135results about How to "Orientation" patented technology

The invention discloses a carbon-nanotube-assisted brazing method of a ceramic matrix fibre-woven composite and a metal material and relates to a brazing method of the fibre-woven composite and the metal material. The method aims at solving the problems of bad wettability of brazing filler metal to the surface of the composite and low joint strength in the existing brazing process of the ceramic matrix fibre-woven composite and the metal material. The method comprises the following steps of: (1) attaching a catalyst to the surface of the ceramic matrix fibre-woven composite; (2) regulating the reaction temperature, flow of H2 and CH4 and pressure, and preparing the ceramic matrix fibre-woven composite with the carbon-nanotube on the surface; and (3) feeding a vacuum brazing furnace for aninterface metallurgical reaction at the temperature between 800 and 950 DEG C and cooling to obtain a connection body of the ceramic matrix fibre-woven composite and the metal material. The joint shear strength of the connection body obtained in the method is improved by about five times to reach 15-31MPa compared with the joint shear strength of the connection body obtained by a direct connection method. The method is applicable to connection between the ceramic matrix fibre-woven composite and the metal material.

A ceramic sheet 20 is produced by a method in which inorganic particles including, as a main component, an oxide represented by general formula ABO₃ and containing a volatile component are mixed such that the A/B ratio is 1.05 or more, the inorganic particles are formed into a self-supported planar shaped body with a thickness of 30 μm or less, and the shaped body is fired, without an inactive layer or with an inactive layer which does not substantially react with the shaped body and is disposed adjacent to the shaped body, at a temperature-rising rate of 30° C./min or more in a temperature range which is equal to or higher than a temperature at which the volatile component is volatilized.

The invention discloses an airflow-guide-type directional in-situ electrostatic spraying device which comprises a spray gun, an injector and a high-voltage electrostatic generator. The spray gun comprises a spray gun handle and a spray gun pipe, a hollow metal capillary pipe coaxial with a spray gun sprayer is arranged in the spray gun pipe and communicated with the injector through a liquid incoming pipe, an annular passage formed between the spray gun pipe and the metal capillary pipe is an airflow passage, communicated with the spray gun handle and communicated with an airflow guide pipe through the spray gun handle, and a pipe cavity of the metal capillary pipe is connected with the high-voltage electrostatic generator through a guide line. Airflow of the airflow passage plays a role in orientation and constraining, ring wrapping effect and faraday cage effect are weakened, a spraying area is limited within a very small range, orientation and fixed-point spraying, of a drug solution, in a specific area are realized, and the drug solution is almost free of splashing, thereby being high in utilization rate and having better treatment effect.

The invention relates to a method preparing monocrystalline silicon carbide nano-wires on a flexible carbon fiber substrate. A carbon fiber cloth in the market is soft and curving, can be a carbon source required by the growth of silicon carbide nano-wires, and also can be used as a flexible substrate to deposit a silicon carbide nano-wire array, so a massive-growth monocrystalline silicon carbide nano-wire array is prepared on the flexible substrate through utilizing the above superior characteristics of the carbon fiber cloth. The method is characterized in that the method has the advantages of easily available raw material, low cost and simple technology; argon protects as an inert gas, flows or does not flows, and has no special requirements on reaction equipment, so any high-temperature furnace capable of heating can be used; the flexible carbon fiber cloth is adopted as the substrate to deposit the silicon carbide nano-wires, is also adopted as the carbon source, participates in the above reaction, and maintains a certain flexible property after the reaction; the carbon fiber can also be adopted as the flexible substrate to prepare other carbide nano-materials; and the grown silicon carbide nano-wires have the advantages of certain orientation, good crystallinity, and high yield.

The invention relates to a drilling jig device for a oblique oil hole of an inner ring double-flange roller bearing and a method for machining the oblique oil hole of the inner ring bearing through the oblique oil hole drilling jig, in particular to an oblique oil hole drilling jig and a method for machining an inner ring bearing oblique oil hole through the oblique oil hole drilling jig, and belongs to the field of mechanical bearing machining. The problem that in the oblique oil hole machining process in the prior art, the position of the hole and the perpendicularity requirement of drillingcan hardly be guaranteed, so that oblique oil hole machining is difficult is solved. The oblique oil hole drilling jig comprises a drilling jig body, a pressing plate, a nut and a bolt. A machining groove is formed in the upper surface of the drilling jig body, the bolt is vertically arranged in the machining groove, and the pressing plate and the nut sequentially sleeve the upper portion of thebolt. The drilling jig body is a column with an orthohexagonal cross section, and a guide through hole is formed in each of three non-adjacent outer walls of the drilling jig body.

The invention discloses an external rotor motor for driving an automobile cooling fan, which comprises a controller assembly, a conductive support, a PCBA board, an armature assembly and an external rotor assembly, wherein the conductive support comprises three mounting hole parts, the peripheries of the mounting hole parts are provided with terminal protection parts, and the terminal protection parts are connected with the mounting hole parts through connecting rods; the back of the connecting rod is provided with a positioning caulking groove, each mounting hole part is provided with a conductive connecting rod, the middle part of each conductive connecting rod is embedded in the positioning caulking groove, the tail end of each conductive connecting rod is a connecting terminal and is located in the corresponding terminal protection part, and the connecting terminals are inserted into the corresponding conductive holes in the PCBA board to be welded and fixed. The armature assembly is electrically connected with the PCBA board through the conductive connecting rod. The external rotor motor can effectively protect fallen soldering tin when the conductive connecting rod is welded, and avoids short circuit of the motor.

The invention belongs to the micro-nano material field, and relates to a micro-nano fiber with a curling secondary structure and a preparation method and applications thereof. In the invention, the micro-nano fiber with the curling secondary structure prepared by using a high-pressure electrostatic spinning process through transverse shear force produced by a turntable receiver and elasticity of a polymer fiber consists of polymer fiber bundles with the curling micro-nano secondary structure wound by more than one curling polymer fibers of same components or different components and more than one polymer fibers of same components or different components, wherein, the diameter of each polymer fiber in the curling polymer fibers and the polymer fibers is 0.5 to 1 Mu m; and the curling secondary structure curls along the length direction of the polymer fiber bundles and has certain orientation. The invention obtains the micro-nano fiber with the curling secondary structure by a one-step method, and has simple preparation technology and strong operability.

The invention relates to a system for determining a position by emitting a first laser beam (7) by a laser source (6) positioned in a reference system onto a detector (1) and simultaneously detecting the first laser beam (7) by the detector (1), thus defining an emission direction of the laser source (7). The detector (1) has a segmented detection area comprising a plurality of discrete partial detection areas (17), each having a defined partial detection direction and at least two partial detection directions thereof being different. When detecting the first laser beam (7), an impingement point (9) of the first laser beam (7) on the detector (1) is detected by means of at least one partial detection area (17), and when determining the incidence direction (10), said direction is derived from the at least one partial detection direction. The location of the detector (1) relative to the laser source (6) and the reference system is then determined using the emission direction and the incidence direction (10).

An aligned single-walled CNT aggregate which can readily be produced, whose specific surface are is high, whose individual carbon nanotubes (CNT) are aligned orderly, and whose bulk density is low whereby exhibiting a processability is provided. An aligned single-walled CNT aggregate should comprise a base material, fine particles of catalyst with a number density of 1 × 10 10 to 5 × 10 13 N/cm 2 disposed on this base material, and a plurality of single-walled CNTs which are grown from the fine particles of the catalyst, wherein the plurality of single-walled CNTs have a specific surface area of 600 m 2 /g to 2600 m 2 /g, and a weight density from 0.002 g/cm 3 to 0.2 g/cm 3 , and the alignment degree is defined by specific conditions.

The invention provides a double-sided dust removing device of furniture boards and relates to the technical field of furniture machining equipment. The double-sided dust removing device comprises a dust removing box; the side walls of the two ends of the dust removing box are opened; a board conveying apparatus is disposed at the bottom of the dust removing box in a penetrating mode; the board conveying apparatus comprises a conveying belt base; the conveying belt base is disposed at the bottom of the dust removing box; the two ends of the conveying belt base are located outside the two ends of the dust removing box correspondingly; a conveying belt installing groove is formed in the top surface of the conveying belt base; a conveying belt is fixedly disposed at the bottom in the conveyingbelt installing groove; a plurality of board anti-sliding strips are arranged on the surface of the conveying belt at equal intervals; a plurality of left half cylinders and right half cylinders aredisposed on the opposite inner walls of the conveying belt installing groove correspondingly; ash scraping apparatuses are symmetrically disposed on the two side walls of the opening of one end of thedust removing box; and each ash scraping apparatus comprises an ash scraping base. The double-sided dust removing device has the advantages that dust and chippings on the surfaces of the boards can be effectively cleared and collected.

The invention provides a method for generating a dendritic crystal pattern on surface of a Cu/Ti film. The method comprises the following steps of: preparing a Cu/Ti/Si film on a Si (100) substrate by employing a magnetron sputtering method; rapidly annealing a sample in an argon atmosphere by employing rapid heat treatment equipment at the annealing temperature of 600 DEG C, carrying out heat preservation for a certain time, and performing furnace cooling, thereby obtaining the dendritic crystal pattern.

The invention relates to the technical field of massage equipment, in particular to a roller massage machine core which comprises a support and a movable massage part arranged on the support, the support is provided with a pair of guide rail assemblies arranged left and right in a spaced mode, and the movable massage part is located between the pair of guide rail assemblies. The movable massage part comprises a main seat, a power unit arranged on the main seat and driving the main seat to do lifting motion along the pair of guide rail assemblies; and a massage rolling body is rotationally connected to the main seat and rolling on a human body during massage. During massaging, a driving rolling body is driven by the power unit to rotate so as to drive the whole movable massage part to movealong the portion needing to-be-massaged of the human body, a driven rolling body rolls on the portion needing to-be-massaged of the human body, and the massage protrusions on the peripheral walls ofthe driving rolling body and the driven rolling body repeatedly extrude the portion needing to-be-massaged of the human body to achieve the lifting rolling massage function.

The invention relates to a method for characterizing one of two objects limited parking space for a motor vehicle, wherein by means of a sensor device of the motor vehicle contour points of the objects during a passing of the motor vehicle at the parking space are detected and based on the contour points an orientation of the parking space relative to the motor vehicle is determined, wherein in afirst of the objects first contour points on one of the parking space and facing along a depth direction of the parking space extending inside and / or on one of the parking space facing away and along the depth direction of the parking space extending outer side are detected and based on the first contour points a first contour line is determined in a second of the objects second contour points on one of the parking space facing away and along the Ti Efenrichtung of the parking space extending outside and / or on one of the parking space facing and along the depth direction of the parking space extending inside are detected and based on the second contour points a second contour line is determined and based on an orientation of the first contour line and the second contour line, the orientation of the parking space is determined. The invention also relates to a parking assistance system and a motor vehicle.

A system (1) for controlling a charging process of a vehicle (3). A control device (4) that is designed for the purpose of verifying, based on theft information (6), whether the vehicle has been reported as stolen and to control a charging process (3) of the vehicle in dependence on this verification. The vehicle itself includes the control device (4). Furthermore, a vehicle (3) having such a control device (4) as well as a method for controlling a charging process of a vehicle (3) is provided.

The invention relates to a resistor element suction device of a chip mounter and the chip mounter and relates to the technology for attaching resistor elements to a printed circuit board. The resistor element suction device of the chip mounter comprises at least one suction nozzle disc which is of a strip shape. Multiple suction nozzles are installed on each suction nozzle disc so as to suck multiple resistor elements and the suction nozzles are arranged in a row in the length direction of each suction nozzle disc. The resistor element suction device is further provided with synchronous belts and rotating gears, wherein the suction nozzles are rotated by a certain angle through the synchronous belts and the rotating gears. The rotating gears correspond to the suction nozzles one to one and are fixedly arranged on the corresponding suction nozzles. The synchronous belts correspond to the suction nozzle discs one to one. Each rotating gear is meshed with the corresponding synchronous belt. The moving direction of each synchronous belt is parallel to the length direction of the corresponding suction nozzle disc. The resistor element suction device is suitable for sucking the resistor elements and has the resistor element suction function and the resistor direction adjusting function, resistor element suction operation and resistor direction adjusting operation are completed, the work efficiency is high, and capacity is large.