35results about How to "Reduce burn out" patented technology

The invention discloses systems and methods for gas supply and usage. This invention relates to gas vaporization and supply system that includes (a) a vessel suitable for holding a bulk quantity of a liquefied gas; (b) at least one heating source positioned on or near the vessel to supply energy to, or remove energy from, the liquefied gas; and (c) a heating source controller adapted to use process variables feedback for dynamically regulating the heating source and maintaining and regulating gas output. The process variables feedback results from cascading sequence control of at least two process variables. The process variables include pressure, temperature, and / or gas output flow rate. This invention also relates to a method for delivery of a gas, e.g., ultra high purity gases, from a liquefied state in a controlled manner to a usage site, e.g., a semiconductor manufacturing facility. This invention provides faster heating system response to fluctuations in customer demand, a longer heater life, and improved reliability.

This invention provides a replaced torque changeable clutch action valve for automatic speed variator and method for restoring the hydraulic integrity. Said action valve consists of extensible valve plug of oil seal ring made from Teflon (or other similar material) installed on the main wearing place in valve to reduce the ATF leakage. Said valve plug contains inner liquid path way radial extended in radiation direction forming mutual communication with circular concave groove of oil seal ring. Said action valve driven by electromagnetic valve, the TCC signal pressure forcing ATF entering the path way of valve plug, making oil seal ring expansion to contact with hole and minimizing the ATF leakage in operation of torque changeable clutch.

The invention discloses a nozzle of a combustion chamber of a miniature gas turbine, relates to the gas turbine technology, and in particular to a small size fluid fuel nozzle used in a combustion chamber of a 100 kW level miniature gas turbine. The nozzle consists of three parts which are a fuel oil passage, a fuel air passage and an air channel at the root of a burner, comprehensively utilizes the advantages of pneumatic nebulization and pressure atomization, and is a combined type high performance pneumatic atomizing nozzle. The nozzle of the invention has the characteristics that: the nozzle adopts a conventional processing method to realize excellent atomization of the fuel in small scale space, so as to meet the requirement for the quality of fuel atomization under a quite wide burden of the combustion chamber of the miniature gas turbine; the nozzle can avoid burnout and overcomes the defect of nozzle blockage caused by high temperature coking of the fuel; meanwhile, the nozzlecan make the fuel in the combustion chamber to be combusted more fully and reduce discharge of pollutants such as smoke black and so on.

The invention belongs to metal plates bent along the straight line, and particularly discloses a plate rolling machine with the cooling function. The plate rolling machine comprises a rack, an upper roller, a lower roller, a side roller and a power source driving the upper roller to rotate. The upper roller, the lower roller and the side roller are all rotationally connected to the rack. The plate rolling machine further comprises a first connecting shaft and first fan blades. The first connecting shaft is coaxially connected with the upper roller. The first fan blades are installed on the first connecting shaft. According to the scheme, the fan blades are installed on the first connecting shaft, and therefore when the power source drives the upper roller, the fan blades can be driven to rotate without additional power, and electric energy is saved. Meanwhile, when the fan blades rotate, a good cooling effect is achieved, in addition, dust or impurities on rolled plates can be blown away, and a certain cleaning function can be achieved for the rolled plates. Compared with a traditional plate rolling machine, the plate rolling machine in the scheme has a good heat dissipation effect, and the probability of burnout of sealing rings and side plates is effectively reduced.

An X-ray detector assembly comprising a light attenuator of electro-chromic material, the electro-chromic material having a first electrode layer electrically coupled to a first surface of the electro-chromic material and a second electrode layer electrically coupled to a second surface of the electro-chromic material, wherein the second surface is disposed opposite the first surface, and the light attenuator having a controllable light transmission rate. The X-ray detector further comprising a scintillator deposited on the first electrode layer and a photo detector deposited on the second electrode layer. The photo detector having a sensing surface adjacent to the second electrode layer of the light attenuator. A variable power supply is electrically coupled to the first and second electrode layers of the light attenuator to provide a controllable voltage across the first and second electrode layers to control the light transmission rate of the light attenuator in real time.

The invention relates to an elevator device, comprising a bracket main body, a tray and a motor. The bracket main body is composed of a guide rail bracket and a pulley bracket. A guide rail is arranged on the guide rail bracket, and an inner pulley is arranged on the tray, and the inner pulley is fastened and connected to the guide rail. , the bottom of the tray is provided with a lift plate, the lift plate is connected to the ground of the pallet through a rotating shaft, and the rotating shaft is also provided with a traction column A and a traction column B respectively towing a stop forming switch and a standby travel switch, and the tray is provided with an inclined placement switch. There is a start travel switch on the rear side of the load board, a start trigger line is connected to the start formation switch, a return travel switch is arranged on the left side of the tray, a wireless signal transmitter and a battery pack are also arranged on the tray, and the tray The steel rope A and the steel rope B are hoisted, and the motor plays a driving role, and the motor drives the reel to realize retracting and unwinding of the steel rope A and the steel rope B. The invention has the advantages of simple structure, low manufacturing cost and high work efficiency.

The invention discloses a thermal buffer type sintering furnace, which comprises: a furnace body (1), stainless steel tubes (3) and heating wires (5); (1) is set in the axial direction and is evenly arranged in the furnace body (1) along the circumferential direction; the heating wire (5) is helically laid on the furnace body (1) along the length direction of the furnace body (1) The inner wall, and the heating wire (5) is connected with a heating mechanism. The thermal buffer sintering furnace can reduce the sintering failure rate.

The invention discloses a heating control system of an electric heater, comprising a control unit and a heating part, wherein the control unit is used for controlling the heating part; the heating part comprises a first heating unit and a second heating unit. When the control unit receives a third signal from a switch unit, a timing unit is started to begin timing, and one of the first heating unit and the second heating unit is started; when the time counted by the timing unit reaches the preset time, the timing unit sends a switching signal to the control unit, and the timing unit is cleared and the time is counted again; when the control unit receives the switching signal from the timing unit, the control unit makes one, which is opened, of the first heating unit and the second heating unit closed, and makes one, which is closed, of the first heating unit and the second heating unit opened, so that the opening and the closing of the first heating unit and the second heating unit are switched.

The invention relates to a water leakage preventing method in the metallurgical field, in particular to a method for preventing water leakage of the base of a coherent oxygen lance of an electric furnace and a water cooling plate under the base. The mounted water cooling plate of the coherent oxygen lance is divided into an upper water cooling plate and a lower water cooling plate; the upper water cooling plate is made of steel, the original radian at the middle part of the upper water cooling plate is straightened to ensure that the base of the coherent oxygen lance bulges about 30 mm to theinner part of the electric furnace, so as to enlarge the distance between the coherent oxygen lance and a lower furnace liner and the distance between the lower water cooling plate and the lower furnace liner; the lower water cooling plate is made of copper; the mounting position of the base of the coherent oxygen lance is raised by 200 mm upwards on the original basis, and both the upper water cooling plate and the lower water cooling plate are changed. The method can basically solve the problem of water leakage of the base of the coherent oxygen lance and the water cooling plate under the base, greatly reduce erosion and depletion to the lower liner of the furnace by the coherent oxygen lance, obviously prolong the electric furnace life, reduce the labor intensity of workers, improve the production rhythm and reduce the production cost.

The invention relates to the technical field of internal combustion engine accessory manufacturing, in particular to a piston of an energy-saving environment-friendly mounting clearance pairing piston ring. The piston of the energy-saving environment-friendly mounting clearance pairing piston ring comprises a piston body, a first gas ring and a second gas ring, wherein the first gas ring and the second gas ring are installed on the piston body, one end of an opening of a ring body of each gas ring serves as an extending portion, the other end of the opening of the ring body of each gas ring serves as a lap-joint portion, each lap-joint portion corresponds to each extending portion in length, when lap joint is carried out on each lap-joint portion and each extending portion in a vertical mode to enable the ring body of each gas ring to form the whole circle, a gap which cannot expand along with increase of the abrasion loss of each gas ring is formed between the slope of each extending portion and the slope of each lap-joint portion, a fixed matched proportion is arranged between the gap formed between the slopes at the position of the lap joint of the opening of the first gas ring and the gap formed between the slopes at the position of the lap joint of the opening of the second gas ring, and the value of the fixed matched proportion is 0.035mm-0.18mm to 0.02mm-0.12mm. The piston of the energy-saving environment-friendly mounting clearance pairing piston ring can greatly improve the sealing performance and the compression pressure of an air cylinder, fuel oil can carry out sufficient combustion, the phenomenon of carbon deposit can never happen, consumption of the fuel oil and consumption of engine oil are reduced, pollution emission is reduced, and various mechanical property indexes and various economic indexes of an internal combustion engine are greatly improved.

The present invention relates to the mica tape manufacturing field, and especially relates to a manufacture process of low-flourine mica tapes. The manufacture process comprises the steps of coating brushing, mixed layer manufacturing, drying, cooling and tape cutting, wherein mica paper used in mixed layer manufacturing is tested low-flourine mica paper. With adoption of the manufacturing process provided by the present invention, a fluorine content of the manufactured mica tape is greatly reduced, requirements for environment protection are met, harms to human bodies are reduced, and the amount of release of fluorine especially in high-voltage cable application is lowered.

The invention relates to the technical field of dry-type transformers, and discloses a dry-type transformer with high safety performance, which comprises a cooling mechanism, and the cooling mechanism comprises a small turntable; according to the distance between the heat conduction block and a heat source, low-boiling-point evaporated liquor in the heat conduction block is converted between vaporization and liquefaction, the large rotating disc rotates, the heat absorption belt synchronously rotates, heat generated by operation of the dry-type transformer is absorbed and transferred, external energy is not needed, energy conservation and environmental protection are achieved, it is guaranteed that the dry-type transformer can be continuously and normally used, and the possibility of burnout is reduced; a small rotating disc drives a rotating column to rotate, a rotating rod set drives a piston to move up and down in the vertical direction, the movement of the piston changes the space in an exhaust pipe, generated airflow accelerates air flow in the exhaust pipe and takes away heat adsorbed on the surface of a heat absorption belt, the effect of cooling the exhaust pipe is achieved, and circulating heat absorption of the exhaust pipe is facilitated; heat dissipation can be continuously carried out on the dry-type transformer, and normal operation of the dry-type transformer is facilitated.

The invention relates to the field of a switch power supply, is to solve the problem that energy consumption of the switch power supply can be increased when the switch power supply is cooled through a heat radiation fan, and provides a heat dissipation device for a switch power supply. The heat dissipation device comprises a housing. The housing is equipped with an electronic component of the switch power supply. A cover plate is arranged above the housing. The cover plate comprises a fixation portion and an extensible movable portion. The fixation portion of the cover plate is uniformly provided with connection holes; and the connection holes are used for connecting the movable portion. A retractable heat dissipation member is arranged between the cover plate and the housing. The heat dissipation member is arranged on the upper end surface of the housing and is internally provided with a cavity filled with water. The heat dissipation member can extends along the side surface of the housing under the function of the movable portion.

The invention discloses a frequency converter with an overheat protection system, relates to a frequency converter, and solves the problem that the main circuit of the frequency converter is easy to be damaged due to the temperature rise of the frequency converter in operation, The technical scheme comprises the following points: a temperature detecting unit, a frequency converter quarterly temperature threshold database provided with temperature reference values of different quarters, a quarterly switching unit for detecting the quarter in which the frequency converter is located in real timeand outputting the corresponding quarter number, a central processing unit, a comparison unit and an execution unit; The invention discloses a frequency converter with an overheat protection system.When the temperature at a main circuit is higher than a temperature threshold value, the execution unit immediately cuts off the loop where the main circuit is located, reduces the probability of burning out the main circuit under the condition of high temperature, and prolongs the service life of the frequency converter.