50results about How to "Improve temperature rise performance" patented technology

A honeycomb filter includes a cell having one open end and another closed end that serves as a fluid flow path and a cell having one closed end and another open end, wherein the cells are alternately disposed. The honeycomb filter includes an undeposited region in an upstream region of a partition portion, which has no trapping layer and has a length of 5% or more and 30% or less of the length of the inlet cell. The upstream region of the partition portion includes an undeposited region having an area of 10% or more of that of the cell in a cross-section perpendicular to the exhaust gas flow direction. The undeposited region with no trapping layer in the upstream region decreases the permeation resistance of the partition portion in the upstream region and facilitates fluid passage through the partition portion in the upstream region.

The invention relates to a motor, and discloses a flat wire armature winding. The winding comprises a stator, a plurality of stator grooves are formed in the stator, N layers of conductors are arranged in each stator groove, coils are sequentially stacked and embedded from the first layer to the Nth layer of each conductor, and the embedded coils form a first group of coils in the stator grooves, the coils are sequentially stacked and embedded into the adjacent stator grooves from the (N-1)th layer to the second layer to form a second group of coils, the first group of coils and the second group of coils are arranged at intervals, the welding ends of the coils are connected end to end, finally the armature winding is formed, and N is an even number larger than or equal to 4. The hairpin coil is wound in the winding in a lap mode, the structure of the hairpin coil is designed, the formed winding structure is distributed in a short distance mode, generated harmonic electromotive force can be effectively weakened, and the magnetic potential waveform is improved; and on the other hand, the potential between the two branches connected in parallel is balanced, additional loss caused by ring current is avoided, and the effects of improving the motor efficiency and the temperature rise performance by the flat wire technology can be effectively exerted.

In an exhaust manifold of a four-cylinder engine four cylinders of which line up in order of cylinder #1, cylinder #2, cylinder #3 and cylinder #4, temperature rise performance of a manifold catalyst improves by shortening a total length of the exhaust manifold while preventing exhaust gas interference between the cylinders. Therefore, an exhaust manifold branch of cylinder #1 and an exhaust manifold branch of cylinder #4 in outward sides of the engine that are not fired in succession are made convergent with its convergence angle θ1 being equal to or below 20 degrees to form a first convergent exhaust manifold branch and an exhaust manifold branch of cylinder #2 and an exhaust manifold branch of cylinder #3 between the cylinder #1 and cylinder #4 that are not fired in succession are made convergent at a minimum distance having a laterally projected shape to form a second convergent exhaust manifold branch. The first and the second convergent exhaust manifold branches are thereafter convergent at a convergence angle θ3 from 0 degrees to 20 degrees.

The invention relates to a wave absorbing coating and a preparation method thereof. The wave absorbing coating is prepared from, in percentage by mass, 88%-98% of a wave absorbing material adhesive, 1%-10% of a wave absorbing material and 0.5%-2% of an aid. During preparation, all components are mixed in proportion. The wave absorbing coating has the advantages of thin coating, good adhesion capability, high strength, good heat conducting property, low cost and the like.

The invention discloses a method for manufacturing a novel super-high speed precision ball bearing. The method comprises the following steps: (a) preparing a Cr-N-C gradient compound coating; (b) washing a steel ball sample and drying with cold air; (c) highly vacuumizing by putting the steel ball in a cavity; (d) introducing Ar2, exerting a negative bias after rising of the air pressure, opening a Cr target to promote the current, washing the matrix, and opening a rotary workpiece clamp to rotate the steel ball in a constant speed; (e) reducing the negative bias and the chromium target current; (f) depositing the Cr-N-C gradient compound coating by exerting a negative bias on the matrix, wherein the Cr-N-C gradient compound coating is composed of a Cr bottom layer, a Cr-N transition layer and a Cr-N-C work layer; and (9) closing the Cr target, the C target and the nitrogen, and continuously introducing an argon. By adopting the technical solution provided by the invention, the temperature rise of the precision ball bearing can be greatly reduced, the vibration of the bearing can be reduced and the vibration stationarity can be increased, and then the high speed performance of the precision ball bearing and the reliability of the performance life can be increased and simultaneously the loading ability can be increased.

The invention discloses a stirring type wind power heating, solar and gas hybrid water heater, which mainly comprises components such as wind blades, a stirring heating oil barrel, a hot water storage barrel, a solar radiation heater, a water supplementing tank, a gas water heater, a booster pump and the like. The stirring type wind power heating, solar and gas hybrid water heater adopts a direct stirring heating mode, is simple in structure, low in cost and high in heating efficiency, is durable, can be used in any weather conditions, in daytime and at night, and the like. After a wind heating mode is used with a solar heat collector, mutual shortcomings are overcome, and an effect that the temperature of water is increased by renewable energy resources is greatly improved. When wind energy and solar energy can meet heating requirements, the gas water heater does not need to be started. When the temperature of hot water cannot meet the service requirement, the gas water heater is used for heating the water with temperature partially increased. The stirring type wind power heating, solar and gas hybrid water heater has the advantages that the wind energy and the solar energy are utilized to the greatest extent, the requirement that hot water with specified temperature can be supplied at any time is met assuredly, the stirring type wind power heating, solar and gas hybrid water heater is applicable to various weather environments, energy is saved, and high initial investment and running cost are avoided.

The invention provides an operation control method, an operation control device, an air conditioner and a computer readable storage medium. The operation control method comprises the following steps:controlling the air conditioner to operate in a heating mode and determining that the room temperature is in a first temperature threshold value interval; determining a plurality of second temperaturethreshold value intervals corresponding to the first temperature threshold value interval; when determining that the outdoor temperature enters any one second temperature threshold value interval, separately determining a defrosting starting condition and an auxiliary heating starting condition corresponding to any one second temperature threshold value interval; and behind starting the defrosting operation according to the defrosting starting condition, if the collected working condition parameter is matched with the auxiliary heating starting condition, controlling to start an auxiliary heating device. By adopting the technical scheme, by starting the auxiliary heating device before executing the defrosting operation, reduction of heating effect of the air conditioner as a result of frosting can be compensated, so that the heating effect before starting the defrosting operation is improved.

The invention discloses a zirconium dioxide composite nanometer material with microwave sensitization, chemotherapy dry release and CT imaging functions and a preparation method and application thereof. The zirconium dioxide composite nanometer material comprises a hollow zirconium dioxide nanometer material and trametes polysaccharide. The hollow part of the zirconium dioxide nanometer material of the zirconium dioxide composite nanometer material is filled with the trametes polysaccharide. The grain size of the zirconium dioxide composite nanometer material is 50-500 nm; the thickness of a shell is 10-100 nm. The prepared zirconium dioxide composite nanometer material is good in dispersity; the size and thickness of the shell can be adjusted as needed. The hollow part of the zirconium dioxide is filled with the traditional Chinese medicine trametes polysaccharide with the chemotherapy effect for the first time; the zirconium dioxide composite nanometer material can be applied to the technical fields of microwave sensitization, chemotherapy dry release and CT imaging at the same time, achieves the target of treating the tumor through the diagnosis and treatment integration and targeted hyperthermia chemotherapy and has good clinical application prospects.

A honeycomb filter includes a cell having one open end and another closed end that serves as a fluid flow path and a cell having one closed end and another open end, wherein the cells are alternately disposed. The honeycomb filter includes an undeposited region in an upstream region of a partition portion, which has no trapping layer and has a length of 5% or more and 30% or less of the length of the inlet cell. The upstream region of the partition portion includes an undeposited region having an area of 10% or more of that of the cell in a cross-section perpendicular to the exhaust gas flow direction. The undeposited region with no trapping layer in the upstream region decreases the permeation resistance of the partition portion in the upstream region and facilitates fluid passage through the partition portion in the upstream region.

In an exhaust manifold of a four-cylinder engine four cylinders of which line up in order of cylinder #1, cylinder #2, cylinder #3 and cylinder #4, temperature rise performance of a manifold catalyst improves by shortening a total length of the exhaust manifold while preventing exhaust gas interference between the cylinders. Therefore, an exhaust manifold branch of cylinder #1 and an exhaust manifold branch of cylinder #4 in outward sides of the engine that are not fired in succession are made convergent with its convergence angle theta1 being equal to or below 20 degrees to form a first convergent exhaust manifold branch and an exhaust manifold branch of cylinder #2 and an exhaust manifold branch of cylinder #3 between the cylinder #1 and cylinder #4 that are not fired in succession are made convergent at a minimum distance having a laterally projected shape to form a second convergent exhaust manifold branch. The first and the second convergent exhaust manifold branches are thereafter convergent at a convergence angle theta3 from 0 degrees to 20 degrees.

The invention discloses a terminal support and a terminal. The terminal support comprises a casting frame and a heat conduction layer, wherein the heat conduction layer is embedded into the casting frame, one or more cooling regions are arranged on a surface of the casting frame, and heat conduction grooves are formed in the cooling regions and communicate with the heat conduction layer and the exterior space of the casting frame. Heat is rapidly transferred to a region except the cooling regions of the casting frame by the heat conduction layer, large-area cooling is achieved, the heat conduction efficiency of the terminal support is indirectly improved, excessively high local temperature of the terminal support is prevented, the whole temperature rising effect of the terminal support isimproved, and the whole temperature rising effect of the terminal is further improved.

The invention belongs to the technical field of combustion gas turbine whirling device design, and particularly relates to a three-stage whirling device. The three-stage whirling device comprises a first-stage whirling device, a second-stage whirling device and a third-stage whirling device; the second-stage whirling device sleeves the periphery of the first-stage whirling device, and the first-stage whirling device is connected with a fuel oil nozzle; the third-stage whirling device sleeves the periphery of the second-stage whirling device and is connected with a flame tube, wherein the first-stage whirling device and the second-stage whirling device are used for inletting air into the flame tube, and the air is called backflow air; the backflow air is used for atomizing fuel oil ejectedinto the flame tube through the fuel oil nozzle and generating backflow areas in the flame tube; the third-stage whirling device can inlet air into the flame tube, and the air is called mixing air; and the mixing air flows along the inner wall of the flame tube and enters in a main combustion area of the flame tube from the periphery and the rear part of the main combustion area.

The invention discloses a winding structure of a four-path parallel flat wire motor, which comprises a stator core, and is characterized in that wire slots are formed in a tooth part of the stator core; flat copper wires are embedded into the corresponding wire slots according to a three-phase winding distribution method, and 48 wire slots are formed; each wire slot includes wire layers of eight flat wires, the flat copper wires are sequentially stacked and embedded in the radial direction of the stator core to form a winding, and the wire layers are sorted in an ascending order in the direction away from the circle center; each phase of the winding comprises different parallel branches; each branch is provided with an output end and an input end; and each parallel branch enters and exitsfrom adjacent wire layers between different wire slots in sequence from the input end, the embedded position of the input end is taken as a sequence 1, the embedded position of the output end is takenas a sequence 32, and each passing embedded position is labeled in sequence. The structure does not generate circulating current, widens the selection space of the number of turns of windings and thenumber of parallel branches in the motor scheme design stage, facilitates the optimization of the motor design scheme, and better meets the requirements of motor performance and temperature rise.

A spark plug is provided capable of speedily burn off carbon adhered on an insulator. With this spark plug, in order to improve the temperature rise performance of a front end side of an insulator 10, an amount of protrusion H (mm) of the insulator 10, a front-end side volume Vi (mm3) of the insulator 10, and a front-end side volume Vc (mm3) of a center electrode 20 are respectively defined. In consequence, it is possible to improve the recovery property of carbon fouling while retaining the voltage resistance of the insulator 10 and the durability of the center electrode 20. In addition, since the recovery property of carbon fouling improves, it is possible to prevent the occurrence of side sparks generated from the center electrode 20 to a metal shell 50 along the insulator 10, thereby making it possible to stably ensure proper ignition of an air-fuel mixture.

The invention discloses an air conditioner. The air conditioner comprises a machine shell, a main air deflector and a heat exchanger. An air inlet is formed in the machine shell, and an air outlet isformed in the bottom of the machine shell. A flow guiding bevel is arranged at the bottom of the machine shell. The flow guiding bevel upwards obliquely extends in the direction from the air outlet tothe side wall of the machine shell. The main air deflector is used for opening and closing the air outlet. The main air deflector is rotationally arranged at the position of the air outlet, and the heat exchanger is arranged in the machine shell. According to the air conditioner, the installing height of the air conditioner can be increased, and meanwhile the air supply effect can be guaranteed.Accordingly, the indoor space utilization rate is increased, the flow guiding bevel upwards obliquely extending is arranged at the bottom of the machine shell, cold air can be blown upwards in a refrigeration mode, and the comfort of the air conditioner is further improved.

The invention discloses a variable turn-number flat-wire motor stator winding. The variable turn-number flat-wire motor stator winding comprises a stator iron core and all phase coils which are wound around the stator iron core through the adoption of flat wires, the phase coils are all wound by no less than two flat wires, the variable turn-number flat-wire motor stator winding further comprises a winding wiring switch device for switching wiring modes of each flat wire of the phase coils, and the wiring modes of each flat wire of the phase coils comprises a one-path series connection mode and a multi-path parallel connection mode. According to the variable turn-number flat-wire motor stator winding, the wire outlet end of the stator winding is always kept as a 'star' connection, a reasonable stator winding structure and the switching device are arranged to achieve that the turn number of the winding is large when a more is at a low speed and the winding is switched to be in a state of small turn number when the motor is at a high speed, the greater low-speed output torque and higher high-speed output power of the motor are achieved, and therefore the motor efficiency is improved, the temperature rising performance of the motor is improved, when the winding is in the states of one-path series connection and two-path parallel connection, all winding coils are utilized, and the waste of materials and space is avoided.

A fixing device according to the present invention includes a fixing belt (22), a pressuring member (23), a heat source (24), a reflecting member (25) reflecting the radiant heat radiated from the heat source (24) to an inner circumference face of the fixing belt (22), a pressing member (27) pressing the fixing belt (22) to a side of the pressuring member (23) and a supporting member (26) supporting the pressing member (27). The reflecting member (25) is arranged between the heat source (24) and the supporting member (26) and configured to be curved or bent so as to project toward a side of the heat source (24). Straight lines (L) connecting a center (Z) of the heat source (24) with both end parts of the supporting member (26) in a conveying direction of a recording medium pass through the reflecting member (25).

The invention relates to a super ultrahigh efficient 5,500W four-grade energy-saving environmental-friendly electric motor which is characterized in that the inner and outer diameters and length sizes of stator and rotor cores, groove shapes and sizes of a stator and a rotor and a number of grooves are subjected to integral coordination design, so that loss of the stator, the rotor and the cores is greatly reduced; then punching holes are additionally formed in stator and rotor punches to form core hole passages, so that heat temperature convection in the motor is increased and temperature rise is reduced and retarded; specially-made rotor cast aluminium is adopted so as to effectively improve electric conductivity and a heat dissipation effect; a stator winding is tapped at the one second position of a coil so as to greatly reduce loss of a harmonic component, thereby further reducing iron loss and copper loss. A comprehensive effect of various schemes greatly reduces electric energy loss, so that on the premise of stabilizing an output power of the product into 5.5 kW, the input power of the product is only 5.962kW and energy conversion efficiency of the product reaches 92.3 percent, exceeds the national YE 4-grade energy efficiency standard which is the highest grade energy efficiency standard, also exceeds the international IE 4-grade standard which is the highest grade standard and reaches the international advanced level.

The invention discloses a multifunctional processing system of a breaker contact terminal. The multifunctional processing system is orderly provided with an upper electrode pressurizing mechanism, a middle electrode assembly, a clamping mechanism and a lower electrode assembly from top to bottom, and the middle electrode assembly is upwards faced to the upper electrode pressurizing mechanism; a middle electrode in the middle electrode assembly is downwards aligned with the lower electrode assembly; the clamping mechanism is arranged between the middle electrode assembly and the lower electrode assembly; the upper electrode, the middle electrode and the lower electrode are respectively connected with a power supply mechanism. The multifunctional processing system is applicable to automatically process a smart or framework type and high-capacity breakers, and breaker contact terminals with single power source and double power sources; the multifunctional processing system can improve and enhance the breaker's ability of temperature rise in the course of instantly tolerating current, breaking short-circuit current and bearing current when the breaker is short-circuited; moreover, the multifunctional processing system is a clamp for holding tablet type moving contact flexible connection and busbar, and can realize the multifunctional welding process of a long weld seam, multi-slot weld seam, and ultra-large conductive contact system.

The invention discloses a super ultra efficient 2.2 kW energy-saving and environment-friendly motor with six poles. The motor is characterized in that the inner and outer diameters and lengths of stator and rotor iron cores, and the shapes, sizes and number of slots in a stator and a rotor are designed in a coordinated mode on the whole, and losses of the stator, the rotor and the iron cores are greatly reduced; punching holes are additionally formed in stator and rotor sheets to form iron core hole channels, heat and temperature convection inside the motor is increased, and temperature rise is reduced and relieved; specially-made rotor cast aluminum is adopted for effectively improving the electric conductivity and the radiating effect; tapping is carried out on the middle of a coil of a stator winding, harmonic component losses are greatly reduced, and then iron losses and copper losses are reduced. According to the synthesizing effect of various schemes, electric energy losses are greatly reduced, the input power of the motor only needs 2.516 kW on the premise that the output power of the motor is stabilized to be 2.2 kW, energy conversion efficiency reaches 87.5% which exceeds the national highest level YE4-grade energy efficiency standard and also exceeds the international highest level IE4-grade standard, and the motor reaches the international advanced level.

The invention provides a technique for producing a hot-plate used by chemical industry and relates to a producing technique of chemical members. The processing method is characterized in that: circulation channels for heating steam is milled out on the parent material of the hot-plate by utilizing a milling cutter, the inlets and the outlets for heating steam are processed by utilizing an ordinary drilling machine to form complete steam circulating passages with the heating steam circulation channels in the plate; cover plates are utilized for making up open parts formed by milling the steam channels by the milling cutter and are combined with the parent material of the hot-plate; the borders where the parent material of the hot-plate and the cover plates are combined are welded so as to lead the channels in the plate to form a whole; the bulkheads of the milled heating steam circulation channels are provided with sealing gaskets; the distance between the channels are regulated, or the trend and the circulation circuit of the channels are regulated so as to ensure the uniformity of the temperature of the hot-plate structure. The invention has simple processing technique, low requirements on processing devices and is advantageous for popularization and convenient for maintenance and inspection in plants.

A honeycomb structure includes a pillar-shaped honeycomb structure body having porous partition walls surrounding a plurality of cells which extend from a first to a second end face and which form flow channels of a fluid, and a circumferential wall enclosing the partition walls, wherein, specific cell of the cells is provided with a pair of projection which projects into the cell from the partition wall, the projection projects, in at least a pair of opposed partition walls among the partition walls constituting the cell, into the cell from a first and a second side, and which is provided continuously in a direction the cell extends, and in the case where the width of a top part of the projection is denoted by W1, and the width of a bottom part of the projection is denoted by W2, W1>W2 holds, and W2 / W1 is 0.5 to 0.9.

The invention provides a vacuum switch module for a nitrogen insulated ring main unit. The layout and installation of the vacuum switching module in the nitrogen insulated ring main unit are greatly optimized, and a small-sized and compact vacuum switch is provided under the premise of satisfying insulation and temperature rising requirement. The vacuum switch module comprises a vacuum arc extinguish chamber, a metal mounting frame, an insulating supporting plate, a supporting column insulator, a fixed frame and a contact spring system, wherein the insulating supporting plate is horizontally fixed at the upper part of the metal mounting frame; the upper end of the vacuum arc extinguish chamber is perpendicularly fixed on the lower part of the insulating supporting plate while the lower end is fixedly arranged on the fixed frame; the fixed plane of the metal mounting frame and the insulating supporting plate is lower than the upper plane where the vacuum arc extinguish chamber and the insulating supporting plate are fixed; the contact spring system is mounted in the fixed frame and used for connecting a movable contact of the vacuum arc extinguish chamber to supply operating power; and one end of the supporting column insulator is fixed on one side of the metal mounting frame while the other end is fixed on the fixed frame.

The invention relates to a method and system for improving target frequency control precision of a compressor after defrosting of an air conditioner. The method includes the steps that an outdoor environment temperature T0 of the air conditioner before defrosting is detected; an outdoor environment temperature T1 of the air conditioner after defrosting is conducted and before the air conditioner starts heating again is detected; the outdoor environment temperature difference delta T is calculated as T1-T0; the delta T is compared with a preset value A, a target frequency of the compressor is determined according to a comparison result; if delta T is larger than or equal to A, the target frequency of the compressor is the frequency corresponding to T1; if delta T is smaller than A, the target frequency of the compressor is the frequency corresponding to T0. By means of the method and system, influences of heating of an outdoor heat exchanger on an outdoor environment temperature detection unit during defrosting can be effectively prevented, so that the target frequency of the compressor is more accurate when the air conditioner starts heating again, and the temperature raising effect of the air conditioner can be effectively improved after defrosting is carried out and after the air conditioner starts heating again.

A honeycomb filter includes a pillar-shaped honeycomb structure having porous partition walls placed, surrounding a plurality of cells which serve as fluid through channels extending from an inflow end face to an outflow end face; and porous plugging portions provided either at the ends on the inflow end face side of the cells or at the ends on the outflow end face side of the cells, wherein the plugging portions include plugging portions that have voids therein, and in the plugging portions having the voids, porosity including the voids as pores ranges from 68% to 83%.

A wheel-side reduction axle provided with an oil returning groove and an oil stopping groove comprises an axle housing, a central reducer unit and a half axle, wherein the central reducer unit and the half axle are arranged in the axle housing; the central reducer unit comprises a driving gear and a driven gear; the left end of the central reducer unit is connected with a left wheel-side reducer through the half axle, and the right end of the central reducer unit is connected with a right wheel-side reducer through the half axle; the axle housing comprises an axle casing and axle tubes arranged at two ends of the axle casing; the oil returning groove is formed in an upper cover plate of the axle casing; a rear cover, connected with the axle casing, of the axle housing, is arranged at the rear end of the axle casing; the oil stopping groove is formed in the rear cover of the rear cover of the axle housing; the oil returning groove and the oil stopping groove are integrally casted and formed with the axle housing. The wheel-side reduction axle provided with the oil returning groove and the oil stopping groove has a good effect on reducing the temperature increase of wheel-side reducers, and is simple and convenient to process, and low in manufacturing cost.

The invention provides a plug-in base of a molded case circuit breaker. The molded case circuit breaker can be connected with and disconnected from an electric loop in a plugging manner through the plug-in base. In order to achieve the purpose, the plug-in base of the molded case circuit breaker is designed and comprises a plug, a fixing column, a cover, a base shell, an outer busbar, a fixing angle plate, a flexible connector, a pressing plate, a limiting rod and an elastic piece, wherein the flexible connector and the outer busbar are fixed to form a connector, and the connector penetrates through and is installed in an installation base shell and is buckled and fixed through a cover. The flexible connector is arranged in the connector, and the flexible connector can be aligned with a connecting hole in the cover while moving up and down in the base shell through a pressing plate guide groove and a limiting characteristic in the base shell, so that when the plug is connected with the flexible connector, the plug can be automatically adjusted to be aligned with the flexible connector, push and compress the elastic piece and generate clamping force, and the flexible connector and the plug are tightly attached and clamped. The plug-in base has the characteristics of reliable contact, large clamping force, large contact area, low energy consumption, low copper consumption and the like.