601results about How to "Uniform temperature distribution" patented technology

A shower head is provided, in a processing chamber in which a substrate is processed, to face a mounting table for mounting the substrate thereon. The shower head includes: a facing surface that faces the mounting table to supply a gas to the substrate in a form of shower through a plurality of gas injection holes formed on the facing surface; an opposing surface provided opposite to the facing surface; and a plurality of bar-shaped heat transfer columns standing on the opposing surface. Here, the heat transfer columns have varying lengths and/or thicknesses to adjust heat capacities thereof. The heat transfer columns are made of one of aluminum, stainless steel, and copper.

The substrate processing apparatus according to the present invention is aimed to stably and efficiently perform a deposition process on a substrate W. The substrate processing apparatus supports the substrate W in a position facing a heater portion and thus rotates a holding member holding the substrate W. Furthermore, the heating portion houses a SiC heater and a heat reflecting member in an internal portion of a quartz bell jar made of transparent quartz, and depressurizes an internal space of a processing vessel and an internal space of the quartz bell jar at the same time; thereby allowing the thickness of the quartz bell jar to be thinner, and thus improving thermal conductivity of heat from the SiC heater and preventing contamination by the SiC heater.

The present invention relates to a vapor heating type cooking apparatus cooking food materials using high pressure vapor as a heat source. A vapor heating type cooking apparatus includes: a vapor supply section generating the high pressure vapor; a vapor supply pipe and a vapor discharge pipe for introducing and discharging the high pressure vapor; a body section including a vapor introduction opening connected to the vapor supply pipe, an interior space having a dual structure so as to circulate the high pressure vapor in the caldron in which food materials are accommodated, a vapor discharge opening provided between the interior space and the vapor discharge pipe; a cooling water supply pipe and a hot water discharge pipe; a lid section including a cooling water introduction opening connected to the cooling water supply pipe, a storage space having a dual structure, in which the cooling water is temporarily stored, and a hot water discharge opening provided between the storage space and the hot water discharge pipe; and a control section for controlling introduction and discharge of the high pressure vapor, the cooling water, and the hot water.

Disclosed is a heat radiator which is provided in a transmissive display unit in which a plurality of rows of light emitting arrays constituted by arranging a plurality of light emitting units including a plurality of LEDs mounted on a wiring substrate are arranged on the back surface side of a transmissive display panel, and illuminating light emitted from the LEDs is irradiated onto the display panel. In the heat radiator, a radiation plate (28) supporting LEDs (18) and a heat sink (37) constitute an overlap area (57) with a back panel (13) interposed therebetween and are integrated with each other through the back panel by a fixing member in the overlap area. The back panel, radiation plate, and heat sink are firmly mounted to each other, achieving effective heat radiation.

The invention relates to a preparation method of a continuous fiber reinforced thermoplastic composite material prepreg and equipment thereof. The method comprises the following steps: (a) leading out and unfolding continuous fiber from a creel (10) to pass a tension adjusting device (20) and a static elimination device (30) in sequence, sending the fiber to a preheating oven (40) to preheat, and then passing a tension adjusting device (50); (b) leading a preheated continuous fiber band into a dual-extrusion die head set which can be opened and closed in a staggered manner to presoak; and (c) leading the presoaked continuous fiber band into a soaked rolling roll set (70) to soak, then cooling by a cooling roll-in device (80), and finally leading into a traction rolling device (90) for shaping by winding to obtain the product. Compared with the prior art, the invention significantly improve the dispersion, infiltrating property and operability of the fiber, and obtains the continuous fiber reinforced thermoplastic composite material prepreg which has uniformly dispersed and completely soaked fiber.

A method of exterminating organisms is provided utilizing heated circulating air. First, a determination is made as to which enclosed areas of the building or other structure are to undergo extermination. This step defines an application zone. Next, a desired elevated temperature limit is established for heated air that is to be circulated through the application zone. Heaters are provided in airflow communication with the application zone, and circulation fans are positioned throughout the application zone to move the heated air for proper heat distribution. The heaters utilize an amount of recirculated air already present in the application zone to cut down on the amount of energy needed to raise the air temperature within the application zone towards the desired elevated temperature limit, and to eliminate the need for high CFM airflow heaters to achieve air temperature elevation. The temperature at various nodes within the application zone may be monitored to allow personnel to redirect circulating airflow within the application zone to balance out areas of higher air temperature with areas of lower air temperature. The method takes advantage of convection heat transfer to raise the temperature evenly within an application zone, minimizing temperature stratification which could result in ineffective pest extermination and/or damage to equipment and facilities.

This invention provides a gas turbine combustor including: a main burner at a head portion of a combustor cylinder; and a pre-mixing type supplemental burner at a downstream portion of the combustor cylinder and extending through a circumferential wall thereof. The supplemental burner includes: an introducing passage configured to deflect a part of the compressed air radially inward, the compressed air flowing from an air passage between the circumferential wall of the combustor cylinder and a housing surrounding the circumferential wall toward the head portion of the combustor cylinder, and introduce the compressed air into the combustor cylinder; and a fuel nozzle configured to supply the fuel from fuel injection holes to the compressed air introduced into the introducing passage to produce a pre-mixed gas in the introducing passage.

A system for treating uterine disorders includes a catheter with a cannula having a proximal end and a distal end, and a degassing system in communication with the distal end of the cannula. The degassing system has a fluid insertion path having a first check valve and a gas filter, and a fluid extraction path that is separate from the fluid insertion path and includes a second check valve. The catheter may include an inflatable balloon secured to the distal end of the cannula with the degassing system in communication with the inflatable balloon. In one embodiment, a heating assembly is disposed inside the inflatable balloon for heating the fluid introduced into the balloon.

The invention provides a hot forming tool of a titanium alloy thin-wall part, comprising five parts, namely stretching equipment, a mould device, a blank, a power supply system and a temperature control system, wherein the mould device is arranged on a central worktable of the stretching equipment; the blank passes through a side wall crack of the mould device; an insulating and heat-insulation cushion layer is used for insulating the blank, a clamp of the stretching equipment, the surface of a mould and a tool of the mould; the power supply system is switched on to electrify an electrode clamping plate and generate a current in the blank; the blank is heated and the temperature of the blank is measured and controlled by the temperature control system; and after the temperature of the blank reaches a target temperature, the part is formed on the surface on the mould by the blank in an adhered manner through carrying out hot forming processes successively including stretching, covering, stretching, heat preservation and creep deformation and the like on the stretching equipment. A machining method of the hot forming tool of the titanium alloy thin-wall part comprises eight steps. According to the invention, the heating efficiency, the process integration, the material formation and the formation precision of the titanium alloy thin-wall part in manufacture are greatly improved, so that the hot forming tool of the titanium alloy thin-wall part and the machining method of the hot forming tool have a practical value and a popularization value.

The invention relates to a cavity type solar heat absorber provided with an optical window, which relates to the technical field of solar energy and aims to solve the problems that the solar energy radiant heat flows absorbed by the conventional solar heat absorber are not distributed evenly so that the heat absorber has an over-high local temperature and is easy to be burnt through. The cavity type solar heat absorber comprises the heat absorber and heat absorbing tubes; the heat absorbing tubes are coiled up on the internal wall of the heat absorber according to the shape of the inner cavity of the heat absorber; and the shape of the inner cavity of the heat absorber is semi-spherical. The cavity type solar heat absorber also comprises an upward convex optical glass body and a protecting sheet; the heat absorber is a hollow cavity body; the protecting sheet is annular and is fixed on an inlet of the heat absorber; the upward convex optical glass body is arranged on the protecting sheet; and an inlet surface of the upward convex optical glass body facing the heat absorber is a convex surface, while an inlet surface backing on to the heat absorber is a flat surface. The cavity type solar heat absorber can efficiently receive radiant heat and transfer heat to working fluids so as to reduce local high temperatures and thermal stress concentrations on the wall surfaces of the heat absorbing tubes. The cavity type solar heat absorber can be widely used in the field of solar heat absorbers.

The invention provides microwave-plasma chemical vapor deposition equipment. The microwave-plasma chemical vapor deposition equipment comprises a microwave source, a first waveguide tube, a microwave mode converter and a resonance device, wherein one end of the first waveguide tube is connected with the microwave source, and the other end of the first waveguide tube is connected with the microwave mode converter; the resonance device comprises a resonance cavity and a microwave gathering unit, the top of the resonance cavity is provided with a medium window, the microwave mode converter is located on the upper part of the medium window, can perform mode conversion on microwave from the microwave source, and can transfer the microwave to the resonance cavity through the medium window, a base is arranged in the resonance cavity, a substrate is supported on the base, the supported substrate can be located below the medium window due to the arrangement of the substrate, and the microwave gathering unit is arranged on the resonance cavity and can gather the microwave transferred to the resonance cavity on the substrate. According to the microwave-plasma chemical vapor deposition equipment, through the arrangement of the microwave gathering unit, the distribution area of a microwave electric field on the substrate is expanded, so that microwave energy can be better concentrated on the area above the substrate, and deposition of a large-area diamond film is facilitated.

The invention provides a gasification device and a gasification method for preparing hydrogen-rich synthetic gas from biomass. The device comprises a biomass feeder, a mixer, a pyrolysis chamber, a gasification chamber, a gasified gas separator, a combustion chamber, a flue gas separator, a bin and a butterfly valve. In the method, the biomass gasifying process is divided into three parts, namelybiomass pyrolysis, semicoke gasification and heat carrier circulation. Through the method and the device, the synthetic gas with the tar content less than 200mg/Nm<3> and the H2/CO ratio more than 1.1 can be obtained, and the energy utilization rate and the process economy are obviously improved.

A cooking apparatus to change the direction of hot air to be fed into a cooking chamber. The cooking apparatus includes a cooking chamber, a hot-air feeder to feed hot air into the cooking chamber, and an air-direction regulator to change a direction of the hot air fed from the hot-air feeder.

The tightly closed space of the stator consists of the stator chassis, the non-magnetic stainless steel isolated sleeve, the tightly closed end cap and the pressuring ring. The cooling loop consists of the liquid-lead groove between the stator core sections, the stator winding/ stator end winding, the stator vaporizing space and the air condenser (AC). Via the gas entering tube and the liquid returning tube, AC connects to the stator chassis to form a main cooling circle loop. The heat produced due to the consumption of the stator components transfers to the vaporization cooling media (VCM) to raise its temperature. When the temperature reaches the saturation value based on inner pressure, VCM in the capacitor vaporize and occur phase-changing decalescence, then cool down by AC and finally liquidize. The invention causes stator core temperature distributing evenly. Features are: safe and reliable, simple structure, small volume, and large power density.

A loop-type thermosiphon capable of stable operation regardless of fluctuation of heat load and a Stirling refrigerator using the same are provided. The loop-type thermosiphon transferring heat from a high-temperature heat source using a working fluid includes a evaporator having a heat absorption portion and evaporating the working fluid by depriving the high-temperature heat source of heat through the heat absorption portion, a condenser located above the high-temperature heat source and condensing the working fluid that has evaporated in the evaporator, and a pipe connecting the evaporator and the condenser so as to form a loop. In the loop-type thermosiphon, the working fluid that has passed through the condenser is brought in contact with the heat absorption portion before it is pooled in a liquid pool for the working fluid in the evaporator, so as to exchange heat with the same

The integrated thermoelectric module is formed of a set of thermoelectric elements, consisting of N type and P type conductor and/or semiconductor elements electrically connected in series and/or in parallel and thermally connected in parallel and assembled on flexible supports (11) of polymeric material, capable of electrically isolating said circuit, but having a high thermal conductivity efficiency. Each support (11) is connected to a heat exchanger (12) by means of connection materials (13) having low thermal impedance allowing optimum connection even at low adhesion pressures. The thermoelectric elements are distributed in its interior part so as to geometrically harmonize heat transferred from the integrated thermoelectric module with heat exchanged by the heat exchangers, thus making the temperature distribution on said exchangers as uniform as possible.

A reactor for processing semiconductor wafers and the like is provided. The reactor employs one or more rotating components to more evenly distribute temperature or gases within the chamber. In one embodiment, the reactor is provided with rotating reflectors, which reflect the heat generated from radiant heat lamps onto a stationary wafer in a reaction chamber. The rotation of the reflectors provides for a more uniform temperature distribution on the wafer. In another embodiment, the reaction chamber itself is rotated while the wafer is kept stationary. In another embodiment, a rotating showerhead is provided above the wafer through which gases flow to deposit onto the wafer in a uniform manner.

A method for calculating wind-sending personalized wind blowing angle of air conditioner includes measuring and confirming length, width and height of room to erect air conditioner; measuring and confirming X, Y and Z coordinate of room to erect air conditioner, measuring thickness of air conditioner and confirming wind blowing distance and height at most far point of wind blowing top point and bottom point when air conditioner is on refrigeration and on heating, calculating out personalized wind blowing above according to above measured and confirmed figures.

Cookware in the form of a grill plate, griddle plate, waffle iron, panini press or the like is made from a cast composite including a graphite core plate encapsulated within a cast metal shell of aluminum or stainless steel, and a method for manufacturing same.

A fuel nozzle for delivery of fuel to a gas turbine engine. The fuel nozzle includes an outer nozzle wall and a center body located centrally within the nozzle wall. A gap is defined between an inner wall surface of the nozzle wall and an outer body surface of the center body for providing fuel flow in a longitudinal direction from an inlet end to an outlet end of the fuel nozzle. A turbulating feature is defined on at least one of the central body and the inner wall for causing at least a portion of the fuel flow in the gap to flow transverse to the longitudinal direction. The gap is effective to provide a substantially uniform temperature distribution along the nozzle wall in the circumferential direction.

A black body assembly is provided for use in the calibration of infrared cameras. The assembly includes, among other things, a housing within which calibration components may be situated, and a lens guide for accurately positioning the assembly over a lens of the infrared camera. A heat emitter may be positioned within the housing for emitting a necessary amount of heat for calibration purposes. A heating element may also be provided within the housing for controlling the heating and cooling of the heat emitter. The assembly may also include a heat sink to remove excessive heat generated from the thermoelectric cooler during temperature cycling. An arm may be employed to hingedly connected to the assembly the camera to provide reliable and repeatable way to position the black body assembly at the front of the infrared lens. A method for calibrating an infrared camera is also provided.

The invention discloses a cladding light filtering structure for filtering out cladding light in a double-cladding or multi-cladding fiber laser system and a manufacturing method of the cladding light filtering structure. The cladding light filtering structure comprises an optical fiber and a filtering material coating layer, wherein a protective layer and an outer cladding layer of the optical fiber are removed, and a section of glass cladding layer is exposed. The refractive index of the filtering materials is higher than the refractive index of the outer cladding layer of the optical fiber, and the coating layer of the filtering materials is the filtering materials and is coated in a subsection mode. Due to the fact that refractive index, coating length and coating space of the filtering materials are matched, filtering quantity of all sections is roughly the same, highest temperature jump of an optical filter in a working state is reduced, reliability of the system is improved, and the more the subsections and the types of the materials are, the better the effect is.

The invention relates to a proton exchange membrane fuel cell capable of quickly starting below zero DEG C, which comprises a bipolar plate, an electrode, a collector plate and a terminal plate. Grooves are distributed on the side surface of the terminal plate which is closed to the collector plate, electric heating wires are laid in the grooves in a sealing way, the planes of the sealing fillers of the sealed electric heating wires are flush with the surface of the terminal plate, and the electric heating wires are connected with an external power source. During the cold-starting process, the set of cells assembled through the terminal plate has the advantages that the internal temperature of the fuel cell is more uniformly distributed, and the rapid successful starting of the fuel cell can be ensured at a lower temperature.

The invention provides a control method of an air conditioner, a control system of the air conditioner, and the air conditioner. The control method of the air conditioner comprises the following steps: after a fan of the air conditioner operates at a default rotational speed for preset time, judging whether the working mode of the air conditioner is a refrigeration mode or a heating mode; if the working mode of the air conditioner is judged to be the refrigeration mode, judging whether a difference value between an environment temperature sensing and measuring value of an environment temperature measuring device and a preset environment temperature value is smaller than a first temperature difference value or not; when the difference value of the environment temperature sensing and measuring value and the preset environment temperature value is smaller the first temperature difference value, controlling the fan of the air conditioner to operate according to the first rotational speed, wherein a first rotational speed is greater than or equal to the default rotational speed. Through the adoption of the technical scheme, temperatures of different positions in a room are more uniform through the air conditioner in the refrigeration mode or the heating mode, so that the comfort degree of a user during using the air conditioner is improved, and the user experience is further improved.

The invention discloses a baking oven with a uniform large-air-volume hot air convection barbecuing function. The baking oven comprises a centrifugal fan which is arranged between a baking oven shell and a baking oven chamber and is positioned on the top of the baking oven chamber, a plurality of baking tubes which run through the baking oven chamber, and a grill arranged in the baking oven chamber, wherein air outlets and an air return outlet are formed on the top wall of the chamber; flow deflection fans which can circulate the heat on both sides in the chamber are arranged on left and right sides of the baking oven chamber between the baking oven shell and the baking oven chamber respectively; lateral air outlets and lateral air return outlets which correspond to the flow deflection fans are formed on the wall on left and right sides of the baking oven chamber. In the baking oven, the centrifugal fan blows air from the upper part, and cross flow fans blow air from both sides, so that the uniform large-air-volume hot air convection circulation is formed, the temperature is uniformly distributed, the heat exchange area for food is large, the utilization rate of the heat is high, and the baking oven is favorable for the baking of flaky and large food. The upper and lower parts of the baking oven chamber can ensure the uniform flow of hot air after a baking tray is placed. A setting mode of the cross flow fans can also be used for microwave ovens.

The present invention provides a ceramic substrate for use in an apparatus for manufacturing and inspecting semiconductors. The ceramic substrate comprises a through-hole having excellent tolerance performance against a drawing stress applied to an external terminal pin. The through-hole is provided with a projection which protrudes into the ceramic substrate made of aluminum nitride as primary component.

The invention relates to an evaporation-cooled device attached to the surface of a super computer. A condenser (15) is arranged at the top of a super computer cabinet; and a liquid collection header pipe (11) is positioned downmost the evaporation-cooled device. N cooling liquid boxes (9) are positioned between the liquid collection header pipe (11) and a steam collection header pipe (12). A steam outlet pipe (13) is positioned above the steam collection header pipe (12) and under the condenser (15). The steam collection header pipe (12) is connected with the condenser (15) through the steam outlet pipe (13), and the condenser (15) is connected with the liquid collection header pipe (11) through a liquid returning pipe (14). The cooling liquid boxes (9) are in tight contact with heating elements of the super computer, N liquid inlet pipes (7) contained on the N cooling liquid boxes (9) are respectively communicated with the liquid collection header pipe (11), and N steam outlet pipes (8) contained on the N cooling liquid boxes (9) are respectively communicated with the steam collection header pipe (12), thereby forming an enclosed circulation cooling loop. A plurality of liquid channels with inner cavity bodies mutually communicated are arranged in the cooling liquid boxes (9) connected in parallel on a liquid path.

A gas turbine fuel injector assembly including one or more dampers for damping vibration of one or more fuel conduits in the assembly. The dampers may at least partially surround the fuel conduits, and each damper has an intermediate portion that is bowed relative to axial end portions to form a pocket, which enables the damper to be free to flex radially for damping vibration experienced by the fuel conduit during operation. The damper may be a wire mesh damper formed with interwoven wires that are configured to move relative to each other in response to vibrational movement of the fuel conduit. The wire mesh damper also may enable fluids, such as gases or fuel, to flow through gaps in the wire mesh. The damper may support and damp individual fuel conduits, thereby enabling the fuel conduits to thermally expand independently of each other in the assembly.

The head slider has a plurality of heaters each heating a corresponding region of the ABS, and a sensor detecting collision of the ABS with a projection on a surface of the magnetic disk. Currents supplied to the respective heaters are controlled and produce heats independently of one another. The heats produce projections on the corresponding regions of the ABS, respectively. The ABS with asperity can be planarized through appropriately controlling magnitude of the currents supplied to the heaters. Thus, the variation of a sensor output depending on asperity of the ABS is effectively reduced. Another head slider has a heater locally heating a corresponding region of the ABS. The heater has a structure where a central portion is away from the ABS compared with end portions, or a structure where calorific power of a central portion is smaller than that of each of end portions. Thus, overall projection shape becomes flat.

The invention relates to a method for quickly thawing frozen pork, in which radio frequency equipment with the frequency of 27.12 MHz is employed to quickly thaw bulk frozen pork. The process is as follows: placing the bulk frozen pork in a space between two metal polar plates of the radio frequency equipment, setting a spacing between the polar plates, starting a radio frequency power supply to perform thawing, and stopping thawing when the temperature at the center of the bulk pork reaches -5-0 DEG C. With the adoption of the method, thawing can be quickly achieved, it only takes few tens of minutes to thaw thick bulk frozen pork, and furthermore, temperature distribution in the pork is uniform after thawing, and little thawing liquid is lost with few contaminant colonies.