152results about How to "Reduce or avoid damage" patented technology

The present invention relates to systems, materials and methods for the formation of conducting, semiconducting, and dielectric layers, structures and devices from suspensions of nanoparticles. Drop-on-demand systems are used in some embodiments to fabricate various electronic structures including conductors, capacitors, FETs. Selective laser ablation is used in some embodiments to pattern more precisely the circuit elements and to form small channel devices.

A process for grinding edible seeds, such as grain and / or pulses, in a single unit operation in a continuous, short-duration controlled-temperature manner. Grinding may be effected without the need for moving mechanical parts. The granulated product obtained from the grinding treatment is stable to lipid oxidation. It also may be used in preparing instant whole grain food products.

A threshing and separating device comprises a first threshing and separating mechanism, a second threshing and separating mechanism, and an intermediate feeding mechanism therebetween. The first threshing and separating mechanism comprises a first cylinder in a form of a toothed rod and a first concave in a form of a wire-grate, and a surface of the first concave facing the first cylinder is provided with no part protruding into a tip circle of threshing teeth of the first cylinder; the second threshing and separating mechanism comprises a second cylinder in a form of a toothed rod and a second concave in a form of a wire-grate, and a surface of the second concave facing the second cylinder is provided with no part protruding into a tip circle of threshing teeth of the second cylinder; the second cylinder comprises a forced feeding portion located at front end thereof and comprising a truncated cone and helical blades on the truncated cone; and a toothed-rod cylinder portion located behind the forced feeding portion and comprising a plurality of second rods parallel to the rotation axis of the second cylinder and uniformly arranged in a circumferential direction thereof, and each second rod is provided with a plurality of second threshing teeth.

The invention provides a pelvic floor repairing sheet. The repairing sheet comprises a fiber membrane, wherein the fiber membrane at least comprises a first fiber layer with directed orientation and a second fiber layer without orientation. The pelvic floor repairing sheet has excellent biocompatibility, excellent softness and excellent tissue compliance, is beneficial to tissue penetration to form firm repairing, and further has the properties of anti-infection and hemostasis. The pelvic floor repairing sheet can be used for manufacturing a tension-free vaginal tape for treating stress incontinence.

An overforce mechanism comprising a driving assembly, a driven assembly, and a variably engageable coupling, shunts or dampens a motion of a control cylinder for a hydraulic device when that motion exceeds a predefined, unsafe threshold. The overforce mechanism avoids or reduces damage either to the device itself, to ancillary devices and / or to the patient. In an aspect, the variably engageable coupling may include a biasing mechanism and a coupling member, wherein the biasing mechanism automatically resets or releases upon reaching a force or tension threshold. Further, the overforce driven assembly may include an overforce rod that allows the force or motion to be channeled away from the source. The variably engageable coupling may comprise a dowel and spring mechanism that automatically resets with tension.

An image sensor is disclosed, in which a light shielding layer is positioned in a circumference of a microlens array, and the light shielding layer has a thickness greater than that of the microlens array, to prevent a contaminant blocking sealing tape from directly contacting the microlens array and support the sealing tape, thereby avoiding damage to the microlens array when pressure is applied to press the sealing tape and / or polish a back surface of a semiconductor substrate. If such damage is prevented, the light converging function of the microlens array may be optimized, and the quality of the image reproduced by the image sensor can also be improved, substantially.

The invention relates to the field of medical instruments, in particular to a cutting balloon catheter and a cutting balloon catheter system. The cutting balloon catheter comprises a balloon catheter body, a cutting assembly and a transmission part, the balloon catheter body comprises a balloon body, the cutting assembly is arranged on the balloon catheter body in a sleeving mode, the cutting assembly is provided with at least one cutting unit used for cutting diseased tissue, the cutting units surround the peripheral face of the balloon body in a rotatable mode, the transmission part is connected with the far end of the cutting assembly, at least one metal sheet is arranged on the transmission part and can attract and be fixed to an magnetic unit under the action of the magnetic unit, and rotation of the magnetic unit drives the cutting assembly to rotate so as to directionally cut the diseased tissue. According to the cutting balloon catheter, the task of cutting the diseased tissue can be effectively completed, the balloon catheter body does not need to be rotated in the positioning process of the cutting units, scratching to blood vessels of a patient is reduced or avoided, unnecessary damage to the patient is reduced, and the treatment effect is improved.

Embodiments of the present invention disclose a flexible display panel. The flexible display panel at least comprises an display area, a fanout area and a driver circuit area, wherein the fanout area is positioned between the display area and the driver circuit area to connect the display area with the driver circuit area, and the fanout area comprises at least one zig-zag fanout wire, each of which comprises a plurality of fanout wire segments divided by bending points. In the technical solutions of the present invention, by utilizing a zig-zag wiring manner, damage to metal wires when bending is reduced, bending resistance of the fanout area is improved and damage to the screen when bending the flexible display panel is avoided or reduced.

Methods are provided for decoking the radiant coils in an ethylene cracking plant. The decoking process is controlled by monitoring the coil outlet temperature to control the rate of burning of coke in the radiant coils. Air flow rates, steam flow rates and coil outlet temperatures are controlled during the decoking process to prevent tube damage, minimize decoking time and maximize coke removal.

The invention provides a preparation device and a preparation method of a large-area perovskite solar cell. The device sequentially comprises an FTO scribing P1 module, an electron transport layer coating module, an infrared radiation module, an electron transport layer cooling module, a perovskite precursor solution slit coating module, a perovskite wet film reduced pressure distillation module,a composite optical wave annealing module, a perovskite layer cooling module, a hole transport layer coating module, a hole layer blow-drying module, a mechanical scribing P2 module, an electrode evaporation module and a mechanical scribing P3 module, wherein the perovskite wet film reduced pressure distillation module comprises a cavity, a first transmission door, a second transmission door, a pneumatic piston and multiple groups of parallel booster pump devices; the first transmission door and the second transmission door are arranged on the two sides of the cavity respectively, and are usedfor an FTO glass carrier to pass through; the pneumatic piston is hermetically connected with the cavity; and the multiple groups of parallel booster pump devices communicate with the cavity. According to the preparation device and the preparation method, a wet film can be treated, and the large-scale production of the perovskite solar cell can be realized.

The invention belongs to the technical field of pressure chamber structures, and relates to a decompression chamber, in particular to an aviation-simulated rapid decompression chamber. The aviation-simulated rapid decompression chamber is characterized by comprising a main chamber, wherein the main chamber is connected with an auxiliary chamber by a quick-open chamber door, and is an environmental experiment chamber used for simulating and creating environments in different height and at different temperatures, and the auxiliary chamber is a rapid decompression chamber used for simulating and creating an environment in a cabin or a cockpit. The aviation-simulated rapid decompression chamber is provided with a one-chamber and two-room structure, so that the required pressure and temperature environments are achieved by adjusting pressure and temperature adjustment equipment in the chamber; when rapid decompression is required to be simulated, the quick-open door is controlled by controlling and operating an electric permanent magnet between the two chambers through an electric signal; a course of environment change when the cabin is damaged and a cockpit drops during a high-altitude flight of an airplane is simulated truly; and experimental researches such as various aeromedical researches, equipment experiment testing and the like are carried out during the course, so that the purposes of reducing or avoiding casualties and equipment damages are achieved.

A method and a device for producing a metal strip by continuous casting and rolling, in which a thin slab is initially cast into a casting machine, and is subsequently rolled in at least one rolling train using primary heat from the casting cycle. The cast thin slab is passed between the casting machine and the at least one rolling train and at least one holding oven as well as at least one induction oven. The holding oven and the induction oven are activated or deactivated according to a selected mode of operation, that is, a first mode of operation for the continuous production of the metal strip and a second mode of operation for the discontinuous production of the metal strip.

A voltage regulator having overvoltage protection is described, which is situated in a vehicle electrical system between the generator that is situated in a first voltage level and a battery that is situated in a second voltage level. A generator is used, in this instance, as a generator whose control voltage is freely selectable within specifiable limits. The voltage regulator, which is embodied as an in-phase regulator, makes available a regulated voltage on the output side, which is used for supplying the usual vehicle electrical system users as well as for charging the battery. The in-phase regulator is furnished with an electronics system or an intelligence which includes a microprocessor and which evaluates supplied data with regard to voltages, currents or load breakings and which specifies response criteria, and, upon the reaching of certain response criteria, initiates the measures which then become necessary.

A method is provided for determining a voltage bounding range defining a range of a wind turbine reference voltage for a wind turbine for controlling an output voltage of the wind turbine at a wind turbine output terminal The method includes obtaining information regarding an electrical characteristic of a transmission line connecting the wind turbine output terminal to a point of common coupling to which plural other wind turbines are connectable. The method further includes defining the voltage bounding range based on the electrical characteristic of the transmission line.

The invention discloses an ejector pin device. The ejector pin device comprises an ejector pin and an ejector pin base. The ejector pin is fixed on the ejector pin base. The ejector pin device is characterized in that the ejector pin device further comprises an ejector pin protection device which is detachably connected with the ejector pin base, and the ejector pin protection device is configured to be surrounded around the ejector pin when being connected onto the ejector pin base. The invention also discloses a lower electrode assembly, and assembly and disassembly methods of the lower electrode assembly. According to the invention, the deformation or fracture of the ejector pin due to the collision between an electrostatic chuck and the ejector pin in the assembly and disassembly processes of the lower electrode assembly can be reduced or avoided, so that the assembly and disassembly efficiency can be improved, the damage of the ejector pin and the influence of the damage of the ejector pin on the assembling and debugging of semiconductor machining equipment can be reduced and avoided, the production cost can be reduced, and the production efficiency can be improved.

The invention belongs to the technical field of gearboxes and relates to a gearbox assembly with power high-low gears and a power reversing function for a tractor. The gearbox assembly comprises a box body and a power output shaft, and the box body is sequentially provided with a wet-type clutch, a synchronizer shift gear, an engagement sleeve shift gear and a planetary reducer which are in transmission with one another; according to the wet-type clutch, the power output shaft serves as an input shaft, when an advancing high gear of the wet-type clutch is combined, a high-gear active gear drives a slave gear, and then a low-gear constant engagement gear pair drives the synchronizer shift gear; when an advancing low gear of the wet-type clutch is combined, an engine power flow is directly output to the synchronizer shift gear through a slave gear of the advancing low gear; and when a reverse gear of the wet-type clutch is combined, the engine power flow is transmitted to a slave gear of the reverse gear on the output shaft by an active gear of the reverse gear through an idle gear and then is output to the synchronizer shift gear through an advancing low-gear gear pair. The gearbox assembly has the advantages that the structure is compact, the size is small, gear shifting is easy, and operating is convenient; and the gearbox assembly with the power high-low gears and the power reversing function is suitable for agricultural machinery such as the tractor.

A method (500) and apparatus (50, 60) for lubrication of a gearbox (30) of an aircraft engine comprise provision (502) of oil to the gearbox (30) through a primary oil system (50) driven by a core (11) of the engine (10) in normal conditions; detection (504) of windmilling conditions and / or failure of the primary oil system (50); and in response to the detected condition or failure, activation (506) of an electric pump (61) of an auxiliary oil system (60), to provide oil to the gearbox (30).

A method of removing at least one oxide from a surface of a body of semiconductor material is disclosed, the method comprising: arranging the body in a vacuum chamber; and maintaining a temperature of the body in the vacuum chamber within a predetermined range, or substantially at a predetermined value, while exposing said surface to a flux of indium atoms. Corresponding methods of processing an oxidised surface of a body of semiconductor material to prepare the surface for epitaxial growth of at least one epitaxial layer or film over said surface, and methods of manufacturing a semiconductor device are also disclosed.

Firearms with improved systems and methods of retaining a charging handle within the firearm and charging handles for such firearms. In some embodiments, a spring, a portion or a majority of the latch, or both, are located, for example, within a hollow, inside the body of the charging handle. In certain embodiments, one or two levers on the charging handle can be pulled to release the latch and thereby release the charging handle. The lever(s) and latch are pivotably attached to the body of the charging handle in a number of embodiments. In some embodiments, the charging handle includes a stem and a bezel. The firearm can be a semi-automatic or a fully-automatic rifle, for example.

The invention relates to epoxy asphalt and crushed stone drainage foundation and a paving process thereof. The conventional epoxy asphalt is an irreversible solid product of the solidification of asphalt by adding epoxy resin into the asphalt. Compared with the common ATPB, the epoxy asphalt and crushed stone is 2 to 3 times higher in stability than ATPB and more than 1.5 times higher in fatigue life than ATPB. The epoxy asphalt and crushed stone drainage foundation provided by the invention is a mixture formed by wet-mixing of epoxy resin serving as a bonding material and open-grade crushed stone serving as aggregate. The paving process of the epoxy asphalt and crushed stone drainage foundation comprises: firstly, sweeping the surface of a subbase layer; secondly, uniformly spraying an epoxy asphalt waterproof bonding layer while controlling the spray amount to be 0.4 to 0.6kg / m<2>; and thirdly, paving the epoxy asphalt and crushed stone drainage foundation, forming the epoxy asphalt and crushed stone drainage foundation by rolling till the porosity reaches 18 to 24 percent and constructing a surface layer at the end of an aging period. The epoxy asphalt and crushed stone drainage foundation and the paving process thereof solve the problems of low fatigue durability, low anticorrosion resistance, high construction cost, environmental pollution and the like in the prior art.

The invention provides a mold cleaning and demolding agent spraying integrated machine and a mold cleaning and demolding agent spraying method. The mold cleaning and demolding agent spraying integrated machine comprises a trolley capable of moving, a mold cleaning mechanism, a vibrating mechanism, a demolding agent spraying mechanism and a control mechanism, wherein the mold cleaning mechanism is arranged on the trolley and used for cleaning impurities in a mold; the vibrating mechanism is arranged on the trolley and used for cleaning impurities on the inner surface of the mold in a vibrating manner; the demolding agent spraying mechanism is arranged on the trolley and used for spraying a demolding agent; and the control mechanism is connected with the trolley, the mold cleaning mechanism, the vibrating mechanism and the demolding agent spraying mechanism. According to the mold cleaning and demolding agent spraying integrated machine and the mold cleaning and demolding agent spraying method, a motor is used for driving a rotary device to clean the inner wall of the steel mold, the impurities on grooves and tongues of the steel mold are cleaned through the vibrating mechanism in the vibrating manner, the demolding agent is sprayed automatically through the demolding agent spraying mechanism, and thus the whole mold cleaning and demolding agent spraying work is completed.

The present invention provides a focus ultrasonic wave source including an ultrasonic wave emitting component for emiting the ultrasonic wave and a focusing component for focusing the the emited ultrasonic wave, wherein the emitted ultrasonic wave is transmitted to a focal point in a manner similar to a spherical wave after it is focused by said focusing component, and wherein an angle α included between the two lines connecting two end points of the outer peripheral diameter of said focusing component to the focal point respectively is from 50° to 120°. After tested, it is found that the ultrasonic wave source according to the present invention has a focusing performance substantilly superior to that of the existing ultrasonic wave source with a small aperture angle, and it can cause the focused ultrasonic wave to reach a sufficiently high sound intensity and temperature at the focal point so as to kill the body tissues while avoiding or reducing the damages to other tissue of the human body in the ultrasonic wave transmission path, which greatly reduces the pain felt by the patient in clinical applications and achieves a desired effect.

The invention discloses an apparatus for detecting strip steel edge crack based on a correcting CPC system, and belongs to the technical field of strip steel product defect detection. The apparatus comprises a first emitting end, a first receiving end, a second emitting end, a second receiving end, a signal transmission device and a signal receiving device, wherein the first emitting end and the first receiving end form a first sensor set, and the second emitting end and the second receiving end form a second sensor set. When the signal values that the signal receiving device is received from the first receiving end and the second receiving end changes instantly and greatly during a strip steel rolling process, cracking of the strip steel on the position causing the instant and great change is determined. The apparatus detects edge cracking during a strip steel rolling process, so that workers can timely process detected edge cracking. Damage of equipment due to cracking edge can be minimized or prevented.

The invention discloses a hinge structure which comprises a base, a rotating piece connected with the base in a pivoting manner, and an elastic piece arranged in an air cylinder, wherein the base comprises the air cylinder and a piston which is arranged in the air cylinder and matched with the air cylinder; the air cylinder is provided with a plurality of cushion air holes; the two ends of the elastic piece are connected with a bottom wall of the air cylinder and the piston in a push-against manner respectively; and when the rotating piece pivots relative to the base, the piston is driven by the rotating piece and the elastic piece to make axial motion along the air cylinder.