temperature heating of the air conditioning unit, the heat exchange quantity of the outdoor heat exchanger with the external environment is reduced, so that the low-temperature refrigeration operation stability and the high-temperature heating operation stability of the air conditioning unit are improved, and the service life of a compressor can be prolonged.

The invention provides an electronic cigarette oil leakage preventing device adopting a light-induced reversible deformation layer. The electronic cigarette oil leakage preventing device comprises a housing (12), a light source accommodation cavity (2) provided with a light source (1) in the inside and provided with a transparent light outlet wall (2-1), a light-induced reversible deformation layer (5) provided with a lighted side surface and a back-lighted side surface, and an elastic layer (6) tightly attached to the back-lighted side surface of the light-induced reversible deformation layer (5), wherein the lighted side surface faces the light source (1), an airflow outlet channel is defined between the lighted side surface of the light-induced reversible deformation layer (5) and the light outlet wall (2-1) and the housing (12), and an air inlet hole (8) and an air outlet hole (3) of the airflow channel are respectively formed in the housing (12), one end of every one of the two holes is fixedly connected with the light outlet wall (2-1) or the housing (12), the other end of every one of the two holes is attached to the lighted side of the light-induced reversible deformation layer (5), and therefore blocking of the airflow channel is formed.

The invention discloses a method and device for controlling the idling speed of an engine and belongs to the field of automobile electronic control. The method for controlling the idling speed of the engine comprises the steps that a starting request of an electrical load is received; the electrical load is controlled to work, an idling speed ignition angle of the engine is adjusted to be optimal when the electrical load works, the air input of a throttle valve is adjusted so that the actual rotating speed of the engine can be improved, and adjustment of the air input of the throttle valve is stopped when the actual rotating speed of the engine is equal to a first target idling speed; a stopping request of the electrical load is received; the electrical load is controlled to stop working, the idling speed ignition angle of the engine is adjusted to be optimal, the air input of the throttle valve is reduced so that the actual rotating speed of the engine can be lowered, reduction of the air input of the throttle valve is stopped when the actual rotating speed of the engine is equal to a second target idling speed, and the second target idling speed is lower than or equal to the first target idling speed. By the adoption of the method and device for controlling the idling speed of the engine, the oil combustion efficiency can be kept highest when the engine is at the idling speed, and oil consumption is reduced.

The invention provides a braking control method, device and equipment and a storage medium. The method comprises the steps that when it is determined that an engine is in the braking working condition, the current rotation speed of the engine is acquired; whether the current rotation speed is higher than preset critical rotation speed or not is determined, wherein the critical rotation speed is the critical speed between a middle-low rotation speed area and a high rotation speed area, the rotation speed in the middle-low rotation speed area is the braking rotation speed commonly used by a user, and the rotation speed in the high rotation speed area is not lower than the maximum rotation speed in the middle-low rotation speed area; if not, the deflation opening degree of a supercharger is controlled to be zero; and if yes, the deflation opening degree of the supercharger is adjusted to a first opening degree value, wherein the first opening degree value is larger than a second opening degree value, the first opening degree value is the deflation opening degree corresponding to the current rotation speed when the engine is in the braking working condition, the second opening degree value is the deflation opening degree corresponding to the current rotation speed when the engine is in the positive work working condition, and the first opening degree value is larger than zero. According to the scheme, variable adjustment of the braking power can be achieved, and then the reliability of the engine is improved.

The invention discloses an air inlet sectioning device for an internal combustion engine in the field of four-stroke internal combustion engines. The device comprises at least one air inlet passage and at least two air inlet pipes; an air inlet aid control valve is arranged between the air inlet passage and the air inlet pipes; and when the opening and closing of the air inlet aid control valve are timed, the air inlet process of the air inlet passage is divided into at least two air inlet durations, and the air inlet passage is sequentially communicated with the corresponding air inlet pipes in the divided air inlet durations respectively. When the air inlet sectioning device is applied to the four-stroke internal combustion engine, gases with different components and/or gases with different pressures can be sectioned and sequentially pass through the air inlet passage in different air inlet durations to enter a cylinder so as to reduce the discharge of the internal combustion engine and/or improve the transient response performance of a turbocharged engine.

The invention discloses an air feeding and discharging adjustment system with multiple connection pipes in the technical field of internal combustion engines. The air feeding and discharging adjustment system comprises an air compressor, a turbine, an engine, the connection pipes, a volumetric cavity, a moving body, penetration pipes and an elastic part, wherein the first penetration pipe and the second penetration pipe penetrate through the upper wall surface and the lower wall surface of the moving body; and the right wall surface of the moving body is connected with the right wall surface of the volumetric cavity through the elastic part. In the working process of the engine, the moving body can move in the volumetric cavity left and right; under a working condition of low speed, the pressure of the left side of the moving body is relatively low, so that the moving body moves towards the left, the first connection pipe and the third connection pipe are communicated with each other, the air feeding amount of the air compressor is relatively increased, and the air compressor does not surge; and under a working condition of high speed, the pressure of the left side of the moving body is relatively high, so that the moving body moves towards the right, the fifth connection pipe and the sixth connection pipe are communicated with each other, the air feeding amount of the engine is relatively reduced, and the detonation pressure of each cylinder is reduced. The air feeding and discharging adjustment system is rational in design and suitable for turbine pressurization systems of engines and has a simple structure.

The invention provides an internal water content system and method of a fuel cell. The system comprises a water content detection system, wherein the water content detection system is arranged at two ends of an electric stack of the fuel cell and is used for detecting water content in a proton membrane in the electric stack of the fuel cell, the water content detection system comprises a ultrasonic wave generator and a ultrasonic receiver, and a controller is connected to the water content detection system and is used for adjusting air supply quantity of an air inlet and exhaust system of the fuel cell according to the water content, received by the water content detection system, of the proton membrane. The water content detection system is used for detecting the water content in the fuel cell, the water content of the proton membrane can be calculated according to the internal water content, and the air supply quantity of the air inlet and exhaust system is adjusted by the controller according to the water content of the proton membrane. By the system, the problems that the generation power of the fuel cell is reduced and the service lifetime of the proton membrane is reduced due to non-uniform water content of the proton membrane during the application of the fuel cell in the prior art are solved.

The invention provides a battery sealing storage box based on new energy, which belongs to the technical field of battery storage boxes, and aims to solve the problem that the ventilation efficiency of an air inlet of an existing storage box is greatly reduced due to the fact that cleaning operation cannot be automatically performed when a large number of sundries are attached to a filter screen of the air inlet of the existing storage box. The battery sealing storage box based on new energy comprises a box body; a mounting plate is mounted at the bottom of the box body, and a clamping mechanism is arranged on the front side of the middle of the bottom end face of the box body; a sweeping mechanism and a driving mechanism are arranged on the front portion of the right side of the box body; and two hand-screwing bolts are arranged on the upper portion of the front side of the box body in a bilateral symmetry mode, and a drying box piece is arranged on the rear side in the box body. The small wind speed sensor transmits a signal of low wind speed to the control box, then the control box starts the driving motor, the driving mechanism drives the sweeping brush to conduct up-down reciprocating sweeping motion, and therefore a large number of sundries attached to the filter screen of the square air inlet can be automatically swept. Therefore, the ventilation efficiency of the square air inlet of the storage box is greatly improved.

The invention discloses a thermal circulation process of a gas turbine based on pure oxygen or oxygen-enriched combustion, which comprises the following steps: compressing liquid fuel or gas; compressing oxygen gas or oxygen-enriched air; carrying out mixed combustion of the liquid fuel or the gas and the oxygen gas or the oxygen-enriched air; spraying water for controlling temperature; expanding high temperature and high pressure flue gas after combustion in the gas turbine for applying work; cooling most of water vapor in tail gas with circulating water in a condenser, wherein the condensed water circulates to a combustion chamber to be used for spraying water for controlling temperature, and the non-condensable gas is extracted by a vacuum pump; or exhausting gas under normal pressure without the use of the vacuum pump. By adopting direct combustion of the pure oxygen or the oxygen-enriched air and adopting the water spraying mode to replace excess air for controlling temperature, the air inflow is small, the amount of compression of a compressor is small, the restriction of the optimal pressure gas ratio is eliminated, the circulating intake pressure is improved, the non-condensable gas in the tail gas is little, and the exhaust pressure can be reduced through vacuum condensation. Because the process has high circulating intake pressure and low exhaust pressure, the expansion ratio of the gas turbine is improved, thereby improving the generating efficiency.

The invention discloses an experiment device for regulating different angles in a variable valve different lifting method. According to the device, a pair of air inlet cams of each cylinder can produce continuously changing different angles, so the valve lifting difference changes, eddy currents are produced and regulated, and a different angle experiment regulation system is provided for researching influences of the variable valve different lifting method on flowing characteristics of air in cylinders of an engine.

A compressor and turbine homo-mechanism regulating mechanism in the technical field of internal combustion engines comprises a compressor, a turbine, an engine, connecting pipes, a containing cavity, a moving part, penetrating pipes and an elastic part. Both the first penetrating pipe and the second penetrating pipe penetrate an upper wall and a lower wall of the moving part. A left wall of the moving part is connected with a left wall of the containing cavity through the elastic part. During operation of the engine, the moving part can move left and right in the containing cavity. At low operating speed, left pressure of the moving part is low, the moving part moves to the left, the first connecting pipe and the third connecting pipe are communicated with each other, air intake of the compressor increases relatively, and the compressor barely surges. At high operating speed, left pressure of the moving part is high, the moving part moves to the right, the fifth connecting pipe and the sixth connecting pipe are communicated with each other, air intake of the engine decreases relatively, and detonation pressure of cylinders lowers. The compressor and turbine homo-mechanism regulating mechanism is reasonable in design, simple in structure and applicable to turbocharging systems of engines.

The invention discloses a temperature regulation method for a cooling tower. The method is as follows: an inner side and an outer side of an air inlet of the cooling tower are respectively provided with a circle of water pipeline, nozzles are installed on the water pipelines, and in a summer, an air cooling area is formed by inner space and outer space around the air inlet through low temperature spray, thereby enabling high air wet bulb temperature to decrease after wet bulb passes through the cooling area; condensed water sprayed by the nozzles is obtained by supplying a water source by using the cooling tower, carrying out secondary condensation on the water source by using a refrigeration means, supplying obtained condensed water to the circles of water pipeline by using a water pump and then distributing the condensed water to each branch pipeline, and the condensed water is sprayed out by using the nozzles, a row of metal wires are vertically hung from top to bottom in the inner side of the air inlet of the cooling tower and hung above a water surface of a water storage tank, the metal wires are parallelly arranged so as to enclose the air inlet of the cooling tower, the bottoms of the metal wires are integrated into one by using a steel pipe, and a deicer is arranged on the steel pipe. According to the invention, the advantages of a simple structure, capacity of maintaining a temperature and cooling, safety, high efficiency, agility, utility and integration with nature are obtained; the cooling tower can automatically adjust air intake amount of the air inlet, and the temperature of cooling water is controlled to be in an optimal range.

The invention relates to a lemniscate spiral air inlet supercharger, which comprises a compressor air inlet, a compressor air guide wheel, a compressor air guide wheel front section, an air inlet, an intermediate, a turbine casing, wherein the compressor air inlet has a lemniscate air inlet path; and the compressor air guide wheel front section is provided with at least one spiral air entraining groove. The whole structure of the supercharger is not changed, parts are not additionally arranged, the air inlet of the supercharger is innovatively designed, inlet air flow resistance and flow energy loss are reduced, air is promoted to generate prewhirl, air flow is increased, and the efficiency of the supercharger is improved.

The invention discloses a method for reducing and removing nitrogen oxide by adsorption-oxidation and liquid phase absorption. The method comprises the following steps: (1) letting exhaust gas containing nitrogen oxide to pass through a fixed bed reactor filled with a molecular sieve to oxidize part of the nitrogen oxide and adsorb the nitrogen oxide on the molecular sieve; (2) stopping feeding the exhaust gas, feeding carrier gas (air or nitrogen), and performing heating desorption on a bed layer of the molecular sieve in a WF-01 differential integral reactor; (3) absorbing desorbed gas with a sodium sulfite in a filler tower, to finally reduce the gas into nitrogen. According to the method disclosed by the invention, efficient and low-cost removal of the nitrogen oxide is realized; desorbed nitrogen dioxide is 80 percent or higher of the total volume of the desorbed nitrogen oxide; after the gas is absorbed and reduced with the sodium sulfite solution, the denitrification rate can be up to 80 percent or higher.