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31results about How to "Suppress temperature unevenness" patented technology

Susceptor For Vapor-Phase Growth Reactor

InactiveUS20080110401A1Avoid radiationPreventing growth unevenness of an epitaxial layerSemiconductor/solid-state device manufacturingFrom chemically reactive gasesSusceptorGas phase
In a susceptor (10) having a wafer pocket (101) for receiving a wafer W at the time of vapor-phase growth, the wafer pocket has at least a first pocket portion (102) for loading an outer circumferential portion of the wafer and a second pocket portion (103) formed to be lower than the first pocket and having a smaller diameter than that of the first pocket portion, and a fluid passage (105) having one end (105a) opening on a vertical wall (103a) of said second pocket portion and the other end (105b) opening on a back surface (104) or a side surface (106) of the susceptor is formed.
Owner:SUMCO CORP

Inkjet print head and inkjet printing apparatus

A print head having high printing reliability, in which temperature unevenness is suppressed even when printing is performed using a print head having an increased length and density of an ejection opening array can be provided. Specifically, a temperature equalizing member such as a heat pipe and a cooling liquid passage is disposed between a first support substrate and each of second support substrates or is disposed inside the first support substrate. This makes it possible to equalize temperature among the plurality of second support substrates and further equalize temperature among the printing element substrates bonded to these support substrates. In addition, the temperature equalizing member is made close to the printing element substrate, thus making it possible to efficiently equalize temperature.
Owner:CANON KK

Fixing device and image forming apparatus including same

A fixing device includes a rotatable fixing member to rotate while contacting an unfixed image; a pressure member to form a fixing nip with the fixing member; a heating member having a plurality of heating elements divided in a direction perpendicular to a conveyance direction of a sheet; a heat performance sensor to detect heating performance of each heating element of the heating member, and an controller to control the heating member. The controller controls each heating element independently such that a temperature of a portion of the fixing member corresponding to a blank area becomes lower than the temperature of a portion of the fixing member corresponding to an image area; and controls the temperature to be maintained at each heating element based on the detection result of the heating performance of each heating element detected by the heat performance sensor.
Owner:RICOH KK

Honeycomb structure

A honeycomb structure includes a honeycomb structure body and a pair of electrode members, an electrical resistivity of the honeycomb structure body is from 1 to 200 Ωcm, each of the pair of electrode members is formed into a band-like shape extending in a cell extending direction of the honeycomb structure body, one electrode member is disposed on a side opposite to the other electrode member via a center of the honeycomb structure body, there are formed one or more electrode member slits as slits opened in an electrode member region, there are formed one or more honeycomb structure body slits as slits opened in a honeycomb structure body region, and a depth of at least one of the electrode member slits is deeper than a depth of at least one of the honeycomb structure body slits.
Owner:NGK INSULATORS LTD

Fixing apparatus and image forming apparatus

By controlling the temperature of a heating roller with high precision when in standby, good first-copy-out performance is obtained. In a fixing apparatus comprising a heating roller 1, a pressure roller 2, an induction coil 3a that generates magnetic flux, and a temperature detection member (such as a thermistor) 5 that detects the temperature of the heating roller 1, in which the heating roller 1 is caused to generated heat by generating an eddy current in a heat generating layer of the heating roller with magnetic flux generated by the induction coil 3a, the temperature of the heating roller 1 is controlled by disposing the temperature detection member 5 in a region where the maximum heat generating capacity of the heat generating portion of the heating roller 1 with induction heating is not less than 1 / e, and thus an unusual rise in the temperature of the heating roller 1 is suppressed.
Owner:SHARP KK

Weatherometer for solar cell plate

InactiveCN102721641AReduce the impactSuppression of variations in luminous efficiencyWeather/light/corrosion resistanceGas-discharge lampEngineering
The invention provides a new-structure weatherometer for a solar cell plate to alleviate the deviation of the lighting efficiency of a plurality of inert gas discharging lamps respectively, and the solar cell panel is maintained in the specified temperature condition without generating nonuniform temperature. The weatherometer for the solar cell plate is provided with the plurality of rod-shaped inert gas discharging lamps, an air supply mechanism, and a temperature adjusting mechanism; the discharging lamps are configured to be oppositely arranged by separating from the light emitting surface of the solar cell panel, and the central shafts of every two adjacent inert gas discharging lamps extend in mutual parallel; the air supply mechanism supplies air to the light emitting surface of the solar cell panel through the gap between every two adjacent inert gas discharging lamps; and the temperature adjusting mechanism adjusts the temperature of the cooling air supplied by the air supply mechanism.
Owner:USHIO DENKI KK

Solid oxide fuel cell device

The present invention is a solid oxide fuel cell device (1), having a fuel cell module (2) furnished with a plurality of fuel cell units (16); fuel supply means (38) for supplying fuel; generating oxidant gas supply means (45) for supplying oxidant gas for generation; combustion section placed at one end portion of the solid oxide fuel cell units for combusting fuel; and control means for controlling the fuel supply means and generating oxidant gas supply means, and executing the startup mode operation for raising the solid oxide fuel cell units to a predetermined temperature, as well as the generating mode operation for outputting electrical power; whereby during the startup mode operation, the control means generates a weak power smaller than the generation startup power, raising the temperature of the solid oxide fuel cell units by the heat of generation.
Owner:TOTO LTD

Indoor unit for air conditioner

This indoor unit for an air conditioner has: an air-blowing means for sending out air, which has undergone heat-exchange with a refrigerant, from an outlet to a space to be air-conditioned; a verticalairflow direction adjustment part that adjusts the vertical angle of the blowing direction of air sent out from the outlet; a horizontal airflow direction adjustment part that adjusts the horizontalangle of the blowing direction of air sent out from the outlet; and a control unit that controls the angles of the vertical airflow direction adjustment part and the horizontal airflow direction adjustment part. The space to be air-conditioned is divided into a plurality of areas, and the control unit controls the vertical airflow direction adjustment part and the horizontal airflow direction adjustment part to continuously change the vertical and horizontal angles, such that the air blowing direction is switched for each of the plurality of areas.
Owner:MITSUBISHI ELECTRIC CORP

Semiconductor Wafer Cooling Device

The invention relates to a semiconductor wafer cooling device and aims to provide the circumference inhibiting temperature deviation of a semiconductor wafer as a radiated object and cooling the semiconductor wafer at the same time. The semiconductor wafer cooling device is provided with a tray (1) having a carrying face for carrying the semiconductor wafer (10); a cooling channel (2) arranged in the tray (1) through which cooling medium cooling the semiconductor wafer (10) carried on the carrying face flows; and a vacuum channel (3) provided with an opening in the carrying face, arranged on the tray (1) and absorbing the semiconductor wafer (10) carried on the carrying face.
Owner:MITSUBISHI ELECTRIC CORP

Air Conditioning Units for Vehicles

The present invention provides an air-conditioning device for a vehicle, including: a housing having, therein, a mixing zone in which a first airflow and a second airflow are mixed, and a plurality of air-distribution openings communicated with the mixing zone and including a first air-distribution opening and a second air-distribution opening; and an air-distribution adjusting damper which is movable in the mixing zone, and adjusts according to its position a ratio of air-distribution to the first air-distribution opening and the second air-distribution opening, in which the air-distribution adjusting damper includes a guide path that communicates part of the second airflow with the first air-distribution opening without mixing the part of the second airflow with the first airflow.
Owner:MAHLE INT GMBH

Flow path switching valve

Provided is a flow path switching valve having a structure capable of easily managing the inclination of a housing during fusion welding. In a flow path switching valve (1), a valve shaft (40) attached to a ball valve element (20) is disposed across a valve body (10) and a gearbox (52). A driving part (60) for driving the ball valve element (20) to rotate through the valve shaft (40) is provided with a large-diameter gear (67) installed on a cylindrical part (41) of the valve shaft (40). The gearbox (52) has a bottom wall part (53) disposed so as to close the opening of the valve body (10); a bearing part (56) provided on the bottom wall part (53) and rotatably supporting the valve shaft (40); and a flat surface part (58a) provided on the inner surface (53b) of the bottom wall part (53) so as to correspond to the peripheral wall part (16) of the valve body (10).
Owner:FUJIKOKI MFG CO LTD +1

Induction heating cooker

This induction heating cooker is provided with: a top panel, on which a subject to be heated is to be placed; a first coil and a second coil, which are disposed below the top panel; a first inverter circuit that supplies power to the first coil; a second inverter circuit, which is separately provided from the first inverter circuit, and which supplies power to the second coil; a temperature detection device that detects a first upper surface temperature, i.e., the temperature of an upper surface of the subject, said upper surface being at a position above the first coil, and a second upper surface temperature, i.e., the temperature of an upper surface of the subject, said upper surface being at a position above the second coil; and a control device that controls the drive of the first inverter circuit and the second inverter circuit such that a difference between the first upper surface temperature and the second upper surface temperature is small.
Owner:MITSUBISHI ELECTRIC CORP +1

Solid-state oxide fuel cell

Provided is a solid-state oxide fuel cell with which it is possible, by alleviating unevenness in temperature in a reformer, to extend the life of the reformer or to prevent damage to the reformer. The present invention provides a solid-state oxide fuel cell (1), comprising: a fuel cell module (2); a reformer (20) which generates hydrogen by a POX step, an ATR step, and an SR step; a fuel supply device (38); an oxidant gas for reforming supply device (44); a water supply device (28); an oxidant gas for power generation supply device (45); and a control device (110) which executes the POX step, the ATR step, and the SR step in sequence in the reformer, increasing same to a temperature whereat power generation is possible in a predetermined temperature range, in line with temperature increases within the fuel cell module. The control device further comprises a local temperature increase alleviation circuit (110a) which alleviates local site temperature increases in the reformer in the POX step by generating steam reformation at local sites within the reformer.
Owner:TOTO LTD

Fixing apparatus and image forming apparatus

A fixing apparatus includes a heating rotator which generates heat with an induced current, an excitation coil arranged outside the heating rotator, a pressure roller which rotates with paper being held between the pressure roller and the heating rotator, the paper having a toner image developed thereon, and a relative position changer which changes a relative position of the excitation coil and the heating rotator to a first relative position when the toner image is being fixed to the paper and to a second relative position when the toner image is not being fixed to the paper. In a cross-section perpendicular to a rotation axis of the heating rotator, a distance from a point in an outer circumferential surface of the heating rotator closest to the pressure roller to the excitation coil is shorter at the second relative position than at the first relative position.
Owner:KONICA MINOLTA INC

Template, resin machine, and method for heating nozzle of template

The invention provides a template, a resin machine, and a nozzle heating method of the template. The template is provided with a nozzle group including a plurality of nozzles through which molten resin passes, and a heating medium guide part for guiding a heating medium for heating the nozzle wall of each nozzle. The heating medium guide portion has: an inlet for receiving the heating medium; an outlet through which the heating medium is discharged from the heating medium flow path; and a guide wall defining, together with the outer peripheral surface of the nozzle wall of each of the plurality of nozzles, a heating flow path connecting the inlet and the outlet. Accordingly, temperature unevenness of the nozzle can be restrained.
Owner:KOBE STEEL LTD
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