693results about How to "Achieve compactness" patented technology

The invention has an object to provide an insulation gate type semiconductor device and a method for producing the same in which high breakdown voltage and compactness are achieved. The semiconductor device has a gate trench and a P floating region formed in the cell area and has a terminal trench and a P floating region formed in the terminal area. In addition, a terminal trench of three terminal trenches has a structure similar to that of the gate trench, and the other terminal trenches have a structure in which an insulation substance such as oxide silicon is filled. Also, the P floating region 51 is an area formed by implanting impurities from the bottom surface of the gate trench, and the P floating region is an area formed by implanting impurities from the bottom surface of the terminal trench.

The invention relates to an integrated diffusion oriented combustion chamber which adopts a full ring combustion chamber structure. The integrated diffusion oriented combustion chamber mainly comprises a crankcase, a combustion liner and an oriented diffuser. The oriented diffuser realizes pneumatic and structural coupling, controls the tangential flow direction and carries out diffusion and speedreduction, and a local return low-speed zone is formed, thereby being good for flame linkage and tangential stable combustion; grading combustion is adopted, and a pre-combustion grade can be selected to work alone and work together with a main pre-combustion grade according to work conditions; the pre-combustion grade utilizes the trapped vortex combustion technology for stable work, goes into amain combustion zone to inflame a main combustion grade through a contraction outlet, and provides a stable ignition source for the main combustion grade; fuel of the main combustion grade is injected to a main combustion grade airflow in the oriented diffuser, atomization evaporation mixing with short distance is realized, and combustible mixture gas with uniform mixing is provided for the maincombustion zone. The invention allows tangential rotational flow of a gas compressor to directly go into the combustion chamber so as to realize tangential highly efficient and stable combustion; in addition, the discharge of pollutants is low, pre-rotation is provided for a turbine, the structure can be simplified, the weight is lightened, and the densification of a gas turbine is realized.

The invention discloses a snakelike mechanical arm, wherein a rigid rod is taken as a central strut, a flexible rope is adopted for driving, a power supply and a driver are arranged on a snakelike arm base, and the snakelike mechanical arm has the advantages of compact structure, strong flexibility and large rigidity. Different actuators or sensors are arranged on a tail end of the snakelike mechanical arm so as to complete different operation tasks, such as detection of non-structural narrow spaces of cabins, carriages and the like, as well as gluing, detection, chip removal, redundancy pickup and the like of inner cavities of airplanes.

According to the invention, this air conditioner includes an air regulating portion that absorbs indoor air and discharges the air to the outdoor after regulation; an infrared sensor module disposed above said air regulating portion; a control portion that controls said air regulating portion based on a detection result from said infrared sensor module, and includes a substrate; an infrared sensor disposed on said substrate; a shell combined with said substrate; and a shell rotary mechanism that rotates said shell. According to this air conditioner provided in this invention, it is provided with high precision for human body detection, also, the infrared sensor, together with the substrate, is integrated with the shell; therefore, the air conditioner is impact and simplified.

The invention provides a sliding york which can process stretching movement swimmingly and reduce cost even if a carry object has heavy weight or stretching stroke. The sliding york apparatus (1) includes a fixing york (11), a middle york (21) supported to slide along length direction relative to the fixing york (11), and a front york (31) supported to slide along length direction relative to the middle york (21). A drive pinion driven by a rotary drive device (2) mounted on the fixing york (11) engages with a rack (22) mounted on the middle york (21) in the sliding york apparatus (1). All movable yorks (the middle york (21) and the front york (31)) are driven directly by the rotary drive device (2).

A linear compressor is provided. The linear compressor may include a shell having a cylindrical shape, a shell cover that covers both open ends of the shell, a cylinder accommodated into the shell and defining a compression space for a refrigerant, a piston that reciprocates within the cylinder in an axial direction to compress the refrigerant within the compression space, a motor assembly including a motor that provides power to the piston and a stator cover that supports the motor, and resonant springs seated on the stator cover that support the piston to allow the piston to perform a resonant motion. The resonant springs may be circularly arranged at three points having a same interval around a center in an axial direction.

The invention relates to a microwave preparation method of an anti-oxidation coating made of a carbon-based material, in particular to a substrate material which may be a carbon material, a C/C composite material or a C/SiC composite material. In the invention, slurry prepared by using Si compounds is coated on the carbon-based material, which is subjected to surface treatment, by a brush or immersion, then the carbon-based material is buried in graphite powder in a corundum crucible, the corundum crucible is placed in microwaves to be heated, the pre-heating, heating and temperature preservation are performed by stepwise regulating the power of a microwave oven, and thus, an anti-oxidation single-layer coating is obtained; on this basis, a composite coating of oxides, silicides and the like can be obtained. In the invention, microwaves act directly on the carbon-based material and the carbon-based material, after absorbing the microwaves, generate heat raises the temperature to a required temperature, so that the coating and a substrate are bonded and a protective coating with high protective performance is obtained; and as aluminum powder is added as a SiC sintering aid, the compaction of the SiC is promoted by the silicon aluminum alloy produced by the low-melting-point aluminum and part of molten silicon.

A line sensor that detects the edge position of a recording paper is provided on the upstream side of a transfer point where an image formed on a first photosensitive drum is transferred to the recording paper. When performing borderless image formation, the size of the image on the first photosensitive drum to be transferred to the midstream of the recording paper after detection of its edge position is changed to a smaller size based on the detection results by the line sensor, and subsequent image formation to the recording paper continues to be performed according to this image on the photosensitive drum whose size has been changed.

The invention discloses a multi-system community antenna, comprising a main antenna array which at least comprises two antenna array elements for sending and receiving communication signals at a first frequency band together, and the antenna array element is composed of at least two radiating units; at least a secondary antenna array which at least comprises one antenna array element for sending and receiving independent frequency bands different from the first frequency band, and the antenna array element is composed of at least two radiating units; and a shared reflecting plate for arranging the main antenna array and the secondary antenna array and being used as a shared reflector of the main antenna array and the secondary antenna array; in each antenna array element of the main antenna array and unequal phase distribution feeding is carried out between the radiating units. The multi-system community antenna realizes effective integration of the traditional base-station antennas and the TD-SCDMA intelligent antennas; in addition, the compaction of the antenna is realized on the premise of ensuring performance index, thus ensuring the safety and practicability of the community antenna.

A paste unit for pasting ACF (9) to the jut (2a) of the lower substrate (2) of the liquid crystal panel (1) is composed of a supply scroll (11) for supplying ACF adhesive tape (13), a cut-off unit (40) for the moving path of the ACF adhesive tape (13) supplied from the supply scroll (11), and a bonding head (47). The paste unit is installed on the bearing component (10), which is installed on the transport mechanism (36) driven by the guide screw (37), the liquid crystal panel (1) is loaded on the platform (25), so that the transport mechanism (36) is transported in the array direction of the electrode group (5) of the liquid crystal panel (1), the bearing component (10) installed with the paste unit is located in each interval of the paste part of the ACF (9), to paste the ACF (9).

There is provided an extremely safe electronic apparatus that is free from injury and the like, even when a user such as a baby and an infant handle the electronic apparatus. The electronic apparatus of the present invention is characterized by including a soft encasing body and a soft electronic component housed in the encasing body. In the present invention, since the encasing body is soft and the electronic component itself is soft, an impact of collision may be suppressed small. Further since the electronic component itself is soft, there is no necessity to enlarge the encasing body excessively, thereby enabling to advance miniaturization and reduction of weight of the electronic apparatus of the present invention.

The invention provides a multifrequency terminal antenna used for a full-metal housing, and belongs to the technical field of an antenna. The antenna comprises a metal housing arranged on the back surface of a system circuit board, a feed network and gaps arranged on the front surface of the system circuit board. The metal housing is on the back surface of the system circuit board, and the metal housing is provided with a double-end opening gap and a single-end opening gap. Feed branches matched with feed ports in the feed network respectively cross the above two gaps. Stimulation gaps form multi-frequency-point resonance. Through improvement that a U-shaped folded metal sheet loading on the double-end opening gap, a three-dimensional structure which is different from an existing two-dimensional slot antenna is formed, used to cover more frequency bands. The antenna solves problems that performance of the antenna is damaged caused by coexistence of the antenna and the large-area metal housing, and improves intensity, texture, and aesthetic perception of a terminal device.

A surveillance system having two specialized surveillance cameras with corresponding specialized illuminators is provided in a dual compartment container that eliminates internal light reflection problems by separating each camera and corresponding illuminator while combining each camera with an alternate illuminator, rendering the system more accurate, yet more compact and suited to unobtrusive placement. Considerable heat is generated by the specialized illuminators, requiring a heat sink to preserve illuminator life expectancy and to prevent the adjacent cameras from being adversely affected by the heat. Another feature enabling the system to work in its compact form despite the heat from the illuminators is that the protective case itself is adapted to be a heat sink for the illuminators.

A liquid crystal display device comprises a liquid crystal panel, a flexible printed circuit (FPC) film connecting to the liquid crystal panel, and a plurality of driver IC chips formed on the liquid crystal panel directly. The present invention is characterized in that a power circuit, a gamma compensating circuit and a ground circuit are formed on the FPC film and are electrically connected to each of the driver IC chips respectively and that the driver IC chips are formed on the glass substrate of the liquid crystal panel directly to save the space of the PCB and lower the cost.

The invention discloses a mixing combustion guide coupling structure of a combustion chamber, which mainly comprises an outer receiver, an inner receiver, an outer flame tube, an inner flame tube and a turbine guider blade, wherein the turbine guider blade positioned at the downstream of mixing holes of the outer flame tube and the inner flame tube realizes coupling design of mixing, combusting, guiding and cooling, namely, mixing and combustion of mixing airflow and high-temperature fuel are realized, and temperature distribution of the outlet of the combustion chamber is regulated; guide diffusion of airflow at the outlet of the combustion is realized, tangential airflow conditions are provided for a high-pressure turbine moving blade; and mixing airflow facing to the turbine guider blade provides external cooling air for the turbine guider blade, therefore working environment of the turbine guider blade is improved and cooling effect is enhanced. Cooling air inside the turbine guider blade enters from an annular cavity of the combustion chamber, therefore structure design of a cooling air channel of a turbine guider is simplified and consumption of cooling air of the turbine guider is reduced.

The disclosed serpentine heat exchanger for an air conditioner effectively minimizes losses in heat-exchange performance due to condensation and is capable of adequately accommodating efforts to reduce the size of air conditioners. Said serpentine heat exchanger (10) comprises a plurality of fin groups (14) and a heat-exchanger pipe (16). Each fin group (14) is formed by arranging a large number of fins (12), each comprising a metal plate with a prescribed coating layer formed on at least one surface, parallel to each other at intervals of 0.6-5.0 mm in a direction (y direction) perpendicular to the direction (x direction) in which a heat-exchange fluid, namely air, flows. The plurality of fin groups (14) are arranged in a row at a constant distance from each other in a direction (z direction) perpendicular to the x direction and the y direction. The heat-exchanger pipe (16) is laid out in a serpentine configuration so as to penetrate each fin group (14) in turn.

The invention discloses a high-speed turnout switch tie for speed of 350km per hour and a manufacturing method thereof. The method comprises the following steps of: 1, installing a template; 2, laying steel wires; 3, laying end plates; 4, installing sleeves and laying separators; 5, laying fittings; 6, starting a computer to automatically control the tensioned steel wires; 7, performing final tension; 8, fastening the separators, and binding the fittings; 9, putting an ash bucket and concrete into a die; 10, vibrating; 11, detaching the separators and partition plates; 12, clearing the production line; 13, curing; 14, performing concrete stripping; 15, tensioning; 16, breaking the wires, and stripping; 17, spraying, treating the sleeves, and cutting the exposed ribs; 18, clearing the die and the parting agent; and 19, warehousing. Accurate control of distribution quantity, uniform distribution and high speed are realized, stirring uniformity and concrete compactness are realized in automatic distribution, and the strength of the switch die is ensured.

The invention aims to provide a transplanter which transplants more than three lines of transplanted object plant. The transplanter can configure all seedling falling feeding positions at a linear part and separately inserts the seedlings in an expected transplanting line distance. The transplanter is configured in a manner which is characterized in that: upper dead point falling supplying positions (31b,31c), an upper moving falling supplying position (31a) and a lower moving falling supplying position (31d) are configured at a linear part (28) which surrounds a moving path; at the upper dead point falling supplying positions (31b,31c), when a transplanting device arrives at an upper dead point or a position which is next to the upper dead point, the transplanting object plant falls and is supplied to the transplanting device; at the upper moving falling supplying position (31a), at the time when the transplanting device upwards moves to the upper dead point, the transplanting object plant falls and is supplied to the transplanting device; and at the lower moving falling supplying position (31d), at the time when the transplanting device downwards moves through the upper dead point, the transplanting object plant falls and is supplied to the transplanting device.

A current mode dual-slope temperature-to-digital conversion device is disclosed. The conversion device comprises a temperature dependent current source and a reference current source. Firstly, a capacitor is charged by the temperature dependent current source. Next, the capacitor is discharged by the reference current source. The capacitor is coupled to at least one trigger, and the trigger sends out a first digital signal to a logic controller by the voltage of the capacitor. Then, the logic controller sends out a second digital signal to a time-to-digital converter according to the first digital signal. When the capacitor is discharged by the reference current source and before the first digital signal is varied, the converter receives the second digital signal and a clock signal to generate a corresponding digital output value. The present invention achieves the requirement of the high linearity resolution with the dual-slope architecture lest the curvature effect resulted from the time-domain circuit be occurred.

The invention relates to a ceramic/metal high-temperature packaging material of a gradient structure. A ceramic material comprises one or a plurality of nitrides (A1N, Si3N4, BN and the like), carbides (SiC, ZrC, TiC and the like) and oxides (Al2O3, SiO2, ZrO2 and the like). A metal material comprises one of high-melting-point metals, such as W, Mo, Ta, Cr and Nb. The preparing method of the material comprises the following steps: fully mixing required metal and ceramic powder according to designed gradient components, gradient layer number and the content of each component in each layer so asto obtain required raw materials for each gradient layer; stacking all layers and carrying out pressing forming; enabling the mass percent of ceramic powder to symmetrically and continuously vary ina gradient manner between 100 % and 0 % from the inner side to the outer side in the axial direction; utilizing a powder metallurgy and hot pressing co-firing technology, and finally obtaining the ceramic/metal high-temperature packaging material of the gradient structure. The helium leakage rate is smaller than 1x10<-11> Pa.m<3>/s, the bending strength is larger than 200Mpa, and the electric resistivity is larger than 6x10<9> omega.cm.