161results about How to "Large curvature" patented technology

The invention relates to a flexible conductor carrier (5, 5a-b, 6, T) comprising an elongated inserted section (5, 5a-b, 6) intended to be arranged in a lumen (2a-b) in a flexible catheter. The inserted section (5, 5a-b, 6) comprises a flat section (5, 5a-b) and a rolled section (6). The flat section provides higher tolerance to bending than a fully-rolled counterpart. Typically, at least one electrode (4a-b) is fixed around the rolled section (6).

The long nose manipulatable catheter includes a main lumen, a wire lumen with a push-pull wire therethrough, and a flexible joint region. The catheter section includes a control including a handle and a wire control member engaging the push-pull wire for manipulating the flexible joint region. The push-pull wire may be tapered, having a proximal portion of a first diameter and a smaller diameter distal portion. A coil may be placed around the smaller diameter to prevent buckling of the smaller diameter portion. A strapping coil may also disposed around the outside of the catheter, and an outer covering may be disposed around the strapping coil. An outer covering of a mesh may also be disposed around the distal tip of the catheter.

A flexible armor system adaptable to a garment suitable for extremity protection uses planar, polygon-shaped solid elements made of ceramic cores wrapped in high strength fabric and arranged with rotable edge and intersection protection as a flexible mosaic array which is bonded between an elastic strike side spall cover and a high tensile strength flexible backer layer, further supported by a substantial fiber pack. A progressive mode of localized system failure during a ballistic strike includes: a projectile penetrating the spall cover, fracturing the ceramic core of a wrapped SE while being partially deformed; the deformed projectile accelerating the fractured but still wrapped solid element before it so as to free the solid element from the array and drive it through the flexible backer as a combined mass at a reduced velocity into the fiber pack.

A long nose manipulatable catheter is described herein. The catheter generally comprises a flexible joint region defining a main lumen and an adjacent wire lumen. The wire lumen has an opening near or at a distal end of the flexible joint region and a push/pull wire can be pushed or pulled through the wire lumen. The catheter assembly may also comprise at least one radio-opaque marker band for securing the push/pull wire. The joint region has a predetermined length sized to affect a flexure of the joint and is generally located at the distal end of the catheter. The joint region itself may be varied to extend distally from where the braid terminates, or it may extend to encompass a portion of the braid. By varying a length of the joint region, the amount of curvature and flexure of the joint region can be controlled.

A display unit of the present disclosure includes: a first plate-like member including a display device; a second plate-like member including a drive circuit, the drive circuit configured to control the display device; and one or two or more wiring sections having flexibility, the wiring sections configured to connect the first plate-like member and the second plate-like member to each other, in which a curvature of the second plate-like member is larger than 0 and equal to or smaller than a curvature of the first plate-like member.

This invention concerns improvements relating to a deformable-mirror holder for holding a mirror in a desired position, to within accepted tolerances, even whilst the mirror is deforming or in a deformed state. More particularly but not exclusively, this invention relates to a holder for a bimorph mirror. A deformable mirror holder (31) is provided comprising a body with a receiving portion for receiving a deformable mirror (30), and wherein the receiving portion is defined by a passive flexible support structure (41) such that, in use, to the support structure provides a supporting surface to the mirror. This invention extends to a deformable mirror and a deformable mirror holder as described above.

A robot includes an angular velocity sensor installed to a second horizontal arm and for obtaining the angular velocity of the first horizontal arm with respect to a base, and suppresses the vibration of the first horizontal arm by driving a first electric motor based on the angular velocity of the first horizontal arm. In the robot, an electric wire to be connected to a second electric motor incorporated in the second horizontal arm and electric wire to be connected to the angular velocity sensor are laid around through a wiring duct having end portions coupled respectively to the base and the second horizontal arm, disposed outside the first horizontal arm and outside the second horizontal arm, and having a passage leading to the inside of the base and the inside of the second horizontal arm.

The invention discloses a polymer lithium ion battery and a preparation method of a diaphragm of the polymer lithium ion battery. The preparation method comprises the following steps: dissolving P(VDF-HFP) into an organic solvent, and adding inorganic ultra-fine powder into the mixture by adopting an in-situ hydrolysis method so as to prepare a mixed solution of P(VDF-HFP)-TiO2; coating the mixed solution on a polyolefin diaphragm so that the solvent is volatilized and a composite porous membrane is formed on the diaphragm; then assembling positive and negative pole pieces with the diaphragm; injecting liquid electrolyte into an electric core after assembling; and heating and baking the electric core so that the composite porous membrane and the electrolyte form a gel so as to prepare a gel polymer battery. The method has a simple technological process for preparing the polymer battery, low cost and wide application range of a production process; and the manufactured composite porous membrane has the advantages of high liquid absorption rate, high porosity and stable structure, and the battery has good cycling performance and electric conductivity.

The invention relates to a sesaron combing and sorting method and a device; combed ramie stripes with different specifications and lengths are obtained through a plurality of layers of combing; the split degree of the ramie stripes is decided by comb needle models used in all the layers of combing; and the lengths of the ramie stripes are changed by adjusting a pulling vehicle. In a combing and sorting mechanism of the device, circular comb needle strips are lined in a circumference of 0 to 270 degrees respectively through a rack method and a rack and needle row combined method, and top combs are in a single row or a plurality of rows. A pulling separation mechanism comprises the pulling vehicle, the pulling vehicle is arranged on a regulation frame, the regulation frame is provided with a rod and a circular arc-shaped chute, a bolt is inserted into the circular arc-shaped chute, the bolt is fastened on a frame, the bolt is loosened, and the regulation frame can slide along the circular arc-shaped chute by triggering the rod. At least two pairs of curl rollers are arranged in a strip discharge mechanism. The ramie stripe fibers processed by the method and the device are even and uniform, have short fiber rate, uniform fiber length and low ultra-long length fiber content, so that the fibers are more parallel and straighter, the operation is convenient, the efficiency is high, and the labor intensity is low.

The invention discloses a method for preparing a gel polymer lithium ion battery, which comprises the following steps: dissolving P(VDF-HFP) into an organic solvent, and adding inorganic ultra-fine powder into the mixture by adopting an in-situ hydrolysis method so as to prepare a mixed solution of P(VDF-HFP)-TiO2; coating the mixed solution on positive and negative pole pieces of the battery so that the solvent is volatilized, and composite porous membranes are formed on the positive and negative pole pieces; assembling the pole pieces containing the composite porous membranes with a diaphragm; injecting liquid electrolyte into an electric core after assembling; and heating and baking the electric core so that the composite porous membranes and the electrolyte form a gel so as to preparea gel polymer battery. The method has a simple technological process for preparing the polymer battery, low cost and wide application range of a production process; and the manufactured composite porous membranes have the advantages of high liquid absorption rate, high porosity and stable structure, and the battery has good cycling performance and electric conductivity.

An image forming apparatus includes a transfer belt unit which has an intermediate transfer belt for supporting toner images and primary transfer rollers for pressing the intermediate transfer belt against corresponding photoreceptor drums and moves the intermediate transfer belt along the surface of each photoreceptor drum to transfer the toner images to the intermediate transfer belt. The intermediate transfer belt is formed so as to be 30 μm to 50 μm in average thickness, each primary transfer roller is arranged at a position, along the moving direction of the intermediate transfer belt, which is deviated downstream with respect to the moving direction from the position where the intermediate transfer belt is in contact with the photoreceptor and which is projected toward the photoreceptor drum side so as to press the intermediate transfer belt against photoreceptor with a nip pressure ranging from 10 gf/cm² to 40 gf/cm².

The invention provides a flexible straight-down type backlight source and a display device. The flexible straight-down type backlight source comprises a graphene cooling coating, a flexible circuit board, a mini light emitting diode, a bubble glue layer, an optical film layer and a flexible liquid crystal display in sequence. Through setting the bubble glue layer with micro bubbles between the optical film and the mini light emitting diode, the light emitted by the mini light emitting diode can be reflected when passing through the bubble glue layer, so that the light emitted by the mini lightemitting diode can be effectively dispersed to reduce the thickness of the bubble glue layer, the thermal insulation characteristic of the glue layer can be enhanced to increase the thermal resistance, reduce the heat transferred from backlight to the liquid crystal display, reduce the temperature of the liquid crystal display, improve the viscosity of a liquid crystal material and decrease lightleak, and the flexibility of the backlight source can be enhanced to well counteract a part of material deformation amount caused by material bending due to good contractibility of the bubbles undera bent state and enable the backlight source to satisfy larger bending curvature.

An electronic device includes a first lead, a second lead, a touch sensitive display panel including a screen area and an extended area that extends from the screen area, and a control circuit. The touch sensitive display panel includes a flexible substrate, a thin film transistor (TFT) layer including a plurality of light-emitting elements, an insulation layer in which a via-hole is formed, and a touch sensor. The first lead is formed on the TFT layer in the screen area and the extended area and connects the control circuit and the plurality of light-emitting elements. The second lead is formed on the insulation layer in the screen area and on the TFT layer in the extended area, and extends from the screen area to the extended area through the via-hole formed in the insulation layer and connects the control circuit and the touch sensor.

The invention provides a pipe type air-air heat exchanger in an annular channel. The pipe type air-air heat exchanger is low in flow resistance, high in heat exchange and good in pressure resistance. The pipe type air-air heat exchanger comprises a plurality of heat exchange units which are evenly arranged in the circumferential direction of the annular channel. Cold air flow moves axially in the annular channel. Each heat exchange unit comprises a hot air flow flowing-out air collecting pipe, a hot air flow flowing-in air collecting pipe and a plurality of heat exchange pipes, wherein the hot air flow flowing-out air collecting pipe and the hot air flow flowing-in air collecting pipe are arranged in the flowing direction of the cold air flow, and the two ends of the heat exchange pipes are communicated with the hot air flow flowing-out air collecting pipe and the hot air flow flowing-in air collecting pipe. The heat exchange pipes are sequentially arranged and distributed into a heat exchange pipe bundle in the flowing direction of the cold air flow. Outlets of the hot air flow flowing-out air collecting pipes and inlets of the hot air flow flowing-in air collecting pipes are located at the same ends of the heat exchange units and arranged to penetrate the inner wall or the outer wall of the annular channel, and the other ends of the heat exchange units are free ends. The heat exchange pipes are assembled into the heat exchange bundle, and the number of hot flow body flow channels is increased through the hot air flow flowing-out air collecting pipes and the hot air flow flowing-in air collecting pipes arranged at the two ends; and pipe internal flow resistance is greatly reduced, and the resistance loss of air collecting components is small.

The invention provides a plant point cloud blade segmentation and phenotypic characteristic measurement method, comprising the steps: firstly, performing accurate point cloud three-dimensional reconstruction on potted plants by using a multi-view stereoscopic vision algorithm; secondly, removing non-blade parts in the plant point cloud by using a region and color-based filter and a normal vector difference algorithm; and then realizing single-blade segmentation on the canopy with the blade overlapping phenomenon by means of curvature information and a multi-feature region growth algorithm. Foreach single blade, a 3D bounding box of the blade is estimated by utilizing PCA, and the blade inclination angle can be calculated as an included angle between the height direction of the bounding box and the Z axis of a crop coordinate system, and the blade length and the blade width are the length and the width of the bounding box. The plant point cloud blade segmentation and phenotypic characteristic measurement method can realize automatic blade segmentation of potted plants with overlapped and clustered blades, has high precision and real-time performance for extracting phenotypic information such as blade area, blade length, blade width, blade inclination angle and the like, and is suitable for high-throughput blade phenotypic analysis.

The invention discloses colorful dried noodles, in particular mulberry leaf dried noodles which are prepared by adding ultra-micro mulberry leaf powder, vitamin antioxidant and other functional nutrient components. The ultra-micro mulberry leaf powder with the fineness of over 300 meshes is uniformly dispersed so that the color of the mulberry leaf dried noodles is uniform and level. Vitamin type nutrient antioxidant sodium erythorbate is added so that light green color of the mulberry leaf dried noodles is constantly invariable. The high-grade wheat germ flour is adopted and can provide richer protein for the mulberry leaf dried noodles. Sodium alga acid is added in the formula so that the adhesiveness of the mulberry leaf dried noodle tissue can be improved, the mulberry leaf dried noodles have strong tension, high flexibility and chewier mouthfeel and the end breakage rate in the production process is lower, and more obvious effect can be achieved on flour with lower gluten content. The mulberry leaf dried noodles provide multiple nutrient components and health care functions, keep constantly invariable bright color and fresher taste simultaneously and promote the appetite of consumers.

An optical element includes plural multilayer mirrors, wherein the multilayer mirrors are renewable.

A windscreen wiper device, particularly for automobiles, comprising an elastic, elongated carrier element, as well as an elongated wiper blade of a flexible material, which can be placed in abutment with a windscreen to be wiped, which wiper blade is of the flat blade type and includes at least one groove, in which groove a longitudinal strip of the carrier element is disposed, wherein said windscreen wiper device further comprises a mounting head for transferring a reciprocal movement to said wiper blade, wherein said windscreen wiper device further comprises a connecting device for detachably connecting said wiper blade directly to said mounting head, wherein said connecting device is positioned near one end of said wiper blade, with the special feature that said connecting device is provided with a spacer for maintaining a predetermined distance between said connecting device and said windscreen to be wiped.

The invention discloses a convenient instant fresh noodle and a preparation method thereof, and relates to the field of food processing. The convenient instant fresh wet noodle is mainly composed of high-gluten wheat flour, modified starch, vital gluten and salt. The addition of additives reduces indicator degradation of color, texture and microorganisms during storage. The noodle adopts an extrusion molding curing process to ensure long shelf life by pickling, modified atmosphere packaging and irradiation sterilization.

The invention relates to a pneumatic design method for an ultrahigh-load, ultralow-rotating-speed and large-bypass-ratio fan rotor, and belongs to the technical field of impeller machinery. The pneumatic design method includes the steps that firstly, key design parameters are determined through S2 through-flow analysis according to flow and the overall pressure ratio, and the load coefficient is selected between 0.7 and 1.0; secondly, a plurality of S1 stream surface two-dimensional blade forms (7) are designed according to the inlet and outlet parameter distribution, determined according to S2 through-flow analysis, of the rotor; thirdly, the two-dimensional blade forms designed in the second step are stacked in the radial direction to form three-dimensional blades (11), and the fan rotor (12) is formed according to the number of selected blades; and fourthly, the performance curve of a fan is obtained by conducting three-dimensional flow field simulation of the fan rotor (12) through computer simulation or conducting performance tests through experiments, whether design reaches the standard and meets the requirement or not is tested, and improved design is conducted. By means of the pneumatic design method for the ultrahigh-load, ultralow-rotating-speed and large-bypass-ratio fan rotor, on the premise of ensuring the pneumatic performance of the fan, noise and the weight of the fan are effectively reduced.

The invention discloses an establishment method for an internal pressure distribution model of a 90-degree curved pipe for crude oil transmission. According to the establishment method for the internal pressure distribution model of the 90-degree curved pipe for crude oil transmission, an internal pressure uneven distribution model of the curved pipe is built, and uneven pressure formed on the wall surface of the curved pipe and complicated change situation of the curved pipe can be correctly calculated and analyzed when crude oil passing through the curved pipe. The uneven pressure calculation and analysis model provided by the invention is formed by combining elementary functions, the establishment method is simple and intuitive, is few in undetermined coefficient and has relatively high calculation accuracy; when comparing a calculation value with a FLUENT discrete analog value, the maximum relative error Epsilon<max> is less than or equal to 0.004%; and a theoretical basis is provided for safety performance evaluation of a pipeline and the wall thickness design of the curved pipe during the transmission process of the pipeline, thus, the structural design of the curved pipe is promoted, and the running safety of a crude oil pipeline is improved.